840140-001 HPE Ethernet 10/25Gb 2-port 640SFP28 Adapter (HPE Option #: 817753-B21)

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1 Year
Price: $189.00
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Product Overview

This item, 840140-001, is the HPE spare part number for the product described as Ethernet 10/25Gb 2-port 640SFP28 Adapter. Further details below.

HPE Option Part #: 817753-B21
HPE Spare Part #: 840140-001

HPE Assembly Part #: n/a


  • Product Line: HPE
  • Model: 640SFP28
  • Processor Brand: Mellanox Technologies
  • Processor Type: Mellanox ConnectX-4 Lx
  • Processors Installed: 1
  • Compliant Standards: IEEE 1588v2, IEEE 802.1ab (LLDP), IEEE 802.1p, IEEE 802.1Q, IEEE 802.1Qau, IEEE 802.1Qaz, IEEE 802.1Qbb, IEEE 802.1Qbg, IEEE 802.3ad (LACP), IEEE 802.3ae, IEEE 802.3az, IEEE 802.3x
  • Connectivity Technology: Wired
  • Data Link Protocols: 10 Gigabit Ethernet, 25 Gigabit Ethernet
  • Data Transfer Rate: 25 GBps
  • Features: Extended Message-Signaled Interrupts (MSI-X), Full duplex mode, IPv4 support, IPv6 support, Jumbo Frames support, LACP support, Large Send Offload (LSO), LLDP support, Network Virtualization using Generic Routing Encapsulation (NVGRE), PXE support, QoS tagging, Quality of Service (QoS), RDMA over Converged Ethernet (RoCE), RDMA over Converged Ethernet (RoCE) v2, Receive Side Scaling (RSS), TCP Segmentation Offload (TSO), TCP/IP checksum offload, TCP/IP offloading, UDP/IP offloading, UEFI support, Virtual Extensible LAN (VXLAN), VLAN support
  • Form Factor: Plug-in card
  • Host Interface: PCI Express 3.0 x8 / PCI Express 3.0 x4
  • PCI Specification Revision: PCIe 3.0
  • Product Type: Network adapter
  • Remote Management: SNMP
  • Status Indicators: Link/activity
  • Interface Provided: 2 x 25Gb Ethernet - SFP28
  • Port Quantity: 2
  • Network & Adapter Ports: 25 Gigabit Ethernet
  • Capacity: Jumbo frame size: up to 9.6 KB
  • Performance: Bandwidth per port: 50 Gbps, Bidirectional throughput: 100 Gbps

Quickspecs for 840140-001

Compatible with:
DL20 Gen10
DL360 Gen10
DL360 Gen9
DL380 Gen10
DL380 Gen9
DL560 Gen10
DL580 Gen10
ML350 Gen10
ML350 Gen9
✅ and possibly others
Contact us via Live Chat if you have any questions about compatibility.

Last updated: 1/24/2024

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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.