Nabob Deals

Arctic Silver 5 Thermal Cooling Compound Paste 3.5g High-Density Polysynthetic Silver (AS5 3.5G w/Tool)

Name: Arctic Silver 5 Thermal Cooling Compound Paste 3.5g High-Density Polysynthetic Silver (AS5 3.5G w/Tool)
Brand: Nabob Deals
SKU: B07NV27PDX

Bottom line: The Arctic Silver 5 Thermal Cooling Compound Paste 3.5g High-Density: Over 88% thermally conductive filler by weight, silver plus ceramic particles; main trade-off: 3.5g is oversized for a single build; small tubes cost less up front.

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By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-06

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. About the author →

Pros & Cons

Pros

✓ Over 88% thermally conductive filler by weight, silver plus ceramic particles
✓ Reported 3-12C lower full-load core temps vs standard compounds or pads
✓ 3.5g syringe covers 6-10 large CPU cores or 15-25 small cores
✓ Spreads to about 16 square inches at a 0.003-inch layer thickness

Cons

✗ 3.5g is oversized for a single build; small tubes cost less up front
✗ Silver-loaded paste is capacitive, so spillover onto pins needs care
✗ High filler density makes it thick and slower to spread than modern pastes
✗ Manual spreading required; no stencil or pre-cut pad included

Manufacturer description

Arctic Silver 5 is the polysynthetic silver thermal compound that built its reputation on raw conductivity: over 88% thermally conductive filler by weight, combining micronized silver with sub-micron zinc oxide, aluminum oxide, and boron nitride particles. That high-density filler load is why AS5 reports 3 to 12 degrees centigrade lower CPU full-load core temperatures than standard thermal compounds or thermal pads, measured with a calibrated thermal diode embedded in the CPU core. This 3.5g syringe is the large-volume option, not the single-use tube. It carries enough compound to cover at…

SpecPicks Verdict

SpecPicks scored Arctic Silver 5 Thermal Cooling Compound Paste 3.5g High-Density… using a rating × review-volume × price-fit model applied to published specs and reviews across the retro cpu coolers & fans category. Nabob Deals'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.

Frequently Asked Questions

How many CPUs can I paste with a 3.5g syringe?

At least 15 to 25 small CPU cores, 6 to 10 large CPU cores, or 2 to 5 heat plates. At a 0.003-inch layer it covers roughly 16 square inches.

How much will Arctic Silver 5 actually drop my temperatures?

Arctic Silver lists 3 to 12 degrees centigrade lower full-load core temperatures than standard thermal compounds or thermal pads, measured with a calibrated thermal diode embedded in the CPU core.

What is Arctic Silver 5 made of?

Over 88% thermally conductive filler by weight: micronized silver plus sub-micron zinc oxide, aluminum oxide, and boron nitride particles in a polysynthetic carrier.

Does this listing include an applicator?

Yes. This AS5 3.5G w/Tool listing ships with a bonus spreader tool so you can lay an even layer without using your fingers.

Is Arctic Silver 5 electrically conductive?

It is silver-loaded and capacitive, so keep it off pins, pads, and surface-mount components. Apply a thin layer to the die or heat spreader only and wipe any spillover before mounting.

Key Features

Arctic Silver 5 contains over 88% thermally conductive filler by weight. In addition to micronized silver, Arctic Silver 5 also contains sub-micron zinc oxide, aluminum oxide and boron nitride particles.
Its unique high-density filling of micronized silver and enhanced thermally conductive ceramic particles, Arctic Silver 5 provides a new level of performance and stability
Bonus Tool will come in handy rather then getting your hands dirty
Coverage Area: A 3.5g gram syringe contains enough compound to cover at least 15 to 25 small CPU cores, or 6 to 10 large CPU cores, or 2 to 5 heat plates. At a layer 0.003" thick, the 3.5g gram syringe will cover approximately 16 square inches.
3 to 12 degrees centigrade lower CPU full load core temperatures than standard thermal compounds or thermal pads when measured with a calibrated thermal diode imbedded in the CPU core

Full Specifications

Brand	‎Nabob Deals
Color	‎AS5 3.5G w/Tool
Weight	3.5g
Item Dimensions LxWxH	‎1.57 x 1.18 x 0.39 inches

Ready to buy?

Arctic Silver 5 Thermal Cooling Compound Paste 3.5g High-Density Polysynthetic Silver (AS5 3.5G w/Tool) is vintage hardware; the used and vintage market on eBay carries most of the live inventory. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. It also has an Amazon listing — check it for current price and availability. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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