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Black open-frame PCIe 5.0 adapter with M.2 slot and U.2 SFF-8639 connector

LetLinkSo

LetLinkSo LLS-CD-1UT1MT-01 PCIe 5.0 U.2 SFF-8639 to M.2 NVMe Adapter

SKU CH-TDBX-CT86J

Connects M.2 NVMe SSDs to U.2 SFF-8639 bays using PCIe 5.0 at 128 Gbps across 4 lanes

  • First connectorNVMe M.2(Key-M) SSD (2230\2242\2260\2280) slot
  • Second connectorU.2 SFF-8639 interface
  • Connector genderFemale to Male
  • Connector typeStraight
  • Units per package1
  • Product colorBlack

PCIe Gen 5.0

  • PCIe 5.0 delivers 128 Gbps total bandwidth for fast NVMe SSD performance
  • Supports M.2 2230, 2242, 2260 and 2280 NVMe drives for flexible storage choices
  • Backward compatible with PCIe Gen4, Gen3, Gen2 and Gen1 for broad system support
  • Plug-and-play operation requires no drivers on Windows, macOS or Linux
  • Open-frame design enables optimal cooling for reliable data transmission

Product Identity

The LetLinkSo LLS-CD-1UT1MT-01 adapter connects an M.2 NVMe SSD to a U.2 SFF-8639 bay using the PCIe 5.0 interface. It targets server, workstation and NAS owners who want to reuse existing M.2 drives in enterprise-style storage slots.

Bundled Impact

The package includes only the adapter card itself. No mounting screws, thermal pads, cables or software are supplied, so the installer must provide any required fasteners or cooling material for the specific chassis.

Installation Reality

The open-frame design fits M.2 lengths of 2230, 2242, 2260 and 2280 and requires no driver installation on Windows, macOS or Linux. Clearance can be tight in dense backplanes, and the straight connector orientation may conflict with adjacent cards or cable routing.

How it compares

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

Price $36.99
Pricier than about 71% of the 1,721 comparable items (median $22.99).

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Specifications

Product
Brand nameLetLinkSo
Product lineLLS-CD-1UT1MT-01
Model nameLLS-CD-1UT1MT-01
Part numberLLS-CD-1UT1MT-01
Product colorBlack
Ports & slots
First connectorNVMe M.2(Key-M) SSD (2230\2242\2260\2280) slot
Second connectorU.2 SFF-8639 interface
Connector genderFemale to Male
Connector typeStraight
Size & build
Product dimensions20'
Product weight3 oz
In the box
Units per package1
In the boxLetLinkSo PCIe 5.0 U.2 SFF-8639 to M2 NVMe SSD Card x 1

Other versions of this model

1 more in the same range

Questions about this item

Does the open-frame design on this LLS-CD-1UT1MT-01 adapter require any periodic cleaning or fan maintenance?

No moving parts are present, so no scheduled cleaning or fan maintenance is needed. The open frame relies on system airflow to keep the M.2 NVMe SSD cool during sustained PCIe 5.0 operation.

What thermal limit appears first when the adapter runs a PCIe 5.0 x4 NVMe drive at 128 Gbps continuously?

The M.2 NVMe SSD's own thermal throttle point is reached before the adapter itself, because the straight-through SFF-8639 to M.2 Key-M trace adds no active cooling beyond the open frame.

How much extra power draw and noise does the adapter add when installed in a U.2 bay that runs 24/7?

The adapter is purely passive — it adds no power draw and no noise. All consumption and acoustics come from the host system and the installed M.2 NVMe SSD (2230, 2242, 2260, or 2280).

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