Features and Benefits Compact size to save space,Depth=250mm With industrial aluminum front door (with hiden vent holes) Universal I/O (Option) Donot need sliding rail install on rack SPECIFICATION Dimension (W*H*D) 19" x 1.75" x 9.84"/ 482 x 44.5 x 250 (mm) Material Construction Heavy-duty & Rugged steel 1.0mm M/B Size 17cm x 17cm (Atom Mini-ITX) Expansion 1slot 32bit riser card PCI100-32-R (Option) 1slot 32bit riser card w/robbion cable PCI100-32(Option) Universal I/O opening,fit all M/B (Option) Control & Indicator 1x Power switch +1x Reset switch 1 x LED (power) +1 x LED (HDD)+1 x LED (Fan)+2x USB Cooling Fans 3 x 4028cm Fan DriveBay 1x 3.5" or 2x 2.5"(Internal) Power Supply Silent 1U Flex P/S 200w (max 250w) (option) Sliding rail Donot need CPU cooler 1U CPU cooler (option) Color Black or Beige Operation Temperature Up to 50C (122℉) Operation Humidity (Non-condensing) Up to 90% Packing Measurement CBF / CBM 1.2 / 0.033