Antec P183 case main specs include:

• Style: Mid-tower
• Application: ATX and smaller form factors derived from this one.
• Material: Zinc-coated steel (SECC).
• Power supply required: Doesn’t come with the product. Support for Antec CP series.
• Available colors: Gun metal.
• Side panel: Solid.
• Dimensions: 20 ¼” x 8 5/64” x 19 61/64” (51.4 cm x 20.5 cm x 50.7 cm) (H x W x D).
• Net weight: 30.9 lbs / 14 kg
• Bays: Four external 5 ¼” bays, one external 3 ½” bay and six internal 3 ½” bays (in two cages).
• Expansion slots: Seven.
• Fans: One 120 mm on the top and one 120 mm on the rear. Three-level speed control for both.
• Optional fans: Two 120 mm fans on the front panel, in front of the hard disk drive cages, one 120 mm fan attached to the upper hard disk drive cage (hard drives can’t be installed in this cage if this fan is installed).
• More Information: http://www.antec.com
• Average price in the US*: USD 165.00