P08443-B21 - HPE Intel E810-XXVDA2 Ethernet 10/25Gb 2-Port SFP28 Adapter

HPE P08443-B21 — Intel E810-XXVDA2 10/25Gb 2-port SFP28 PCIe Adapter (for ProLiant)

What it is

P08443-B21 is an HPE-branded Intel E810-XXVDA2 network adapter.
It’s a dual-port 10/25GbE SFP28 PCIe card for HPE ProLiant servers. In plain terms: a modern, high-throughput NIC for servers that need fast fiber (or DAC/AOC) uplinks at 10G or 25G.

Why buyers pick P08443-B21 (plain English)

• Easy jump to 25Gb server networking
  A clean upgrade for virtualization hosts, storage nodes, and high-traffic app servers.

• Two ports for redundancy or bandwidth
  Run active/standby, LACP, or split traffic across separate networks.

• SFP28 flexibility
  Supports 25G optics (SR/LR) or DAC/AOC cables for short links.

• HPE-qualified Intel E810 platform
  Strong driver support and proven performance on Gen10+/Gen11 ProLiant servers.

60-second spec box (P08443-B21)

Adapter family

• Intel E810-XXVDA2 (HPE-branded)

Ports

• 2 × SFP28

Speed

• 10GbE / 25GbE per port (config/rate dependent)

Host interface

• PCIe 4.0 x8

Media

• Fiber via SFP28 transceivers

• Also supports DAC/AOC for short-reach links

Form factor

• Standard full-height PCIe card

Target platforms

• HPE ProLiant Gen10 Plus / Gen11 and newer servers with PCIe Gen4 support

Where it fits (and when to choose something else)

Perfect for:

• ProLiant hosts moving to 25Gb leaf-spine

• vSphere/Hyper-V clusters, HCI nodes, storage servers

• Any server needing redundant high-speed SFP28 uplinks

Choose something else if:

• You only need 10Gb and want low-cost copper → a 10GBASE-T NIC

• You need 100Gb → a QSFP28 100G adapter

TL;DR

P08443-B21 is HPE’s Intel E810-XXVDA2 dual-port 10/25Gb SFP28 PCIe 4.0 NIC:
two high-speed SFP28 ports for 10G/25G fiber or DAC, ideal for modern ProLiant server uplinks.