Dell PowerEdge C2100 Getting Started page 12

Memory
Architecture
Memory module sockets
Memory module capacities
Minimum RAM
Maximum RAM
Drive
Hard drives
Connectors
Back
NIC
KVM over IP port
Serial
USB
Video
10
Getting Started With Your System
800/1066/1333 MHz DDR-3
unbuffered/registered memory modules with
Error Correcting Code (ECC)
Eighteen 240-pin DIMMs
2 GB, 4 GB, or 8 GB
12 GB RAM
144 GB (dual rank) using 8 GB DIMM
48 GB (quad rank) using 4 GB DIMM
S3 Sleep State
48 GB using 2 GB or 4 GB DIMM
Up to twelve 3.5", hot-swappable SAS/SATA
hard drives
Up to twenty four 2.5", hot-swappable
SAS/SATA hard drives (when available)
(Optional) up to two 2.5", internal SATA/SSD
hard drives (when available)
Two RJ-45 (for integrated 10/100/1000 Mbps
Ethernet)
Dedicated Ethernet port for remote
management access
9-pin, DTE, 16550-compatible
Two 4-pin, USB 2.0-compliant
15-pin VGA