Five eSATA Drives Reviewed
I have been thinking of getting a 1TB Western DIgital Mybook external hard drive and was researching on the speeds of the eSATA interface when i came across this review. For those who are scratching their heads and saying ” Huh? Whats eSATA?”:
Standardized in mid-2004, eSATA or EXTERNAL SATA defined separate cables, connectors, and revised electrical requirements for external applications:
* Minimum transmit potential increased: Range is 500–600 mV instead of 400–600 mV.
* Minimum receive potential decreased: Range is 240–600 mV instead of 325–600 mV.
* Identical protocol and logical signaling (link/transport-layer and above), allowing native SATA devices to be deployed in external enclosures with minimal modification
* Maximum cable length of 2 m (USB and FireWire allow longer distances.)via wiki
Note that most if not all of these external drives support multiple interfaces, so dont be surprised to see eSATA with firewire and USB2.0 support.
We gathered five eSATA hard drives, perfect for data backups and portability, and pitted them against each other with performance tests. In doing so, we also exposed the gap between eSATA and USB 2.0, since each drive is also capable of the latter. Here are the products we tested:
* Cavalry CAXM37500
* Iomega Silver Series Professional Hard Drive
* LaCie d2 Quadra
* Seagate ST305004FPA1E3-RK FreeAgent Pro
* Western Digital MyBook Premium ES Edition
Read the full review here
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