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
SMUGDESK Mini-SAS HD to U.2 cable SFF-8643 to SFF-8639

SMUGDESK

SMUGDESK Mini-SAS HD to U.2 Cable SFF-8643 to SFF-8639

SKU CH-00EW-4MKK3

Connects a Mini-SAS HD SFF-8643 port to a U.2 SFF-8639 NVMe SSD using 28AWG copper conductors

  • Built-in signal-conditioning IC stabilises transmission and cuts EMI
  • 90° right-angle SATA connectors save chassis space and ease routing
  • SFF-8643 to SFF-8639 link connects NVMe U.2 drives to Mini-SAS HD ports
  • 28 AWG pure copper conductors deliver steady 6 Gbps SATA bandwidth
  • 2 m length supports long-distance wiring in large rackmount servers

SMUGDESK Mini-SAS HD to U.2 Cable

This cable connects a Mini-SAS HD SFF-8643 host port to a U.2 SFF-8639 device interface. It suits administrators adding U.2 NVMe SSDs to servers or RAID controllers that only expose Mini-SAS HD connectors. The integrated signal-conditioning IC helps maintain link integrity across the connection. It is not for builders who need a direct PCIe card edge or M.2 slot connection.

Upgrade from direct backplane wiring

The assembly replaces loose internal routing with a managed 28AWG pure copper link that supports 6Gbps SATA signalling. The jump is worthwhile when the chassis layout forces long runs or tight bends that degrade signal quality on unconditioned cables. The 90-degree right-angle SATA ends ease routing in dense drive bays. It does not serve installations requiring SFF-8644 multilane fan-out to four separate drives.

Sustained load behaviour

The onboard IC chip stabilises transmission during continuous read and write cycles across RAID arrays. Thick-gauge conductors limit voltage drop over the full run length so throughput remains steady under heavy queue depths. The right-angle profile preserves airflow around adjacent drives during prolonged operation. No active cooling or external power is required for the conditioning circuit.

How it compares

Measured against everything we stock in SAS, SCSI, InfiniBand & MCIO Cables, at today’s prices. Recalculated every night.

Price $34.99
Pricier than about 78% of the 1,224 comparable items (median $26.99).

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

Specifications

No published specifications for this item yet.

Questions about this item

What is the connector angle and how much space does the 90-degree right-angle SATA female design save?

The 90-degree right-angle female SATA connectors allow tight routing against drive cages and backplanes, reducing bend radius and improving airflow in dense server chassis.

How is the Mini-SAS HD SFF-8643 end installed, and what is the common mistake with the SFF-8644 breakout?

Insert the SFF-8643 plug firmly until the latch clicks; the frequent error is not fully seating each of the four SATA 7-pin breakout connectors, causing intermittent 6Gbps links.

When should the 28AWG pure copper cable be replaced in a RAID array?

Replace the cable if you see CRC errors, drive drops, or physical kinks near the right-angle bends; the integrated signal-conditioning IC does not degrade, but copper fatigue from vibration can.

More in SAS, SCSI, InfiniBand & MCIO Cables

Similar items