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P18455-B21 — Network Technical Data

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HPE · NIC 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 NIC 562SFP+ 10GbE 2-Port PCI-E-3.0x8 Ethernet Controller (Intel X710). Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
P18455-B21
SPECIFICATIONS
Part NumberP18455-B21
ManufacturerHPE
Interface10GbE
Capacity10GB
COMPONENT DIAGRAM
NIC CTRL PHY 0 PHY 1 ROM VRM 10GbE 10GbE LINK ACT PCIe x8 ~167 mm NETWORK ADAPTER | 2-PORT 10GbE | 10GbE | Full Height PCIe x8 | Link/Activity LEDs | PXE boot ROM TITLE NIC ADAPTER PN P18455-B21 MFR HPE HP NIC 562SFP+ 10GbE 2-Port PCI-E-3.0x8
KEY FEATURES
•
10GbE Interface
•
10GB 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
727055-B21Compatible
HP NIC 562SFP+ 10GbE 2-Port PCI-E-3.0x8 Ethernet Controller (Intel X710)
compatible
790316-001Compatible
HP NIC 562SFP+ 10GbE 2-Port PCI-E-3.0x8 Ethernet Controller (Intel X710)
compatible
784304-001Compatible
HP NIC 562SFP+ 10GbE 2-Port PCI-E-3.0x8 Ethernet Controller (Intel X710)
compatible
LIFECYCLE
StatusUNKNOWN
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
THIS PART SUBSTITUTES FOR 3
727055-B21SUBSTITUTE
HP NIC 562SFP+ 10GbE 2-Port PCI-E-3.0x8 Ethernet Controller (Intel X710) for DX Servers
HPE
784304-001SUBSTITUTE
HP NIC 562SFP+ 10GbE 2-Port PCI-E-3.0x8 Ethernet Controller (Intel X710) for DX Servers
HPE
790316-001SUBSTITUTE
HP NIC 562SFP+ 10GbE 2-Port PCI-E-3.0x8 Ethernet Controller (Intel X710) for DX Servers
HPE
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FREQUENTLY ASKED QUESTIONS
What is P18455-B21?
P18455-B21 is a HP NIC 562SFP+ 10GbE 2-Port PCI-E-3.0x8 Ethernet Controller (Intel X710) manufactured by HPE.
What parts can replace P18455-B21?
There are 3 known substitutes for P18455-B21: 727055-B21, 790316-001, 784304-001. Substitute compatibility should be verified for your specific system.
Is P18455-B21 still available?
P18455-B21 is currently Unknown.
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PartsTable Design LLC · partstable.com
Last verified: September 2026