Table 2 lists the optional features of the Models 100 and 200.
Table 2. Optional Features of Model 100 and Model 200
| Feature | Model 100 | Model 200 |
| Up to three additional IBM IP Storage storage units, each containing up to 14 Ultra160 36.4-GB hard drives |
| X |
| 36.4 GB 10K-4 Ultra160 SCSI Hot-Swap SL HDD | X | X |
| 256 MB 133-MHz ECC SDRAM RDIMM | X |
|
| 512 MB 133-MHz ECC SDRAM RDIMM | X | X |
| 1 GB 133-MHz ECC SDRAM RDIMM | X | X |
| 5Ux24D Tower-to-Rack Kit | X |
|