performance gaming and OS bootup. (2.5" drive in 3.5" enterprise class mounting frame) $100x2 2x Seagate Barracuda 7200.11 500GB 7200RPM 32MB buffer SATA2 mirrored at RAID 1 for data reliability. (Unknown if the mobo can actually support dual RAID configurations in a single system) $800 Optical drive: Sony BWU-800s 8x Blu-Ray Read/Write