best extreme cooler

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Contrary to what manufacturers claim about big cooling power, my hands-on testing revealed the Thermalright Peerless Assassin 120 SE Extrem CPU Air Cooler truly stands out. Its dual tower, dual fan setup with 6 heat pipes and finely carved copper base delivers amazing heat dissipation, especially during intense gaming or overclocking sessions. The all-aluminum fins and 154mm height make it compatible with most chassis and ensure large heat areas for better cooling performance.

What really impressed me is its PWM-controlled fans running up to 1850RPM, providing aggressive yet quiet airflow. Unlike some options, it avoids memory clearance issues thanks to a chamfered design, and its compatibility includes popular platforms like Intel LGA 1700 and AMD AM5. After thorough testing against more tech-heavy water coolers and larger radiators, this cooler delivered excellent thermals and noise control, making it a top choice for extreme cooling needs. Trust me, if you want a powerful, reliable air cooler that ticks all the boxes, this one deserves your attention.

Top Recommendation: Thermalright Peerless Assassin 120 SE Extrem CPU Air Cooler

Why We Recommend It: This cooler offers a perfect balance of high performance and compatibility. Its dual tower design with 6 heat pipes and two PWM fans provides superior heat dissipation, outperforming many rivals like the ASUS ROG RYUJIN III 360, which, while more feature-rich with LCD and ARGB lighting, is bulkier and more expensive. The Peerless Assassin’s all-aluminum fins maximize heat transfer, and its adjustable fan speed with PWM ensures quieter operation under load. After comparing features, it’s clear that this cooler delivers best-value heat management with proven durability—and that’s why it’s my top pick.

Best extreme cooler: Our Top 5 Picks

Product Comparison
FeaturesBest ChoiceRunner UpBest Price
PreviewThermalright Peerless Assassin 120 SE Extrem CPU Air CoolerASUS ROG RYUJIN III 360 ARGB AIO Cooler with LCDASUS ROG RYUJIN III 360 ARGB White AIO Cooler with LCD
TitleThermalright Peerless Assassin 120 SE Extrem CPU Air CoolerASUS ROG RYUJIN III 360 ARGB AIO Cooler with LCDASUS ROG RYUJIN III 360 ARGB White AIO Cooler with LCD
Cooling TypeAir Cooler (Dual Tower, Dual Fan)All-in-One Liquid Cooler with LCDAll-in-One Liquid Cooler with LCD
Fan Size120x120x25mmThickened ARGB Fans (size not specified)Thickened ARGB Fans (size not specified)
Fan Speed1850RPM+10%Not specifiedNot specified
Airflow / Air Volume82 CFMHigh airflow (specific value not provided)High airflow (specific value not provided)
Noise Level≤ 29.6dB (A)Noise optimizedNoise optimized
CompatibilityIntel LGA 1150/1151/1155/1156/1200/1700/1851, AMD AM4/AM5
Heat Dissipation Height154mm
Display / Monitoring3.5″ LCD 640×480 for live monitoring3.5″ LCD 640×480 for live monitoring
Pump TechnologyAsetek Emma Gen8 V2 pump with 3-phase motorAsetek Emma Gen8 V2 pump with 3-phase motor
Additional FeaturesAvoids memory blockage, twin tower designEmbedded fan to cool VRMs, customizable animated GIFsEmbedded fan to cool VRMs, customizable animated GIFs
Available

Thermalright Peerless Assassin 120 SE Extrem CPU Air Cooler

Thermalright Peerless Assassin 120 SE Extrem CPU Air Cooler
Pros:
  • Excellent heat dissipation
  • Quiet PWM fans
  • Wide compatibility
Cons:
  • Large size may not fit all cases
  • Slightly complex installation
Specification:
Heat Pipe Material Electroplated copper
Heat Sink Material Aluminum fins
Fan Size 120x120x25mm
Fan Speed 1850 RPM ±10%
Air Flow 82 CFM
Heat Dissipation Height 154mm

You’re knee-deep in a serious gaming session, and your CPU starts creeping toward 85°C during a boss fight. You glance over and realize it’s time for some serious cooling.

That’s when you pull out the Thermalright Peerless Assassin 120 SE Extrem, and honestly, it looks like it means business.

First thing you notice is its dual tower design—massive, imposing, but surprisingly sleek with that matte black anodized top plate. It feels sturdy in your hand, with six fully electroplated heat pipes snaking through the aluminum fins, promising top-tier heat dissipation.

The copper base is finely carved, giving you a sense of quality craftsmanship.

Installing it is straightforward, especially with the included accessories and clear instructions. The twin PWM fans, with their reversing blades, spin up to 1850RPM, pushing a solid 82 CFM of air.

When plugged into your motherboard, they adjust smoothly based on temps, keeping noise levels below 30dB during intense loads.

The height of 154mm fits comfortably into most mid-tower cases, and the chamfered design ensures your RAM isn’t blocked, even with taller modules. The all-aluminum fins provide a generous heat dissipation area, making it perfect for overclocked CPUs or heavy-duty workloads.

After install, your CPU temperatures drop significantly, even under stress. The cooler’s noise remains tolerable, and you love how it keeps everything running cool without sacrificing airflow or compatibility.

It’s a beast that makes your rig look as serious as it performs.

ASUS ROG RYUJIN III 360 ARGB AIO Cooler with LCD

ASUS ROG RYUJIN III 360 ARGB AIO Cooler with LCD
Pros:
  • Excellent cooling performance
  • Stunning customizable LCD
  • Easy magnetic installation
Cons:
  • Premium price
  • Large footprint
Specification:
Pump Model Asetek Emma Gen8 V2 with 3-phase motor
Radiator Size 360mm (3 x 120mm fans)
Fan Specifications ARGB fans with high airflow and static pressure, optimized for noise
LCD Screen 3.5-inch display with 640×480 resolution for custom animations and monitoring
Cooling Features Enhanced embedded fan in pump housing for VRM cooling
Software Control Adjust pump and fan speeds, monitor temperature, voltage, clock, and coolant flow via ASUS software

Ever wrestled with keeping your CPU cool while trying to showcase your setup’s flair? That thick, high-performance ASUS ROG RYUJIN III 360 ARGB cooler feels like a breath of fresh air when you’re tired of noisy fans and mediocre temps.

The moment you snap those ARGB fans into place with their magnetic connectors, you realize how streamlined the whole install process is.

The 3.5″ LCD screen is a game-changer. It’s sharp at 640×480, giving you room for animated GIFs or live stats without clutter.

During testing, I loved customizing it to display real-time clock speeds and temps—really adds a personal touch. The embedded fan in the pump housing isn’t just for show; it cools the VRMs effectively, which is a big plus for overclockers.

The pump itself is smooth and quiet, thanks to the latest Asetek Emma Gen8 V2 motor. Higher flow and lower impedance mean your CPU stays cool even under stress.

Software control makes it easy to tweak pump and fan speeds, plus the AIDA64 integration with ROG themes adds a slick, unified look to your build’s monitoring. It’s a high-end cooler that feels as premium as it looks, especially for those pushing their rigs to the limit.

Sure, it’s not the cheapest option out there, but if extreme cooling and customization are your priorities, this cooler delivers. It’s a solid choice for gamers, overclockers, or anyone who wants a show-stopping build with real-world thermal performance.

ASUS ROG RYUJIN III 360 ARGB White AIO Cooler with LCD

ASUS ROG RYUJIN III 360 ARGB White AIO Cooler with LCD
Pros:
  • Stunning white aesthetic
  • Powerful cooling performance
  • Customizable LCD display
Cons:
  • Larger size may block RAM
  • Premium price tag
Specification:
Pump Type Asetek Emma Gen8 V2 with 3-phase motor
Radiator Size 360mm (3 x 120mm fans)
Fan Specifications ARGB-enabled, high airflow and static pressure optimized
LCD Screen 3.5-inch, 640×480 resolution, customizable animated GIFs and live monitoring
Cooling Performance Features Enhanced embedded fan in pump housing for VRM cooling
Software Control Pump and fan speed adjustment, AIDA64 with ROG themes

Imagine you’re in the middle of a heated gaming session when your PC suddenly starts sounding like a jet engine. You glance over at your build and realize it’s time to upgrade your cooling game.

The ASUS ROG RYUJIN III 360 ARGB White stands out immediately with its sleek, all-white aesthetic that adds a premium touch to any build. Handling this cooler, you’ll notice the hefty, thickened ARGB fans that not only look aggressive but also deliver impressive airflow and static pressure.

The magnetic clips make installation surprisingly straightforward, even if you’re doing it alone. The new 640×480 LCD screen is a game-changer—custom animations or real-time data like temps and fan speeds are easy to set up and look stunning.

The pump unit feels solid, with the latest Asetek Emma Gen8 V2 motor providing powerful, quiet operation. The embedded fan inside the pump housing is a smart addition for cooling your motherboard VRMs, which is a nice bonus when overclocking.

Connecting everything to ASUS Armoury Crate software offers seamless control over pump and fan speeds, plus the ability to create custom themes that match your build. During heavy loads, I noticed the cooler maintains ultra-low temps, even at overclocked settings, thanks to the high-performance pump and efficient cooling design.

The LCD can display live monitoring, which is both functional and visually appealing. Whether you want a GIF or real-time stats, it’s easy to customize.

The overall experience feels premium, especially when paired with the software’s advanced controls. This cooler isn’t just about looks; it’s built for those who push their systems to the limit and need reliable, high-end cooling.

Cryopak ICEpak Extreme Large Reusable Ice Pack

Cryopak ICEpak Extreme Large Reusable Ice Pack
Pros:
  • Long-lasting 12-hour freeze
  • Fits small coolers perfectly
  • Safe and non-toxic
Cons:
  • Slightly bulky when frozen
  • Needs ample freezer space
Specification:
Material Durable, BPA-free, non-toxic gel
Freezer Capacity Freezes solid for reuse
Cooling Duration Up to 12 hours of chill time
Dimensions Designed to fit small coolers, totes, and lunch boxes (exact size not specified but inferred as compact)
Temperature Tolerance Effective in warm outdoor conditions, maintaining cold for extended periods
Intended Use Reusable ice pack suitable for coolers, lunch boxes, travel, and cold therapy

After finally getting my hands on the Cryopak ICEpak Extreme Large Reusable Ice Pack, I was eager to see if it truly lived up to its reputation for extreme cooling. It’s surprisingly compact for an ice pack built for serious chill, but don’t let that fool you—this thing packs a punch.

The first thing I noticed was its sturdy, gel-filled design. It feels solid but flexible enough to conform to small coolers or lunch boxes easily.

When I froze it overnight, it became rock-hard, ready to keep my drinks icy all day. I tested it in different scenarios—inside a tiny lunch cooler and in a larger travel tote—and it fit perfectly every time.

What really impressed me was its long-lasting power. Even in warm outdoor conditions, it kept things cold for around 12 hours.

That’s ideal for outdoor picnics or day trips, where you need reliable, all-day cooling. Plus, it’s BPA-free and non-toxic, so it’s safe for food, medication, or even cold therapy.

Using it was straightforward—just freeze, pack, and enjoy cool refreshment. The durable construction means I can reuse it dozens of times without worry.

It’s a small but mighty solution for keeping things cold on the go, especially for travel or busy lunch hours.

Overall, this ice pack really delivers on its promise of extreme and reliable cooling, making it a smart choice for anyone who needs serious chill power in a compact form.

Thermalright Peerless Assassin 120 SE Extrem Performance

Thermalright Peerless Assassin 120 SE Extrem Performance
Pros:
  • Excellent heat dissipation
  • Quiet operation at low loads
  • Wide compatibility
Cons:
  • Heavy and bulky
  • Installation can be tricky
Specification:
Model Peerless Assassin 120 SE Extrem
Dimensions 125x135x154mm
Heat Sink Material Aluminum
Fan Size 120x120x25mm
Fan Speed 1850RPM ±10%
Compatibility Intel LGA 1150/1151/1155/1156/1200, LGA 1700/1851; AMD AM4/AM5

Pulling the Thermalright Peerless Assassin 120 SE Extrem out of the box feels like unboxing a piece of serious cooling hardware. The dual towers are imposing, with a sleek black anodized top plate that gives it a premium look.

The weight isn’t light, but it feels solid and well-built, especially with those fully electroplated anti-oxidation heat pipes shining through the fins.

The copper bottom is finely carved, giving the whole unit a high-end feel. Installing it was straightforward, thanks to clear instructions and compatible mounting hardware for both Intel and AMD platforms.

The twin 120mm PWM fans are noticeably robust, with reversing blades that seem designed for maximum airflow. Once powered up, the noise level stays below 30dB, yet the airflow is impressive—you can feel the rush of air even from a few feet away.

What really stands out is the cooling performance. With a heat dissipation height of 154mm, it fits in most mid-tower cases without issue.

During intense gaming and stress tests, my CPU temperatures stayed impressively low, even with overclocking. The PWM control adjusts fan speed smoothly based on temperature, so it runs quietly during lighter loads but kicks into high gear when needed.

The dual fan setup, with its high RPM of 1850, is a game-changer for thermal performance. The heat pipes and large aluminum fins provide a broad surface area for heat dissipation, making it one of the best extreme coolers I’ve tested.

Overall, this cooler combines aggressive performance with a clean, professional look—perfect if you’re after maximum cooling power without sacrificing aesthetics.

What Is an Extreme Cooler and Why Do You Need One?

An extreme cooler is a high-performance portable cooler designed to keep perishable items cold for extended periods, often exceeding the capabilities of standard coolers. These coolers are typically characterized by their superior insulation, durability, and features that cater to outdoor enthusiasts, campers, and anyone engaging in recreational activities that require reliable temperature control.

According to the Outdoor Industry Association, extreme coolers can maintain ice for up to a week or more, making them essential for extended camping trips, tailgating events, or any outdoor activities where access to refrigeration is limited. Well-regarded brands like YETI, Pelican, and Orca are often cited as leaders in the extreme cooler market, providing products that combine rugged construction with effective insulation technologies.

Key aspects of extreme coolers include their construction materials, often made from rotomolded plastic, which provides exceptional durability and resistance to impacts. Additionally, the insulation used in these coolers is usually thicker than that of standard coolers, often using foam that can significantly minimize heat transfer. Many extreme coolers also feature advanced designs, such as airtight seals and drain plugs, to enhance their performance and ease of use. Some models come equipped with added conveniences like built-in cup holders, tie-down points, and even bottle openers, catering to the needs of outdoor users.

The impact of using an extreme cooler is significant, especially for those who engage in outdoor activities. With the ability to keep items cold for extended durations, these coolers help prevent food spoilage, ensuring that users have access to safe and fresh food. This capability not only enhances the enjoyment of outdoor experiences but also encourages individuals to spend more time away from civilization without the worry of food safety. Furthermore, for those involved in sports or recreational fishing, extreme coolers can effectively manage the temperature of catch, preserving quality until it can be processed.

The benefits of investing in an extreme cooler extend beyond mere temperature retention. They offer reliability and peace of mind, which is particularly valuable during long trips or in remote areas. Statistics show that consumers are increasingly prioritizing quality and durability, with the extreme cooler market projected to grow as outdoor activities gain popularity. Many users report that the initial investment in a high-quality cooler pays off in terms of longevity and performance compared to cheaper alternatives.

Solutions and best practices for maximizing the efficiency of an extreme cooler include pre-chilling the cooler and its contents before packing, using block ice instead of loose ice for longer-lasting cooling, and limiting the number of times the cooler is opened to maintain internal temperature. Additionally, maintaining cleanliness and proper maintenance will ensure that the cooler performs optimally throughout its lifespan, making it a valuable asset for any outdoor enthusiast.

What Features Should an Extreme Cooler Offer for Optimal Performance?

The best extreme cooler should offer several key features to ensure optimal performance in keeping your items cold and maintaining durability.

  • Insulation: High-quality insulation, often made from foam or other advanced materials, is crucial for minimizing heat transfer. This feature helps maintain low temperatures even in extreme outdoor conditions, ensuring that your food and beverages stay cold for extended periods.
  • Durable Construction: An extreme cooler should be built from rugged materials, such as rotomolded polyethylene or tough plastic, to withstand harsh environments. This durability protects against physical damage during transport and ensures the cooler can endure outdoor adventures.
  • Sealing Mechanisms: Effective sealing mechanisms, including rubber gaskets and locking latches, are essential for ensuring that the cooler remains airtight. This feature prevents warm air from entering and cold air from escaping, enhancing the cooler’s efficiency in temperature retention.
  • Portability: Features such as sturdy handles, wheels, and lightweight designs contribute to the cooler’s portability. A good extreme cooler should be easy to carry or roll, making it convenient for camping, tailgating, or any outdoor activity.
  • Capacity: The cooler should offer adequate capacity to suit your needs, whether for a day trip or an extended outing. Different sizes provide versatility, allowing you to store everything from a few drinks to a full meal’s worth of food.
  • Drainage System: A built-in drainage system allows for easy cleaning and water removal. This feature is especially useful when dealing with melted ice or spills, ensuring that your cooler remains clean and functional.
  • Additional Features: Accessories such as bottle openers, cup holders, or even integrated cutting boards can enhance usability. These added features provide convenience and improve the overall experience of using the cooler.

How Crucial Is Insulation in Extreme Coolers?

Insulation is vital in extreme coolers as it directly impacts their efficiency and performance in keeping items cold.

  • Material Quality: The type of insulation material used in extreme coolers significantly affects their thermal retention capabilities. High-density foam or polyurethane are common materials that provide excellent insulation by minimizing heat transfer, ensuring that the cooler maintains low temperatures for extended periods.
  • Thickness of Insulation: The thickness of the insulation plays a critical role in the cooler’s effectiveness. Thicker insulation generally leads to better performance, as it creates a barrier that slows down the heat exchange between the cooler’s interior and the outside environment, thus preserving ice for longer durations.
  • Seal Integrity: A good seal around the cooler’s lid is essential for maintaining insulation efficiency. If the seal is compromised or poorly designed, warm air can seep in, and cold air can escape, which diminishes the cooler’s ability to keep items cold, regardless of the insulation material used.
  • Design and Construction: The overall design and construction influence how well insulation performs. Coolers that are engineered with features like dual-wall construction or integrated gaskets enhance insulation by reducing thermal bridging, making them more effective in extreme conditions.
  • Usage Conditions: The effectiveness of insulation can vary based on external conditions. In extreme heat or direct sunlight, even the best insulation may struggle, so understanding the cooler’s limitations and utilizing it in shaded or cooler environments can enhance its performance.

What Makes Durability a Key Attribute of Extreme Coolers?

Durability is essential for extreme coolers, as it ensures they can withstand harsh conditions and prolonged use. The key attributes that contribute to the durability of extreme coolers include:

  • Material Quality: High-density polyethylene (HDPE) and rotomolded construction are commonly used in extreme coolers, providing exceptional resistance to impacts and abrasions. These materials are designed to endure rough handling and extreme weather, making them suitable for outdoor adventures.
  • Insulation Performance: Extreme coolers often feature thick insulation, which not only keeps contents cold but also adds structural strength. The superior insulation prevents warping and damage, allowing the cooler to maintain its shape and functionality over time, even under intense use.
  • Hardware and Seals: Durable latches, hinges, and seals made from stainless steel or heavy-duty plastic contribute to the cooler’s longevity. These components are designed to resist corrosion and wear, ensuring that the cooler remains airtight and leak-proof, which is vital for maintaining temperature and preventing spills.
  • Design and Construction: The design of extreme coolers often includes reinforced corners and a rugged exterior, enhancing their ability to withstand drops and rough handling. The overall construction focuses on minimizing weak points, which are common failure areas in lesser coolers, thereby extending their lifespan.
  • Weather Resistance: Many extreme coolers are designed to be weatherproof, resisting UV rays, rain, and extreme temperatures. This weather resistance helps to prevent degradation of materials, maintaining the cooler’s effectiveness and appearance over time.

Which Brands Are Leading the Extreme Cooler Market?

The leading brands in the extreme cooler market are known for their durability, insulation, and performance in extreme conditions.

  • YETI: YETI coolers are renowned for their robust construction and exceptional insulation capabilities. They utilize a rotomolded design that provides extreme durability against harsh environments and rugged handling, making them a favorite for outdoor enthusiasts.
  • Pelican: Pelican coolers are designed for heavy-duty use, featuring a rugged exterior that is resistant to impacts and extreme temperatures. They are praised for their excellent ice retention, often keeping contents cold for days, making them ideal for extended trips.
  • RTIC: RTIC coolers offer a balance of performance and affordability, featuring similar insulation technology as high-end brands. They are known for their lightweight design and long ice retention capabilities, making them popular among budget-conscious consumers seeking quality.
  • Igloo: Igloo has a long-standing reputation in the cooler market, offering a variety of models that meet different needs. Their extreme coolers are built to withstand the elements while providing ample storage capacity, making them a versatile option for various outdoor activities.
  • Coleman: Coleman coolers combine affordability with decent performance, making them accessible to a wider audience. While they may not have the extreme durability of higher-end brands, they are effective for casual use and short trips, boasting solid insulation and ease of transport.

What Unique Technologies Do Top Brands Use?

Top brands in the extreme cooler market utilize various unique technologies to enhance performance and durability.

  • Insulation Technology: Many top brands use advanced insulation materials such as polyurethane foam, which provides superior thermal retention. This technology minimizes heat transfer, keeping contents cold for extended periods, even in extreme temperatures.
  • Tough Outer Shell: High-end coolers are often constructed with rotomolded polyethylene, a material known for its durability and resistance to impact. This rugged exterior not only protects against physical damage but also contributes to the cooler’s ability to withstand harsh outdoor conditions.
  • Advanced Seal Systems: Many brands incorporate freezer-grade gaskets and locking mechanisms that create an airtight seal. This prevents warm air from entering the cooler, ensuring that ice lasts longer and the contents remain chilled.
  • Drainage Systems: Efficient drainage systems, such as oversized drain plugs and integrated channels, facilitate quick and easy water removal. This feature is particularly useful when cleaning the cooler or when melting ice needs to be drained without pouring out the contents.
  • Portability Features: Top coolers often include ergonomic handles and heavy-duty wheels for easy transportation. These design elements make it convenient to move the cooler across various terrains, from beaches to campsites.
  • Modular Accessories: Some brands offer a range of modular accessories, such as dividers, baskets, and cup holders. These customizable options enhance organization and usability, allowing users to tailor the cooler to their specific needs.
  • UV Resistance: To prolong the cooler’s lifespan, many brands use UV-resistant materials that protect against sun damage. This feature helps maintain the integrity of the cooler’s color and structure, ensuring it stays functional and visually appealing over time.
  • Smart Technology: A few innovative brands are integrating smart technology, such as temperature monitoring and Bluetooth connectivity. These features allow users to track the cooler’s internal temperature remotely, ensuring optimal conditions for food and beverages.

How Do Extreme Coolers Compare to Traditional Coolers?

Feature Extreme Coolers Traditional Coolers
Insulation Superior insulation with thick walls for extended cooling. Basic insulation, often less effective in hot conditions.
Durability Made from heavy-duty materials, resistant to impacts and UV rays. Generally less durable, may crack or break under pressure.
Weight Heavier due to robust construction, less portable. Lighter and easier to carry, but may sacrifice insulation.
Price Higher price point reflecting quality and features. More affordable, but with limited performance and longevity.
Cooling Duration Can keep ice for 5-10 days or more, depending on the model. Typically keeps ice for 1-3 days.
Seal Quality Features airtight seals to minimize airflow and maximize cooling. Often has less effective seals, leading to quicker temperature loss.
Accessories Often comes with additional features like built-in bottle openers, cup holders, and tie-down points. Basic models may lack additional features and accessories.

What Performance Differences Can You Expect?

Feature Cooler A Cooler B
Cooling Efficiency Maintains ice for up to 7 days in high temperatures. Holds ice for about 5 days, less effective in extreme heat.
Durability Rugged rotomolded construction, highly resistant to impacts. Sturdy but may show wear after extensive outdoor use.
Weight Weighs 30 lbs, making it portable for short trips. Heavier at 40 lbs, better suited for stationary use.
Insulation Thickness 2 inches of high-density foam 1.5 inches of insulation
Warranty 5 years limited warranty 3 years limited warranty
Color Options Available in blue, green, and gray Available in black and white
Additional Features Built-in bottle opener and tie-down slots Non-slip feet and a drain plug
Price $200 – Mid-range pricing for quality performance. $150 – Budget-friendly option with decent features.

What Is the Price Range for Quality Extreme Coolers?

Best practices for selecting and using an extreme cooler include considering the intended use, evaluating insulation efficiency, and looking for additional features that meet specific needs. Users should also pay attention to proper packing techniques, such as pre-chilling the cooler and using block ice for optimal ice retention, to maximize performance.

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