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Thermalright TL-B8 CPU Fan, Computer Case Cooling Quiet 4pin PWM PC Fan with 80mm Silent, 2200RPM Speed, Low Noise 24dba, CPU Cooling (Gray)
Thermalright

Thermalright TL-B8 CPU Fan

Bottom line: The Thermalright TL-B8 CPU Fan ($8.72 on Amazon as of 2026-10-06): PWM 4-pin lets the motherboard scale speed from idle to 2200RPM; main trade-off: 80mm frame is too small for cases built around 120mm mounts.

$8.72

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Mike Perry — Hardware researcher since 2014. For retro PC hardware and period-correct parts, synthesises manufacturer documentation, community compatibility lists and marketplace listings rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference.

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ PWM 4-pin lets the motherboard scale speed from idle to 2200RPM
  • ✓ Rated 24dBA ceiling even at the 2200RPM maximum
  • ✓ S-FDB V2 bearing targets blade wobble in vertical mounting
  • ✓ 2.7mm H2O static pressure suits radiator and heatsink duty

Cons

  • ✗ 80mm frame is too small for cases built around 120mm mounts
  • ✗ 34CFM max airflow trails any 120mm fan at similar RPM
  • ✗ 2200RPM on an 80mm hub still spins audibly under full load
  • ✗ 25mm depth limits use in slim or low-profile enclosures

SpecPicks Verdict

SpecPicks scored Thermalright TL-B8 CPU Fan using a rating × review-volume × price-fit model applied to published specs and reviews across the retro cpu coolers & fans category. Thermalright's retro cpu coolers & fans 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 retro cpu coolers & fans 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

  • 【High Performance Cooling Fan】 Automatic speed control of the motherboard through the 4PIN PWM fan cable interface, which can determine the speed according to the temperature of the motherboard, with a maximum speed of 2200RPM.
  • 【Vibration Damping and Low Noise】 Four vibration damping pads around the fan reduce the vibration friction caused by PC fan rotation, perfectly reducing noise and allowing low noise operation.
  • 【Quality Bearings】 Carefully developed, solving the problem of shaking fan blades in lifting mode with durability, quality S-FDB V2 bearings keep fan noise to a minimum while providing maximum cooling performance when needed and extending the life of the case fan.
  • 【Dimensions of Silent Fan】 Size: 80*80*25mm, Speed: 2200RPM±10%, Noise ≤24dBA, Connector: 4pin pwm, wind pressure: 2.7mm H2O,Air Flow: 34CFM (MAX), Higher air flow for improved cooling performance.
  • [Perfect Match] The ultra-thin fan can not only be used as a case fan, but also suitable with downward coolers to cooling down CPU jointly aim at maximized heat dissipation performance; Ideal for cases, radiators and CPU coolers. Easy to install, can be combined with instructions or installation tutorials.

Full Specifications

BrandThermalright
ModelTL-B8
Voltage12 Volts (DC)
Wattage1.2 watts
MaterialPlastic
Unit Count1.0 Count
Noise Level24 Decibels
Part NumberTL-B8
CompatibilityPC
Material TypePlastic
Cooling MethodAir
Number of Items1
Vibration/RumbleYes
Air Flow Capacity34 Cubic Feet Per Minute
Compatible DevicesDesktop
Included ComponentsCPU COOOLER
Power Connector Type4-Pin
Maximum Rotational Speed2200 RPM
Item Dimensions L x W x H3.15"L x 0.98"W x 3.15"H
Full listing titleThermalright TL-B8 CPU Fan, Computer Case Cooling Quiet 4pin PWM PC Fan with 80mm Silent, 2200RPM Speed, Low Noise 24dba, CPU Cooling (Gray)

Ready to buy?

Thermalright TL-B8 CPU Fan, Computer Case Cooling Quiet 4pin PWM PC Fan with 80mm Silent, 2200RPM Speed, Low Noise 24dba, CPU Cooling (Gray) is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $8.72

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

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