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Black splitter cable with one QSFP+ end fanning to four SFP+ connectors

HPE

HPE JG331A X240 QSFP+ 4x10G SFP+ 16.40 ft network ethernet cable

SKU CH-RWYC-4014C MPN JG331A

Connects a single QSFP+ port to four SFP+ ports over a 16.40 ft black splitter cable

  • TypeConsumer Electronics
  • Connector A1 x QSFP+
  • Connector B4 x SFP+
  • Length16.40 ft
  • ColorBlack
  • FeaturesCable Characteristic:Splitter Cable
  • Connects one 40G port to four 10G links using QSFP+ to SFP+ splitter design
  • 40 ft length spans adjacent racks without excess cable slack
  • Black jacket blends into standard data-centre colour coding for quick visual identification
  • Passive copper construction needs no external power for low-latency 10G connections
  • Single QSFP+ end plugs directly into compatible switch or server uplink ports

QSFP+ to 4x SFP+ splitter cable

This 16.40 ft HPE JG331A direct-attach cable splits a single QSFP+ port into four independent 10G SFP+ connections. It is designed for network devices that need to fan out one 40G uplink into four 10G downlinks. The passive copper assembly requires no external power or configuration.

Passive copper thermals and power

Because the cable uses passive copper twinax, it draws no power and generates no measurable heat during normal operation. There are no active components, fans or electronics that could produce noise. The assembly simply conducts signals between the QSFP+ and SFP+ ends.

Splitter design simplifies cabling

The 1-to-4 splitter layout reduces the number of individual cables needed to connect four 10G ports to a single 40G port. This saves panel space and eases cable routing in dense racks. Each SFP+ leg terminates in a standard connector compatible with compliant SFP+ transceivers or direct-attach ports.

Highlights

  • Connects one 40G port to four 10G links using QSFP+ to SFP+ splitter design
  • 40 ft length spans adjacent racks without excess cable slack
  • Black jacket blends into standard data-centre colour coding for quick visual identification
  • Passive copper construction needs no external power for low-latency 10G connections
  • Single QSFP+ end plugs directly into compatible switch or server uplink ports

Specifications

BrandHP
ModelJG331A
TypeConsumer Electronics
Connector A1 x QSFP+
Connector B4 x SFP+
Length16.40 ft
ColorBlack
FeaturesCable Characteristic:Splitter Cable
Shipping weight2.26 kg
Package size25 × 25 × 23 mm

Questions about this item

How do I connect the single QSFP+ end and the four SFP+ ends to my switches?

Insert the QSFP+ connector into the 40G uplink port on the aggregation switch, then plug each SFP+ connector into a 10G access port on the edge switch; the step often missed is seating every latch fully so the link lights come up on all four lanes.

What part of this 16.40 ft splitter cable will need replacement first in a live rack?

The SFP+ modules on the four breakout ends see the most insertions and removals, so their latches and electrical contacts wear before the fixed QSFP+ end or the passive copper assembly itself.

At what distance does signal loss become the limiting factor for this 16.40 ft direct-attach cable?

The 16.40 ft length is within the passive copper reach for 10G lanes, so attenuation is not the first limit; instead the 10G per lane ceiling caps throughput before distance degrades the link.

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