* Delivering HP Enterprise products to IT Professionals worldwide since 2003 *

647594-B21 HPE Ethernet 1Gb 4-port 331T Adapter (HPE Spare #: 649871-001)


(2 reviews) Write a Review
NEXT DAY Delivery available if ordered by 5pm ET M-F or FREE Ground shipping in USA
In Stock: Qty 55
1 Year


Price: $151.00
Today's Price: $109.00
Qty 6+:
Qty 12+:

Product Overview

This item, 647594-B21, is the HPE option part number for the product described as Ethernet 1Gb 4-port 331T Adapter. Further details below.

HPE Option Part #: 647594-B21
HPE Spare Part #: 649871-001

HPE Assembly Part #: n/a


  • Brand: HPE
  • Model: 331T
  • Manufacturer: Hewlett-Packard
  • Processor Brand: Broadcom
  • Processor Number: BCM5719
  • Processors Installed: 1
  • Cable Type: Ethernet 1000Base-T, Ethernet 100Base-TX, Ethernet 10Base-T
  • Compliant Standards: IEEE 802.1as, IEEE 802.1Q, IEEE 802.3, IEEE 802.3ab, IEEE 802.3ad (LACP), IEEE 802.3az, IEEE 802.3u, IEEE 802.3x
  • Connectivity Technology: Wired
  • Data Link Protocols: Ethernet, Fast Ethernet, Gigabit Ethernet
  • Data Transfer Rate: 1 GBps
  • Features: Jumbo Frames support, Large Send Offload (LSO), PXE support
  • Form Factor: Plug-in card
  • Host Interface: PCI Express 2.0 x4
  • PCI Specification Revision: PCIe 2.0
  • Product Type: Network adapter
  • Status Indicators: Link/activity, Port transmission speed
  • Compatible Slots Required: 1 x PCI Express 2.0 x4
  • Interface Provided: 4 x 1000Base-T - RJ-45
  • Port Quantity: 4
  • Network & Adapter Ports: 10/100/1000

Compatible with:
✅ DL120 Gen9
✅ DL160 Gen8/Gen9
✅ DL180 Gen9
✅ DL320e Gen8
✅ DL360 Gen10/Gen9
✅ DL360e Gen8
✅ DL360p Gen8
✅ DL380 Gen10/Gen9
✅ DL380e Gen8
✅ DL380p Gen8
✅ DL385p Gen8
✅ DL388 Gen9
✅ DL560 Gen10/Gen8
✅ DL580 Gen10
✅ DL60 Gen9
✅ DL80 Gen9
✅ ML110 Gen10
✅ ML150 Gen9
✅ ML310e Gen8/v2
✅ ML350 Gen10/Gen9
✅ ML350e Gen8
✅ ML350p Gen8
✅ SL230s Gen8
✅ SL250s Gen8
✅ SL270s Gen8
✅ SL4540 Gen8
✅ and possibly others
Contact us via Live Chat if you have any questions about compatibility.

Quickspecs for 647594-B21

Last updated: 1/15/2023

Shopper Approved Widget

Why Global One?

  • Trusted by thousands. Over 32,000 customers in 100+ countries trust Global One Technology to deliver mission-critical HP Enterprise hardware - including Fortune 500 businesses, schools, hospitals, and federal, state, and local goverment agencies.
  • HPE is our specialty! We only sell genuine HP Enterprise parts.
  • EASY ordering process. Purchase online now with credit card or PayPal!
  • FAST shipping. Global One Technology ships orders received by 5pm the same day and offers NEXT DAY delivery to US customers.


(2 reviews) Write a Review

2 Reviews Hide Reviews Show Reviews

  • 5

    Posted by Yolanda on Aug 03, 2021

    They always have stock of the parts we need

  • 5
    Very good

    Posted by Luke G / Little Rock, AR on Mar 14, 2016

    Delivery was on time, product works as advertised