The Thermalright Peerless Assassin 120 SE CPU Cooler is the top pick for most buyers. For shoppers seeking the best 150mm cpu cooler, its dual-tower design, six heat pipes, and two 120mm fans deliver strong cooling value without premium pricing.
This guide is for PC builders choosing an air cooler for a gaming system, workstation, or quiet desktop. The key checks are case height, socket support, RAM clearance, and fan noise. A cooler in this size class may be too tall for some cases, while a wide fin stack can cover taller memory modules. Compare the listed height with your case limit, then confirm the mounting kit supports your processor socket. The five picks below are ranked with clear reasons and honest drawbacks for each, helping you match cooling performance to your hardware and budget.
Quick Comparison
| # | Product | Best For | Price | |
|---|---|---|---|---|
| 1 | Thermalright Peerless Assassin 120 SE CPU Cooler | High-performance gaming PC builders | ~$35 | View → |
| 2 | Thermalright Assassin X120 Refined SE CPU Air Cooler | Budget-conscious compact PC builders | ~$16 | View → |
| 3 | Cooler Master Hyper 212 CPU Air Cooler | Mainstream desktop upgrade shoppers | ~$40 | View → |
| 4 | Thermalright Peerless Assassin 120 Vision MAX CPU Air Cooler | Quiet high-end workstation builders | ~$58 | View → |
| 5 | Awxlumv 150mm Aluminum Heatsink | DIY electronics cooling projects | ~$10 | View → |
5 Top 150mm CPU Cooler Picks
Here are five 150mm CPU coolers, ranked from fifth place down to our top pick for different builds and budgets.
5. Awxlumv 150mm Aluminum Heatsink
Best for: DIY LED and electronics cooling
The Awxlumv 150mm aluminum heatsink is a passive cooling part for electronic devices that need more surface area to release heat. It measures 150 x 60 x 25mm, or 5.91 x 2.36 x 0.98 inches, and weighs 147g. Its 24 fins create additional aluminum surface around a CPU, MOS tube, LED module, amplifier, or circuit board. The 6063 aluminum construction also keeps the part relatively light for its size.
This cooler fits projects that need a larger heat sink without adding a fan. It can suit high-power household LEDs, fish tank lighting, transistors, motherboards, and other electronic modules. Around $10, it offers a low-cost option for custom cooling work. The main advantage is its broad 150mm length and 60mm width, which provide more contact area than many small board-level heatsinks. Still, the actual cooling result depends on proper contact, airflow, and the heat produced by the device. The package includes one silver heatsink only.
Pros
- 6063 aluminum offers a practical balance of low weight and heat transfer.
- Twenty-four fins provide added surface area for passive heat release.
- The 150 x 60mm footprint suits larger LEDs, boards, and amplifier components.
Cons
- No fan is included, so passive cooling may not handle high heat loads alone.
- Only the heatsink is listed in the package, with no stated mounting hardware or thermal compound.
4. Thermalright Peerless Assassin 120 Vision MAX CPU Air Cooler
Best for: RGB gaming PCs with monitoring needs
The Thermalright Peerless Assassin 120 Vision MAX combines a twin-tower air cooler with a removable 5-inch IPS display. The screen uses a 480×854 resolution and can show temperatures, fan speeds, and other system data through TRCC software. It also supports custom static or moving backgrounds, including video playback. The cooler measures 125 x 135 x 164mm, so case clearance matters before purchase.
Its cooling hardware includes six copper heat pipes, a nickel-plated copper base, and two 120 x 120 x 25mm PWM fans. Each fan can reach 2,150 RPM, move up to 69 CFM, and produce up to 27 dB(A) according to the listed specifications. S-FDB V2 bearings should help with long-term fan operation. The top cover attaches magnetically, while the display uses a motherboard 9-pin USB connection. Compatibility covers Intel LGA1851, 1700, 1200, 115x, and AMD AM4 and AM5. At around $58, it offers more visual hardware than most air coolers in this price range.
Pros
- 5-inch IPS display shows system data and supports custom backgrounds.
- Six copper heat pipes and dual 120mm fans suit high-wattage desktop CPUs.
- Supports current Intel and AMD sockets, including LGA1851 and AM5.
Cons
- The 164mm height may not fit smaller PC cases.
- TRCC software and a 9-pin internal USB connection are required for the screen, adding cable and setup work.
3. Cooler Master Hyper 212 CPU Air Cooler
Best for: Midrange gaming PC builds
The Cooler Master Hyper 212 Black is a tower-style CPU air cooler with four heat pipes, a copper base, and a 120mm SickleFlow Edge fan. Its 152mm height keeps it smaller than many dual-tower designs, so it can fit more cases. The cooler targets processors such as AMD Ryzen 7 and Intel Core i7, while support includes AM5 and Intel LGA 1851 and 1700 sockets.
The fan uses PWM control across a 690 to 2,500 RPM range. That lets the motherboard adjust fan speed based on CPU temperature instead of running at full speed constantly. Redesigned mounting brackets simplify installation, and the included thermal paste removes one extra purchase. Around $40, this cooler offers a practical upgrade over many basic stock solutions. Its main appeal is balance: a familiar tower layout, broad socket support, and a standard 120mm fan that should be easy to replace later.
Pros
- Four heat pipes and a copper base support cooling for Ryzen 7 and Core i7 processors.
- PWM fan control covers 690 to 2,500 RPM for adjustable cooling performance.
- The 152mm height fits cases that cannot accept larger CPU coolers.
Cons
- The 152mm height still requires a case with enough CPU-cooler clearance.
- A single-tower air cooler may be less suitable for sustained heavy loads than larger dual-tower or liquid designs.
2. Thermalright Assassin X120 Refined SE CPU Air Cooler
Best for: Budget gaming PCs with AM5
The Thermalright Assassin X120 Refined SE is a compact tower air cooler for mainstream desktop CPUs. It measures 125 by 71 by 148 mm and weighs 645 grams, so its 148 mm height should fit many mid-sized cases, but case clearance still needs checking. An aluminum heatsink uses four 6 mm heat pipes, while the included metal mounting hardware supports Intel LGA 1150, 1151, 1155, 1156, 1200, 1700, and 1851, plus AMD AM4 and AM5.
Its TL-C12C fan uses a 120 mm frame, four-pin PWM control, and a listed top speed of 1,550 RPM. Thermalright rates airflow at up to 66.17 CFM and noise at 25.6 dB(A) or less. AGHP heat-pipe construction is designed to reduce orientation-related effects, and the S-FDB bearing has a listed service life of up to 20,000 hours. Around $16, this cooler offers a low-cost replacement for a basic stock heatsink. The trade-off is limited headroom compared with larger dual-tower models.
Pros
- Supports a wide range of Intel and AMD sockets.
- 148 mm height fits many medium-sized cases.
- PWM fan offers automatic speed control and listed airflow up to 66.17 CFM.
Cons
- Single-fan, four-pipe design has less thermal capacity than larger coolers.
- The 148 mm height and tower shape still require case and motherboard clearance checks.
1. Thermalright Peerless Assassin 120 SE CPU Cooler
Best for: Budget gaming and workstation builds
The Thermalright Peerless Assassin 120 SE is a dual-tower CPU air cooler with six 6 mm copper heat pipes and two 120 mm PWM fans. Its aluminum fin stacks measure 125 × 135 × 155 mm, so it delivers a large cooling surface without using a liquid loop. Around $35, it targets buyers who want stronger cooling than a basic stock heatsink at a modest price.
Each TL-C12C fan runs at up to 1,550 RPM and moves as much as 66.17 CFM. Thermalright rates noise at no more than 25.6 dB(A), though actual sound depends on fan curves and case airflow. The heat pipes use AGHP construction, which is designed to maintain heat transfer in different mounting orientations. The included hardware supports AMD AM4 and AM5, plus Intel LGA 115x, 1200, 1700, and related 17xx sockets. AMD installations require the motherboard’s original backplate.
Pros
- Six copper heat pipes and two fans provide a substantial cooling setup for the price.
- Standard 120 × 25 mm fans use 4-pin PWM control for automatic speed adjustment.
- Metal mounting hardware supports several current AMD and Intel platforms.
Cons
- At 155 mm tall, it may not fit smaller PC cases.
- The dual-tower design can crowd tall RAM modules or complicate installation around the socket.
Buying Guide
Case clearance is the most important factor. A 150mm-tall tower cooler can fail to fit if your case supports only 145mm, so compare both measurements before buying.
- Height clearance: Choose a model at least 3-5mm shorter than your case’s stated CPU-cooler limit. Confirm the cooler height includes its fan and mounting clips.
- Socket support: Check the manufacturer’s compatibility list for your exact socket, such as AM5, AM4, LGA1700, or LGA1200. Some older units need a separate bracket.
- Cooling capacity: For mainstream processors, look for a stated rating around 120-180 watts. High-power chips may need a larger dual-tower cooler or liquid cooling.
- Memory and slot clearance: Measure tall RAM before purchase. Front fans often overhang memory modules taller than 40-45mm, while a slim 120mm fan can reduce interference.
- Noise and value: A cooler with a 120mm PWM fan and a quoted maximum below 30dB is suitable for quieter systems. Most sensible single-tower options cost about $30-$60.
If you cannot satisfy every requirement, prioritize case clearance, since an incompatible cooler cannot be installed.
Frequently Asked Questions
How do I choose a 150mm CPU cooler for my PC?
Choose a 150mm CPU air cooler by matching its height, socket support, heat output, and case clearance. A model rated for your processor should also fit the motherboard without covering tall RAM slots. Check the cooler’s listed height against your case limit, leaving a few millimeters of spare room for easier installation.
What socket support should a 150mm CPU cooler have?
It should support the exact socket on your motherboard, such as AM5, AM4, LGA1700, or LGA1200. Socket compatibility depends on the mounting kit, not the cooler’s height. Confirm the manufacturer’s compatibility list before buying, especially with older stock or a recently released processor.
Can a 150mm tower cooler fit in a mid-tower case?
Yes, a 150mm tower cooler can fit many mid-tower cases, but only when the case allows at least 150mm of CPU cooler height. Check the chassis specification, not just its width. A case rated for 155mm gives 5mm of clearance, while a 150mm limit may leave no installation margin.
Are 150mm CPU coolers good for gaming PCs?
Yes, 150mm CPU coolers can handle many gaming PCs when their thermal rating matches the processor’s power needs and the case has good airflow. They suit mainstream six- and eight-core chips, but high-power CPUs may need a larger dual-tower cooler or liquid unit. Noise also depends on fan speed and case ventilation.
Conclusion
Thermalright Peerless Assassin 120 SE CPU Cooler is the top pick for buyers who want strong air cooling and have a standard ATX or microATX case with room for a tall heatsink. If your priority is a smaller build, choose a low-profile CPU cooler instead, since its shorter design suits tight cases and limited memory clearance. Before buying, double-check the cooler’s height against your case, socket and motherboard compatibility, package quantity, and current price, since listings can change. Also confirm that the included mounting hardware matches your processor platform. A good cooler should fit without creating problems elsewhere in the build. That final check can prevent returns, clearance issues, and wasted spending.
