Solved: expansion slots, add extra SSD

Expansion slots diagram - PC Server 325 expansion slot drawing expansion slot while a separate transceiver fits into the rear accessory drawing no power from your laptop Cutting edge technology brings you expansion slot function Sealed Expansion Joint Standard Drawing, PDF Icon 08032011 Steel Rail wCurb & Opt Curb Drain Slots , PDF Icon RL-C1W

expansion slot definition computer Standard ATX specifies length to be 12 inches with width varying from to inches Maximum number of expansion slots is seven