Sate Optics provides compatible 400G QSFP-DD to 4×100G QSFP56 Direct Attach Copper (DAC) cables for high-speed data center networks, AI infrastructure and high-performance computing applications.
Our 400G breakout DAC solutions enable one 400G QSFP-DD port to connect with four independent 100G QSFP56 ports, providing flexible network expansion and efficient port utilization.
Compatible 400G QSFP-DD to 4×100G QSFP56 DAC cables deliver high bandwidth, low latency and low power consumption for short-distance switch-to-switch and server connectivity.
Sate Optics delivers scalable copper interconnect solutions for modern data centers, cloud computing, AI clusters and next-generation Ethernet networks.
400G QSFP-DD To 4x100G QSFP56 Breakout DAC
| Part Number | Model No. | Picture | Data Rate(Mbps) | Wavelength | Media Type | Reach | TX Power(dBm) | RX Sens.(dBm) | Temp.(℃) | Note | Datasheet |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ST-DAC-QSFPDD-4*QSFP56-0.5 | DAC-QSFPDD-4*QSFP56-0.5 | ![]() |
400G/4*100G | 30AWG | Passive Direct Attach Copper Breakout Cable | 0.5m (2ft) | <0.1W | / | 0°C~70°C | Q-4Q56PC005 Compatible | |
| ST-DAC-QSFPDD-4*QSFP56-1 | DAC-QSFPDD-4*QSFP56-1 | ![]() |
400G/4*100G | 30AWG | Passive Direct Attach Copper Breakout Cable | 1m (3ft) | <0.1W | / | 0°C~70°C | Q-4Q56PC01 Compatible | |
| ST-DAC-QSFPDD-4*QSFP56-1.5 | DAC-QSFPDD-4*QSFP56-1.5 | ![]() |
400G/4*100G | 28AWG | Passive Direct Attach Copper Breakout Cable | 1.5m (5ft) | <0.1W | / | 0°C~70°C | Q-4Q56PC015 Compatible | |
| ST-DAC-QSFPDD-4*QSFP56-2 | DAC-QSFPDD-4*QSFP56-2 | ![]() |
400G/4*100G | 28AWG | Passive Direct Attach Copper Breakout Cable | 2m (7ft) | <0.1W | / | 0°C~70°C | Q-4Q56PC02 Compatible | |
| ST-DAC-QSFPDD-4*QSFP56-2.5 | DAC-QSFPDD-4*QSFP56-2.5 | ![]() |
400G/4*100G | 28AWG | Passive Direct Attach Copper Breakout Cable | 2.5m (8ft) | <0.1W | / | 0°C~70°C | Q-4Q56PC025 Compatible | |
| ST-DAC-QSFPDD-4*QSFP56-3 | DAC-QSFPDD-4*QSFP56-3 | ![]() |
400G/4*100G | 28AWG | Passive Direct Attach Copper Breakout Cable | 3m(10ft) | <0.1W | / | 0°C~70°C | Q-4Q56PC03 Compatible |


