Pricing and specs
Here are the prices and specs of the new Xeons as represented on Intel's price list. Obviously they're all made using a 45nm manufacturing process.
The first 12 are listed as server/workstation processors and use sockets LGA1366 or LGA771. The bottom three are listed as 'Server UP' and use socket LGA 775.
| Model | L2 Cache (MB) | Clock (GHz) | Power (W) | QPI (GT/s) | Price ($) |
| W5580 | 8 | 3.2 | 130 | 6.4 | 1,600 |
| X5570 | 8 | 2.93 | 95 | 6.4 | 1,386 |
| X5560 | 8 | 2.8 | 95 | 6.4 | 1,172 |
| X5550 | 8 | 2.66 | 95 | 6.4 | 958 |
| E5540 | 8 | 2.53 | 80 | 5.86 | 744 |
| E5530 | 8 | 2.4 | 80 | 5.86 | 530 |
| E5520 | 8 | 2.26 | 80 | 5.86 | 373 |
| E5506 | 4 | 2.13 | 80 | 4.8 | 266 |
| E5504 | 4 | 2 | 80 | 4.8 | 224 |
| E5502 | 4 | 1.86 | 80 | 4.8 | 188 |
| L5520 | 8 | 2.26 | 60 | 5.86 | 530 |
| L5506 | 4 | 2.13 | 60 | 4.8 | 423 |
| W3570 | 8 | 3.2 | 130 | 6.4 | 999 |
| W3540 | 8 | 2.93 | 130 | 4.8 | 562 |
| W3520 | 8 | 2.66 | 130 | 4.8 | 284 |