Sate Optics provides compatible 40G QSFP+ to QSFP+ Direct Attach Copper (DAC) cables for data centers, enterprise networks and high-performance computing applications.
Our 40G QSFP+ DAC solutions provide direct electrical connectivity between 40G switches, servers and other compatible networking equipment, delivering reliable high-bandwidth connections for short-distance deployments.
Compatible 40G QSFP+ to QSFP+ DAC cables offer low latency, low power consumption and stable signal performance for switch-to-switch, switch-to-server and rack-level network interconnects.
Sate Optics delivers cost-effective 40G copper connectivity solutions for data center upgrades, enterprise networks and high-performance computing environments.
40G QSFP+ to QSFP+ DAC
| Part Number | Model No. | Picture | Data Rate(Mbps) | Wavelength | Media Type | Reach | TX Power(dBm) | RX Sens.(dBm) | Temp.(℃) | Note | Datasheet |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ST-DAC-40G-QSFP-0.5 | DAC-40G-QSFP-0.5 |  |
40G/40G | 30AWG | Passive Direct Attach Copper Twinax Cable | 0.5m (2ft) | ≤0.5W | QSFP+ to QSFP+ | 0°C~70°C | QSFP-H40G-CU50CM Compatible | |
| ST-DAC-40G-QSFP-1 | DAC-40G-QSFP-1 | |
40G/40G | 30AWG | Passive Direct Attach Copper Twinax Cable | 1m (3ft) | ≤0.5W | QSFP+ to QSFP+ | 0°C~70°C | QSFP-H40G-CU1M Compatible | |
| ST-DAC-40G-QSFP-1.5 | DAC-40G-QSFP-1.5 | |
40G/40G | 30AWG | Passive Direct Attach Copper Twinax Cable | 1.5m (5ft) | ≤0.5W | QSFP+ to QSFP+ | 0°C~70°C | QSFP-H40G-CU1.5M Compatible | |
| ST-DAC-40G-QSFP-2 | DAC-40G-QSFP-2 | |
40G/40G | 30AWG | Passive Direct Attach Copper Twinax Cable | 2m (7ft) | ≤0.5W | QSFP+ to QSFP+ | 0°C~70°C | QSFP-H40G-CU2M Compatible | |
| ST-DAC-40G-QSFP-3 | DAC-40G-QSFP-3 | |
40G/40G | 30AWG | Passive Direct Attach Copper Twinax Cable | 3m (10ft) | ≤0.5W | QSFP+ to QSFP+ | 0°C~70°C | QSFP-H40G-CU3M Compatible | |
| ST-DAC-40G-QSFP-4 | DAC-40G-QSFP-4 | |
40G/40G | 28AWG | Passive Direct Attach Copper Twinax Cable | 4m (13ft) | ≤0.5W | QSFP+ to QSFP+ | 0°C~70°C | QSFP-H40G-CU4M Compatible | |
| ST-DAC-40G-QSFP-5 | DAC-40G-QSFP-5 | |
40G/40G | 26AWG | Passive Direct Attach Copper Twinax Cable | 5m (16ft) | ≤0.5W | QSFP+ to QSFP+ | 0°C~70°C | QSFP-H40G-CU5M Compatible | |
| ST-DAC-40G-QSFP-7 | DAC-40G-QSFP-7 | |
40G/40G | 24AWG | Passive Direct Attach Copper Twinax Cable | 7m (23ft) | ≤0.5W | QSFP+ to QSFP+ | 0°C~70°C | QSFP-H40G-CU7M Compatible |
