LaCie 301290 250GB Rugged All-Terrain USB 2.0 Portable Hard Disk Ultra durable 250 GB USB portable storage for people on the go USB powered; no bulky power adapter required Drop-resistant aluminum alloy shell with bumpers can withstand vertical drops of up to 35 inches Measures 3.5 x 1 x 5.7 inches (WxHxD); weighs less than 9 ounces; 2-year limited warranty