Western Digital My Book Studio Edition II

The My Book Studio Edition II offers up to 6TB of storage, features RAID 0 and RAID 1, and supports USB 2.0, FireWire (400/800), and eSATA connections. The drive is fast and affordable.Design and features

Drive type	3.5-inch-based dual-bay external hard drive
Connector options	USB 2.0, FireWire, eSATA
Size (WHD)	3.87x6.54x6.06 inches
Weight	5.2 lbs
Available capacities	2TB, 4TB, 6TB
Capacity of test unit	6TB
OSes supported	Microsoft Windows (Vista, 7), Mac OS 10.5 or later
Software included	WD Drive Manager, WD Anywhere Backup

The My Book Studio Edition II has exactly the same design as the previous model; it looks like a closed book. The bottom of the device is one side of the "book" and the top is the door for the two drive bays. The door can be pressed to open and the hard drives can then be pulled out to be replaced easily, without any tools.western digital book stud

WD My Passport Portable

The USB 3.0-based WD My Passport Portable offers top capacity and fast performance in a compact, good-looking, and sturdy package. It also comes with useful software, and it's relatively affordable.ccording to Seagate, a new recording technology is required for 2.5-inch hard drives to offer 2TB of storage space. WD's latest 2TB My Passport drive proves otherwise. Nonetheless, the new drive has likely reached the final frontier in terms of storage space for the current perpendicular recording technology.

Despite the top capacity, the new My Passport is as compact as any other portable drive in the My Passport family, even more compact than some, and is bus-powered, meaning you only need one cable for both data and power. At a street price of around $200 for 2TB, the drive is a great deal.wd my passport portable

WD My Book Thunderbolt Duo

The WD My Book Thunderbolt Duo makes a great alternative to USB- or FireWire-based external drives. The drive is relatively affordable, supports RAID configurations, and is easy to service.Performance 

I tested the My Book in two sets of tests. In the first set, it was stacked up against other Thunderbolt drives as well as internal drives, including solid-state drives (SSDs). In the second, it was tested the way any other none-Thunderbolt external storage devices are tested: against the test machine's internal drive. The drive was tested both in RAID 0 and RAID 1 configurations.

The reason for the first set of tests is the fact that Thunderbolt has a ceiling speed of 10Gbps, whereas the fastest internal drive caps at just 6Gbps of the SATA 3 standard. For this reason, it'd make more sense to test a Thunderbolt storage device against the other fastest possible storage solution, which currently is an internal drive, especially SSD, connected directly to a computer's motherboard. I used a 2011 MacBook Pro running OS X Lion, on a SATA 3 (6Gbps) SSD, as the test machine.my book thunderbolt

WD My Book VelociRaptor Duo

The WD My Book VelociRaptor Duo offers stellar performance, includes a Thunderbolt cable, and is easy to service.Design and features

Drive type	3.5-inch-based dual-bay external hard drive
Connector options	Thunderbolt
Size (WHD)	3.9 x 6.5 x 6.2 inches
Weight	5.2 lbs.
Available capacities	2TB
Capacity of test unit	2TB
OSes supported	Mac OS 10.6.8 or later / Windows 7 or later
Software included	WD Drive Utilities

The My Book VelociRaptor Duo shares the same signature design found in other products in WD's My Book line, such as the My Book Thunderbolt Duo, or the My Book Studio Edition II. It looks like a closed book that's standing up. On the front the new drive has a tiny power/status light and on the back, you'll find its power port and two Thunderbolt ports.wd my book velociraptor

WD VelociRaptor WD1000DHTZ

 The WD VelociRaptor WD1000DHTZ offers great performance and offers 1TB of storage space.The 1TB WD VelociRaptor WD1000DHTZ is the first hard drive I have reviewed in a long time and that's because it's among only a few on the market that can be considered an alternative to standard solid-state drives (SSDs).

Among other things, the VelociRaptor is different from its peers by offering the spinning speed of 10,000 rpm, which translates into the best performance among consumer-grade hard drives. Compared with SSDs, it's not clearly behind either, in fact outdoing some in certain tests. On top of that it doesn't suffer from limited P/E (program/erase) cycles, which all SSDs do.wd velociraptor

WD My Passport Edge

The WD My Passport Edge is compact, and offers fast USB 3.0 performance as well as useful software.Design and features

At first sight, the My Passport Edge is very different from previous models in the My Passport lineup, such as the My Passport Portable, or the My Passport Studio.The Edge is significantly thinner than more compact. Other than that, however, it's very similar to other WD My Passport drives.

The new Edge comes with a Micro-USB 3.0 port on one side and includes a standard foot-long USB cable. This is the only cable you need; it handles both power and data functions. Using bus power is now a standard feature for most if not all portable USB drives. The Edge supports USB 3.0 and should be used with computers that also support this standard for best performance, but it also works with USB 2.0 ports. I tried the drive with multiple computers, and all of the USB ports were able to power the drive. Similar to other My Passport drives, the Edge has four tiny rubber feet on the bottom to help it stay put on any surface.wd my passport edge