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Mellanox MCX4121A-ACST 25GbE Dual-port SFP28 PCIe 3.0 x8 Network Card Adapter

**Mellanox MCX4121A-ACST 25GbE Dual-Port SFP28 PCIe 3.0 x8 Network Adapter** delivers high-speed connectivity for data centers and enterprise networks. Key features include dual 25GbE ports with SFP28 compatibility, PCIe 3.0 x8 bandwidth, and support for RDMA/RoCEv2 for ultra-low latency. Optimized for virtualization (SR-IOV, VMware) and cloud workloads, it ensures efficient data throughput, reduced CPU overhead, and seamless integration with existing 10/25GbE infrastructure. Energy-efficient design and hardware-based security enhance reliability. USP: Combines Mellanox’s proven performance with flexibility for scalable, future-ready networking.

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Port

2

Products Status

New

Speed

25GbE

Packaging Details

BOX / Bulk

Application

Server

Type

SFP28

Warranty

1 Year

Product Name

Mellanox MCX4121A-ACST 25GbE Dual-port SFP28 PCIe 3.0 x8 Network Card Adapter

Interface

PCIe 3.0 x8

Brand

Mellanox

Q1: ls the product original ?

A1 : Yes, all of our products are orginal. We have our own QC team who will strictly check product quality before shipment.

Q2. Payment methods?

We accept T/T, PayPal, Alibaba ect.

Q3. Shipping methods?

We have long term business-ship with FedEx, UPS and DHL with favorble price. You can choose any shipping method mentioned above based on your ease. You can also use your own shipping account or shipping forwarder.

Q4. How long is the lead time?

Usually 1-3 working days after payment. Feel free to send me exact models for checking.

Q5. How long is the warranty period?

Different products have different warranty periods. Usually 1~3 years warranty.

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