Acer Altos R310 Service Manual page 75

Optical Drive:
One slim type high-speed CD-ROM
Non-hot-swappable hard disc drives:
Two 160GB SATA drives, for a total of 320GB
Two 160GB ATA drives, for total of 320GB
Two 73GB SCSI drives, for a total of 146GB (optional SCSI HBA)
Peripherals:
Acer monitor, PS/2 keyboard and mouse
Chassis:
Form factor: 1U racke mount
Dimensions: 440(H)x201(W)x558(D)mm
Weight: 16kg
69 Appendix A