Thermalright
Thermalright SI-100 Black CPU Air Cooler
Status: Thermalright SI-100 Black CPU Air Cooler: Unavailable on Amazon as of . SpecPicks has no in-stock listing with matching specs on file; the search below lists current offers. eBay sellers may still list this model new or used.
Bottom line: The Thermalright SI-100 Black CPU Air Cooler: 100mm total height clears most small and mid-tower cases; main trade-off: downdraft layout blows hot air onto VRMs and RAM.
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Currently unavailable on Amazon. Not the same product — 3 in-stock alternatives:
Similar: AMD CPU Ryzen 7 9800X3D — $549.76 on Amazon as of 2026-10-21 04:13 UTC (price may vary).
Similar: be quiet! Pure Rock 3 LX CPU Air Cooler — $24.90 on Amazon as of 2026-10-21 04:20 UTC (price may vary).
Similar: be quiet! Pure Rock Pro 3 Black CPU Air Cooler — $54.90 on Amazon as of 2026-10-21 20:20 UTC (price may vary).
Pros & Cons
Pros
- ✓ 100mm total height clears most small and mid-tower cases
- ✓ Six 6mm AGHP 3.0 heat pipes work in any mount orientation
- ✓ TL-E12B PWM fan pushes 72.37 CFM at 2000rpm
- ✓ Rated 27.7 dB(A) max noise for a near-silent build
- ✓ Fits AM4/AM5 plus Intel 1150-1851 and 2066/2011
Cons
- ✗ Downdraft layout blows hot air onto VRMs and RAM
- ✗ Only 0.64kg of aluminum fin stack, no copper base plate
- ✗ Single 120mm fan, no second fan mounting option
- ✗ 2000rpm ceiling is audible under sustained full load
SpecPicks Verdict
SpecPicks scored Thermalright SI-100 Black CPU Air Cooler using a rating × review-volume × price-fit model applied to published specs and reviews across the processors category. Thermalright's processors lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for processors of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Key Features
- [Brand Overview] Thermalright is a Taiwan brand with more than 20 years of development. It has a certain popularity in the domestic and foreign markets and has a pivotal influence in the player market. We have been focusing on the research and development of computer accessories. R & D product lines include: CPU air-cooled radiator, case fan, thermal silicone pad, thermal silicone grease, CPU fan controller, anti falling off mounting bracket, support mounting bracket and other commodities.
- [Product specification] Thermalright SI-100 Black CPU cooler; CPU Air Cooler dimensions: 120(L)x108(W)x100(H)mm (4.72x4.25x3.94 inch); Product weight:0.64kg(1.4lb); heat sink material: aluminum, CPU cooler is equipped with metal fasteners of Intel & AMD platform to achieve better installation. The height of the high-performance designed ice cooler is only 100mm, so there is no need to worry about the height of the CPU radiator.
- 【AGHP technique】6x6mm heat pipes apply AGHP 3.0 technique, Solve the Inverse gravity effect caused by vertical / horizontal orientation,Up to 20000 hours of industrial service life, S-FDB v2.0 bearings ensure long service life of air-cooler radiators. UL class a safety insulation low-grade, industrial strength PBT+PC material to create high-quality products for you. The height is 100mm, Suitable for small-sized/medium-sized computer case.
- 【PWM Fan】Model:TL-E12B; Standard size PWM fan:120x120x25mm (4.72x4.72x0.98 inches); fan speed (RPM):2000rpm±10%; power port: 4pin; Voltage:12V; Air flow:72.37CFM(MAX); Noise Level≤27.7dB(A), the pwm fan pairs efficient cool with low-noise-level, providing you an environment with both efficient cool and true quietness.
- 【Compatibility】The CPU cooler Socket supports: Intel:1150/1151/1155/1156/1200/1700/1851/2066/2011;AMD:AM4 /AM5; For different CPU socket platforms, corresponding mounting plate or fastener parts are provided.
Full Specifications
| Brand | Thermalright |
|---|---|
| Model | SI-100 BLACK |
| Weight | 0.64kg |
| Voltage | 12 Volts |
| Material | Aluminum,Silicone |
| Dimensions | 4.72x4.25x3.94 inch |
| Unit Count | 1.0 Count |
| Noise Level | 7 Decibels |
| Part Number | SI-100 BLACK |
| Compatibility | PC |
| Material Type | Aluminum,Silicone |
| Cooling Method | Air |
| Number of Items | 1 |
| Air Flow Capacity | 72.37 Cubic Feet Per Minute |
| Compatible Devices | Desktop |
| Included Components | cpu air cooler |
| Power Connector Type | 4-Pin |
| Maximum Rotational Speed | 2000 RPM |
| Item Dimensions L x W x H | 4.72"L x 0.98"W x 4.3"H |
| Full listing title | Thermalright SI-100 Black CPU Air Cooler, 6×6mm Heat Pipes, TL-E12B PWM Quiet Fan CPU Cooler with S-FDB V2.0 Bearing, AGHP 3.0 Technology, for AMD AM4 AM5/Intel 1150/1151/1200/1700/2066/1851 |
Ready to buy?
Amazon shows no buyable offer for Thermalright SI-100 Black CPU Air Cooler at the last check. A similar in-stock product is AMD CPU Ryzen 7 9800X3D. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
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