We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Green PCB adapter card with silver SFF-8643 connector and metal bracket

SMUGDESK

SMUGDESK PCIe 4X to SFF-8643 U.2 NVMe Adapter

SKU CH-2YPJ-YMX1X

Converts a PCIe 4X slot to an SFF-8643 connector for 2.5 U.2 NVMe SSDs, supporting X4/X6/X8 slots for workstation and server storage expansion

  • Converts standard PCIe slot to SFF-8643 for 2.5" U.2 NVMe SSD connection
  • Works with PCIe X4/X6/X8 slots for broad motherboard and server compatibility
  • Supports enterprise-grade U.2 NVMe SSDs for stable high-bandwidth data transmission
  • Compact PCIe bracket design allows easy installation in desktops and servers
  • Plug-and-play with Windows and Linux for high-speed enterprise storage expansion

PCIe 4X to U.2 NVMe Adapter

This adapter converts a standard PCIe 4X slot into an SFF-8643 connector for 2.5 U.2 NVMe SSD installation. It fits PCIe X4, X6 and X8 slots for broad motherboard and server compatibility. The compact bracket design allows straightforward installation in desktops, workstations and storage servers. Plug-and-play operation supports both Windows and Linux systems.

Suited for enterprise storage upgrades.

Builders adding high-capacity U.2 NVMe SSDs to workstations or servers will find the PCIe 4X bandwidth and SFF-8643 interface a direct fit. It is not for users with M.2 form-factor SSDs, as the connector and protocol differ. Buyers needing multiple drive connections from a single slot should look at multi-port controller cards instead. Systems lacking any free PCIe X4 or wider slot cannot use this adapter.

Bracket and SFF-8643 cable enable physical

The standard PCIe bracket secures the card in a chassis slot while the SFF-8643 connector carries the NVMe signal to the 2.5 U.2 drive. No additional drivers are required for Windows or Linux, so the operating system recognises the SSD immediately. The adapter itself adds no software layer, leaving the drive's native performance and management features fully exposed to the host.

Highlights

  • Converts standard PCIe slot to SFF-8643 for 2.5" U.2 NVMe SSD connection
  • Works with PCIe X4/X6/X8 slots for broad motherboard and server compatibility
  • Supports enterprise-grade U.2 NVMe SSDs for stable high-bandwidth data transmission
  • Compact PCIe bracket design allows easy installation in desktops and servers
  • Plug-and-play with Windows and Linux for high-speed enterprise storage expansion

Specifications

No published specifications for this item yet.

Questions about this item

Does my motherboard need a PCIe x4, x6 or x8 slot for this adapter?

Yes — the card requires a PCIe x4, x6 or x8 slot to provide the 4-lane link for the U.2 NVMe SSD.

Can I keep using my existing U.2 NVMe drive with this adapter?

The adapter accepts 2.5-inch U.2 NVMe SSDs via the SFF-8643 connector, so your current drive will work if it matches that form factor.

How can I confirm the adapter is running at full speed after installation?

In Windows Device Manager or Linux lspci, verify the link shows PCIe 4x and the NVMe drive appears at its rated throughput.

New to this? Which coin should you pay with — what to check, what it costs to pay, and what is never asked for.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.