Cisco MCS7835I3-K9-CXA1 is a Unified Communications server appliance with 24x7x4 hardware maintenance support contract (4-hour response time, 24/7/365 coverage). This is end-of-life Cisco equipment from the MCS 7800 series.
Cisco MCS 7800 Series Unified Communications Server
Intel Xeon E5504 processor
4GB RAM
2x hard drives (146GB or 300GB depending on variant)
2U form factor
Supports Cisco Unified Communications Manager 7.x and 8.x
24x7x4 hardware maintenance support