IBM System x3100 M4
Intel Xeon 4-Core E3-1270v2 3.5GHz/1600MHz FSB, 8MB L3 Cache
IBM System x3500 M4
Intel Xeon 4 Core E5-2609 2.40Ghz/1066Mhz, 10MB L3 Cache
IBM System x3630 M4
Intel Xeon 4 Core E5-2407 2.2Ghz/1066Mhz, 10MB L3 Cache
IBM System x3250 M4
Intel® Xeon® Processor E3-1220v3 (Quad-Core 3.1GHz)
IBM System x3550 M4
Intel® Xeon® Processor E5-2609v2 (Quad-Core 2.5GHz)10 MB L3 Cach..
IBM System x3650 M4
Xeon 4C E5-2609 80W 2.4GHz/1066MHz/10MB