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Green PCB with gold PCIe x1 edge connector, M.2 M-key slot, and silver low-profile bracket

SMUGDESK

SMUGDESK PCIe 3.0 x1 to M.2 M-Key NVMe Adapter Low-Profile Bracket

SKU CH-A7JQ-762DR

Converts a PCIe 3.0 x1 slot into an M.2 M-Key socket for NVMe or AHCI SSDs in 2230, 2242, 2260 and 2280 lengths, with a low-profile bracket included

  • Adds M.2 NVMe or AHCI storage via a PCIe 3.0 x1 slot
  • Works with PCIe 1.0, 2.0 and 3.0 motherboards for wide compatibility
  • Supports M-Key SSDs in 2230, 2242, 2260 and 2280 lengths
  • Includes low-profile bracket for slim half-height chassis
  • No extra driver needed for mainstream Windows and Linux

PCIe 3.0 x1 to M.2 M-Key Adapter

This PCIe x1 expansion card converts a standard PCIe slot into an M.2 M-Key socket, allowing installation of NVMe or AHCI solid-state drives on desktops without a native M.2 connector. It accepts M-Key drives in 2230, 2242, 2260 and 2280 lengths. Both full-height and low-profile brackets are included for standard and slim chassis. No special driver is required for Windows or Linux.

Sustained transfer limited by x1 bandwidth

Under continuous workloads the adapter’s throughput is constrained by the PCIe x1 lane width, so sequential speeds will not reach the rated maximum of the installed NVMe drive. The card operates under PCIe 3.0, 2.0 and 1.0 host specifications, falling back to the slot’s negotiated link speed. Thermal performance depends on case airflow as the board has no active cooling.

M-Key NVMe only; no B-Key SATA support

The socket is electrically wired for M-Key PCIe-based SSDs and will not function with B-Key SATA M.2 drives. Actual SSD speed is limited by the PCIe x1 interface bandwidth regardless of drive capability. Builders needing multiple M.2 slots or full x4 NVMe performance should verify motherboard slot availability and drive interface type before purchase.

Highlights

  • Adds M.2 NVMe or AHCI storage via a PCIe 3.0 x1 slot
  • Works with PCIe 1.0, 2.0 and 3.0 motherboards for wide compatibility
  • Supports M-Key SSDs in 2230, 2242, 2260 and 2280 lengths
  • Includes low-profile bracket for slim half-height chassis
  • No extra driver needed for mainstream Windows and Linux

Specifications

No published specifications for this item yet.

Questions about this item

Does the PCIe 3.0 x1 slot limit the NVMe SSD's speed or generate extra heat during all-day use?

The adapter connects through a PCIe 3.0 x1 lane, so maximum throughput is capped at x1 bandwidth; the card itself has no active cooling and adds negligible heat inside the case.

What SSD lengths and key types must I already own for this adapter to work?

You need an M-key PCIe-based SSD in 2230, 2242, 2260 or 2280 form factor; B-key SATA M.2 drives are not supported.

Will this card work in an older motherboard that only has PCIe 2.0 or 1.0 slots?

Yes, the adapter is compatible with PCIe 3.0, 2.0 and 1.0 host slots, so it will function in older motherboards at the slot's native speed.

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