SIEMENS 6AG4140-3BC07-0KA0 Controller

Supply Voltage: 24 V DC
Hard Disk: 2.5" SATA ≥ 320 GB
Main Memory: 2 / 4 / 8 GB; ECC optional
Maximum Main Memory Capacity: 8 GB
Retentive Data Area: Max. 512 kbyte (including timers, counters, flags)
PROFINET Interfaces: 1; 3 ports
USB Ports: 4x USB 3.0
Ingress Protection (Front): IP20
Operating Ambient Temperature: 0 °C to 55 °C
Storage/Transport Ambient Temperature: Min. -40 °C, Max. 70 °C