1)Features GS-L02 has the same design concept as GS-L01.Of cause, it is for the applications which only hard drive is needed.GS-L02 is able to contain a full height 3.5?hdd. 2)Specification Material: Steel chassisExtruded aluminum front panel Finish/Color: Black Dimensions (w x h x d): 8.7" x 2.1" x 12.1"220mm x 50mm x 310mm Mainboards: VIA EPIA M VIA EPIA ML VIA EPIA MII VIA EPIA SP Hard Drive Bay: 3.5" HDD Optical Drive Bay: N/A Expansion Slot: N/A Front Access: No power button* Cooling System: Heat sink/heat pipe combination on mainboardChassis Fins Maximum operating environment 36oC/97oF Power Supply: Built in 90W DC boardExternal AC adapter (brick) Input: AC 100 ~ 240V Output: DC 19V ,6.32A 3)Case includes Heat sink/heat pipe combination for mainboard Heat paste Screws Power supply and cord