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A 0.5 metre Mini SAS SFF8643 to U.2 SFF8639 cable with integrated 15 pin power connector

SMUGDESK

SMUGDESK Mini SAS SFF8643 to U.2 SFF8639 Cable 15Pin Power .5m

SKU CH-JS2X-GMRZZ

Connects Mini SAS SFF8643 to U.2 SFF8639 NVMe drives with integrated 15pin power and 16GT/s PCIe 4lane speed in a .5m length

  • Direct U.2 NVMe SSD connection via Mini SAS SFF8643 host port
  • Integrated 15-pin power connector eliminates separate power cable requirement
  • PCIe 4-lane design enables 16GT/s high-speed data transfer
  • Compact 0.5m length simplifies internal routing in tight server chassis
  • Compatible with servers, workstations, RAID controllers and storage systems

Mini SAS SFF8643 to U.2 SFF8639 Cable

This SMUGDESK cable connects a Mini SAS SFF8643 host port directly to a U.2 SFF8639 NVMe SSD. An integrated 15pin power connector supplies stable power to the drive without requiring a separate cable. The .5 metre length suits compact server chassis and workstation builds. It follows the IOCAB40121 form factor for enterprise storage expansion.

Replaces separate data and power cables

The combined data and power design removes the need for an extra power lead when adding U.2 drives to a compatible controller. The upgrade is worthwhile when your backplane or RAID card provides SFF8643 ports and you want a cleaner internal layout. PCIe 4lane 16GT/s support maintains high throughput for demanding storage workloads.

Check host port and drive compatibility

Verify that your server or controller exposes a Mini SAS SFF8643 connector and that the target SSD uses a U.2 SFF8639 interface. Ensure the chassis has enough clearance for the .5 metre cable route and that the 15pin power connector matches the drive's power input. This cable does not adapt other port types or form factors.

How it compares

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

Price $24.99
Cheaper than about 55% of the 1,224 comparable items (median $26.99).

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Specifications

No published specifications for this item yet.

Questions about this item

What clearance does the 0.5m IOCAB40121 cable need behind a SFF8643 port?

The 19.68in length requires minimal rear clearance; route the 15pin power branch alongside the 4lane data path without sharp bends.

Which step is often missed when seating the SFF8639 connector onto a U.2 NVMe drive?

Fully insert the 15pin power plug until the latch clicks, then lock the 8639 data end; the drive will not power on if the power side is loose.

When should the 15pin power contacts on this SFF8639 cable be inspected in a continuous RAID array?

Check the 15pin contacts during scheduled drive swaps or chassis cleaning cycles; reseat if oxidation or intermittent power appears.

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