Titanium Mini USB Capacity: 160, 250 GB Interface: USB Durability Rating: Tip-over Transfer Rate: 480 Mbps External Power Supply: No Fan: No Dimensions: 5.125" x 3.37" x 0.62" Weight: 6.3 oz. Price: $90 (120 GB) Web Site
The USB "MTT" series consists of pocket drives in 80-, 120-, 160-, and 250-GB capacities that weigh in around 6 ounces and are powered through the USB bus. The downside is that the drive carries only a 1-year warranty while the hard disk industry in general is moving toward 3 and 5 years of coverage.
Fantom G-Force Capacity: 250, 320, 500, 750 GB Interface: USB, eSATA Durability Rating: Tip-over Transfer Rate: 480 Mbps, 3 GBps External Power Supply: Yes Fan: Yes Dimensions: 7.75" x 4" x 1.375" Weight: 38.4 oz. Price: $132 (500 GB) Web Site
Weighing in at a slim (for a desktop external drive) 2.4 pounds, the G-Force 500-GB drive permits both USB and eSATA connectivity. The aluminum case acts as a heatsink, negating the need for a fan. The big boy among Fantom drives also carries just a 1-year warranty.
Although it gobbled up Maxtor, Seagate has managed to maintain its own identity -- and more. Its FreeAgent line of drives is actually stylish!
FreeAgent Go Capacity: 80, 120, 160, 250 GB Interface: USB Durability Rating: Tip-over Transfer Rate: 480 Mbps External Power Supply: No Fan: No Dimensions: 3.9" x 4.8" x 0.7" Weight: 6.4 oz. Price: $122 (250 GB) Web Site
Seagate thinks you should not only have 80, 120, 160, or 250 GB of portable hard drive capacity, but also peace of mind when you take it with you. The USB pocket drive will let you run e-mail, keep cookies, IM contacts, and your settings and files on the drive so you can run and access them no matter what computer you've attached it to. And not only will leave no footprint behind, but it also will synchronize your data and keep it safely encrypted as well.
FreeAgent Pro Capacity: 500, 750 GB, 1 TB Interface: USB, Firewire, eSATA Durability Rating: Tip-over Transfer Rate: 480 Mbps, 400 Mbps, 3 GBps External Power Supply: Yes Fan: Yes Dimensions: 7.5" x 1.4" x 6.3" Weight: 16 oz. Price: $260 (1 TB) Web Site
Although this is technically a desktop drive, Seagate provides the same file and settings options as it does with the Go model for running some applications and accessing your data without leaving a trace of what you've done on an attached PC. There are two iterations of the Pro: one that supports FireWire, USB, and eSATA and another that lets you shave a few dollars off the price by omitting the FireWire option.
FreeAgent Desktop Drive Capacity: 250, 320, 500, 750 GB Interface: USB Durability Rating: Tip-over Transfer Rate: 480 Mbps External Power Supply: Yes Fan: Yes Dimensions: 6.4" x 1.6" x 7.5" Weight: 16 oz. Price: $100 (500 GB) Web Site
While the Pro version of the FreeAgent tops out at 1 TB, the Desktop Drive takes a step "backward" with 250-, 320-, 500-, and 750-GB sizes. It also sports only a USB interface. Seagate's brag for this line is that its footprint is about the size of a stapler and the USB port is in the base.
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