BX80532KC2500E Intel Xeon Processor MP with up to 2MB L3 Cache (on the 0.13u Process) 2.50GHz (PGA package/603 pins/0.13u/512K L2 Cache/1MB L3 cache/400MHz Bus/supports dual and 4-way processing)
BX80532RC2500B Intel Celeron Processor on 0.13u Process in the 478-Pin Package 2.50GHz (478-pin Package) based on 13u process technology, 128-KB Advanced Transfer Cache, 400MHz bus