The eSATA Mercury is equipped with a Hitachi internal hard drive that spins at 7200rpm.
(Credit: Dong Ngo/CNET Networks)I asked for it a few blogs ago and now I've got it: the first pocket-size external hard drive that features an eSATA connection, the eSATA OWC Mercury On-The-Go. eSATA is the external interface for SATA, currently the most popular interface for internal hard drives.
A while ago, OWC introduced the world's largest small external had drive and has now become the first vendor to put eSATA on a compact external hard drive. The eSATA OWC Mercury On-The-Go also supports USB 2.0 and features a 320GB internal hard drive from Hitachi that spins at 7200rpm (as opposed to the 5400rpms in most external hard drives of this physical size). It is also the largest in capacity among high-speed, compact external hard drives.
The new OWC comes with an eSATA and a USB 2.0 connection.
(Credit: Dong Ngo/CNET Networks)The drive is bus-powered when used with the USB 2.0 connection and requires the included adapter for the eSATA connection. This is because by nature, the eSATA connection doesn't (yet) support drawing juice from the computer to feed the external drive.
The eSATA OWC Mercury costs $250. You can get a USB 2.0-only version for less, or the triple FireWire 800, FireWire 400, and USB2.0 version if you're willing to pay little more money.
More and more vendors have been joining the bandwagon of pocket-size portable external hard drives and it's interesting to see how each of them manages to make their product unique in its own right. The G-Drive mini Triple from G-Technology is one example of this.
The drive sports a very rugged, metallic look with its aluminum casing that also works as the cooling solution. Despite having metal all over, the drive is still very light, weighing only around 9 ounces. Designwise, the G-Drive is compact, however, if the Signature Mini appeals to the ladies, the G-Drive definitely screams masculine.
The G-Drive supports all USB 2.0, FireWire 400, FireWire 800 data connections.
(Credit: Dong Ngo/CNET Networks)The version I have in my hands on today is the first drive I've run into that not only operates at a fast 7,200rpm (as opposed to 5,400rpm of other drives), but also backs that up with a high 200GB capacity. Whether this translates into higher throughput remains to be seen and CNET Labs will figure this out soon. The G-Drive mini Triple also comes in other sizes ranging from 160GB to 250GB. However, the high-speed version is only available in 200GB. (While the 5,400rpm 2.5-inch hard drives hit the 500GB mark a while ago, the top space for 7,200rpm version still remains at 200GB for now).
The "Triple" in its name refers to the fact that the drive features all available connection types for compact external hard drives: USB 2.0, FireWire 400, and FireWire 800. I reviewed the OWC Mercury recently that offers the same flexibility in data connection, but the Mercury is noticeably larger than the G-drive. Like the Mercury, the G-Drive also offers bus-powered capability with any of those connections and still comes with an external power port for older computers, of which the USB/FireWire ports may not have enough juice to power the drive. Most of the time, you will not need that adapter and it's only available as an accessory that you can order from G-Technology's website.
The G-Drive mini Triple works with both Mac and PC, though it's preformatted for Mac. It is available now for $279 for the 7,200rpm version or $259 for the 5,400rpm version. You can also get smaller sizes for cheaper prices accordingly.
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