| PART # | DESCRIPTION |
| 501-1199 | 8MB Sun 4100 CPU (270-1199-03) without FPC |
| 501-1512 | 8MB Sun 4100 CPU (270-1199-04) without FPC |
| 501-1656 | 8MB Sun 4100 CPU (270-1199-07) without FPC |
| 501-1237 | 8MB Sun 4100 CPU (270-1199-03) with FPC4 or FPC6 |
| 501-1513 | 8MB Sun 4100 CPU (270-1199-04) with FPC4 or FPC6 |
| 501-1657 | 8MB Sun 4100 CPU (270-1199-07) with FPC6 |
| 501-1462 | 16MB Sun 4100 CPU (270-1199-03) without FPC |
| 501-1514 | 16MB Sun 4100 CPU (270-1199-04) without FPC |
| 501-1658 | 16MB Sun 4100 CPU (270-1199-07) without FPC |
| 501-1463 | 16MB Sun 4100 CPU (270-1199-03) with FPC4 or FPC6 |
| 501-1515 | 16MB Sun 4100 CPU (270-1199-04) with FPC4 or FPC6 |
| 501-1659 | 16MB Sun 4100 CPU (270-1199-07) with FPC6 |
| 501-1464 | 32MB Sun 4100 CPU (270-1199-03) without FPC |
| 501-1516 | 32MB Sun 4100 CPU (270-1199-04) without FPC |
| 501-1660 | 32MB Sun 4100 CPU (270-1199-07) without FPC |
| 501-1465 | 32MB Sun 4100 CPU (270-1199-03) with FPC4 or FPC6 |
| 501-1517 | 32MB Sun 4100 CPU (270-1199-04) with FPC4 or FPC6 |
| 501-1661 | 32MB Sun 4100 CPU (270-1199-07) with FPC6 |
| 501-1129 | 0MB Sun 4200 CPU with FPC4 (obsolete) |
| 501-1274 | 0MB Sun 4200 CPU with FPC4 or FPC6, 1-Slot Backpanel |
| 501-1491 | 0MB Sun 4200 CPU with FPU-2, 2-Slot Backpanel |
| 501-1522 | 0MB Sun 4200 CPU with FPC4 or FPC6, 2-Slot Backpanel |
| SPARCstation 330, SPARCstation 370, SPARCserver 390 | |
|---|---|
| 501-1316 | 8MB Sun 4300 CPU with 1MB SIMMs |
| 501-1742 | 32MB Sun 4300 CPU with 4MB SIMMs |
| SPARCstation 470, SPARCserver 490 | |
| 501-1381 | 0MB Sun 4400 CPU |
| 501-1899 | 0MB Sun 4400 CPU |