This document describes an open source storage pod hardware design called OpenStoragePod that provides petascale storage capabilities. The basic unit is a 4U storage pod containing 6 storage nodes, each a 170mm cube with a mini-ITX motherboard, 20 laptop disks for 20TB of capacity, and a 12V DC-DC power supply. A full rack holds 10 storage pods with 60 nodes, 1200 disks, and 1.2PB of total storage capacity requiring around 6000kW of power. More information is available on the listed websites and by contacting tim@lossen.de.