400G QSFP112 Passive DAC Cable for DGX Spark Stacking Key Features: Suitable for NIC-to-NIC or DGX Spark Direct Connection. 0.5m 400G QSFP112 DAC for NVIDIA DGX Spark Dual-System Interconnect. Max Power Consumption <0.25W. Compliant with Hot Pluggable QSF112 MSA, IEEE 802.3ck, SFF-8636 Standard. Compliant with RoHS Environmental Standard (Lead-free). The 400G QSFP112 is a passive direct attach copper Quad Small Form-factor Pluggable solution achieving 400G transmission (hereafter referred to as QSFP112) is designed for high-density applications. The hot- pluggable transceiver integrates 4 transmitting and 4 receiving channels. QSFP112 to QSFP112 cable assemblies are high performance, high bandwidth and cost effective interconnect solutions which support 400G standards with different data rate applications.