| Part Number | Frequency | Features | BIOS | PCB | Notes |
| AMD Dual-Core Opteron |
OSK260CBBOX OSK260FAA6CB | 260HE | 2 MB L2 | 1.01 or higher | | |
OSP265FAA6CB OSA265CBBOX OSA265CBWOF OSA265FAA6CB | 265 | 2 MB L2 | 1.01 or higher | | |
OSK265CBBOX OSK265FAA6CB | 265HE | 2 MB L2 | 1.01 or higher | | |
OSP270FAA6CB OSA270CBBOX OSA270CBWOF OSA270FAA6CB OST270FAA6CB | 270 | 2 MB L2 | 1.01 or higher | | |
OSK270CBBOX OSK270FAA6CB | 270HE | 2 MB L2 | 1.01 or higher | | |
OST275FAA6CB OSP275FAA6CB OSA275CBBOX OSA275CBWOF OSA275FAA6CB | 275 | 2 MB L2 | 1.01 or higher | | |
OSA280CBBOX OSA280CBWOF OSA280FAA6CB OSP280FAA6CB OST280FAA6CB | 280 | 2 MB L2 | 1.01 or higher | | |
OSA285CBBOX OSA285CBWOF OSA285FAA6CB OST285FAA6CB | 285 | 2 MB L2 | 1.01 or higher | | |
OSA290CBBOX OSA290CBWOF OSA290FAA6CB | 290 | 2 MB L2 | 1.01 or higher | | |
| AMD Opteron |
| | 240 | 1 MB L2, Rev. CG or higher | | | |
| | 240EE | 1 MB L2, Rev. CG or higher | | | |
| | 242 | 1 MB L2, Rev. CG or higher | | | |
| | 244 | 1 MB L2, Rev. CG or higher | | | |
| | 246 | 1 MB L2, Rev. CG or higher | | | |
| | 246HE | 1 MB L2, Rev. CG or higher | | | |
| | 248 | 1 MB L2, Rev. CG or higher | | | |
| | 248HE | 1 MB L2, Rev. CG or higher | | | |
| | 250 | 1 MB L2, Rev. CG or higher | | | |
| | 250HE | 1 MB L2, Rev. CG or higher | | | |
| | 252 | 1 MB L2, Rev. CG or higher | | | |
| | 254 | 1 MB L2, Rev. CG or higher | | | |
| | 256 | 1 MB L2, Rev. CG or higher | | | |
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.