Supermicro Case CSE-512-203B 1U 200W 1x 3.5 inch SAS/SATA 1x10cm Fan Black Retail. 1. 200W High-efficiency Power Supply 80 PLUS, Gold Level Certified 2. 1x 3.5 \' Internal Drive Bay 3. 1x 10cm Blower Fan 4. 1x I/O Expansion slot 5. 2x Front USB 2.0 Ports 6. Power Switch, Reset, and 5x LED Indicators 7. Compact Size