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Red M.2 to U.2 NVMe adapter board, 3.9 by 2.8 inches

STARTECH

STARTECH U2M2E125 M.2 to U.2 NVMe Adapter

SKU CH-VTK6-E7VEB MPN U2M2E125

Adapter lets you install an M.2 NVMe SSD into a U.2 (SFF-8639) host interface on a desktop or server motherboard

  • Product colorRed
  • DetailsDrive Connectors: 1 - M.2 (NGFF, M-Key, PCIe x4) Host Connec
  • Key featuresIncrease your system speed and performance cost-effectively,
  • Add M.2 NVMe speed via U.2 (SFF-8639) interface
  • Supports one M.2 PCIe NVMe SSD (M-Key)
  • Driver-free installation with native OS support
  • Compact 100 mm × 70 mm × 7 mm form factor
  • Lightweight 36 g design fits tight chassis

M.2 NVMe to U.2 Adapter

The StarTech U2M2E125 adapter lets you install a single M.2 PCIe NVMe SSD with an M-Key connector into a desktop PC or server that provides a U.2 (SFF-8639) host interface. It measures 100 mm long, 70 mm wide and 7 mm high, weighing 36 g. No drivers or software are required for installation.

For U.2-equipped builds; not for M.2-only boards

This card suits builders and IT professionals adding NVMe storage to systems with a free U.2 port or compatible drive bay. It will not work on motherboards that lack a U.2 (SFF-8639) interface or on platforms that only offer M.2 slots for direct SSD attachment.

U.2 (SFF-8639) host interface required

The adapter connects one M.2 NVMe SSD (M-Key, PCIe x4) to a single U.2 (SFF-8639) host connector running four PCIe lanes. If your board or backplane does not expose a U.2 port, this adapter cannot be used.

How it compares

Measured against everything we stock in Drive Brackets & Mounting Kits, at today’s prices. Recalculated every night.

Price $29.99
Typical for this category: the median of 218 items is $26.99.

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Specifications

Product
Brand nameStarTech.com
Model nameU2M2E125
Product colorRed
Size & build
Shipping weight0.45 kg
Package size305 × 279 × 229 mm

Questions about this item

Does the U2M2E125 include an M.2 NVMe SSD, or do I need to buy the drive separately?

The adapter supports one M.2 PCIe NVMe SSD (M-Key); the drive itself is not included and must be purchased separately.

How do I know if my M.2 SSD is the right M-Key type for this U.2 adapter?

Check the SSD edge connector — an M-Key module has a single notch on the right side and is labelled PCIe x4 NVMe; only that keying fits the adapter slot.

What real-world speed can I expect when the adapter links an NVMe drive to a U.2 (SFF-8639) motherboard port?

The adapter passes through a full PCIe x4 NVMe connection, so the drive runs at its rated NVMe speeds, limited only by the drive and the host U.2 controller.

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