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NVIDIA MCX653105A-HDAT ConnectX-6 200Gb/s InfiniBand Adapter Card – Single-Port QSFP56, PCIe Gen 4.0 x16, Low-Profile
Product Details:
| Brand Name: | Mellanox |
| Model Number: | MCX653105A-HDAT |
| Document: | connectx-6-infiniband.pdf |
Payment & Shipping Terms:
| Minimum Order Quantity: | 1pcs |
|---|---|
| Price: | Negotiate |
| Packaging Details: | outer box |
| Delivery Time: | Based on inventory |
| Payment Terms: | T/T |
| Supply Ability: | Supply by project/batch |
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Detail Information |
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| Products Status: | Stock | Application: | Server |
|---|---|---|---|
| Condition: | New And Original | Type: | Wired |
| Max Speed: | Up To 200 Gb/s | Ethernet Connector: | QSFP56 |
| Model: | MCX653105A-HDAT | ||
| Highlight: | NVIDIA ConnectX-6 InfiniBand adapter,Single-Port QSFP56 network card,PCIe Gen 4.0 low-profile adapter |
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Product Description
The NVIDIA MCX653105A-HDAT ConnectX-6 InfiniBand smart adapter card delivers up to 200Gb/s connectivity in a single-port QSFP56 form factor. Featuring PCIe Gen 4.0 x16 host interface, this low-profile stand-up card provides extremely low latency, high message rate (215 million messages/sec), and advanced hardware offloads that accelerate HPC, AI, and enterprise data center workloads.
Built on the NVIDIA Quantum InfiniBand platform, ConnectX-6 integrates In-Network Computing engines, RDMA with end-to-end flow control, and block-level XTS-AES encryption (FIPS compliant). The MCX653105A-HDAT supports both InfiniBand and Ethernet protocols, enabling flexible deployment across compute and storage infrastructures with reduced CPU overhead and lower total cost of ownership.
- Up to 200Gb/s connectivity per port
- Up to 215 million messages/sec
- Ultra-low latency
- Block-level XTS-AES encryption (256/512-bit key)
- FIPS compliant
- PCIe Gen 4.0 and Gen 3.0 compatible
- In-Network Compute acceleration engines
- RDMA, send/receive semantics
- Hardware-based congestion control
- NVMe-of target and initiator offloads
- RoHS compliant, ODCC compatible
- Supports both 50G SerDes (PAM4) and 25G SerDes (NRZ)
The ConnectX-6 adapter offloads collective operations and MPI tag matching to the network, freeing CPU cycles for computation. Combined with NVIDIA PeerDirect® RDMA (GPUDirect), it enables direct GPU-to-GPU communication for AI and machine learning workloads.
Hardware offload of IEEE AES-XTS encryption/decryption saves latency and CPU utilization, with dedicated encryption keys for multi-tenant protection.
Target and initiator offloads optimize NVMe over Fabrics, enhancing CPU utilization and scalability for storage environments.
InfiniBand (200/100/50/40/25/10Gb/s) and Ethernet (200/100/50/40/25/10/1GbE).
- High-performance computing (HPC) clusters
- AI and machine learning training infrastructure
- Hyperscale cloud and enterprise data centers
- NVMe-of storage systems
- Virtualized networks including NFV
- x86, Power, Arm, GPU, and FPGA-based platforms
| Category | Detail |
|---|---|
| Model | MCX653105A-HDAT |
| Product Family | NVIDIA ConnectX-6 InfiniBand Smart Adapter |
| Ports / Connectors | 1x QSFP56 |
| InfiniBand Speed | 200/100/50/40/25/10 Gb/s |
| Ethernet Speed | 200/100/50/40/25/10/1 Gb/s |
| Message Rate | Up to 215 million messages/sec |
| Host Interface | PCIe Gen 4.0 / Gen 3.0 x16 |
| Encryption | XTS-AES 256/512-bit, block-level hardware |
| FIPS Compliance | Yes |
| Virtualization | SR-IOV (1K VFs), ASAP2, OVS offload |
| Storage Offloads | NVMe-of target/initiator, T10-DIF, SRP, iSER, NFS RDMA, SMB Direct |
| Remote Boot | InfiniBand, Ethernet, iSCSI, UEFI, PXE |
| Form Factor | Low-Profile PCIe Stand-Up (167.65mm x 68.90mm) |
| Bracket | Tall bracket mounted, short bracket included as accessory |
| RoHS Compliance | Yes |
| Management | NC-SI, MCTP over SMBus/PCIe, PLDM, I²C, SPI, JTAG |
200Gb/s with 215M messages/sec for bandwidth-intensive workloads.
XTS-AES block-level offload saves CPU cycles and ensures data-in-motion security.
Offloads MPI, tag matching, and collective operations to the network.
Target and initiator offloads enhance storage performance and scalability.
Compatible with major OS, virtualization platforms, and HPC middleware.
- Switches: NVIDIA Quantum-2, Quantum, Spectrum (InfiniBand/Ethernet)
- Host Interface: PCIe Gen 4.0 / Gen 3.0 x16
- Cables: QSFP56 passive copper, active optical, optical modules
- Operating Systems: RHEL, SLES, Ubuntu, Windows, FreeBSD, VMware
- Software: OFED, WinOF-2, DPDK, OpenMPI, MVAPICH, MPICH
- Virtualization: SR-IOV (up to 1K VFs), ASAP2, OVS offload
Up to 200Gb/s per port using InfiniBand or Ethernet (with appropriate switch/cable).
Yes, the adapter supports both protocols and can be configured accordingly.
Block-level XTS-AES 256/512-bit hardware encryption, FIPS compliant.
SR-IOV (1K VFs), ASAP2, Open vSwitch offload, and NPAR virtualization hierarchies.
Yes, it supports PCIe Gen 4.0 and is backward compatible with Gen 3.0.
- Observe ESD handling precautions during installation
- Verify PCIe slot compatibility (x16 physical)
- Use NVIDIA-qualified QSFP56 optics and cables
- Ensure adequate airflow around the adapter
- Install appropriate drivers (OFED/WinOF-2) before use
- 1-year standard warranty
- Technical support via email / phone
- Firmware updates and driver support
- RMA services for defective units
- Global logistics and delivery