Description: This is an excellent enclosure which is built with JM20337 controller which is a single chip solution to bridge between USB 2.0, SATA and ATA/ATAPI-based mass storage device. It provides the capability to translate USB 2.0 mass storage commands to serial ATA I / II / III and ATA/ATAPI communication protocol. The USB adheres to the Mass Storage Class Bulk-Only Transport Specification, and supports dual LUN operation, which could connect to two ATA/ATAPI devices or one ATA/ATAPI device associated with one SATA device. The embedded command parser supports both ATA and ATAPI command set with LBA48 bit addressing capability. Solid thick aluminum material with large corner screws Built-in 3" Quiet Fan On / Off switch Hot-Swappable, Plug-n-Play Compatible with all SATA I / II / III and IDE 3.5" HDD USB 2.0 device, fully backward support USB 1.1 Compliance with USB 2.0 (Hi-Speed) electrical specification Supports High speed data transfer USB 2.0 (up to 480Mpbs)/1.1 Best ventilation design with a 3-inch built-in quiet Fan Power Supply Unit and Power Cord is included LED Work Indicator AC input: 100 - 240V/50 - 60Hz DC output: +12V 2.0A Size: 8" x 5" x 1.81" Compatible with Win 98 or above (Win 7 READY!), MAC OS X or above, Linux Package included: 1x 3.5" SATA + IDE Hard Drive USB External Caddy Case 1x USB 2.0 cable 1x SATA HDD connection cable 1x IDE HDD connection cable 1x Power Supply 1x Power cord 4 x screws