HPE Aruba R0M46A – 50GBase SFP56 to SFP56 Direct Attach Copper Cable
Overview :
The HP R0M46A is a 0.65‑meter passive direct‑attach copper (DAC) cable designed to link two SFP56 ports at up to 50 Gbps for short‑range interconnects. Data centre engineers and network architects use this cable for stack or switch‑to‑switch connectivity within racks, especially where latency and cost‑per‑link matter. The cable supports 50G data rate and uses twinax copper construction, making it suitable for high‑density 50G‑capable switch platforms. Its length is optimized for intra‑rack or adjacent‑rack links—allowing direct comms without separate transceivers or fibre. It is listed as compatible with specific HP/Aruba SFP56 ports, and should be used in 50G‑enabled port groups as defined in the vendor’s compatibility matrix.
Key Features :
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Supports 50 Gbps data rate over SFP56 twinax copper
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Passive twinax design ideal for direct rack interconnects
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0.65 m (≈2.13 ft) length for short‑reach rack‑to‑rack links
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SFP56 connectors on both ends, male gender
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Commercial temperature rating 0 °C to 70 °C
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