2. 14 x 1" SCA Ultra320/160 SCSI Hot-swappable Drive Bays
3. 1 x 2-port USB, 1-port RJ45 COM port, 2.5" SATA Drive Bay
4. 6x Full-height, Full-length expansion slot
5. 4 x 9cm Hot-swappable Fan
6. 2 x 8cm Rear-exhaust Fan
7. Power Switch & 5 LED Indicators