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
Black 1m SAS cable SFF8654 38pin to SFF8643 12Gbps 30AWG copper

SMUGDESK

SMUGDESK SAS Cable SFF8654 4i 38Pin to SFF8643 1m 12Gbps 30AWG Copper Black

SKU CH-YX25-07YPM

Connects SFF8654 Slimline SAS to SFF8643 Mini SAS HD at 12Gbps over 1m of 30AWG copper with PCIe 4.0 and SAS 3.0 support

  • Connects SFF8654 Slimline SAS to SFF8643 Mini SAS HD
  • 12 Gbps bandwidth via PCIe 4.0 and SAS 3.0 support
  • 30 AWG pure copper wire reduces signal attenuation and crosstalk
  • Server-grade shielding provides anti-interference performance in data centres
  • 1 metre length suits long-distance routing in large rackmount servers

SFF8654 to SFF8643 interconnect

This 1m cable bridges SFF8654 4i 38pin Slimline SAS and SFF8643 Mini SAS HD interfaces. It targets administrators wiring RAID controllers to enterprise storage arrays inside high-density servers. The direct connection removes the need for intermediate adapters in compatible bays.

PCIe 4.0 and SAS 3.0 protocol limits

The link runs at 12Gbps under both PCIe 4.0 and SAS 3.0 specifications. Bandwidth above that rate is not supported by either standard. Signal integrity is maintained by 30AWG copper conductors and server-grade shielding, but longer runs would exceed the electrical budget of these protocols.

1m reach for full-height rack routing

The metre length covers typical tray-to-backplane distances in large rackmount chassis. It handles four-lane controller-to-enclosure links without signal repeaters. Deployments needing longer internal spans or higher lane counts fall outside this cable's design envelope.

Highlights

  • Connects SFF8654 Slimline SAS to SFF8643 Mini SAS HD
  • 12 Gbps bandwidth via PCIe 4.0 and SAS 3.0 support
  • 30 AWG pure copper wire reduces signal attenuation and crosstalk
  • Server-grade shielding provides anti-interference performance in data centres
  • 1 metre length suits long-distance routing in large rackmount servers

Specifications

No published specifications for this item yet.

Questions about this item

Should I choose the SFF8654 4i or the SFF8643 connector for my controller?

This cable has both ends fixed: one SFF8654 4i 38‑pin Slimline SAS plug and one SFF8643 Mini SAS HD plug. Match each end to the corresponding port on your controller and backplane.

What does the 12Gbps rating deliver in a live server?

The link runs at up to 12Gbps per lane under SAS 3.0 and PCIe 4.0, giving four lanes of high‑bandwidth throughput for RAID controllers and storage arrays.

How do PCIe 4.0 and SAS 3.0 limit the cable in practice?

The cable is built to the PCIe 4.0 and SAS 3.0 electrical specs, so it caps at 12Gbps per lane and cannot exceed the signalling defined by those standards.

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.