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Green circuit board with silver M.2 slot and black finned heatsink, PCIe x4 edge connector

SMUGDESK

SMUGDESK PA09HS M.2 NVMe PCIe 4.0 X4 Adapter with Heatsink

SKU CH-WQ71-5KHM2

Converts M.2 NVMe SSD to PCIe 4.0 X4 with integrated heatsink for stable high-speed operation

  • PCIe 4.0 X4 bandwidth accelerates NVMe SSD performance
  • integrated M.2 heatsink prevents thermal throttling under heavy loads
  • M-Key NVMe compatibility suits desktop and workstation upgrades
  • low-profile bracket installs in standard PCIe slots without tools
  • driver-free operation enables immediate storage expansion

M.2 NVMe PCIe 4.0 X4 Adapter with Heatsink

This SMUGDESK PA09HS adapter converts an M.2 NVMe solid-state drive to a PCIe 4.0 X4 interface, delivering high-bandwidth performance for desktop and workstation storage expansion. An integrated heatsink dissipates heat efficiently to prevent thermal throttling during heavy workloads. The compact, low-profile design fits standard PCIe slots and installs without extra drivers.

Ideal for DIY PC builders and workstation upgrades

Suits users adding high-speed NVMe storage to a motherboard with a free PCIe slot and who value a built-in cooling solution. Not suited for systems lacking a PCIe expansion slot or for drives using a different interface or keying than M-Key NVMe.

PCIe 4.0 X4 interface

The adapter operates on a PCIe 4.0 X4 link, which determines the maximum throughput available to the installed NVMe SSD. Verify that your platform supports this interface to gain the full bandwidth benefit.

How it compares

Measured against everything we stock in SATA, IDE & M.2 Drive Adapters, at today’s prices. Recalculated every night.

Price $13.99
Cheaper than about 83% of the 1,721 comparable items (median $22.99).

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Specifications

No published specifications for this item yet.

Questions about this item

How is the PA09HS installed in a PCIe 4.0 X4 slot, and what step is often missed?

Insert the adapter into an open PCIe 4.0 X4 slot, secure the NVMe SSD with the provided screw, then attach the integrated heatsink — many forget to remove the thermal pad film before mounting.

What maintenance will the integrated M.2 heatsink need over time?

Periodically clean dust from the heatsink fins with compressed air to maintain airflow; the thermal pad may need replacement after several years if temperatures rise.

What limit appears first during sustained heavy loads on this adapter?

Thermal throttling of the NVMe SSD occurs once the heatsink saturates, reducing sustained write speeds until temperatures drop.

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