BPN-DE350HD is iStarUSAs third-generation trayless hot-swap hard drive cage. It features the transfer rate technology of 12Gb/s and is RAID capable. It also comes with adjustable fans speed and ultra-quiet cooling fans. Heat dissipation is enhanced by the full aluminum construction and an 80 mm fan. SATA power connector increases compatibility with most power supplies. The metal key locks help secure your hard drives and prevent unauthorized access. Converting three standard 5.25" drive bays into five usable hard drive slots, it is economically designed to maximize your investment.