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M.2 M-key to SFF-8643 cable splitting to four SFF-8482 SAS connectors, 100cm

Vszerda

Vszerda M.2 Mkey SFF-8643 to 4-Port SAS SFF-8482 Cable 100cm

SKU CH-DJR9-TKG4K

Connects an M.2 M-key NVME drive to four SAS SFF-8482 ports using a 100cm SFF-8643 cable

  • TypeSAS
  • Length18
  • Connector DetailMini Sas
  • Terminal GenderMale-to-Male
  • SpecificationsSAS
  • ShieldingHigh speed, secure connection
  • High-speed data transfer between M.2 NVME and four SAS 8482 ports
  • Durable construction with secure shielding maintains a stable connection
  • Four SAS 8482 ports enable multi-device server expansion
  • Connects M.2 Mkey SFF-8643 to SAS 8482 for broad server compatibility
  • Plug-and-play design requires no drivers for quick IT setup

M.2 M-key to four SAS 8482 ports

This cable connects an M.2 M-key NVME interface to four SAS SFF-8482 ports using an SFF-8643 contact. It is intended for server administrators who need to attach multiple SAS drives or backplanes through a single M.2 slot. The 100 cm length allows flexible routing inside rackmount chassis.

Replaces direct SFF-8643 breakout cables

The assembly replaces a dedicated SFF-8643-to-8482 breakout when the host only exposes an M.2 M-key NVME connector. The upgrade is worth it when the motherboard or add-in card lacks native SAS ports but provides an unused M.2 slot with PCIe lanes wired for NVME.

Limited by PCIe lane count and protocol bridging

The M.2 NVME interface supplies a finite number of PCIe lanes, so aggregate throughput cannot exceed the host controller's lane allocation. SAS SFF-8482 devices negotiate independently, and the bridge logic must translate NVME commands to SCSI without adding latency that degrades drive response times.

Highlights

  • High-speed data transfer between M.2 NVME and four SAS 8482 ports
  • Durable construction with secure shielding maintains a stable connection
  • Four SAS 8482 ports enable multi-device server expansion
  • Connects M.2 Mkey SFF-8643 to SAS 8482 for broad server compatibility
  • Plug-and-play design requires no drivers for quick IT setup

Specifications

BrandST-JY
ModelM2SFF8643CT-8482
TypeSAS
Length18
Connector DetailMini Sas
Terminal GenderMale-to-Male
SpecificationsSAS
ShieldingHigh speed, secure connection
FeaturesHigh speed, secure connection

Questions about this item

What M.2 slot keying and physical space does the 18 cm cable assembly require?

It plugs into an M.2 M-key socket; the 18 cm tail needs clearance behind the board for the SFF-8643 connector and four breakout leads.

Which orientation do the SFF-8643 and four SFF-8482 plugs seat correctly, and what is the common mistake?

Both connector types are keyed — insert straight until the latch clicks; forcing a reversed SFF-8482 plug is the frequent error.

When should the cable be inspected or replaced in a server running continuous NVME workloads?

Check for bent latch tabs, cracked insulation or intermittent link errors after each chassis service cycle; replace if any SAS port shows persistent CRC faults.

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