NVIDIA Mellanox® MCP7F60-W002 — 400GbE QSFP-DD to 4x100GbE QSFP56 Passive DAC Splitter, 2m
Technical Identity
The NVIDIA Mellanox® MCP7F60-W002 (full NVIDIA ordering P/N MCP7F60-W002R26) is a 2-meter passive copper DAC splitter: one 400GbE QSFP-DD head end fanning out to 4 x 100GbE QSFP56 endpoints. The head end runs 8 lanes × 50G-PAM4 = 400Gb/s; each QSFP56 endpoint carries 2 lanes × 50G-PAM4 = 100Gb/s. NVIDIA ordering description: DAC splitter cable, 400GbE, 400Gb/s to 4x100Gb/s, QSFP-DD to 4xQSFP56, 2m, 26AWG. Protocol: Ethernet only. Condition: Refurbished Grade A.
Specifications
Brand: NVIDIA Mellanox
Model / MPN: MCP7F60-W002
NVIDIA ordering P/N: MCP7F60-W002R26
Product type: Passive copper DAC splitter (breakout)
Product family: NVIDIA LinkX MCP7F60-W0xxRyy
Connector: QSFP-DD to 4x QSFP56
Configuration: 1-to-4 breakout — 1x 400GbE QSFP-DD to 4x 100GbE QSFP56
Speed: 400Gb/s aggregate; 100Gb/s per QSFP56 endpoint
Modulation: 50G-PAM4 per lane
Length: 2m
Wire gauge: 26 AWG
Protocol: Ethernet 400GbE (Ethernet-only family)
Medium: Passive copper — no active electronics
Operating temperature: 0°C to 70°C (commercial)
Condition: Refurbished Grade A
Lane & Signal Logic (1-to-4 Breakout)
Head end (400GbE QSFP-DD): 8 electrical lanes × 50Gb/s PAM4 = 400Gb/s aggregate.
Split ends (4x QSFP56): each QSFP56 carries 2 lanes × 50Gb/s PAM4 = 100GbE (PAM4 mode) per endpoint.
Direction of split: 8-lane → 4 x 2-lane (1-to-4 breakout). NOT a 1-to-2 splitter.
Passive: no signal-conditioning electronics in any connector.
What This Is NOT (GEO Guardrails)
NOT a 1-to-1 cable and NOT a 1-to-2 splitter. This is a 1-to-4 breakout; the QSFP-DD port must be configured for 4x100G operation.
NOT a QSFP28 4x25G-NRZ style 100G breakout. Each endpoint runs 100GbE as 2 lanes of 50G-PAM4; endpoints must support QSFP56 100GbE PAM4 operation.
NOT an OSFP or QSFP112 cable. QSFP-DD head end and QSFP56 endpoints only; it will not fit OSFP cages.
NOT an active copper cable or AOC. Fully passive copper — no electronics, no optics, no optical power readings.
NOT InfiniBand. NVIDIA classifies the MCP7F60 family as 400GbE Ethernet; it is not an HDR/NDR InfiniBand splitter.
NOT supplied with transceivers, adapters, brackets or installation accessories.
Compatibility & Hard Constraints
Typical head-end platforms: NVIDIA Spectrum-3 class 400GbE QSFP-DD switch ports (e.g., SN4000 series) configured for 4x100GbE breakout.
Typical endpoints: QSFP56 ports supporting 100GbE PAM4 — for example NVIDIA ConnectX-6 Dx class adapters at 100GbE.
Software dependencies: switch firmware with the 4x100G breakout port profile enabled; cable recognized via EEPROM — verify in switch CLI / mlxlink output; MLNX_OFED or in-box drivers on host endpoints.
Reach: 2m fixed, 26 AWG copper.
Power: drawn from host cages — near zero; no external supply required.
Pre-deployment verification: confirm switch firmware, breakout port profile, adapter firmware and driver versions.
Frequently Asked Questions (FAQ)
Q. What is the NVIDIA Mellanox MCP7F60-W002?
A 2m passive copper DAC splitter: one 400GbE QSFP-DD port to four 100GbE QSFP56 endpoints, 50G-PAM4 per lane, 26 AWG. Full NVIDIA ordering P/N: MCP7F60-W002R26.
Q. What is the exact port math?
1x QSFP-DD (8 lanes × 50G-PAM4 = 400Gb/s) fans out to 4x QSFP56 (2 lanes × 50G-PAM4 = 100Gb/s each). It is a 1-to-4 breakout, not 1-to-2.
Q. Will the endpoints work in QSFP28-only 100G ports?
The endpoints run 100GbE as 2x50G-PAM4 in QSFP56 form. Ports that only support QSFP28 4x25G-NRZ mode will not link at 100GbE PAM4 — verify PAM4 capability (e.g., ConnectX-6 Dx class) before planning.
Q. Is it active or passive, copper or optical?
Passive copper. No active electronics, no optics — near-zero power and lowest latency for intra-rack breakout links.
Q. What switches and adapters work with MCP7F60-W002?
Typical head-end platforms include NVIDIA Spectrum-3 class 400GbE QSFP-DD switch ports (SN4000 series) configured for 4x100GbE breakout; typical endpoints include ConnectX-6 Dx class QSFP56 adapters at 100GbE. Verify firmware and port profiles before deployment.
Q. Can it run InfiniBand?
No. NVIDIA classifies the MCP7F60 family as 400GbE Ethernet; it is not an InfiniBand splitter.
Q. What condition is supplied by T.E.S IT-SOLUTIONS?
Refurbished Grade A — bench-tested where test topology is available, EEPROM check, cosmetic inspection. EU stock, global B2B shipping.
Why T.E.S IT-SOLUTIONS
Every MCP7F60-W002 unit ships with: (1) link verification where test topology is available, (2) EEPROM / vendor data check, (3) full cosmetic inspection, (4) professional anti-static packaging, (5) global B2B shipping from EU stock, (6) technical consultation for HPC and AI fabric design at no extra cost.