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Half-height half-length PCIe card with dual QSFP112 ports, silver bracket, green PCB

Mellanox Technologies

Mellanox ConnectX-7 MCX755106AS-HEAT 200Gb expansion card

SKU CH-B0TT-77KF7

A half-height PCIe 5.0 x16 adapter with dual QSFP112 ports for 200 Gb/s InfiniBand and Ethernet connectivity

  • Fits low-profile slots with 2.71 in half-height design
  • Dual QSFP112 ports deliver 200 Gb/s InfiniBand and Ethernet
  • PCIe 5.0 x16 interface provides 32 GT/s SerDes bandwidth
  • Auto-negotiation across NDR200, HDR, EDR, FDR and SDR rates
  • Secure Boot enabled with crypto disabled for trusted boot

Mellanox ConnectX-7 200Gb adapter card

The Mellanox ConnectX-7 MCX755106AS-HEAT is a half-height, half-length PCIe add-on card designed for high-performance networking. It targets data-centre and HPC builders who need 200Gb/s InfiniBand or Ethernet connectivity in a compact form factor.

PCIe 5.0 x16 interface with dual QSFP112 ports

The card operates on a PCI Express 5.0 x16 link at 32GT/s and is backward compatible with Gen 4.0 and 3.0 slots. Dual QSFP112 cages support InfiniBand NDR200, HDR, EDR, FDR and SDR as well as Ethernet rates from 200Gb/s down to 10Gb/s.

Half-height bracket frees full-height slots

Measuring 68.90mm by 167.65mm, the adapter fits low-profile chassis while leaving full-height expansion space available. An optional auxiliary PCIe x16 Gen 4.0 connection at 18GT/s can be added through a passive card and Cabline SA-II Plus harnesses for extended I/O.

Highlights

  • Fits low-profile slots with 2.71 in half-height design
  • Dual QSFP112 ports deliver 200 Gb/s InfiniBand and Ethernet
  • PCIe 5.0 x16 interface provides 32 GT/s SerDes bandwidth
  • Auto-negotiation across NDR200, HDR, EDR, FDR and SDR rates
  • Secure Boot enabled with crypto disabled for trusted boot

Specifications

No published specifications for this item yet.

Questions about this item

How do I install the half-height half-length MCX755106AS-HEAT card into a PCIe 5.0 x16 slot and what step is often missed?

Insert the 68.90 mm x 167.65 mm card into a Gen 5.0 x16 slot running at 32 GT/s; the step often missed is securing the low-profile bracket screw so the dual QSFP112 ports align with the chassis cutout.

What maintenance or replacement will the ConnectX-7 adapter need during its service life?

No field-replaceable parts are on the card; plan to replace the QSFP112 transceivers or direct-attach cables if link speeds change, and keep firmware current for InfiniBand NDR200 and Ethernet 200 Gb/s auto-negotiation.

Which limit appears first when the dual-port 200 Gb/s adapter runs sustained workloads?

The PCIe 5.0 x16 host interface at 32 GT/s per lane sets the ceiling; sustained bidirectional 200 Gb/s traffic can saturate that bus before the dual QSFP112 ports reach their line rate.

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