HP 655874-B21 MELLANOX QSFP/SFP+ ADAPTER KIT

$24.10 (Ex. GST)

In stock: 3

HP 655874-B21 MELLANOX QSFP/SFP+ ADAPTER KIT

Part Number: HP 655874-B21

Type: QSFP+ to SFP+ Adapter (QSA)

Function: Converts 40GbE QSFP+ port → single 10GbE SFP+ port

Supported Speeds: 10 Gbps (SFP+ side) in a 40 Gbps QSFP+ cage

Form Factor: Compact passive plug-in adapter

Status (2025–2026): Legacy / End-of-Sale – still widely used for 10G-to-40G transitions

Typical Price Range: $20 – $60 (refurbished / NOS)

Connector A: QSFP+ (plugs into QSFP+ port)

Connector B: SFP+ (accepts standard SFP+ transceiver or SFP+ DAC/AOC cable)

Data Rate: 10 Gbps

Supported Optics/Cables: 10G SFP+ SR/LR/ER, 10G DAC, 10G AOC

Power: Passive (draws power from the QSFP+ port)

Compliance: MSA compliant, RoHS

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