Need Help?

Live chat with us

Live Chat

Want to call?

+1 (888) 468 7419

United States


United States


English / $ USD

  • English / $ USD
  • All Categories

  • Support

  • Services

  • Company

  • Community


Cart Loading

NVIDIA MCX4121A-XCAT ConnectX-4 Lx EN Adapter Card 10GbE Dual-Port SFP28 PCIe3.0 x8 Tall Bracket
Click to open expanded view

NVIDIA MCX4121A-XCAT ConnectX-4 Lx EN Adapter Card 10GbE Dual-Port SFP28 PCIe3.0 x8 Tall Bracket

I/O Virtualization
Overlay Networks
Storage Acceleration

US$ 239.00


  • 43 Sold
  • 0 Review
  • 1 Question
395 In Stock, 

In Stock, DE Warehouse


In Stock, Asia Warehouse


In Stock, AU Warehouse


In Stock, RU Warehouse


In Stock, SG Warehouse

U.S. Warehouse
FS U.S. Warehouse located in Delaware, supports fast same day shipping. Learn more
Deliver to
Free Shipping via UPS Ground®, get it by Wed. Mar. 10
The delivery date applies to the inventory items purchased by 5pm EST on business days. After that, your order will ship on the next business day. If your requested quantity exceeds the inventory, it will be dispatched from FS Asia warehouse with Global Shipping Program (GSP).
There may be a delay to your delivery service due to COVID-19 and increased volume. For more tracking details, please refer to My Account.

Please select an option for each attribute.

Please choose a brand.

10 Gigabit SFP+ Dual Port Ethernet Network Adapter

The MCX4121A-XCAT network interface card with 10Gb/s Ethernet connectivity addresses virtualized infrastructure challenges, delivering best-in-class and highest performance to various demanding markets and applications. Providing true hardware-based I/O isolation with unmatched scalability and efficiency, achieving the most cost-effective and flexible solution for Web 2.0, Cloud, data analytics, database, and storage platforms.
Product Specification
PortsDualMax Speed10 GbE
TechnologyEthernetConnector TypeSFP28
System Interface TypePCIe3.0 (8.0 GT/s)RDMAYes
Vertical SegmentServerBracket HeightTall & Short

Quality Certifications
  • This product is in conformity with ISO14001. It is intended for use by an organization seeking to manage its environmental responsibilities in a systematic manner that contributes to the environmental pillar of sustainability. Please contact us to learn more.
  • This product was produced under the requirements of CE to indicate conformity with the essential health and safety. Please contact us to learn more.
  • This product fully accords with the FCC, which aims to manage the radio wave and magnetic fields more reasonably. Please contact us to learn more.
  • CB is an international system operated by IECEE. This product is based on IEC standards for testing the safety performance of electrical products. Please contact us to learn more.
  • This product is RCM compliant, which indicates compliance with electrical safety, EMC, EME and telecommunications legislative requirements. Please contact us to learn more.

Network Connectivity

Direct Connection for Data Center, Clouds and Enterprise Applications with Network Adapters, Transceivers and Fiber Patch Cables.

Cisco SFP-25G-SR-S Compatible 25GBASE-SR SFP28 850nm 100m DOM LC MMF Optical Transceiver Module

US$ 39.00

1mW (5km) FVFL-204 Pen Shape Visual Fault Locator with Standard 2.5mm Universal Adapter

US$ 22.00

1m (3ft) LC UPC to LC UPC Duplex OM4 Multimode PVC (OFNR) 2.0mm Fiber Optic Patch Cable

US$ 4.30

US Conec IBC™ Brand Cleaner LC², for LC Duplex Connectors (525+ Times)

US$ 128.00

NVIDIA MCX4121A-XCAT ConnectX-4 Lx EN Adapter Card 10GbE Dual-Port SFP28 PCIe3.0 x8 Tall Bracket

US$ 239.00

See more

Product Highlights
Unequaled RDMA Capabilities

RDMA allows network traffic to bypass the CPU, avoid the use of TCP, and eliminate extra copies of the data to increase performance and free up CPU cores.

ConnectX® SmartNICs Unequaled RDMA Capabilities

Intelligent Offloads - Higher Performance, Efficiency, Scalability

Most advanced NIC on the market today enabling multiple offloads, including VXLAN, NVMEoF etc. in NIC hardware to save CPU resources of the server, more focused on computing and reduce TCO in HPC, AI, Compute, Storage and Network fields.

ConnectX® SmartNICs Intelligent Offloads - Higher Performance, Efficiency, Scalability

Equipment Compatibility

Mellanox Ethernet adapter cards are tested to support all of the mainstream devices on the market, such as Dell, HPE, Supermicro, Cisco servers, etc.

ConnectX® SmartNICs Equipment Compatibility
Sign in to Ask a Question

Customer Reviews Write a review
Not yet rated. Be the first to write a review

Matching Products
See more

You have shared it successfully.

Leave Feedback about FS

Thanks for visiting FS. For immediate assistance, please visit FS Support or Live Chat with us.

Rate your overall experience with FS*

Poor Excellent

Please select a topic for your feedback.*


If you would like to hear back from us, please leave your contact information.