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Arctic MX-7 thermal paste
Arctic

Arctic MX-7

Thermal PasteView on arctic.de
Material:
Carbon-Based
Electrical Conductivity:
Non-Conductive
Recommended Use:
Mainstream CPU/GPU
Package Size:
2g / 4g / 8g tubes

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Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.

Manufacturer: Arctic Last updated: 2026-09-15

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Arctic MX-7 (Carbon-Based/Non-Conductive/ULTIMATE Performance Successor to MX-6) Review

Arctic MX-7 thermal paste review and specs - Arctic's newest ULTIMATE Performance paste, the successor above MX-6 in the lineup.

MX-7 is Arctic's current flagship paste, sold in 2g, 4g and 8g tubes with an optional MX Cleaner bundle. Arctic is marketing it as their best-performing formula yet, and independent coverage (Tom's Hardware) reported Arctic's own claim of roughly 3% lower temperatures than MX-6, though we'd treat that as a manufacturer claim relayed by press rather than an independently measured delta until third-party thermal benchmarks land. What's independently confirmed: it's carbon-based, non-conductive, thick (35,000-38,000 Poise) and rated for a wide -50C to 250C operating range.

Thermal Performance

Arctic doesn't publish a W/mK number here either, consistent with their policy across the whole lineup. Early press coverage cites Arctic's own claim of about 3% lower temperatures than MX-6, but that's the manufacturer's figure, not an independent lab result, so treat it as marketing until reviewers publish their own numbers.

Application

High viscosity (35,000-38,000 Poise) means it spreads thick and holds its shape well during application - good for pea/line methods on CPUs and GPUs, less prone to running than thinner pastes.

Safety

Fully non-conductive and non-capacitive with a high breakdown voltage (4.2 kV/mm), so accidental contact with board components during application isn't a short-circuit risk.

Specifications

Application

Viscosity35000 Pa-s

Quantity, volume versus weight

Density2.9 g/cm3
Electrical ConductivityInsulating
Package Size2g, 4g, 8g tubes; 4g also sold bundled with 6x MX Cleaner wipes
Recommended UseMainstream CPU/GPU, High-end CPU/GPU (marketed for CPUs, GPUs, consoles and laptops)
Safety NotesNon-conductive and non-capacitive; volume resistivity 1.7x10^12 ohm-cm, breakdown voltage 4.2 kV/mm
MaterialCarbon-Based
Operating Temperature-50C to 250C continuous use temperature
CuringNon-Curing
Paste SegmentStandard Paste
Min Operating Temp-50 C
Max Operating Temp250 C

Expert Review

Reviewed by Burooj Alam. Rated by us, not by users.

Best for

  • Users upgrading from MX-4/MX-6 wanting Arctic's newest formula
  • CPU and GPU repastes on mainstream and high-end builds
  • Buyers who want the widest rated operating temperature range in Arctic's current lineup

Not for

  • Extreme sub-zero/LN2 overclocking (use a dedicated extreme paste)
  • Buyers who want independently verified thermal-conductivity or delta-T numbers before Arctic's own claims are confirmed by reviewers

FAQs

What are the key specifications of the Arctic MX-7 (Carbon-Based/Non-Conductive/ULTIMATE Performance Successor to MX-6)?

The Arctic MX-7 (Carbon-Based/Non-Conductive/ULTIMATE Performance Successor to MX-6) is a thermal paste from Arctic. Key specs: Price per Gram $3.45/g (2g), $1.85/g (4g), $1.07/g (8g) - MSRP-based US pricing, larger tubes are meaningfully better value, Form Paste, Material Carbon-Based, Electrical Conductivity Non-Conductive, Recommended Use Mainstream CPU/GPU, High-end CPU/GPU (marketed for CPUs, GPUs, consoles and laptops).

Who is the Arctic MX-7 (Carbon-Based/Non-Conductive/ULTIMATE Performance Successor to MX-6) best suited to?

It suits users upgrading from mx-4/mx-6 wanting arctic's newest formula, cpu and gpu repastes on mainstream and high-end builds, buyers who want the widest rated operating temperature range in arctic's current lineup.

What are the drawbacks of the Arctic MX-7 (Carbon-Based/Non-Conductive/ULTIMATE Performance Successor to MX-6)?

It is a poor fit for extreme sub-zero/ln2 overclocking (use a dedicated extreme paste), buyers who want independently verified thermal-conductivity or delta-t numbers before arctic's own claims are confirmed by reviewers.

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