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Thermalright Peerless Assassin 120 Digital CPU Air Cooler -Temperature Display | 6 Heat Pipes | 1850RPM PWM 120mm Fans, for Intel 1851/1700, AMD AM4/AM5
- Peerless Assassin 120 Digital BLACK(PA120 D B)
- [Temperature display] Throught TRCC control CPU temperature, CPU usage, graphics card temperature, graphics card usage display.
- [Product specification] Cooler dimensions: L125 mm x W110 mm x H162 mm (Without Fan)(4.92x5.31x6.38 inch); Heat sink material: Aluminum fin on copper bottom, CPU cooler is equipped with metal fasteners of Intel and AMD platform to achieve better installation.
- [Dual Thickened PWM Fans] TL-C12C-X28 V2 fan; fan size:120x120x28mm (4.7x4.7x1.1 inches); fan speed (RPM):1850rpm±10%; power port: 4pin; Air flow:88.89CFM(MAX); Noise Level25.6dB(A).
- [AGHP GEN 5.0 Technology] 6×6mm heat pipes apply GEN 5.0 Technology, Solve the Inverse gravity effect caused by vertical | horizontal orientation, 6 pure copper heat pipes & PWM fan & Pure copper base&Full electroplating reflow welding process.
- [Compatibility] The CPU cooling slot support:Intel LGA 1851/1700/1200/115X; AMD: AM4/AM5.
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Overview
Specs
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Technical Spec :
Heatsink Specifications:
Dimension:L125 mm x W110 mm x H162 mm(Without Fan)
Heat pipes:6mm heatpipe x 6 units
Copper Base:C1100 Pure copper nickel plated
Digital Connector:MB 9 pin/USB Port
TL-C12C-X28 V2 FAN Spec:
Dimension:L120 mm x W120 mm x H28 mm
Rated Speed:1850 RPM±10% (MAX)
Noise Level:25.6 dBA
Air Flow:88.89 CFM (MAX)
Air Pressure:2.21 mm H2O (MAX)
Ampere:0.35 A
Connector : 4 Pin (PWM Fan connector)
Bearing Type : S-FDB Bearing
Heatsink Specifications:
Dimension:L125 mm x W110 mm x H162 mm(Without Fan)
Heat pipes:6mm heatpipe x 6 units
Copper Base:C1100 Pure copper nickel plated
Digital Connector:MB 9 pin/USB Port
TL-C12C-X28 V2 FAN Spec:
Dimension:L120 mm x W120 mm x H28 mm
Rated Speed:1850 RPM±10% (MAX)
Noise Level:25.6 dBA
Air Flow:88.89 CFM (MAX)
Air Pressure:2.21 mm H2O (MAX)
Ampere:0.35 A
Connector : 4 Pin (PWM Fan connector)
Bearing Type : S-FDB Bearing
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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Return Policies
- Return for refund within: 30 days
- Return for replacement within: non-replaceable
- This item is covered by THERMALRIGHT STORE Return Policy
Manufacturer Contact Info
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The Thermalright Peerless Assassin 120 Digital is a black dual-tower CPU air cooler with six heat pipes, two 1850 RPM PWM fans, and a TRCC temperature and usage display, making it suitable for desktop builders who want strong air cooling, monitoring features, and broad Intel LGA 1851/1700/1200/115X or AMD AM4/AM5 compatibility.
Recommended For
- Desktop PC builders using mainstream or high-performance AMD AM4/AM5 or Intel LGA1851/1700 CPUs who want the cooling capability of a dual-tower air cooler without moving to liquid cooling.
- Gaming and workstation users who want to see CPU and GPU temperature or usage directly inside the case instead of relying only on desktop monitoring software.
- Windows-based PC builders who are comfortable connecting an internal USB or motherboard header and installing Thermalright's TRCC software to configure the numeric display.
- Value-focused custom-PC builders who can accommodate a roughly 162 mm-tall cooler and prefer a large air-cooling heatsink over paying extra for an AIO primarily for appearance or cooling capacity.
Real-World Use Scenarios
- Gaming on a mainstream Ryzen 5, Ryzen 7, or Core i5 system: the Peerless Assassin 120 Digital typically provides enough cooling headroom for sustained gameplay while keeping fan speeds moderate in a well-ventilated case.
- Long CPU-intensive work such as video encoding, 3D rendering, or software compilation: the dual-tower heatsink can manage sustained multi-core loads without requiring liquid cooling, although fan noise becomes more noticeable as the processor approaches its maximum power draw.
- Building a cost-conscious performance PC: users can use this cooler instead of a basic stock cooler or an entry-level single-tower model and obtain substantially more thermal capacity for demanding modern CPUs.
- Monitoring a PC during gaming or stress testing: the integrated display lets users check CPU temperature and load, and on supported configurations can also show GPU temperature and usage without opening a software overlay.
- Upgrading from an older Hyper 212-class cooler: the larger dual-tower design generally allows the system to run the same processor at lower fan speeds, improving sustained-load temperatures or reducing the need for aggressive fan curves.
- Using the cooler with a high-power processor under unrestricted all-core workloads: it can remain usable, but temperatures may approach the CPU's thermal limit and fan noise can rise significantly, so power limits or a quieter fan curve may be needed for a balanced experience.
Spec Summary
| Attribute | Value |
|---|---|
| Best For | AM5 CPU cooling with forced-air cooling and a 120 mm fan |
| Cooling Configuration | Aluminum and copper heatsink with horizontal fan mounting for forced-air CPU cooling |
| Fan Performance | 120 mm fan rated at 1850 RPM ±10%, delivering up to 88.89 CFM with 25.6 dB noise |
| Power And Capacity | 4-pin power connection with a 265 W wattage specification |
| Dimensions And Finish | Black heatsink measuring 125 × 110 × 162 mm without the fan |
| Model Identifiers | Thermalright PA120-D-B CPU cooler |
Reference Q&A
Q: Should I buy the Peerless Assassin 120 Digital or the Phantom Spirit 120 SE?
A: Choose the Peerless Assassin 120 Digital if you want an integrated CPU and GPU temperature/usage display and your case supports a 162 mm cooler. Choose the Phantom Spirit 120 SE if sustained CPU cooling is the priority: it uses seven heat pipes instead of six and has a shorter 154 mm heatsink, giving it a modest hardware advantage for high-load systems and tighter cases. Both are dual-tower air coolers with two 120 mm fans and support AM4, AM5, LGA1700, and LGA1851.
Q: Is the Peerless Assassin 120 Digital worth choosing over the regular Peerless Assassin 120 SE?
A: The Peerless Assassin 120 Digital is the better choice when you want on-cooler system monitoring and higher advertised fan airflow. The regular Peerless Assassin 120 SE is the better value-oriented choice when you only need dual-tower cooling and do not need a display. Both designs use six heat pipes, two 120 mm PWM fans, and broad AM4/AM5 and Intel socket compatibility, so the upgrade is primarily about monitoring features, fan specification, and convenience rather than a different cooler class.
Q: How does the Peerless Assassin 120 Digital compare with the Noctua NH-D15 G2?
A: Choose the Peerless Assassin 120 Digital for a shorter 162 mm dual-tower cooler with a built-in monitoring display and a practical performance-focused design. Choose the Noctua NH-D15 G2 for a premium air-cooling package aimed at higher heat loads, quieter operation, long-term support, and included accessories. The NH-D15 G2 is 168 mm tall, uses eight heat pipes and two 140 mm fans, and includes a six-year warranty. Check case clearance carefully because neither cooler is intended for small-form-factor systems.
Q: Is the Peerless Assassin 120 Digital better than a single-tower CPU cooler?
A: Choose the Peerless Assassin 120 Digital for gaming or productivity systems using a high-power modern CPU, because its dual-tower heatsink and two 120 mm fans provide substantially more cooling capacity than typical entry-level single-tower designs. Choose a single-tower cooler when the case is narrow, the CPU has a modest power target, or lower weight and simpler installation matter more than sustained-load temperature headroom. The Peerless Assassin 120 Digital requires approximately 162 mm of CPU-cooler clearance based on the supplied product specifications.
Q: Will this CPU cooler fit in my PC case?
A: It will fit only if the case supports a CPU cooler at least 162 mm tall, excluding the fans. Check the case manufacturer's maximum CPU cooler height before buying. The cooler measures 125 × 110 × 162 mm without the fans.
Q: Will the cooler interfere with my RAM or motherboard?
A: Potentially. The dual-tower heatsink and front 120 mm fan can overlap tall memory modules or nearby motherboard components, depending on the board layout. Verify RAM height and available clearance; the fan can typically be positioned higher, but doing so may increase the total cooler height beyond 162 mm.
Q: Which CPUs and motherboard sockets are compatible with this cooler?
A: The included mounting hardware supports Intel LGA 1851, LGA 1700, LGA 1200, and LGA 115x sockets, plus AMD AM4 and AM5. Confirm the exact socket on your motherboard before installation. Socket compatibility does not by itself guarantee adequate cooling for every CPU.
Q: Is this cooler suitable for gaming and demanding desktop workloads?
A: It is designed for desktop systems that use Intel LGA 1851, LGA 1700, LGA 1200, or LGA 115x, and AMD AM4 or AM5 processors. Its six copper heat pipes, dual 120 × 120 × 28 mm PWM fans, and maximum airflow rating of 88.89 CFM make it suitable for many gaming and productivity builds. For very high-power or heavily overclocked CPUs, verify independent thermal testing and the processor's cooling requirements.
Q: How loud is this CPU cooler during operation?
A: The included TL-C12C-X28 V2 PWM fans are rated at up to 1,850 RPM and 25.6 dB(A). Actual noise will vary with CPU temperature, fan curves, case airflow, and workload. The fans use standard 4-pin PWM connectors for motherboard-based speed control.
Q: Is the Peerless Assassin 120 Digital worth buying over the standard Peerless Assassin 120?
A: Choose the Digital version if you want an onboard temperature and usage display. If you do not need the display, community discussions indicate that the standard Peerless Assassin is the simpler choice because the main added feature is the monitoring hardware and software.
Q: Does the temperature display require software, and can it show custom images or GIFs?
A: The display requires Thermalright’s TRCC control software and an internal USB connection for monitoring data. Reddit discussions describe it as a text/status display for temperatures and usage, not a general-purpose LCD for custom images or GIFs. Some users also report software setup issues.
Q: Will the Peerless Assassin 120 Digital fit with tall RAM and in a standard mid-tower case?
A: Compatibility depends on both RAM height and case clearance. The heatsink is 162 mm tall without the fan, and Reddit users report that tall RGB memory may require raising or relocating the front fan. Check the case’s CPU-cooler clearance and allow for possible fan adjustment before buying.
Q: Is the Peerless Assassin 120 Digital suitable for high-performance Ryzen CPUs?
A: It is a reasonable air-cooling option for AM5 gaming CPUs such as the Ryzen 7 7800X3D and Ryzen 7 9800X3D, provided the case has adequate airflow. For a 65 W processor that is not overclocked, it may be more cooler than necessary; the main benefits are lower fan speeds, reduced noise, and upgrade headroom.
Q: Is the Peerless Assassin 120 Digital quiet, or does it produce fan noise?
A: Noise depends on fan speed, case airflow, and installation. Community reports describe it as reasonably quiet at moderate speeds but mention noticeable whine or louder operation at higher RPM in some systems. The cooler’s fans are rated at up to 1,850 RPM and 25.6 dB(A), so quiet operation is not guaranteed under sustained heavy loads.