Check to compare Intel Core 2 Quad Q6600 [BX80562Q6600] CPU core: Kentsfield, CPU socket: Socket 775, Clock frequency: 2.4 GHz, L2 cache: 8192 kB, Cores: 4, Fabrication process: 65 nm Specs Reviews User reviews Prices2 (0 with stock) £ 171,03£ 177,34 Check to compare Intel Core 2 Extreme QX6850 [BX80562QX6850] CPU core: Kentsfield, CPU socket: Socket 775, Clock frequency: 3 GHz, L2 cache: 8192 kB, Cores: 4, Fabrication process: 65 nm Specs Reviews User reviews Prices1 (0 with stock) £ 839,22£ 839,22 Check to compare Intel Core 2 Extreme QX6800 [BX80562QX6800] CPU core: Kentsfield, CPU socket: Socket 775, Clock frequency: 2.93 GHz, L2 cache: 8192 kB, Cores: 4, Fabrication process: 65 nm Specs Reviews User reviews Prices1 (0 with stock) £ 667,59£ 667,59 Check to compare Intel Xeon X3220 [BX80562X3220] CPU core: Kentsfield, CPU socket: Socket 775, Clock frequency: 2.4 GHz, Cores: 4, Fabrication process: 65 nm Specs Reviews User reviews Prices1 (0 with stock) £ 165,96£ 165,96 Check to compare Intel Xeon X3230 [BX80562X3230] CPU core: Kentsfield, CPU socket: Socket 775, Clock frequency: 2.66 GHz, Cores: 4 Specs Reviews User reviews Prices4 (3 with stock) £ 202,98£ 224,02 Check to compare Intel Core 2 Extreme QX6700 [BX80562QX6700] CPU core: Kentsfield, CPU socket: Socket 775, Clock frequency: 2.67 GHz, L2 cache: 8192 kB, Cores: 4, Fabrication process: 65 nm Specs Reviews User reviews Prices1 (0 with stock) £ 619,23£ 619,23 Check to compare Intel Core 2 Quad Q6700 [BX80562Q6700] CPU core: Kentsfield, CPU socket: Socket 775, Clock frequency: 2.67 GHz, L2 cache: 8192 kB, Cores: 4, Fabrication process: 65 nm Specs Reviews User reviews Prices2 (0 with stock) £ 229,25£ 235,84 Check to compare Intel Xeon X3220 (tray) [HH80562QH0568M] CPU core: Kentsfield, CPU socket: Socket 775, Clock frequency: 2.4 GHz, Cores: 4 Specs Reviews User reviews