Here's the comparison of the two JHCTECH MEC systems on the attributes you asked about:
| Attribute | JHCTECH BRAV-7121 | JHCTECH BRAV-7131 |
|---|---|---|
| Memory | 16 GB | 64 GB |
| Ethernet ports | 2 (1GbE) | 5 (1GbE) |
| Max power consumption | 25 W | 50.4 W |
Summary of the differences:
- Memory: The BRAV-7121 has 16 GB, while the BRAV-7131 has 64 GB — 4× the memory capacity. jhc-techno... +1jhc-technology.com ↗“memory.memory_gb=16 GB”jhc-technology.com ↗“memory.memory_gb=64 GB”
- Ethernet ports: The BRAV-7121 offers 2 Ethernet ports (1GbE), whereas the BRAV-7131 provides 5 Ethernet ports (1GbE), giving it more networking headroom for multi-device connectivity. jhc-techno... +1jhc-technology.com ↗“io.ethernet_ports=2, io.max_ethernet_speed=1GbE”jhc-technology.com ↗“io.ethernet_ports=5, io.max_ethernet_speed=1GbE”
- Max power consumption: The BRAV-7121 is rated at up to 25 W, about half the BRAV-7131's 50.4 W maximum. jhc-techno... +1jhc-technology.com ↗“power.max_power_consumption_w=25 W”jhc-technology.com ↗“power.max_power_consumption_w=50.4 W”
Both systems accept 9–36 V power input. jhc-techno... +1jhc-technology.com ↗“power.power_input=9-36 V”jhc-technology.com ↗“power.power_input=9-36 V”