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Mellanox CX4121A-ACAT CX4 10G/25G SFP28 Ethernet Network Card

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SKU 177381624562192
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৳18,000.00 /pc
৳20,000.00
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Enhance your server and data center networking with the Mellanox CX4121A-ACAT CX4 25G PCIe3.0 SFP28 NIC, designed for high-speed, low-latency, and reliable connectivity. Ideal for Bangladeshi ISPs, corporate networks, and data centers, this SFP28 NIC delivers 25GbE performance with advanced offload capabilities for virtualization, storage, and high-performance computing workloads.


Built on PCIe 3.0 x8 interface, the CX4121A-ACAT ensures ultra-fast data transfer, minimal latency, and high throughput, supporting RDMA over Converged Ethernet (RoCE) for efficient networking. Compatible with Linux and Windows servers, this Mellanox NIC guarantees seamless integration into existing infrastructure while future-proofing your network.


Technical Specifications:

  • Model: CX4121A-ACAT
  • Interface: PCIe 3.0 x8
  • Form Factor: Low Profile (LP)
  • Ethernet Ports: Dual-port SFP28
  • Supported Ethernet Speeds: 25GbE, 10GbE, 1GbE
  • Data Rate: 25 Gbps (maximum)
  • Latency: Sub-microsecond
  • Protocol Support: RDMA over Converged Ethernet (RoCE v1/v2), iSCSI, FCoE
  • Operating Systems Supported: Linux, Windows Server

Supported Features:

  • RDMA over Converged Ethernet (RoCE)
  • Advanced offload engine for CPU efficiency
  • VLAN tagging, RSS, and flow control
  • Jumbo frame support (up to 9216 bytes)
  • Operating System Support: Linux, Windows Server
  • Power Consumption: ~6W typical
  • MTBF (Mean Time Between Failure): 1,000,000 hours

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