JTOPTICS 400G QSFP112 Passive DAC Cable | QSFP112 to QSFP112 Twinax

JTOPTICS 400G QSFP112 to QSFP112 Passive Twinax DAC Cable is a high-performance, cost-effective direct attach copper (DAC) solution designed for ultra-high-speed 400 Gigabit Ethernet and InfiniBand NDR networking applications. Featuring QSFP112 connectors on both ends, this passive Twinax cable delivers reliable 400Gbps connectivity with extremely low latency and near-zero power consumption, making it ideal for short-distance interconnects within racks and adjacent racks.

Manufactured using premium high-speed Twinax copper, the cable supports 4 × 100G PAM4 electrical lanes and complies with IEEE 802.3ck and QSFP112 MSA specifications. It is optimized for hyperscale data centers, AI clusters, cloud computing, high-performance computing (HPC), enterprise networks, and telecom infrastructures. Passive DACs are the most economical solution for short-reach 400G connections because they eliminate the need for optical transceivers while maintaining exceptional signal integrity.

Supports 400Gbps data transmission

QSFP112 to QSFP112 passive Twinax copper cable

Compliant with IEEE 802.3ck and QSFP112 MSA

4 × 100G PAM4 electrical lanes

Ultra-low latency direct copper connection

Near-zero power consumption

Hot-pluggable QSFP112 connectors

Available in multiple cable lengths (0.5m, 1m, 1.5m, 2m, 2.5m & 3m)

Excellent signal integrity and EMI performance

Factory tested for reliability and compatibility

RoHS compliant

Operating temperature: 0°C to 70°C