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Corsair XTM70 Extreme Performance Thermal Paste
A 3 g non-conductive thermal paste sold with an applicator kit and cleaning wipes, aimed at high-TDP CPUs.
- Paste
- 3 g
PCPR score
7.6
Good
Best price we’ve seen
$19.99Nov 9
Checked recently. Confirm at the retailer.
R1
The short version
XTM70 is Corsair's extreme-performance thermal paste, sold in a 3 g syringe with an applicator kit and three cleaning wipes. Corsair describes a proprietary, non-electrically-conductive formula that resists drying and cracking and pitches it at high-TDP CPUs and GPUs. The applicator is specified for LGA 115x, 1200 and 1700 and for AM4 and AM5 sockets, and Corsair does not publish a W/mK figure on the product page.
Pros
- 3 g syringe with an applicator kit and three cleaning wipes
- Non-electrically-conductive per Corsair
- Corsair says it resists drying and cracking
Cons
- No W/mK figure on the product page
- Applicator support is listed only for LGA 115x, 1200, 1700, AM4 and AM5
- No independent temperature test was read in this pass
Best for
- High-TDP CPU and GPU repastes
- Buyers who want an applicator and wipes in the box
J3
Full specifications
Core
- Type
- Paste
- Quantity
- 3 g
Features
- Electrically conductive
- No
Compatibility notes
- The included applicator is specified for LGA 115x, 1200 and 1700 and for AM4 and AM5; LGA 1851 is not listed, so apply the paste by hand on those sockets.
- Non-electrically conductive per Corsair, so it is not a liquid metal.
P1
Where to buy
Official store
Seen Nov 9, 2026
$24.99
Buy from the makerBest Buy
Seen Nov 9, 2026
$19.99
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AV1
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R9
Common questions
Does XTM70 come with an applicator?
Yes. Corsair includes an applicator kit for an even layer plus three cleaning wipes for removing old paste.
Is XTM70 electrically conductive?
No. Corsair describes XTM70 as non-electrically conductive, so it does not carry the short-circuit risk of liquid metal.
Will the applicator fit newer Intel CPUs?
Corsair's page lists LGA 115x, 1200 and 1700 and AM4 and AM5 for the applicator and does not list LGA 1851, so plan to apply the paste by hand on those sockets.
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