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Green circuit board with silver M.2 slot and gold PCIe edge connector

SMUGDESK

SMUGDESK PCIe 5.0 x4 M.2 NVMe B+M Key Adapter (Set6)

SKU CH-3Y3R-CRA1A

PCIe 5.0 x4 card adds an M.2 NVMe B+M Key slot for 2230, 2240, 2242, 2260 or 2280 SSDs

  • PCIe 5.0 x4 bandwidth unlocks full NVMe SSD speed
  • B+M key slot fits 2230, 2242, 2260 and 2280 drives
  • Works in PCIe x4, x8 or x16 motherboard slots
  • Optimised signal design keeps high-performance storage stable
  • Plug-and-play on Windows and Linux for instant upgrades

PCIe 5.0 x4 M.2 NVMe adapter

This PCIe 5.0 x4 expansion card converts a standard slot into an M.2 NVMe B+M Key interface. It supports SSD lengths of 2230, 2240, 2242, 2260 and 2280 for versatile storage upgrades. The card fits PCIe X4, X8 and X16 motherboard slots, making it suitable for desktops, workstations and home NAS builds.

Sustained load behaviour

The PCIe 5.0 x4 link provides 16 GT/s bandwidth per lane for consistent throughput during extended transfers. Optimised signal stability preserves data integrity when the drive operates at peak speeds for long periods. This design targets high-performance storage, NAS and gaming workloads that demand reliable sustained output.

Thermals noise and power

The adapter is a passive circuit board with no onboard fan or active cooling components. It draws power directly from the motherboard slot without requiring auxiliary connectors. Silent operation is guaranteed in normal use, while thermal performance depends on the host system airflow and the installed SSD.

Highlights

  • PCIe 5.0 x4 bandwidth unlocks full NVMe SSD speed
  • B+M key slot fits 2230, 2242, 2260 and 2280 drives
  • Works in PCIe x4, x8 or x16 motherboard slots
  • Optimised signal design keeps high-performance storage stable
  • Plug-and-play on Windows and Linux for instant upgrades

Specifications

No published specifications for this item yet.

Questions about this item

Does the PCIe 5.0 x4 adapter generate noticeable heat when an NVMe SSD runs continuously?

The card has no active cooling; sustained workloads will warm the SSD and the PCB, so ensure your case airflow reaches the slot.

What must my motherboard provide for this adapter to function?

A free PCIe x4, x8 or x16 slot and BIOS/UEFI support for NVMe boot or storage devices.

Will an older PCIe 3.0 motherboard slot limit the 5.0 x4 card’s speed?

Yes, the link will negotiate to PCIe 3.0 x4, capping the SSD at that generation’s bandwidth.

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