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P51178-B21 — Network Technical Data

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HP · ACCESSORY · ADAPTER
WHAT YOU NEED TO KNOW
RJ45 = copper (needs CAT6) | SFP+ = fiber (needs transceiver) FLR = FlexibleLOM (HPE integrated) — NOT standard PCIe
Bracket height MUST match chassis — Full Height (2U) vs Low Profile (1U)
PRODUCT OVERVIEW

HP Broadcom BCM5719 Ethernet 1Gb 4-port BASE-T Adapter. Key specifications include SPECIAL FEATURES: 16GB; 4-PORT BASE-T GB, PART NAME ASSIGNED BY CONTROLLING AGENCY: ETHERNET ADAPTER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-01-721-0469, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
ACCESSORY→ ADAPTER→ P51178-B21
NSN: 5998-01-721-0469
FSC: 5998 — CIRCUIT CARD ASSEMBLY
CAGE: 28480 — HEWLETT-PACKARD COMPANY DBA HP (USA)
SPECIFICATIONS
SPECIAL FEATURES16GB; 4-PORT BASE-T GB
PART NAME ASSIGNED BY CONTROLLING AGENCYETHERNET ADAPTER
NSN5998-01-721-0469
COMPONENT DIAGRAM
NIC CTRL PHY 0 PHY 1 ROM VRM SFP+ SFP+ SFP+ SFP+ LINK ACT PCIe x8 ~167 mm NETWORK ADAPTER | 4-PORT 10GbE | SFP+ | Full Height PCIe x8 | Link/Activity LEDs | PXE boot ROM TITLE NIC ADAPTER PN P51178-B21 MFR HP HP Broadcom BCM5719 Ethernet 1Gb 4-port
KEY FEATURES
•
1GB Capacity
TYPICAL APPLICATIONS
  • Data center top-of-rack switching
  • High-speed server interconnects (10G/25G/40G/100G)
  • Storage network fabric (iSCSI, FCoE)
  • Campus and branch network infrastructure
  • Firewall and security appliance connectivity
  • WAN edge and SD-WAN deployments
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURES16GB; 4-PORT BASE-T GB
PART NAME ASSIGNED BY CONTROLLING AGENCYETHERNET ADAPTER
SPECIAL FEATURES16GB; 4-PORT BASE-T GB
PART NAME ASSIGNED BY CONTROLLING AGENCYETHERNET ADAPTER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
92233027Interchangeable
Same NIIN cross-reference
interchangeable
P51304001Primary
HP Broadcom BCM5719 Ethernet 1Gb 4-port BASE-T Adapter
primary
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMATSourcing: other
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Cell board assembly - With 1.1 GHz processor
140-00440-201AM
ORDER 140-00440-103AM
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FREQUENTLY ASKED QUESTIONS
What is P51178-B21?
P51178-B21 is a HP Broadcom BCM5719 Ethernet 1Gb 4-port BASE-T Adapter manufactured by HP. It is classified as a ACCESSORY (ADAPTER).
What parts can replace P51178-B21?
There are 2 known substitutes for P51178-B21: 92233027, P51304001. Substitute compatibility should be verified for your specific system.
What is the NSN for P51178-B21?
P51178-B21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5998-01-721-0469. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: September 2026