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The Central Processing Unit (CPU) or (micro) processor is the part of a computer where most calculations take place. In terms of computing power, the processor is the most important element of a computer system, so the performance of a computer is highly dependant on the performance of the processor. For quite some time the performance of a processor has been determined by the number of MHz the clock speed was, but nowadays clock speed doesn't have so much to do with the speed of the processor anymore. One of the best ways to compare different kinds of processors, is to look up benchmarks on the internet. Please be careful to buy a processor that is compatible with your motherboard, i.e. fits in the right socket.

Intel Xeon E5540 2.53GHz Quad Core 8MB 1066MHz 80 Watts ML/DL370 G6 Processor Option Kit

HPE 495936-B21-RFB, Intel® Xeon® 5000 Sequence, Socket B (LGA 1366), 45 nm, Intel, E5540, 2,53 GHz

HPE 495936-B21-RFB. Processorserie: Intel® Xeon® 5000 Sequence, Processor sokkel: Socket B (LGA 1366), Processor litografi: 45 nm. Hukommelseskanaler: Fire-kanals. Markedssegment: Desktop. Vægt: 1,58 kg. L1 cache: 256 MB, Dimensioner (BxDxH): 152 x 155 x 171 mm

495936-B21-RFB

HPE 495936-B21-RFB processor 2,53 GHz 8 MB L3 Kasse