• Total 4 bays
• Accepts regular or 12x13" DUAL XEON or AMD ATX mother board
• 2 blower fans
• 2 x 4cm fans
• front access USB port

Specifications:

• Drive Bays:
  1x slim 5.25"
  1 x FDD 3.5"
  1x hot/swap
• 1x3.5" hidden
• One PCI Riser card included
• Operational temperature range: 1 ~ 55°C
• Cooling Fans:  1 x 12cm blower,1 x 9cm blower, 2 x 4cm fans
• Power Supply
  ATX - 350/400w
• Dimensions: 19" x 25.6" x 1.74"(W x D x H)
• Gross weight: 35 lbs (w/ Slim power supply).

Options:

• Low Profile CPU fans
• Riser card with ribbon cable (see riser card notes)
• I/O shield for different mainboard
• Black only
• Sliding Rails 
• New: with 1 x Hot/Swap Tray (IDE, SCSI or SATA)