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Black SlimSAS SFF-8654 4i male to U.2 SFF-8639 female cable with 15-pin SATA power, 1.6ft

Vszerda

Vszerda LLS-CB-1SS1UT-01 SFF-8654 4i to U.2 SFF-8639 NVMe cable 1.6ft

SKU CH-9GA5-AWDQA

A 1.6 ft SlimSAS SFF-8654 4i to U.2 SFF-8639 cable with 15-pin SATA power connects NVMe SSDs at PCIe 4.0 speeds

  • Connector genderMale-to-Female
  • Product typePCIe 4.0 \ SAS
  • Product colorBlack
  • Overall length19.7
  • 16 GT/s transfer speed across 4 lanes for rapid data processing
  • PCIe 4.0 specification compliance ensures enterprise-grade reliability
  • SFF-8654 4i male to U.2 SFF-8639 female connects NVMe SSDs directly
  • 15-pin SATA power connector supplies drive power through the cable
  • 6 ft length fits compact server and workstation chassis

SlimSAS SFF-8654 to U.2 SFF-8639 NVMe cable

This PCIe 4.0 cable connects a male SFF-8654 4i port to a female U.2 SFF-8639 NVMe SSD. It is built for users who need to add high-speed NVMe storage to systems with a SlimSAS interface. The 1.6ft length suits compact server or workstation chassis. It includes a 15-pin SATA power connector for the drive.

Straight male-to-female connectors simplify the link

The straight SFF-8654 4i and straight U.2 SFF-8639 ends plug directly into the motherboard or backplane and the SSD without angled adapters. Route the 50cm cable cleanly to avoid sharp bends near the latch. Ensure the 15-pin SATA power lead reaches the power supply. Verify the host port is wired for PCIe 4.0 x4, not SATA, or the drive will not be detected.

Four lanes at 16 GT/s deliver full PCIe 4.0 x4

This headroom handles demanding NVMe workloads such as database logging, virtualization storage and large dataset ingestion. The link runs out when the host controller or SSD hits its own queue-depth or thermal limits. It does not support SATA protocol drives on the U.2 side. Builders needing more than four lanes must use a different host connector.

How it compares

Measured against everything we stock in SATA & eSATA Drive Cables, at today’s prices. Recalculated every night.

Price $34.99
Pricier than about 90% of the 1,954 comparable items (median $13.99).

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Specifications

Product
Brand nameVszerda
Model nameLLS-CB-1SS1UT-01
Product typePCIe 4.0 \ SAS
Product colorBlack
Ports & slots
Connector genderMale-to-Female

Questions about this item

How can I verify the cable is delivering the rated 16 GT/s transfer rate after connecting it?

The link speed is negotiated by the host controller and NVMe SSD; check the PCIe link width and speed in your operating system or BIOS to confirm it is running at PCIe 4.0 x4.

What connectors and accessories are included with the 1.6ft cable, and what must I source separately?

The cable has a male SFF-8654 4i plug on one end and a female U.2 SFF-8639 receptacle with a 15-pin SATA power connector on the other; you must provide the NVMe SSD and a SATA power cable from your power supply.

Which version of this cable should I choose for a PCIe 4.0 NVMe drive?

This model LLS-CB-1SS1UT-01 is built to the PCIe 4.0 specification and supports 16 GT/s across 4 lanes, making it the correct choice for PCIe 4.0 NVMe SSDs.

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