Inside View       Show Part Numbers       Hide Part Numbers 1008529, 4055, 4364, 4660, 4986, 5022, 5023, 5062, 5091       Show Model(s)       Hide Models 819GM, 820GM, 825GM, 832GM, 835GM, 840GM, 836GM, 836GH This is the inside of the computer. Refer to the following table for more information. How do I remove and replace internal components? Item Description A 5.25-inch external drive bays (2) B Power supply C 3.5-inch external drive bays (2) D CPU air duct E CPU fan F Hard drive (3.5-inch internal) bays (3) G Motherboard H Variable speed exhaust fan I Add-in card slots