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Black PCIe 5.0 adapter card with 28-pin EDSFF slot and U.2 SFF-8639 connector

LetLinkSo

LetLinkSo LLS-CD-1ED1UT-01 PCIe 5.0 EDSFF to U.2 SFF-8639 Adapter

SKU CH-X2TT-2C621

Converts 28-pin EDSFF NVMe SSDs to U.2 SFF-8639 for PCIe 5.0 speeds up to 32GT/s

  • First connectorU.2 SFF-8639
  • Second connectorEDSFF
  • Connector genderMale to Female
  • Connector typeStraight
  • Units per package1
  • Product colorBlack
  • PCIe 5.0 bandwidth up to 32GT/s eliminates storage bottlenecks
  • Genuine Amphenol SFF-8639 connector ensures enterprise-grade signal integrity
  • Premium LOTES 28-pin EDSFF slot supports E1.S, E1.L, E3.S, E3.L form factors
  • OS-independent operation requires no drivers for Windows Server, Linux, VMware, Proxmox
  • Align arrows during installation to prevent drive damage

PCIe 5.0 EDSFF to U.2 Adapter

The LetLinkSo LLS-CD-1ED1UT-01 is a PCIe 5.0 EDSFF to U.2 SFF-8639 adapter card that converts enterprise NVMe SSDs with a 28-pin EDSFF connector to a standard U.2 interface. It supports E1.S, E1.L, E3.S and E3.L form factors using a genuine LOTES 28-pin slot and an Amphenol SFF-8639 connector for enterprise-grade signal integrity. The adapter operates at up to 32GT/s and is fully backwards compatible with PCIe 4.0 and 3.0.

For enterprise storage upgrades

This adapter suits system integrators and server administrators upgrading rackmount storage systems with next-generation EDSFF NVMe drives in existing U.2 backplanes. It is OS-independent and requires no additional drivers for Windows Server, Linux, VMware or Proxmox environments. It is not for builders who need a second card for dual-drive configurations or for users attempting to connect drives without a 28-pin EDSFF interface.

28-pin EDSFF slot

The single specification that decides fit is the 28-pin EDSFF connector on the device side, which accepts E1.S, E1.L, E3.S and E3.L enterprise SSDs. The host side provides a U.2 SFF-8639 male connector for direct backplane insertion. Correct installation requires aligning the arrows on both sides of the drive to prevent damage during insertion.

How it compares

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

Price $64.99
Pricier than about 80% of the 1,721 comparable items (median $22.99).

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Specifications

Product
Brand nameLetLinkSo
Product linePCIe 5.0 EDSFF to U.2 Adapter
Model nameLLS-CD-1ED1UT-01
Part numberLLS-CD-1ED1UT-01
Product colorBlack
Ports & slots
First connectorU.2 SFF-8639
Second connectorEDSFF
Connector genderMale to Female
Connector typeStraight
Size & build
Product weight4.3 oz
In the box
Units per package1
In the boxPCIe 5.0 EDSFF to U.2 Adapter

Questions about this item

What is the maximum PCIe data rate this adapter supports?

The adapter runs at PCIe 5.0 speeds up to 32 GT/s and is backward compatible with PCIe 4.0 and 3.0.

Does the adapter need active cooling or extra power for continuous operation?

It is a passive card with no onboard fan or auxiliary power connector; it relies on server airflow.

Which enterprise SSD form factors fit the 28-pin EDSFF slot?

The LOTES connector accepts E1.S, E1.L, E3.S and E3.L drives.

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