SC812L-520U   SC812L-520U  
    1. 520W Power Supply

2. 3x 3.5" Internal Drive Bay

3. 2x 10cm Blower Fans

4. 1x Full-height Universal I/O (UIO Expansion Slot)

5. 1x Full-height, Full-length Expansion Slot

6. 1x Low-profile I/O Expansion Slot

7. Power Switch, Reset, UID Button & 5 LED Indicators