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Green circuit board with single OSFP cage and gold PCIe edge connector

NVIDIA

NVIDIA ConnectX-7 MCX75343AMS-NEAC 400GbE network card

SKU CH-AKJB-HYVW7 MPN MCX75343AMS-NEAC

Single-port OSFP adapter delivering 400 Gb/s Ethernet and NDR InfiniBand over PCIe 5.0 x16 with Secure Boot and Multi-Host support

  • SpeedInfiniBand: NDR/NDR200/HDR/HDR100/EDR/FDR/SDR Ethernet: 400/
  • ConnectorsSingle-port OSFP InfiniBand and Ethernet
  • InterfacePCI Express Gen 5.0/4.0: SERDES @ 16/32GT/s, x16 lanes (Gen
  • FeaturesSecure Boot Enabled, Crypto Disabled, Support for Multi-Host
  • DimensionsAdapter Card Size: Tall Small Form Factor (TSFF) OCP 3.0, 4.
  • Single-port OSFP handles InfiniBand and Ethernet traffic
  • PCI Express Gen 5.0 x16 delivers 32GT/s SERDES bandwidth
  • Typical power draw of 24.4W with passive cables
  • Secure Boot enabled with crypto disabled for trusted boot
  • Compact TSFF OCP 3.0 form factor fits dense servers

400 GbE OSFP Adapter

The NVIDIA ConnectX-7 MCX75343AMS-NEAC is a single-port network adapter that delivers InfiniBand NDR and Ethernet 400 Gb/s throughput over an OSFP connector. It targets data-centre clusters and high-performance computing nodes that need low-latency fabric connectivity. The card fits a PCI Express 5.0 x16 slot and supports Secure Boot with crypto acceleration disabled.

PCIe 5.0 x16 TSFF Installation

The Tall Small Form Factor board measures 115 mm by 76 mm and stands 17.8 mm tall, so it occupies a standard low-profile slot. Installation requires a PCIe Gen 5.0 x16 link for full 32 GT/s SERDES performance, though Gen 4.0 and 3.0 are compatible. Typical draw is 24.4 W with passive cables, and the OSFP port can supply up to 17 W per port if the platform provides adequate airflow.

Crypto Disabled Multi-Host Clusters

This adapter suits builders who need Secure Boot and Multi-Host or Socket Direct support without on-board cryptographic offload. It is not for buyers who require hardware encryption acceleration or dual-port redundancy. Teams needing active optical cable thermal support beyond the rated 17 W should evaluate alternative form factors.

商品特色

  • Single-port OSFP handles InfiniBand and Ethernet traffic
  • PCI Express Gen 5.0 x16 delivers 32GT/s SERDES bandwidth
  • Typical power draw of 24.4W with passive cables
  • Secure Boot enabled with crypto disabled for trusted boot
  • Compact TSFF OCP 3.0 form factor fits dense servers

商品規格

BrandNVIDIA
ModelConnectX-7
Part NumberMCX75343AMS-NEAC
SpeedInfiniBand: NDR/NDR200/HDR/HDR100/EDR/FDR/SDR
Ethernet: 400/200/100/50/25/10 Gb/s
ConnectorsSingle-port OSFP InfiniBand and Ethernet
InterfacePCI Express Gen 5.0/4.0: SERDES @ 16/32GT/s, x16 lanes (Gen 3.0 compatible)
FeaturesSecure Boot Enabled, Crypto Disabled, Support for Multi-Host and Socket Direct
Typical power with passive cables in PCIe Gen 5.0 x16: 24.4W
Maximum power available through OSFP port: 17W per port (Not thermally supported)
DimensionsAdapter Card Size: Tall Small Form Factor (TSFF) OCP 3.0, 4.52 in. x 2.99 in (115.00mm x 76.00mm)
Adapter Card Height: 0.7 in. (17.8mm)
出貨重量9.07 kg
包裝尺寸25 × 25 × 25 mm

商品問答

How do I verify the adapter is running at PCIe 5.0 x16 after installation?

Check the operating system or BIOS for a PCIe Gen 5.0 x16 link with SERDES at 32GT/s; typical power draw with passive cables is 24.4W.

What comes in the box and which cables or transceivers must be purchased separately?

The adapter card itself is included; OSFP optical transceivers or direct-attach cables for the single OSFP port are not supplied and must be bought separately.

Which ConnectX-7 version should I choose for a 400GbE single-port OSFP slot with Secure Boot but no crypto offload?

This MCX75343AMS-NEAC model provides a single OSFP port at 400GbE, PCIe 5.0 x16, Secure Boot enabled and crypto disabled.

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