BYXGD’s Cisco QSFP-4S50-CU3M Compatible 3M (10FT) 200G QSFP56 Interface to 4x50G SFP56 PAM4 Passive Copper Direct Attached Breakout Cable has one 200GbE QSFP56 interface and four 50GbE SFP56 connections for fast short-distance 200G to 4x50G Ethernet connections. This cable consists of 30 AWG twinax copper wires encased in a strong PVC cover and secured using Zinc alloy enclosures, making it strong enough to prevent potential damage while maintaining robust signal integrity over long distances.
The cable meets SFF-8661, SFF-8472, IEEE 802.3bs, IEEE 802.3cd, and SFP-8636 standards. Because of its passive design, this cable does not require any external power and has very low insertion loss and crosstalk over lengths ranging from 0.5m to 3m. Each assembly is rigorously tested for signal integrity and switch interoperability prior to shipment.
The cable supports Ethernet and InfiniBand SDR/DDR/QDR High-Performance Computing environments (for example “Data Centers” and “Enterprise Networks”). It is fully compliant with the RoHS and MSA directives. This cable provides lower electromagnetic interference (EMI) from systems and offers a more economical option than optical transceivers. Dust caps and anti-static protection help provide a safe shipping package, and as a result, this DAC consistently delivers high performance in Data Centers, Telecommunications Equipment Rooms, and Enterprise Networks.
Specifications
| Form Factor | QSFP56 to 4x SFP56 |
| Max Data Rate | 200Gbps (QSFP56) to 4x 50Gbps (SFP56) |
| Cable Type | Passive Twinax Breakout DAC |
| Cable Length | 0.5m to 3m (1.6ft to 9.8ft) |
| Wire Gauge | 30AWG (0.5-1m), 28AWG (2m), 26-27AWG (3m) |
| Jacket Material | PVC (OFNR) |
| Minimum Bend Radius | 35mm |
| Power Consumption | <0.1W (QSFP56 end), 0.1W (SFP56 per end) |
| Supply Voltage | Single 3.3V |
| Cable Impedance | 100 Ω |
| Modulation Format | QSFP56-4x 50G-PAM4, SFP56-50G-PAM4 |
| DDM/DOM | Not Supported |
| Operating Temperature | 0 to 70°C (32 to 158°F) |
| Storage Temperature | -40 to 85°C |
| Weight | 0.34 kg |
| Protocols/Compliance | SFF-8661, SFF-8432, SFF-8636, SFF-8472, IEEE 802.3bs-200GAUI-4, IEEE 802.3cd-50GAUI-1, IEEE 802.3bj, MIL-STD-883C, REACH, RoHS |
| Applications | 200G/50G Ethernet, InfiniBand SDR/DDR/QDR, Switches, Routers, HBAs, Data Centers |
| Warranty | 1 Year |






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