| Part Number | Frequency | Features | BIOS | PCB | Notes |
|---|
| Intel Xeon |
AT80602000804AA
BX80602E5502 | E5502 | 4.80GT/s QPI | | | |
AT80602000801AA
BX80602E5504 | E5504 | 4.80GT/s QPI | | | |
AT80602000798AA
BX80602E5506 | E5506 | 4.80GT/s QPI | | | |
AT80602002091AA
BX80602E5520 | E5520 | 5.86GT/s QPI | | | |
AT80602000792AA
BX80602E5530 | E5530 | 5.86GT/s QPI | | | |
AT80602000789AA
BX80602E5540 | E5540 | 5.86GT/s QPI | | | |
AT80602002712AA
BX80602L5506 | L5506 | 4.80GT/s QPI | | | |
| AT80602002697AC | L5508 | 5.86GT/s QPI | | | |
| AT80602002265AB | L5518 | 5.86GT/s QPI | | | |
AT80602000810AA
BX80602L5520 | L5520 | 5.86GT/s QPI | | | |
AT80602000771AA
BX80602X5550 | X5550 | 6.40GT/s QPI | | | |
AT80602000768AA
BX80602X5560 | X5560 | 6.40GT/s QPI | | | |
AT80602000765AA
BX80602X5570 | X5570 | 6.40GT/s QPI | | | |
AT80614004320AD
BX80614X5650 | X5650 | QPI 3200 MHz, L3 12 MB | | | |
AT80614005127AA
BX80614X5660 | X5660 | QPI 3200 MHz, L3 12 MB | | | |
| AT80614005154AB | X5667 | QPI 3200 MHz, L3 12 MB | | | |
AT80614005130AA
BX80614X5670 | X5670 | QPI 3200 MHz, L3 12 MB | | | |
When part numbers are not supplied by motherboard manufacturers,
we use best guess approach to determine part numbers based on CPU model,
frequency and features. In some cases our guess may be incorrect or incomplete.
Please always verify part numbers before committing to buying the CPU.