We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
SFF-8639 SATA Express 18-pin male-to-male cable .5m

CableCreation

CableCreation SFF-8639 PCI-E SATA 3.2 Express 18pin Male to Male Data Raid Cable .5m

SKU CH-0MMH-PP2RP

Connects an NVMe SSD with a SATA Express port to a matching motherboard port using an 18-pin male-to-male cable .5 m long

  • Connect SSD to SATA Express port
  • 18-pin (7+7+4) male-to-male design
  • SATA 3.2 Express interface support
  • AHCI and NVMHCI/NVMe protocol compatible
  • 5 m cable length for internal routing

SFF-8639 cable for SATA Express SSD

This cable connects an SSD with a SATA Express port to a free SATA Express port on the motherboard. It uses the SFF-8639 standard with an 18-pin (7+7+4) male connector at each end. The .5 m length suits internal routing in compact builds. It is intended for users adding or replacing a SATA Express drive in a system that already provides the matching port.

SATA Express bandwidth and protocol limits

SATA Express combines SATA and PCI Express signalling to deliver higher transfer rates than a single SATA link by using two PCI Express lanes. The cable supports both AHCI and NVMHCI/NVMe protocols, so the drive's controller determines the active protocol. Performance is bound by the host port's lane allocation and the drive's own capabilities, not by the cable itself.

Replaces legacy SATA cables for SATA Express drives

This cable replaces a standard SATA data cable when the storage device and host both expose SATA Express ports. The upgrade is worthwhile only when the system and SSD support PCI Express signalling over the SATA Express interface; otherwise a regular SATA cable is sufficient. It does not add SATA Express capability to hardware that lacks the port.

Highlights

  • Connect SSD to SATA Express port
  • 18-pin (7+7+4) male-to-male design
  • SATA 3.2 Express interface support
  • AHCI and NVMHCI/NVMe protocol compatible
  • 5 m cable length for internal routing

Specifications

No published specifications for this item yet.

Questions about this item

Which length should I choose for my build?

The cable is supplied in a single .5 metre length, so no alternative versions or capacities exist to select from.

What does the 3.2 rating mean for real-world throughput?

It indicates SATA 3.2 specification support, allowing the link to run at up to 6 Gbps per lane when both host and drive negotiate that speed.

How does the SFF-8639 interface limit performance in practice?

The 18-pin SFF-8639 connector carries two PCIe lanes plus SATA signals, so maximum bandwidth is capped by the host controller's PCIe generation and the drive's own capabilities.

New to this? Which coin should you pay with — what to check, what it costs to pay, and what is never asked for.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.