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Cisco Systems, Inc.

Cisco Systems, Inc. QSFP-H40G-ACU7M= 40G QSFP+ network ethernet cable 22.97 ft

SKU CH-GPCZ-RP36Z MPN QSFP-H40G-ACU7M=

A 40 Gbps QSFP+ direct-attach copper cable, 22.97 ft long with blue QSFP+ connectors on both ends for network device links

  • Cable categoryQSFP+
  • First connectorQSFP+
  • Overall length22.97 ft (7 m)
  • Product colorBlue
  • 40 Gbps direct-attach speed with QSFP+ connectors
  • 97 ft copper reach for rack-to-rack links
  • Blue jacket for quick cable identification
  • Passive copper design needs no external power
  • QSFP+ ends plug straight into network devices

40G QSFP+ Direct-Attach Cable

The Cisco QSFP-H40G-ACU7M= is a 40G QSFP+ direct-attach copper cable built for short-reach network links. It serves data-centre operators and IT teams who need a fixed-length interconnect between switches, routers or servers equipped with QSFP+ ports.

Passive Copper Thermals and Power

Because the assembly uses passive copper conductors, it draws no external power and adds no active cooling noise to the rack. The cable simply conducts signals between two QSFP+ cages, leaving thermal management entirely to the host equipment.

Sustained 40G Signal Integrity

The 22.97 ft length is engineered to maintain 40G throughput over the full span without the signal regeneration that active cables require. It delivers consistent bandwidth for sustained workloads such as storage replication or cluster heartbeats where link stability matters more than brief burst capacity.

How it compares

Measured against everything we stock in Ethernet & LAN Cables, at today’s prices. Recalculated every night.

Price $811.99
Pricier than about 95% of the 9,945 comparable items (median $14.99).

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Specifications

Product
Brand nameCisco
Product colorBlue
Connectivity
Cable categoryQSFP+
Ports & slots
First connectorQSFP+
Size & build
Overall length22.97 ft (7 m)
Shipping weight0.82 kg
Package size320 × 300 × 45 mm

Questions about this item

How do I install the QSFP+ connectors on the 22.97 ft copper cable without damaging the latch?

Align each QSFP+ connector with the port, push straight in until the latch clicks, and pull the release tab — not the cable body — when removing it to avoid bending the internal copper conductors.

What maintenance or replacement will the copper QSFP+ direct-attach cable need over time?

Inspect the QSFP+ latches and copper contacts for dust or bent pins during rack moves; replace the 22.97 ft assembly if link errors appear or the latch no longer secures firmly.

What length-related limit appears first on a 22.97 ft copper QSFP+ link running at 40 Gbps continuously?

Signal attenuation on the copper conductors increases with temperature, so sustained 40 Gbps traffic may hit the bit-error threshold before a shorter assembly would.

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