HP Storageworks EVA4400 Two controller units (HP AG637A) with two power supplies and two I/O Modules, and 10 drive Arrays (HP Part AG638B), each drive array has 12 Drives each ( 4x1Tb FATA, and 9x450Gb 10k). Can include Compaq 42U rack. Used briefly for a project, then decommissioned. All drives functioning when shutdown. Offers on $1600 Pick up only, weighs a ton.