2. 4 x 3.5" Hot-swap Ultra320/160 SCSI Drive Bays
3. 1 x Slim CDROM Drive
1 x Slim Floppy Drive
4. 4 x 10,200 RPM Counter-rotating Fans
5. 1 x Full-height / Half-length I/O Expansion Slot
6. 1 x Low-profile I/O Expansion Slot
7. 1 x Optional 1U IPMI and 3rd LAN Support
8. Power Switch, Reset Switch & 5 LED Indicators