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Short copper twinax cable with SFP+ plugs on both ends

HPE

HPE JH694A X240 10G SFP+ to SFP+ 0.65m Direct Attach Copper Cable

SKU CH-B7K3-99MJF

Connects network devices at 10 Gbit/s over a 3.94 ft direct-attach copper link

  • TypeNetwork Cable
  • 10 Gbit/s data rate for high-speed network links
  • SFP+ connectors on both ends for direct device attachment
  • 65 m length suits short rack connections
  • 20 lb weight keeps cable routing light
  • HPE X240 design built for campus network deployments

HPE JH694A 10G SFP+ Direct Attach Cable

The HPE JH694A X240 is a 10 Gbit/s direct attach copper cable with SFP+ connectors on both ends. It connects two network devices such as switches or servers inside a rack. The 0.65 m length suits adjacent ports or short runs between neighbouring equipment. Buyers needing longer reach or fibre media should select a different cable.

Thermals and Power in Use

As a passive copper assembly the cable draws no external power and generates no measurable heat during operation. No active cooling or fan airflow is required. The low weight of approximately 0.20 lb adds minimal strain to port cages. Installers should verify that the 3.94 ft span matches the physical layout before deployment.

Build Quality and Daily Handling

The cable uses a fixed SFP+ plug on each end with a latch mechanism that secures the connection. The direct attach construction eliminates separate transceiver modules, reducing insertion loss points. The campus-cable jacket is rated for indoor routing between racks. Technicians should allow enough slack to avoid sharp bends near the connectors.

Highlights

  • 10 Gbit/s data rate for high-speed network links
  • SFP+ connectors on both ends for direct device attachment
  • 65 m length suits short rack connections
  • 20 lb weight keeps cable routing light
  • HPE X240 design built for campus network deployments

Specifications

BrandHPE
TypeNetwork Cable

Questions about this item

How do I install the HPE JH694A 0.65 m direct attach cable and what step is often missed?

Insert each SFP+ connector into a compatible SFP+ port until the latch clicks; the step often missed is confirming the latch is fully engaged on both ends to prevent signal loss.

What maintenance or replacement will the HPE JH694A cable need over time?

The passive copper assembly has no firmware or moving parts; inspect the SFP+ latches and cable jacket periodically and replace the cable if the connectors become loose or the jacket shows kinks.

What limit appears first when the HPE JH694A cable runs at 10 Gbit/s continuously?

The 0.65 m length is the primary limit; it restricts placement to adjacent ports and offers no reach for longer rack runs, so distance constraints surface before any thermal or signal degradation.

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