Superior design and uncompromising quality control enabled Supermicro to offer high-end products with unsurpassable performance to the market. With this unbeatable track record, Supermicro has earned a reputation as a manufacturing leader in the industry. Supermicro strives to build long-term relationships with customers by providing them with outstanding engineering innovations, quality, availability, and reliability in today's mission-critical fast-paced e-world. PRODUCT FEATURES: 500W Cold-swap power supply with I2C for remote management; 4 x 3.5" Hot-swap Ultra320/160 SCSI drive bays; 1 x slim CDROM drive, 1 x slim floppy drive; 4 Counter-rotating fans; 2 I/O Expansion slots; Power switch, reset switch and 5 LED indicators.