Sate Optics provides compatible 400G QSFP-DD to QSFP-DD Direct Attach Copper (DAC) cables for high-speed data center networks, AI infrastructure and high-performance computing applications.
Our 400G QSFP-DD DAC solutions provide direct electrical connectivity between 400G switches, routers and other high-bandwidth networking equipment, offering a cost-effective alternative to optical connections for short-distance deployments.
Compatible 400G QSFP-DD to QSFP-DD DAC cables deliver high bandwidth, low latency and low power consumption for reliable rack-to-rack and in-rack network interconnects.
Sate Optics delivers flexible 400G copper interconnect solutions for modern data centers, cloud computing, AI clusters and next-generation Ethernet networks.
400G QSFP-DD to QSFP-DD DAC
| Part Number | Model No. | Picture | Data Rate(Mbps) | Wavelength | Media Type | Reach | TX Power(dBm) | RX Sens.(dBm) | Temp.(℃) | Note | Datasheet |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ST-DAC-400G-QSFPDD-0.5 | DAC-400G-QSFPDD-0.5 |  |
400G/400G | 30AWG | Passive Direct Attach Copper Twinax Cable | 0.5m (2ft) | <0.1W | / | 0°C~70°C | QDD-400-CU0.5M Compatible | |
| ST-DAC-400G-QSFPDD-1 | DAC-400G-QSFPDD-1 | |
400G/400G | 30AWG | Passive Direct Attach Copper Twinax Cable | 1m (3ft) | <0.1W | / | 0°C~70°C | QDD-400-CU1M Compatible | |
| ST-DAC-400G-QSFPDD-1.5 | DAC-400G-QSFPDD-1.5 | |
400G/400G | 30AWG | Passive Direct Attach Copper Twinax Cable | 1.5m (5ft) | <0.1W | / | 0°C~70°C | QDD-400-CU1.5M Compatible | |
| ST-DAC-400G-QSFPDD-2 | DAC-400G-QSFPDD-2 | |
400G/400G | 28AWG | Passive Direct Attach Copper Twinax Cable | 2m (7ft) | <0.1W | / | 0°C~70°C | QDD-400-CU2M Compatible | |
| ST-DAC-400G-QSFPDD-2.5 | DAC-400G-QSFPDD-2.5 | |
400G/400G | 28AWG | Passive Direct Attach Copper Twinax Cable | 2.5m (8ft) | <0.1W | / | 0°C~70°C | QDD-400-CU2.5M Compatible | |
| ST-DAC-400G-QSFPDD-3 | DAC-400G-QSFPDD-3 | |
400G/400G | 28AWG | Passive Direct Attach Copper Twinax Cable | 3m(10ft) | <0.1W | / | 0°C~70°C | QDD-400-CU3M Compatible |
