D-Link DEM-CB100QXS-4XS 40G QSFP+ direct attach copper (DAC) cable, 3.3 feet, 100 ohm impedance. Connects two QSFP+ ports for high-speed interconnect in data center and enterprise switching environments. Supports 40 Gbps throughput with passive copper construction—no active components or power consumption. Compatible with D-Link DXS-3600 series switches and any standards-compliant 40G QSFP+ interface. Ideal for short-reach server-to-switch, switch-to-switch, or storage array connections where DAC economics and latency advantages outweigh longer-distance fiber requirements. Tested and guaranteed; available via quote.
