Western Digital has added to the gradually expanding pool of USB 3.0 devices, announcing two new My Book 3.0 external hard drives. Debuting in a 1TB capacity, the My Book 3.0 is available both as a standalone unit ($179.99), and bundled with a PCIe USB 3.0 adapter card ($199.99). The company will reportedly introduce another model later this week, with 2TB of storage and a price tag of $279.99.

BlackArmor PS 110 Performance Kit

Likewise, Seagate unveiled its SuperSpeed-enabled external drive today. Called the BlackArmor PS 110 "Performance Kit", it includes a 2.5-inch 500GB 7200RPM portable hard drive, an ExpressCard adapter, as well as backup software and AES 256-bit encryption for backed up files. Seagate is currently selling the 500GB BlackArmor PS 110 for $179.99 on its site.