HPE 874251-001 — Ethernet 100Gb/s 1-Port 842QSFP28 Adapter
Technical Identity
The HPE 874251-001 is an HPE Synergy/ProLiant-qualified 100GbE single-port QSFP28 Ethernet adapter — HPE model designation 842QSFP28 — based on Mellanox ConnectX silicon (ConnectX-4 or ConnectX-5 depending on production batch). HPE-validated for ProLiant Gen9/Gen10 and Synergy platforms. Delivers RoCE v2 and NVMe-oF offloads at 100GbE line rate. Condition: Refurbished Grade A.
Specifications

Brand: HPE (OEM Mellanox)
HPE PN: 874251-001
HPE model: 842QSFP28
Product type: Ethernet Network Adapter (NIC)
Ports: 1× 100GbE QSFP28
Protocol: Ethernet (100GbE)
Server qualification: HPE ProLiant Gen9/Gen10, Synergy
Offloads: RoCE v2, NVMe-oF, SR-IOV
Condition: Refurbished Grade A

What This Is NOT

NOT InfiniBand. Ethernet 100GbE only.
NOT dual-port. Single QSFP28 port only.
NOT a standard NVIDIA retail card. HPE OEM part — may require HPE-specific SPP firmware bundle when used in ProLiant/Synergy. Verify compatibility outside HPE platforms before deploying.
NOT supplied with QSFP28 transceivers or cables.

Compatibility & Constraints

Primary platform: HPE ProLiant Gen9/Gen10 and Synergy servers.
Network: Any 100GbE QSFP28-capable switch — NVIDIA Spectrum / Spectrum-2 or equivalent vendor switch.
Software: HPE SPP (Service Pack for ProLiant) for firmware management. MLNX_OFED or inbox driver for data-path functions.

Frequently Asked Questions (FAQ)
Q. What is the HPE 874251-001?
HPE 842QSFP28 Ethernet adapter: single 100GbE QSFP28 port. HPE OEM Mellanox-based NIC qualified for ProLiant Gen9/Gen10 and Synergy. RoCE v2, NVMe-oF, SR-IOV.
Q. Is HPE 874251-001 InfiniBand capable?
No — Ethernet 100GbE only.
Q. Can HPE 874251-001 be used in non-HPE servers?
Possibly — underlying Mellanox silicon is standard. HPE OEM firmware may restrict features outside ProLiant/Synergy. Verify before deploying.
Q. What does 842QSFP28 mean?
HPE internal model designation: 100GbE single-port QSFP28. The 841QSFP28 is the dual-port variant.
Q. What condition does T.E.S IT-SOLUTIONS supply?
Refurbished Grade A — EEPROM-verified, link-tested, cosmetically inspected, EU stock.
Why buy from T.E.S IT-SOLUTIONS
T.E.S IT-SOLUTIONS is a Europe-based data-center networking specialist. Every unit is MPN-identified, EEPROM-verified, and cosmetically inspected before leaving our EU warehouse. Multi-currency invoicing, worldwide express shipping, and free pre-sale technical consultation included.