Features. Support up to 12 drives in unprecedented 30 liter MicroATx Chassis size. Designed for vertical or horizontal position, allow users to freely place CS381 anywhere. Includes two longlife L10, 70,000 hours dual ball bearing 120mm fans. Hotswap drive trays Support up to eight 3.5 or 2.5 SAS12G / SATA6G drives with two LED indicators for displaying drive status. Accommodates SFx or SFxL power supply. Support normal height expansion slots for installation of cards up to 267mm long. Kensington lock on front panel for additional securityLED Indicator. Chassis Power ONBlue. Chassis Accessing Red blinking. HDD Tray. HDD Tray HDD Power LED Red. HDD Tray HDD Access Blue blinkingFront Input Output Port. USB 3.1 Gen 1 x 2. audio x 1. MIC x 1HDD Interface. SATA drive up to 6 Gbit/s depends on drive speed. SAS drive up to 12 Gbit/s depends on drive speedCooling System. Rear2 x 120mm 1300rpm 28dBA dual ball bearing fan Life time 70000hr L10. Side2 x 120mm or 3 x 80mm fan slot optionalSpecifications. Material Plastic and metal mesh front panel, galvanized steel body. Mother Board MicroATx, Mini DTx, MiniITx. Drive Bay External 3.5 / 2.5 SAS / SATA external hotswapping x 8. Drive Bay Internal 2.5 5 mm 15 mm x 4 2 on left racks. HDD Backplane MiniSAS HD SFF8643 36 pin Connector x 2. Expansion Slot 4. Power Supply SFx / SFxL PSU. Expansion Card Limitation Up to 10.5 266.7 mm. Limitation of CPU Cooler 59 mm. Limitation of PSU 200 mm. Radiator Support Rear1 x 120 mm or 1 x 240 mm. Capacity 28 Ltr. Dimension 15.75 x 8.86 x 12.44