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NVIDIA LinkX Cables and Transceivers

InfiniBand and Ethernet interconnects for 100G/200G/400G and 800G infrastructures.

Explore the industry’s most complete line of Ethernet and InfiniBand interconnects with exceptional low latency, low power, and reliability for AI and accelerated computing. NVIDIA® LinkX® products can link upward in NVIDIA Quantum and Spectrum™ architectures for switch-to-switch applications, downward for top-of-rack switch links to ConnectX® smart network adapters, and to BlueField® DPUs in compute servers and storage subsystems.

Product Lines

400Gb/s OSFP (100G-PAM4 Modulation)
InfiniBand and Ethernet

800 gigabits per second (Gb/s) and 400Gb/s cables and transceivers are used for linking Quantum-2 InfiniBand and Spectrum-4 SN5600 Ethernet switches together and with ConnectX-7 network adapters, BlueField-3 DPUs, and NVIDIA DGX™ H100 GPU systems. The product line consists of direct-attach cables (DAC) reaching up to 3 meters (m), linear active copper cables from 3m to 5m, multimode optics to 50m, and single-mode optics to 100m, 500m, and 2 kilometers (km). Switches only use twin-port octal small form factor pluggable (OSFP) connectors. ConnectX-7 uses both OSFP and QSFP112, and BlueField-3 uses QSFP112 only.

400Gb/s QSFP-DD (50G-PAM4 Modulation) Ethernet only

400Gb/s cables and transceivers are used for linking Spectrum-4 SN5400 and Spectrum-3 SN4000 series Ethernet switches with ConnectX-6/7 network adapters and BlueField-2/3 DPUs. The product line consists of DAC cables reaching up to 2.5m, active optical cables from 3m to 100m, multimode optics up to 100m, and single-mode optics up to 500m, 2km, and 10km. Switches use quad small form factor double density (QSFP-DD) connectors, while ConnectX-6 and BlueField-2 use QSFP56 and QSFP28 connectors.

200Gb/s QSFP56 (50G-PAM4 Modulation) InfiniBand and Ethernet

200Gb/s cables and transceivers are used for linking Quantum InfiniBand and 200GbE Spectrum-2/3/4 Ethernet switches with ConnectX-6/7 network adapters, BlueField-2/3 DPUs, and DGX A100 GPU systems. The product line consists of DAC cables reaching up to 2.5m, active optical cables from 3m to 100m, multimode optics to 100m, and single-mode optics to 2km. Switches, ConnectX-6/7, and BlueField-2/3 use QSFP56 connectors.

100Gb/s QSFP28 (25G-NRZ Modulation) InfiniBand and Ethernet

25Gb/s and 100Gb/s cables and transceivers are used for linking Enhanced Data Rate (EDR) InfiniBand and 100GbE Spectrum-1/2/3/4 Ethernet switches with ConnectX-6/7 network adapters and BlueField-2/3 DPUs. The product line consists of DAC cables reaching up to 5m, active optical cables to 100m, multimode optics to 100m, and single-mode optics to 500m, 2km, 10km, and 40km. Switches, ConnectX-6/7, and BlueField-2/3 use QSFP28 and SFP28 connectors.

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