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Small green circuit board with silver M.2 slot and U.2 connector

Qnap

Qnap QDA-UMP4 M.2 2280 to 2.5" U.2 NVMe PCIe 4.0 Adapter

SKU CH-1MG2-464DH MPN QDA-UMP4

Converts an M.2 2280 NVMe SSD to a 2.5" U.2 PCIe 4.0 drive bay for PCs, workstations or QNAP NAS

  • Product typeAccessory
  • Converts M.2 2280 NVMe SSD to 2.5" U.2 (SFF-8639) form factor
  • Supports PCIe 4.0 x4 speeds for rapid data transfer
  • Aluminium-alloy frame with thermal pads dissipates SSD heat effectively
  • Driver-free installation in Windows, Linux PCs or QNAP NAS
  • Cost-effective alternative to native U.2 NVMe SSDs

M.2 2280 to 2.5" U.2 NVMe adapter

The QDA-UMP4 converts an M.2 2280 PCIe 4.0 NVMe SSD into a 2.5-inch U.2 form factor. It fits any system with a U.2 drive bay and supports full PCIe 4.0 x4 speeds. No drivers or extra software are required for operation.

PC builders and QNAP NAS owners seeking cost savings

This adapter suits users who want to use more affordable M.2 SSDs instead of pricier U.2 drives in a workstation or compatible QNAP NAS. Builders whose chassis or backplane lacks a U.2 (SFF-8639) bay cannot install this adapter.

PCIe 4.0 x4 interface support

The adapter delivers up to PCIe 4.0 x4 transfer rates for the installed M.2 NVMe SSD. An aluminum-alloy frame and included thermal pads dissipate heat to maintain performance under heavy workloads. The SSD must be M key and 2280 length to fit.

How it compares

Measured against everything we stock in Multi-Bay Desktop NAS, at today’s prices. Recalculated every night.

Price $47.99
Cheaper than about 97% of the 230 comparable items (median $562.49).

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Specifications

Product
Product typeAccessory
Size & build
Shipping weight0.23 kg
Package size191 × 112 × 66 mm

Questions about this item

Will this adapter let me use an M.2 2280 NVMe drive in a 2.5" U.2 drive bay on my existing PC?

Yes, it converts an M.2 2280 PCIe NVMe SSD to fit a 2.5" U.2 (SFF-8639) bay and works in any system with a PCIe 4.0 slot, including Windows or Linux PCs.

How can I verify the adapter is delivering PCIe 4.0 x4 speeds after installation?

Check the drive link speed in your OS device manager or BIOS; it should report PCIe 4.0 x4 for the installed M.2 NVMe SSD.

Does the package include the M.2 NVMe SSD or only the adapter frame and thermal pads?

Only the adapter with aluminum-alloy frame and thermal pads are included; the M.2 2280 NVMe SSD must be purchased separately.

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