AddOn 

AddOn MCX4121A-ACAT-AO MELLANOX COMP 25GBS 2X SFP28 PCIE 3.0 X8 NETWORK INTERFACE CARD

Mfg Part Number:  MCX4121A-ACAT-AO  
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Price: $265.24
Quantity:
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Last Updated: Jan 26, 2026
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This is a Mellanox MCX4121A-aCAT ConnectX-5 EN Network Interface Card, 25GbE Dual Port SFP28, PCIe3.0 x 8 network interface card with a Dual open Port SFP28 port that complies with IEEE 802.3 standards. It is based on an Intel XL710 chipset and is compatible with a variety of different applications and operating systems, including Windows, Linux and Unix-like systems. Providing 25Gbs of network speed, it fully supports high-end servers and various other networking applications. In addition, this card supports high level VLAN filtering. The Dual Port SFP28 allows users to choose from a range of SFP28 transceivers to accommodate multi-mode (MMF) and single-mode (SMF) fiber, granting customizable reach. This product includes both half-height and full-height brackets. Our network interface cards are 100% compliant, and offer a cost effective solution for all of your network upgrade needs. With our certification test program, we guarantee your product will work right the first time.
Main Specification
General Information
Manufacturer AddOn
Manufacturer Part Number MCX4121A-ACAT-AO
Manufacturer Website Address http://www.addoncomputer.com
Brand Name AddOn
Product Name Mellanox 25Gigabit Ethernet Card
Packaged Quantity 1
Product Type 25Gigabit Ethernet Card
Technical Information
Chipset Manufacturer Intel
Chipset Model XL710
Interfaces/Ports
Host Interface PCI Express 3.0 x8
I/O Expansions
Expansion Slot Type SFP28
Media & Performance
Maximum Operating Distance 328.08 ft
Maximum Data Transfer Rate 200 Gbit/s
Fiber Mode Supported Single-mode
Fiber Mode Supported Multi-mode
Physical Characteristics
Height 8"
Width 4"
Depth 1"
Weight (Approximate) 6.40 oz
Miscellaneous
Additional Information
  • Compatible OEM: Mellanox
  • Compatible With OEM Part Number(s): MCX4121A-ACAT
  • Operating System Compatibility Windows
    Operating System Compatibility Windows Server 2008 R2 x64
    Operating System Compatibility Windows 7 x64
    Operating System Compatibility Novell 6.x
    Operating System Compatibility Linux 2.6.x
    Operating System Compatibility Windows CE
    Operating System Compatibility SCO UNIX
    Operating System Compatibility FreeBSD 6.0
    Operating System Compatibility Novell 5.x
    Operating System Compatibility Windows Server 2003 x64
    Operating System Compatibility Windows 7
    Operating System Compatibility FreeBSD 5
    Operating System Compatibility Linux 2.4.x
    Operating System Compatibility Windows NT
    Operating System Compatibility Windows ME
    Operating System Compatibility Windows Server 2003
    Operating System Compatibility Windows Vista x64
    Operating System Compatibility Windows 8 x64
    Operating System Compatibility Windows Server 2008 R2
    Operating System Compatibility Windows Server 2008 x64
    Operating System Compatibility UnixWare
    Operating System Compatibility Windows 98
    Operating System Compatibility Windows 2000
    Operating System Compatibility Windows 8
    Operating System Compatibility Mac OS 10.x
    Operating System Compatibility Windows Server 2008
    Operating System Compatibility Windows 98 SE
    Operating System Compatibility Mac OS X 10.4.x Tiger
    Operating System Compatibility Windows XP
    Operating System Compatibility Windows XP x64
    Operating System Compatibility Windows Vista
    Country of Origin China
    TAA Compliant No
    WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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