Safe checkout
Secure payments
Fast dispatch
1–2 day handling
Free shipping
U.S. ground
Warranty & RMA
Support after delivery
Mellanox MCX516A-GCAT 2-Port 100Gbs QSFP28 PCIE 3.0 x16 Network Card
- 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
Was $360.82 · You save $53.82
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-GCAT 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 Type | Network Interface Card (NIC) |
| Number of Ports | 2 |
| Data Rate | 100Gb/s |
Additional Specifications
| Form Factor | QSFP28 |
| Interface | PCIe 3.0 x16 |
Description
The Mellanox MCX516A-GCAT is a high-performance 2-port 100 Gigabit Ethernet Network Interface Card (NIC) designed to deliver exceptional network speeds and efficiency for demanding data center applications. Equipped with two QSFP28 ports, each capable of 100Gb/s throughput, this card is built for environments that require massive bandwidth and minimal latency, such as AI/ML training clusters, high-performance computing (HPC) environments, and large-scale cloud infrastructures. Utilizing the PCIe 3.0 x16 interface, the MCX516A-GCAT ensures a high-speed connection to the host server, allowing for efficient data transfer and preventing network bottlenecks. This robust interface is critical for maximizing the performance of the 100Gb/s ports and supporting the intensive data demands of modern applications. As part of the Mellanox ConnectX-5 family, this NIC integrates advanced hardware acceleration features, including RDMA (Remote Direct Memory Access) over Converged Ethernet (RoCE), virtual machine (VM) offloads, and advanced congestion control mechanisms. These features contribute to reduced CPU utilization, improved network scalability, and enhanced overall system performance, making the MCX516A-GCAT a powerful solution for next-generation data center networking.
Condition: Refurbished
Free U.S. ground shipping
Typically 1–2 days handling, 3–7 days in transit.
Purchase orders accepted
Government, enterprise, data center and small business.
Buying 10+ units?
Get volume pricing and availability for MCX516A-GCAT.
