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Lenovo ThinkSystem Mellanox ConnectX-5 Ex 25/40GbE 2-Port Low-Latency Adapter

Lenovo ThinkSystem Mellanox ConnectX-5 Ex 25/40GbE 2-Port Low-Latency Adapter
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For Government/Education/Business pricing, please call 440.355.8008


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General Information
The ThinkSystem Mellanox ConnectX-5 Ex 25/40GbE 2-port Low-Latency Adapter delivers low sub-600µs latency, extremely high message rates, RoCE v2, NVMe over Fabric offloads and embedded PCIe switch. Mellanox provides the highest performance and lowest latency for the most demanding applications: High frequency trading, Machine Learning, Data Analytics, and more. This adapter ships ready to accept 10GbE, 25GbE or 40GbE network connections.

Interfaces/Ports
Host Interface:PCI Express 4.0 x16
Total Number of Ports:2

I/O Expansions
Expansion Slot Type:QSFP28

Media & Performance
Media Type Supported:Optical Fiber

Network & Communication
Network Technology:40GBase-X
Network Technology:25GBase-X
Network Technology:10GBase-X
Network Technology:1000Base-X

Physical Characteristics
Form Factor:Plug-in Card
Height:2.7"
Depth:5.6"

Miscellaneous
Package Contents:
  • ThinkSystem Mellanox ConnectX-5 Ex 25/40GbE 2-Port Low-Latency Adapter
  • 2 x QSFP28 to SFP28 Transceiver Adapters (QSA28)
  • Full-Height (3U) Bracket
  • Low-Profile (2U) Bracket
  • Documentation Flyer
Device Supported:Server/Switch
Environmentally Friendly:Yes
Environmental Compliance:Restriction of Hazardous Substances (RoHS)

WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.
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Shipping Restrictions
  • This item cannot be shipped to PO Boxes.
  • This item can be shipped only within the U.S.

Special Order Item

This item ships directly from the manufacturer and is not stocked in our warehouse. If stock is available at the manufacturer, the item will ship directly to you, usually within 7 - 15 business days.

Once the order has been sent to the manufacturer it can no longer be canceled.

If payment is made via credit card it will be charged before the order is sent to the manufacturer.

You must contact the manufacturer directly regarding returns and defective items.

We will contact you by email if the item is sold out or backordered (and we were unable to update the site before you placed the order) or if the item will be delayed longer than expected.

We have no control over the speed of the manufacturer's order processing, or whether they will honor your request to ship the item by any particular method.



  • UPC: 889488472956 
  • Mfr's Part #: 4XC7A08229