Figure showing locations of the power supply, PCI card bracket (full-length), riser card assembly (full-length), PCI card bracket (low-profile), server board (accessory to system), PCI add-in card (accessory to system), riser card assembly (low-profile), processor air duct, front panel board, intrusion switch, Control panel, flex bay (optional DVD/CD-ROM drive/FDD module available), tape drive bay (tape drive available from others), hard drive bay (one of six, accessory to system), backplane board on the Sun Fire V65x server.