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NVIDIA MCX653105A-HDAT Mellanox ConnectX®-6 VPI Adapter Card, HDR IB (200Gb/s) and 200GbE, Single-port QSFP56, PCIe3.0/4.0 x16, Tall Bracket
NVIDIA MCX653105A-HDAT Mellanox ConnectX®-6 VPI Adapter Card, HDR IB (200Gb/s) and 200GbE, Single-port QSFP56, PCIe3.0/4.0 x16, Tall Bracket
NVIDIA MCX653105A-HDAT Mellanox ConnectX®-6 VPI Adapter Card, HDR IB (200Gb/s) and 200GbE, Single-port QSFP56, PCIe3.0/4.0 x16, Tall Bracket
P/N: MCX653105A-HDAT
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Product Highlights

Single-Port QSFP56 for HDR InfiniBand & 200GbE Dual-Protocol
Sub-600ns Latency with 215M Messages/Second Throughput
Hardware-Accelerated XTS-AES Encryption (FIPS-Capable)
PCIe 4.0 x16 Interface with Gen 3/4 Compatibility
End-to-End QoS & Congestion Control for Predictable Performance
NVMe-over-Fabrics& In-Network Computing Support
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Specifications
Q&A
Reviews
Resources
NVIDIA MCX653105A-HDAT Mellanox ConnectX®-6 VPI Adapter Card, HDR IB (200Gb/s) and 200GbE, Single-port QSFP56, PCIe3.0/4.0 x16, Tall Bracket
Complex workloads demand ultra-fast processing of high-resolution simulations, extreme-size datasets, and highly-parallelized algorithms. As these computing requirements continue to grow, NVIDIA Quantum InfiniBand—the world’s only fully offloadable, In-Network Computing acceleration technology—provides the dramatic leap in performance needed to achieve unmatched results in high performance computing (HPC), AI, and hyperscale cloud infrastructures—with less cost and complexity. NVIDIA® ConnectX®-6 InfiniBand smart adapter cards are a key element in the NVIDIA Quantum InfiniBand platform. ConnectX-6 provides up to two ports of 200Gb/s InfiniBand and Ethernet(1) connectivity with extremely low latency, high message rate, smart offloads, and NVIDIA In-Network Computing acceleration that improve performance and scalability.
Specifications
Brand
NVIDIA
Technology
VPI
Ports
Single
Port Type
QSFP56
Data Rate
(Eth) 1, 10, 25, 40, 50, 100, 200GbE; (IB) SDR, DDR, QDR, FDR, EDR, HDR100, HDR
Host Interface
PCIe 3.0/4.0×16
Input Voltage
12v
Max. Power Consumption
19.3W
Operating Temperature
0 to 55°C (32 to 131℉)
Storage Temperature
-40 to 70°C (-40 to 158℉)
Dimensions (W×D)
68.90×167.65mm
Controller
ConnectX-6
Certification
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Questions & Answers
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All (2) Management (1)Scalability (1)
Q:

What port types are available on NVIDIA NICs?

by 5***m on 2025-07-21 15:39:23

A:

They support a variety of speeds and interfaces including 10G, 25G, 100G, and 200G via SFP28, QSFP28, and QSFP-DD.

by CPLIGHT on 2025-07-21 16:58:06

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comment icon Comment 0
Q:

Are these NICs suitable for AI and HPC workloads?

by t***m on 2025-07-21 15:28:50

A:

Yes, especially models like ConnectX-6 and ConnectX-7, which are optimized for high-throughput, low-latency environments.

by Helpful on 2025-07-21 16:57:19

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Customer Reviews
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All (2) Performance (1)Compatibility (1)
L
L***m
2025-06-29 00:34:06
Confirmed Purchase
5.0

Zero packet drops even during stress tests. It's the most stable NIC we've ever deployed in our data center.

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c
c***m
2025-06-23 21:07:00
Confirmed Purchase
5.0

These NICs worked out-of-the-box with our Linux-based servers and major hypervisors including VMware and Proxmox.

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