Detailed features: 4U 20-slot rackmount chassis with ACE-935AL ATX power supply
4U height 19" Rack mounting chassis Two set of reset switches & HDD indicators for dual system applications Plastic front panels AT type KBD connector on front panel with cap protection Drive Bays: 2 x 3.5" FDD and 2 x 3.5" HDD One 8cm and one 12cm cooling fans with filter Designed with anti-vibration card clamp to keep system stable Supports power supply: PS/2 size ATX PSU Optional rack-mount slide : 24" or 30" Vibration: 5~17Hz, 0.1" double amplitude displacement 17~640Hz, 1.5G acceleration peak to peak Shock: 10G acceleration peak to peak (11ms) Color: White (PANTONE 413C) Dimensions: 431(W) x 176(H) x 573(D)mm; (17" x 6.9" x 22.6") Net/GW (kg): 12/17