Unique design, advanced cooling, and exquisite craftsmanship are only a few of the many special features for the new cooler master x craft. With its mirror finishing, one of a kind meshed screen design, and the use of high quality aluminum, the x craft simply is the foremost choice among all. Quality was never compromised during the engineering and designing process while maintaining a sleek look to the product. Built-in usb 2.0 Hub with multitrak technology provides one transaction translator per port for each usb device, which ensures the best performance from the computer system and guarantees not to waste any one bit of the total 480mbps data transfer rate while linking to the computer usb host. Moreover, the x craft has pandg back up system built-in. With x craft in hands, external enclosure is not only a stylish box but a fulfillment to digital life and smart management. Tool-free and professional hdd cooling designs ingeniously create hassle-free installation and address the hdd over-heating concern. Undoubtedly, the all new x craft external hard drive enclosure is your dream come true for the most stylish and convenient storage solution. Features: tool-free and easy installation. Unique fan-less silent heat dissipation design. Two usb 2.0 Hi-speed ports. Hdd shock-proof mechanism. Supports all 3.5 Pata hard disk drives up to 500g. Multitrak technology provides transaction translator per usb port to ensure. That hard disk and the other usb devices have best performance. Attractive blue led for power and red led for hdd activity. Stylish anodized aluminum cover and stand. Plug and play and hot-swappable. Compatible with both windows and mac os. Specifications: case material: aluminum, plastic and metal. Power adapter: 5v/2a, 12v/2a. Input voltage: 100vac-240vac. Dimensions: 8.86H x 4.72L x 1.5W (225mml x 120mmw x 38mmh). Os window: 98se/me/2000/xp; mac 9.1 Higher/10.2Higher. Upc code: rx-3hu-lab1-gp (usb) - 870423000419.