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817738-B21 HPE Ethernet 10Gb 2-port 562T Adapter (HPE Spare #: 840137-001)

(5 reviews) Write a Review
NEXT DAY Delivery available if ordered by 5pm ET M-F or FREE Ground shipping in USA
In Stock: Qty 292
1 Year


Price: $458.00
Today's Price: $309.00
Qty 6+:
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Product Overview

This item, 817738-B21, is the HPE option part number for the product described as Ethernet 10Gb 2-port 562T Adapter. Further details below.

HPE Option Part #: 817738-B21
HPE Spare Part #: 840137-001

HPE Assembly Part #: n/a


  • Brand: HPE
  • Model: 562T
  • Processor Type: X550-AT2
  • Compliant Standards: IEEE 802.1as, IEEE 802.1Q, IEEE 802.1Qau, IEEE 802.1Qaz, IEEE 802.1Qbb, IEEE 802.1Qbg, IEEE 802.3ad (LACP), IEEE 802.3x
  • Connectivity Technology: Wired
  • Data Link Protocols: 10 Gigabit Ethernet
  • Data Transfer Rate: 10 GBps
  • Features: Audit logs, Firewall protection, Firmware root of trust, Generic segmentation offload (GSO), HPE Sea of Sensors 3D, IPv4 support, IPv6 acceleration, IPv6 support, Jumbo Frames support, Network Partitioning (NPAR), PXE support, Secure boot, Single Root I/O Virtualization (SR-IOV), TCP Segmentation Offload (TSO), Tunnel offload
  • Form Factor: Plug-in card
  • Host Interface: PCI Express 3.0 x4
  • Product Type: Network adapter
  • Interface Provided: 2 x 10Gb Ethernet - RJ-45
  • Port Quantity: 2
  • Network & Adapter Ports: 10Gb Ethernet

Compatible with:
DL20 Gen10
DL360 Gen10
DL380 Gen10
DL560 Gen10
DL580 Gen10
ML110 Gen10
ML350 Gen10
✅ and possibly others
Contact us via Live Chat if you have any questions about compatibility.

Quickspecs for 817738-B21

Last updated: 9/26/2023

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(5 reviews) Write a Review

5 Reviews Hide Reviews Show Reviews

  • 4
    Thank you

    Posted by Meghan Foster on Jul 07, 2023

    My purchase arrived in pristine condition, thanks to the careful packaging and handling.

  • 5

    Posted by Anna Washington on Mar 18, 2022

    The shipping process was efficient, and my order arrived in excellent condition.

  • 5
    5 stars

    Posted by Matilda Parker on Feb 25, 2022

    The knowledgeable staff provided valuable insights, and I appreciate the level of expertise they brought to the table.

  • 5

    Posted by James Yen on Sep 27, 2021

    I found this site on a Google search and the experience was good. The adapters work perfectly.

  • 5
    Fast shipping

    Posted by Emmaline Parker on Sep 07, 2021

    The staff's expertise and friendly demeanor made my shopping experience all the more enjoyable.


This product is warrantied against hardware failure for a period of 1 Year from the date of purchase. Before making a purchase, please take a moment to review our return policy below.


It is the customer's responsibility to verify compatibility with their machine(s) before placing an order. If an item is ordered by mistake, it can be returned for refund, minus a 25% restocking fee, within 5 business days of receipt. The cost of freight is not refundable.

Please be aware that factory-sealed equipment can only be returned if it remains unopened.

Defective Products

If you have received a defective part and your machine is still within the HPE warranty period, please initiate a warranty exchange by visiting the HPE Enterprise Support Center. Be sure to have the serial numbers of the defective drive and your server/storage array handy.

In case your hardware becomes defective during the Global One warranty period, but the HPE warranty has expired, you can return the product to us for a working replacement. You are responsible for the shipment of returned merchandise. However, we will cover the expense of Ground /Economy shipment for the replacement item(s).

Requesting an RMA

To initiate a return or warranty claim, please complete and submit the RMA Request Form.