NVIDIA/Mellanox C8240 (900-9X81Q-00CN-ST0) ConnectX-8 InfiniBand & Ethernet SuperNIC, SocketDirect NDR 400Gb/s PAM4 100G/Lane, Dual-port QSFP112, PCIe 6.0 x 16, Tall Bracket 1.6T/800G XDR enabling cable lengths of up

enabling cable lengths of up to 5 meters

The two 400G ends support 4-channels of 50G-PAM4 (200GbE/HDR) and use a flat top QSFP56 for use in Quantum switch cages

NVIDIA/Mellanox® MMA1T00-HS compatible hot pluggable QSFP56 transceiver can achieve 200GBase-SR4 fibre channel throughput up to 100m over a multi-mode fiber (MMF) using a wavelength of 850nm via the MTP/MPO-12 UPC connector

the transceiver features advanced PAM4 signal conditioning and link robustness with ultra-low bit error rates (BER)

NVIDIA/Mellanox C8240 (900-9X81Q-00CN-ST0) ConnectX-8 InfiniBand & Ethernet SuperNIC, SocketDirect NDR 400Gb/s PAM4 100G/Lane, Dual-port QSFP112, PCIe 6.0 x 16, Tall Bracket 1.6T/800G XDR enabling cable lengths of upDescription NVIDIA C8240 (900 9X81Q 00CN ST0) is part of the NVIDIA ConnectX 8 series of SuperNIC network interface cards. It uses the HHHL specification and is compatible with corresponding server slots. The default operating mode is 400GbE, and it is also compatible with the NDR IB network protocol, making it flexible for use in various network environments. The network card is equipped with dual port QSFP112 interfaces, enabling efficient and