NVIDIA Mellanox® MCX565A-CDAI — ConnectX Network Adapter

Specifications

OEM: NVIDIA Mellanox
Part Number (MPN): MCX565A-CDAI
Category: ConnectX Network Adapter
ASIC / Family: ConnectX-5
Speed: 100GbE
Host Interface: PCIe 4.0 x16
Protocol Support: Ethernet
Condition: Refurbished Grade A — bench-tested by T.E.S IT-SOLUTIONS


Identity
The NVIDIA Mellanox® MCX565A-CDAI is a ConnectX-5 100GbE ConnectX Network Adapter. Refurbished Grade A — bench-tested in both link and signal-integrity checks by T.E.S IT-SOLUTIONS.

What This Is NOT

NOT a switch. Host-side PCIe adapter card — requires a server PCIe slot.
NOT a different ConnectX generation. This is ConnectX-5. Verify driver and firmware match this exact generation.
NOT a VPI dual-protocol card unless explicitly stated. Check protocol mode in specifications above.
NOT bundled with cables, transceivers, or low-profile bracket.


Capabilities & Features

RDMA over Converged Ethernet (RoCE v1/v2) and native InfiniBand verbs.
NVMe over Fabrics (NVMe-oF) support via RoCE v2 or InfiniBand transport.
ASAP² (Accelerated Switching and Packet Processing) for hardware-accelerated Open vSwitch.
SR-IOV virtualization for VM and container deployments.
Encapsulation/decapsulation acceleration: VXLAN, NVGRE, Geneve, GTP.
T10-DIF data-integrity offload for storage workloads.
IPsec hardware encryption/decryption offload (ConnectX-5+).


Compatibility & Constraints

Drivers: NVIDIA MLNX_OFED (Linux), in-box mlx5_core (upstream Linux), WinOF-2 (Windows), nmlx5 (VMware ESXi).
Slot required: PCIe 4.0 x16 — for full line-rate, do not throttle in x8 or older gen slots.
Compatible switches: NVIDIA Spectrum / Spectrum-2 / Switch-IB 2.


Deployment & Use Cases

HPC clusters with RDMA / RoCE communication.
AI / ML training fabrics with GPUDirect-capable adapters.
NVMe-oF storage targets and initiators.
Virtualized data centers with SR-IOV.
SDN / NFV with ASAP2 hardware OVS acceleration.


Frequently Asked Questions (FAQ)
Q. What is the MCX565A-CDAI?
The MCX565A-CDAI is a ConnectX-5 EN network card at 100GbE, PCIe 4.0 x16 host interface.
Q. Does it support InfiniBand?
No. ConnectX-5 EN is Ethernet-only.
Q. Will T.E.S IT-SOLUTIONS confirm the configuration of MCX565A-CDAI before shipping?
Yes. T.E.S IT-SOLUTIONS (tes-itsolutions.com) inspects each unit and verifies vendor markings before dispatch from EU stock.

Why T.E.S IT-SOLUTIONS
Every unit is bench-tested by T.E.S IT-SOLUTIONS: link establishment, port-by-port traffic validation, and full cosmetic inspection. Professional anti-static packaging, global B2B shipping from EU stock, and technical consultation for HPC / AI cluster deployments.