| Disks | 
| Option # | Manufacturing Part #
 | Description | Previous Part #
 | 
| X5161A
 [S] | 4.2GB Disk Board
(2 × 2.1GB - 7200 RPM) | 
| 501-3113
 [F] | 0GB Disk Board | n/a | 
| 540-2936
 [F] | 2.1GB - 7200 RPM, Disk Assembly with 1 bracket and 1 of the following disks: | n/a | 
|  | Seagate ST32171WC(2.1GB - 7200 RPM - SCSI Disk)
 | n/a | 
|  | Quantum VK22J05(2.1GB - 7200 RPM - SCSI Disk)
 | n/a | 
|  |  | n/a | 
| X5162A
 [S] | 8.4GB Disk Board
(2 × 4.2GB - 7200 RPM) | 
| 501-3113
 [F] | 0GB Disk Board | n/a | 
| 540-2938 [F] | 4.2GB - 7200 RPM, Disk Assembly with 1 bracket, and 1 of the following disks: | n/a | 
|  | Seagate ST34371WC(4.2GB - 7200 RPM - SCSI Disk)
 | n/a | 
|  | Quantum VK45J05(4.2GB - 7200 RPM - SCSI Disk)
 | n/a | 
|  | IBM DDRS-34560(4.2GB - 7200 RPM - SCSI Disk)
 | n/a | 
|  | Fujitsu MAB3045SC [MAB3045S SUN4.2G](4.2GB - 7200 RPM - SCSI Disk)
 | n/a | 
|  |  | n/a | 
| X5163A
 [S] | 18.2GB Disk Board
(2 × 9.1GB - 7200 RPM) | 
| 501-3113
 [F] | 0GB Disk Board | n/a | 
| 540-3704 [F] | 9.1GB - 7200 RPM, Disk Assembly with 1 bracket, and 1 of the following disks: | n/a | 
|  | IBM DDRS-39130(9.1GB - 7200 RPM - SCSI Disk)
 | n/a | 
|  | Fujitsu MAB3091SC [MAB3091S SUN9.0G](9.1GB - 7200 RPM - SCSI Disk)
 | n/a | 
|  | Seagate ST39173WC(9.1GB - 7200 RPM - SCSI Disk)
 | n/a | 
|  | Fujitsu MAE3091LC [MAE3091L SUN9.1GB](9.1GB - 7200 RPM - SCSI Disk)
 | n/a | 
|  | IBM DNES-309170 [DNES30917SUN9.0G](9.1GB - 7200 RPM - SCSI Disk)
 | n/a | 
|  |  | n/a | 
| X5164A
 [S] | 36.4GB Disk Board
(2 × 18.2GB - 10000 RPM) | 
| 501-3113
 [F] | 0GB Disk Board | n/a | 
| 540-4177 [F] | 18.2GB - 10000 RPM, Disk Assembly with 1 bracket, and 1 of the following disks: | n/a | 
|  | Seagate ST318203LC [ST318203LSUN18G](18.2GB - 10000 RPM - SCSI Disk)
 | n/a | 
|  | Fujitsu MAG3182LC [MAG3182L SUN18G](18.2GB - 10000 RPM - SCSI-Disk)
 | n/a | 
|  | Seagate ST318404LC [ST318404LCSUN18G](18.2GB - 10000 RPM - SCSI Disk)
 | n/a | 
|  | Fujitsu MAJ3182MC [MAJ3182M SUN18G](18.2GB - 10000 RPM - SCSI Disk)
 | n/a | 
|  | IBM DDYS-T18350 [DDYST1835SUN18G](18.2GB - 10000 RPM - SCSI Disk)
 | n/a | 
|  | Fujitsu MAN3184MC [MAN3184M SUN18G](18.2GB - 10000 RPM - SCSI Disk)
 | n/a | 
|  | Seagate ST318305LC [ST318305LSUN18G](18.2GB - 10000 RPM - SCSI Disk)
 | n/a | 
|  |  | n/a |