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LetLinkSo PCIe 5.0 M.2 to U.2 Adapter, M.2 to SFF-8639 U.2 NVMe SSD Cable with 15Pin Power, Right Exit, 1.6ft (50cm)

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ENHANCED SYSTEM PERFORMANCE: This PCIe Gen5 M.2 to U.2 adapter makes it easy to install an U.2 PCIe NVMe SSD into your desktop PC or server, and connect to the drive through an available M.2 2280 M key compatible interface on your motherboard
PCIE 5.0 SPEEDS: Experience cutting-edge performance with support for PCIe 5.0, delivering theoretical speeds of up to 128 Gbps for your U.2 NVMe SSD
EFFORTLESS INSTALLATION: This U.2 to M.2 adapter is ready to use out of the box, with no drivers or software required
BACKWARD COMPATIBILITY: Future-proof yet flexible, this M.2 to SFF8639 adapter is designed for the latest technologies but also ensures compatibility with PCIe 4.0, 3.0, 2.0, and 1.0 devices, providing users with the freedom to upgrade at their own pace
Custom OEM/ODM and Bulk Supply: Tailored solutions for custom cable lengths, bespoke pinouts, and specialized interfaces (SlimSAS, MCIO, OCuLink). We support custom PCB layouts and offer volume discounts for enterprise server deployments and industrial integration
IMPORTANT: This adapter requires connection to a SATA power cable to function
DURABLE BUILD: Engineered with high-quality materials for long-lasting reliability, ensuring consistent performance through intensive use

Overview

Specs

Reviews

In a world where digital connectivity is the lifeblood of our daily lives, LetLinkSo is the pulse that keeps the rhythm steady.
We understand the frustration of slow data transfers and the hassle of device compatibility issues.
That's why LetLinkSo comes—to make your digital experience seamless and enjoyable.
New Release
MCIO Cable
Card
Cable

LetLinkSo Gen5 PCIe 5.0 U.2 to M.2 Adapter Card SFF-8639 to M2 NVMe SSD Cable

Compared

	PCIeG5 M.2 to U.2 Right	PCIeG5 M.2 to U.2 Adapter	PCIeG4 M.2 to U.2 Adapter	Gen5 MCIOx8 to U.2 Cable	PCIe4.0 Oculink 4i
Customer Reviews	—	—	—	—	—
Price	—	—	—	—	—
Brand:	LetLinkSo	LetLinkSo	LetLinkSo	LetLinkSo	LetLinkSo
Connectivity Technology:	PCIe 5.0	PCIe 5.0	PCIe 4.0	PCIe 5.0	PCIe 4.0
Lanes:	4	4	4	8	4
Cable Length:	1.6 feet (50 cm)	1.6 feet (50 cm)	1.6 feet (50 cm)	2.1 feet (65 cm)	1.6 feet/3.3 feet
Connector Gender:	Male-to-Female	Male-to-Female	Male-to-Female	Male-to-Female	Male-to-Male
Data Transfer Rate:	Up to 128 Gbps	Up to 128 Gbps	Up to 64 Gbps	Up to 256 Gbps	Up to 64 Gbps

Compared

PCIeG5 M.2 to U.2 Right	PCIeG5 M.2 to U.2 Adapter	PCIeG4 M.2 to U.2 Adapter	Gen5 MCIOx8 to U.2 Cable	PCIe4.0 Oculink 4i
Customer Reviews	Customer Reviews	Customer Reviews	Customer Reviews	Customer Reviews
—	—	—	—	—
Price	Price	Price	Price	Price
—	—	—	—	—
Brand:	Brand:	Brand:	Brand:	Brand:
LetLinkSo	LetLinkSo	LetLinkSo	LetLinkSo	LetLinkSo
Connectivity Technology:	Connectivity Technology:	Connectivity Technology:	Connectivity Technology:	Connectivity Technology:
PCIe 5.0	PCIe 5.0	PCIe 4.0	PCIe 5.0	PCIe 4.0
Lanes:	Lanes:	Lanes:	Lanes:	Lanes:
4	4	4	8	4
Cable Length:	Cable Length:	Cable Length:	Cable Length:	Cable Length:
1.6 feet (50 cm)	1.6 feet (50 cm)	1.6 feet (50 cm)	2.1 feet (65 cm)	1.6 feet/3.3 feet
Connector Gender:	Connector Gender:	Connector Gender:	Connector Gender:	Connector Gender:
Male-to-Female	Male-to-Female	Male-to-Female	Male-to-Female	Male-to-Male
Data Transfer Rate:	Data Transfer Rate:	Data Transfer Rate:	Data Transfer Rate:	Data Transfer Rate:
Up to 128 Gbps	Up to 128 Gbps	Up to 64 Gbps	Up to 256 Gbps	Up to 64 Gbps

In a world where digital connectivity is the lifeblood of our daily lives, LetLinkSo is the pulse that keeps the rhythm steady.
We understand the frustration of slow data transfers and the hassle of device compatibility issues.
That's why LetLinkSo comes—to make your digital experience seamless and enjoyable.
New Release
MCIO Cable
Card
Cable

LetLinkSo Cutting-edge M.2 to U.2 Adapter PCIe 5.0

Enhanced System Performance: This M.2 to U.2 NVMe SSD adapter is engineered to effortlessly expand your system's potential by integrating U.2 PCIe NVMe SSDs, delivering high-speed performance through your motherboard's M.2 2280 M key compatible slot.

Ultra-Fast Data Transfers: Future-proof your storage with support for the latest PCIe 5.0 U.2 to M.2 NVMe adapter, offering a staggering theoretical maximum transfer speed of 128 Gbps.

Easy Installation: Forget complicated setup processes. This M.2 to U.2 cable is ready to roll right out of the box, with no drivers or software needed.

Backward Compatibility: Designed with versatility in mind, this M.2 to U.2 NVMe adapter is compatible with a range of PCIe generations, including 4.0, 3.0, 2.0, and 1.0.

Durable Design: Built to last, this U.2 to M.2 adapter cable is constructed with premium materials to ensure enduring reliability, even under the most demanding conditions.

Don't settle for slow. Invest in this M.2. PCI-e NVMe to U.2 SFF-8639 adapter.

Product Specifications:
Connector A: M.2 M key 2280
Connector B: SFF-8639(U.2)
Connector Gender: Male to Male
Data Transfer Rate: Up to 128 Gbps
Lanes: 4
Compliance Standards: SCSI (SAS), PCIe 5.0, 4.0, 3.0, 2.0, 1.0

Product information

Brand	LetLinkSo
Connector Type	M.2 M Key 2280, Straight Sff-8639 U.2
Cable Type	PCIe 5.0 \ SAS
Compatible Devices	SSD, Server
Special Feature	Backward Compatibility, Custom OEM/ODM and Bulk Supply, Effortless Installation, Enhanced System Performance, PCIe 5.0 Speed
Other Special Features of the Product	Backward Compatibility, Custom OEM/ODM and Bulk Supply, Effortless Installation, Enhanced System Performance, PCIe 5.0 Speed
Connector Gender	Male-to-Male
Data Transfer Rate	128 Gigabits Per Second
Number of Pins	31
Frequency	128 GHz
Recommended Uses For Product	Big Data, Data Center, HPC, Virtualization and Cloud Computing
Specification Met	RoHS
Indoor Outdoor Usage	Indoor
Color	Black
Outer Material	Nylon, Polybutylene Terephthalate(PBT), Polyvinyl Chloride (PVC)
Brand Name	LetLinkSo
Model Name	High Speed PCIe 5.0 M.2 to U.2 Adapter
Customer Package Type	Standard Packaing
Model	Right Exit
Manufacturer	DataLink Sphere
Item Length	19.6 Inches
Included Components	PCIe 5.0 M.2 to U.2 Adapter x 1
Item Weight	1.68 Ounces
Number of Items	1

Details
Color	Black
Cable Length	1.6ft (50cm)
Specifications	Right Exit

Connectors
Connector A	M.2 M key 2280
Connector B	SFF-8639(U.2)
Terminal Gender	Male-to-Male
Connector Style	Straight

Features
Features	ENHANCED SYSTEM PERFORMANCE

Dimensions & Weight
Weight	1.68 ounces

Package Contents
Package Quantity	1
Package Contents	PCIe 5.0 M.2 to U.2 Adapter x 1

Disclaimer
Disclaimer	PCIe 5.0 M.2 to U.2 Adapter x 1, true

Manufacturer Warranty
Parts	1 Year
Labor	1 Year

Additional Information
First Listed on Newegg	May 10, 2026

Warranty & Returns

Warranty, Returns, And Additional Information

Return Policies*

Return for refund within: 30 days
Return for replacement within: non-replaceable
This item is covered by SongFengQiaoMaoYiShangDian Return Policy
*Subject to applicable law
Warranty Notice:
This product does not include manufacturer warranty when purchased or used outside of its designated sales region. By purchasing internationally, you acknowledge that warranty support from the manufacturer will not be available.

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LetLinkSo PCIe 5.0 M.2 to U.2 Adapter, M.2 to SFF-8639 U.2 NVMe SSD Cable with 15Pin Power, Right Exit, 1.6ft (50cm)

New Release

MCIO Cable

Card

Cable

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MCIO Cable

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Product information

Learn more about the LetLinkSo LLS-CB-1MT1UT-01

Customer Reviews of the LetLinkSo LLS-CB-1MT1UT-01

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Warranty, Returns, And Additional Information

Return Policies*

Manufacturer Contact Info

Brand	LetLinkSo
Series	M.2 to U.2 Adapter
Model	LLS-CB-1MT1UT-01
Part Number	LLS-CB-1MT1UT-01

Item#: 9SIC5S4KW76529

Meet Your Seller

LetLinkSo PCIe 5.0 M.2 to U.2 Adapter, M.2 to SFF-8639 U.2 NVMe SSD Cable with 15Pin Power, Right Exit, 1.6ft (50cm)

New Release

MCIO Cable

Card

Cable

Compared

Compared

New Release

MCIO Cable

Card

Cable

Product information

Learn more about the LetLinkSo LLS-CB-1MT1UT-01

Customer Reviews of the LetLinkSo LLS-CB-1MT1UT-01

Warranty & Returns

Warranty, Returns, And Additional Information

Return Policies*

Manufacturer Contact Info