ATi - ATI Radeon X500 series
| Model | MHz | Core | ||
| ATi | Radeon X550 128mb | 400/250 MHz | 1x RV370-x5 | 522 Subs |
| ATi | Radeon X550 256mb | 400/250 MHz | 1x RV370-x5 | 357 Subs |
| ATi | Radeon X550 64mb | 375/250 MHz | 1x RV370-x5 | 28 Subs |
| ATi | Radeon X550 SE | 400/250 MHz | 1x RV370-x5 | 132 Subs |
| ATi | Radeon X550 XT | 400/300 MHz | 1x RV410-5 | 23 Subs |
| ATi | Radeon X550 XTX | 400/400 MHz | 1x RV410-5 | 44 Subs |
