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Vszerda

Vszerda SFF-8654 8i 74pin to Dual SFF-8611 4i 38pin SAS Cable 50cm

SKU CH-WK4B-SBMAC

Connects a Slimline SFF-8654 74-pin backplane to dual SFF-8611 38-pin controllers at 24 Gbps SAS per channel

  • TypePCI-E
  • ColorBlack
  • Connector Number74
  • Connector DetailSff-8654
  • Terminal GenderMale-to-Female
  • Speed24 uk_pounds
  • Connect backplane to controller with SFF-8654 74pin to dual SFF-8611 38pin
  • Space-saving slimline connector design fits dense server chassis
  • Four-channel signal transmission meets SAS 4.0 industry standard
  • 24 Gbps SAS and 8 GT/s PCIe per channel data speed
  • 50 cm cable length for internal server and storage routing

Slimline SAS cable for dense server builds

This Vszerda cable bridges a single SFF-8654 8i 74pin backplane connector to two SFF-8611 4i 38pin controller ports. It targets system integrators populating storage-dense chassis where the slim connector footprint frees valuable device space. The 50cm length suits typical internal routing between adjacent backplanes and RAID or HBA cards in rackmount servers and workstations.

Bandwidth ceiling set by SAS 4.0 and PCIe Gen 4

Each of the four lanes carries 24 Gbps for SAS traffic and 8 GT/s for PCIe signalling, matching the published specification for this generation. The aggregate throughput is therefore bounded by the four-lane design; configurations requiring more than four concurrent channels must use additional cables or a wider controller interface. No higher link rate is supported by this assembly.

Shielded 1-to-2 assembly with male-to-female gender

The black cable uses a shielded 1-to-2 construction that reduces crosstalk between the dual SFF-8611 tails. Male-to-female gendering means the 74pin end plugs into a backplane receptacle while the 38pin ends accept controller plugs, a common arrangement for internal drive arrays. The slim profile eases cable management in tight chassis but offers no external locking mechanism beyond the connector latch.

Highlights

  • Connect backplane to controller with SFF-8654 74pin to dual SFF-8611 38pin
  • Space-saving slimline connector design fits dense server chassis
  • Four-channel signal transmission meets SAS 4.0 industry standard
  • 24 Gbps SAS and 8 GT/s PCIe per channel data speed
  • 50 cm cable length for internal server and storage routing

Specifications

BrandVszerda
TypePCI-E
ColorBlack
Connector Number74
Connector DetailSff-8654
Terminal GenderMale-to-Female
Speed24 uk_pounds
SpecificationsPCI-E
Shielding1-to-2 High Speed
Features1-to-2 High Speed

Questions about this item

Should I pick the 50 cm or 40 cm length for my server chassis?

The product ships at 50 cm; the 40 cm figure appears only in an alternate description, so plan cable routing for the longer length.

What does the 24 Gbps per channel rating deliver when the cable is installed?

Each of the four lanes carries up to 24 Gbps SAS or 8 GT/s PCIe, giving aggregate throughput that matches SAS-4.0 and PCIe Gen 4 link speeds.

How does the SFF-8654 to dual SFF-8611 interface limit real-world performance?

The 74-pin SFF-8654 end splits into two 38-pin SFF-8611 OCuLink connectors, capping each 4-lane path at the stated 24 Gbps SAS or 8 GT/s PCIe rate.

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