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Black braided cable with right-angled M.2 male plug and straight U.2 female connector

LetLinkSo

LetLinkSo PCIe 4.0 M.2 to U.2 Adapter Right Exit 50cm

SKU CH-FQ3C-KDWMY

Connects a U.2 NVMe SSD to an M.2 2280 slot with PCIe 4.0 speeds up to 64 Gbps and includes a 15-pin SATA power connector

  • Cable length1.6 ft (50 cm)
  • First connectorMale M.2 M key 2280
  • Second connectorStraight Female SFF-8639(U.2)
  • Connector genderMale to Male
  • Cable jacketBraided
  • Connector typeM.2 to SFF-8639 U.2

Cable Exit Direction Right Exit

  • Adds U.2 NVMe storage via M.2 2280 slot
  • PCIe 4.0 delivers up to 64 Gbps throughput
  • Works with PCIe 3.0, 2.0 and 1.0 drives
  • Braided 50cm cable with 15-pin SATA power
  • Driver-free installation, ready to use

U.2 NVMe Adapter for M.2 Slots

This adapter lets you install a U.2 NVMe SSD into a motherboard M.2 2280 M key slot. It targets builders and server operators who want enterprise-grade U.2 storage without a dedicated backplane. The 50 cm braided cable provides routing flexibility inside full-size cases. No drivers or software are required for operation.

PCIe 4.0 Link with SATA Power

The adapter runs at PCIe 4.0 speeds with a theoretical maximum of 64 Gbps and remains backward compatible with PCIe 3.0, 2.0 and 1.0 devices. A 15-pin SATA power connection is mandatory for the U.2 drive to function. The passive design adds no active cooling or noise, drawing only the drive's own power through the SATA lead.

Replaces Direct M.2 Mounting

This cable replaces a direct M.2 slot installation when the board lacks space or when a U.2 drive is preferred for its capacity or endurance. The jump is worth it if you need to run a U.2 NVMe SSD from an M.2 interface and can supply SATA power. It does not suit builds without a free M.2 M key slot or an available SATA power connector.

How it compares

Measured against everything we stock in SATA, IDE & M.2 Drive Adapters, at today’s prices. Recalculated every night.

Price $24.99
Pricier than about 55% of the 1,721 comparable items (median $22.99).

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Specifications

Product
Brand nameLetLinkSo
Product linePCIe 4.0 M.2 to U.2 Adapter
Product colorBlack
Ports & slots
First connectorMale M.2 M key 2280
Second connectorStraight Female SFF-8639(U.2)
Connector genderMale to Male
Connector typeM.2 to SFF-8639 U.2
Size & build
Cable length1.6 ft (50 cm)
Cable jacketBraided
Product weight1.68 oz
In the box
Units per package1
In the boxPCIe 4.0 M.2 to U.2 Adapter Right Exit x 1

Other versions of this model

3 more in the same range

Questions about this item

How do I install the LetLinkSo PCIe 4.0 M.2 to U.2 adapter, and which step do people often miss?

Insert the male M.2 M key 2280 connector into the motherboard slot, connect the straight female SFF-8639 U.2 end to the NVMe SSD, then attach a SATA power cable to the 15-pin connector — many forget this power step and the drive will not appear

What maintenance or replacement will this adapter need later?

The braided cable jacket and connectors are built for long-term reliability; no scheduled maintenance is required, but if the cable is damaged or the U.2 port wears from repeated insertions, replace the entire adapter

What limit appears first under sustained heavy transfers?

The theoretical PCIe 4.0 ceiling of 64 Gbps is the first bottleneck; real-world throughput will also depend on the specific U.2 NVMe SSD and motherboard M.2 implementation

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