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Green circuit board with four M.2 slots and a silver aluminum heatsink

LetLinkSo

LetLinkSo LLS-CD-1PC4MT-04 PCIe 4.0 x16 to 4 M.2 NVMe expansion card

SKU CH-CEHY-5P7AJ

Adds four M.2 NVMe slots over a PCIe 4.0 x16 link with an aluminium heatsink

  • Supported standardsPCIe 4.0
  • Transfer speed16GT/s (per lane)
  • Product typePCIe M.2 Expansion Card
  • Compatible withPCIe 4.0
  • DetailsUNLEASHED PERFORMANCE
  • Key featuresENHANCED STORAGE CAPACITY

PCIe Version PCIe 4.0

Cooling Type Heatsink

  • Connect four NVMe drives with one PCIe 4.0 x16 slot
  • Theoretical 256 Gbps total bandwidth at 16 GT/s per lane
  • Supports M.2 sizes 2230, 2242, 2260, 2280 for flexible SSD choice
  • Backward compatible with PCIe 1.0, 2.0, 3.0 standards
  • Aluminium heat sink lowers drive temperatures during sustained transfers

Four NVMe drives on one PCIe 4.0 x16 slot

The LetLinkSo LLS-CD-1PC4MT-04 adapter installs in a full-length PCIe 4.0 x16 slot and presents four M-key M.2 sockets for NVMe SSDs. Builders who need dense, high-speed storage without occupying multiple motherboard slots will use this card to add up to four drives.

Requires PCIe 4.0 x16 lane allocation

The card needs a motherboard with an available x16 electrical connection and BIOS that can initialise NVMe devices for boot. It frees M.2 sockets on the mainboard for other drives or leaves them empty in compact builds where onboard slots are scarce.

Bundled aluminium heatsink covers all four SSDs

A single custom aluminium heatsink spans the length of the card, drawing heat from each installed SSD during sustained transfers. Mounting hardware is included so the cooler secures every drive without separate pads or brackets.

How it compares

Measured against everything we stock in PCIe Expansion Cards, at today’s prices. Recalculated every night.

Price $33.99
Pricier than about 55% of the 891 comparable items (median $30.99).

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Specifications

Product
Brand nameLetLinkSo
Product linePCIe M.2 Expansion Adapter
Model nameLLS-CD-1PC4MT-04
Product typePCIe M.2 Expansion Card
Performance
Transfer speed16GT/s (per lane)
Connectivity
Supported standardsPCIe 4.0
Size & build
Product weight1 lb (0.45 kg)
Compatibility
Compatible withPCIe 4.0
In the box
In the box1 x PCIe M.2 Expansion Card

Other versions of this model

2 more in the same range

Questions about this item

How many NVMe drives can the LLS-CD-1PC4MT-04 run simultaneously before the PCIe 4.0 x16 bandwidth ceiling is reached?

The card exposes four M.2 slots, each capable of PCIe 4.0 x4 speeds, so all four drives can operate at full bandwidth within the 256 Gbps total limit.

Does the aluminium heat sink keep all four SSDs cool during continuous heavy I/O without active airflow?

The custom aluminium heat sink is designed to reduce operational temperatures across all four M.2 slots during high-speed data transfers.

What minimum motherboard slot and firmware support are required to boot from an NVMe drive on this adapter?

A PCIe 4.0 x16 slot and BIOS support for PCIe booting are needed to use an NVMe SSD on this card as the primary boot device.

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