Home/Network & Accessories/Network Adapters/Mellanox MCX516A-CDAT 2-Port 100Gbs QSFP28 PCIE 3....
Mellanox MCX516A-CDAT 2-Port 100Gbs QSFP28 PCIE 3.0 x16 Network Card

Safe checkout

Secure payments

Fast dispatch

12 day handling

Free shipping

U.S. ground

Warranty & RMA

Support after delivery

Mellanox MCX516A-CDAT 2-Port 100Gbs QSFP28 PCIE 3.0 x16 Network Card

SKU MCX516A-CDAT
Brand Mellanox
  • Number of Ports: 2
  • Data Rate: 100Gb/s per port
  • Form Factor: QSFP28
  • Interface: PCIe 3.0 x16
  • Designed for high-performance data centers
  • Supports Ethernet connectivity
  • Low latency and high throughput
  • Ideal for AI, HPC, and cloud workloads
In Stock
$52200

Was $613.76 · You save $91.76

Key specifications

See full specs ↓
Product Type
Network Interface Card (NIC)
Number of Ports
2
Data Rate
100Gb/s
Form Factor
QSFP28
Interface
PCIe 3.0 x16

Product details

The Mellanox MCX516A-CDAT is a 2-port 100Gb/s QSFP28 network interface card (NIC) that utilizes a PCIe 3.0 x16 interface. It is designed for high-performance networking in data centers.

Technical Information

Product TypeNetwork Interface Card (NIC)
Number of Ports2
Data Rate100Gb/s

Additional Specifications

Form FactorQSFP28
InterfacePCIe 3.0 x16

Description

The Mellanox MCX516A-CDAT is a high-performance 2-port 100 Gigabit Ethernet Network Interface Card (NIC) engineered for the most demanding data center environments. Featuring QSFP28 ports, each capable of delivering 100Gb/s of bandwidth, this card provides exceptional network connectivity for servers and storage systems. Its design focuses on delivering ultra-low latency and high throughput, essential for applications like AI training, large-scale simulations, and high-frequency trading. Connected via a PCIe 3.0 x16 interface, the MCX516A-CDAT ensures that the host system can sustain the high data rates offered by the network ports without becoming a bottleneck. This makes it suitable for high-performance computing (HPC) clusters, cloud computing platforms, and advanced data analytics workloads that require rapid data movement. As part of Mellanox's ConnectX-5 family, this NIC incorporates advanced acceleration engines and features designed to optimize network performance and efficiency. These include capabilities for RDMA (Remote Direct Memory Access) over Converged Ethernet (RoCE), network virtualization, and congestion control, all contributing to a more robust and responsive network infrastructure. The MCX516A-CDAT is a key component for building next-generation data center networks.

Condition: Refurbished

Free U.S. ground shipping

Typically 12 days handling, 37 days in transit.

Purchase orders accepted

Government, enterprise, data center and small business.

Warranty & RMA support

See warranty and returns.

Buying 10+ units?

Get volume pricing and availability for MCX516A-CDAT.

Running security check — you can keep filling the form.

Questions about this part?

Compatibility, condition, lead times — ask a specialist.

(888) 988-8093

Related products

Loading related inventory…
Mellanox MCX516A-CDAT 2-Port 100Gbs QSFP28 PCIE 3.0 x16 Network Card | CoreRex