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Series 7 Silver Thermal Paste High Performance Heatsink Compound for CPU GPU LED, 10g Tub with Applicator
Protronix

Series 7 Silver Thermal Paste High Performance Heatsink Compound for CPU GPU LED, 10g Tub with Applicator

Bottom line: The Series 7 Silver Thermal Paste High Performance Heatsink Compound ($6.49 on Amazon as of 2026-10-06): Strong 3.17 W/(m-K) thermal conductivity for mid-to-high-end CPU/GPU cooling; main trade-off: non-metal compound trails premium liquid-metal pastes on peak thermals.

$6.49

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Buy on Amazon — $6.49 Compare to similar retro cpu coolers & fans

By , Founder & Editor-in-Chief · Listing data updated

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

  • ✓ Strong 3.17 W/(m-K) thermal conductivity for mid-to-high-end CPU/GPU cooling
  • ✓ Non-conductive, non-corrosive paste safe around pins and traces
  • ✓ Wide -22 to 464F operating range suits vintage and modern rigs
  • ✓ 10g tub covers ~25 large or ~50 small CPU cores per application
  • ✓ Includes spreader and cleanup towelette in the box

Cons

  • ✗ Non-metal compound trails premium liquid-metal pastes on peak thermals
  • ✗ Tub-and-spreader format messier than syringe applicators
  • ✗ 3.17 W/(m-K) rating modest next to 12W+ enthusiast pastes
  • ✗ No stated warranty terms in the listing

Manufacturer description

10G tub of high-quality non-curing thermally conductive compound for mid to high-end applications. Suitable for attaching heat sinks, CPU fans, GPU coolers, LED chips, or anything else that requires strong thermal conductivity. A 10 gram tub contains enough compound to cover at least 50 small CPU cores, 25 large CPU cores, or 8 to 15 heat plates.The included spreader allows for easy and smooth operation. A special towelette is included for quick and easy cleanup.A 10 gram is enough compound to cover at least 50 small CPU cores, 25 large CPU cores, or 8 to 15 heat plates.High stability and…

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SpecPicks Verdict

SpecPicks scored Series 7 Silver Thermal Paste High Performance Heatsink Compound using a rating × review-volume × price-fit model applied to published specs and reviews across the retro cpu coolers & fans category. Protronix'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

  • Excellent Thermal Conductivity: >3.17W/(m-K)
  • Long-Term Operating Temperature: -22 - 464(F)
  • Odorless, low oil content, non-volatile, non-corrosive, non-toxic, flame retardant, not electrically conductive
  • Grease cleaner and applicator included
  • High stability and reliability

Full Specifications

BrandProtronix
ModelProtronix-PST-E
Weight10g
CPU SocketUniversal
Unit Count1.0 Count
Part NumberProtronix-PST-E
Mounting TypeChassis Mount
Cooler Heatsink MaterialCopper
Cooler Heatsink CompatibilityUniversal
Excellent Thermal Conductivity>3.17W/(m-K)

Ready to buy?

Series 7 Silver Thermal Paste High Performance Heatsink Compound for CPU GPU LED, 10g Tub with Applicator 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 — $6.49

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

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Series 7 Silver Thermal Paste High Performance Heatsink Compound for CPU GPU LED, 10g Tub with Applicator
$6.49
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