HP Intel Xeon E5540 / 2.53 GHz processor (505880-B21)
HP Intel Xeon E5540 / 2.53 GHz processor (505880-B21) - Cache: 1000 KB, Intel Quad-Core Xeon E5540 at 2.53 GHz, 1066 MHz bus, L3 cache Advanced Smart Cache - 8 MB (2 x 4MB ( 4MB per core pair)), Hyper-Threading Technology (505880-B21)