Pros: Worked OK. Easy to install drives

Cons: Would not stay powered on with 2 WD Blue 1TB drives. OK with WD Green or Green and Blue Long pauses (2-4 seconds) every 5-10 seconds on large file copies. Saw there was a V2 Firmware upgrade on SYBA website so downloaded that; made backup of current FW and updated FW. Didn't solve delays so tried to reinstall old, saved, firmware - this failed. tried multiple times then update finally said passed but unit not functional. Now have 75% light flashing (others on solid). Unit not recognized by Win7 OS. The SYBA has been 'bricked'. SYBA website had Tech Support help form on website so I filled it in detailing all that happened. That was 7 days ago. No response from SYBA. Bad/incomplete info on website as to firmware versions.

Overall Review: If it works OK and slight delays between copying blocks of large files do not bother you it's probably OK for you just do not try to update the firmware. And it the constantly on clone lights (blue LED's for 25%, 50%, 75% & 100%) will not bother you (tape them over if it bothers you) then it will probably work for you. For my brothers I'll be getting them the Sabrent with fan. That's 4 more units I will not be buying from SYBA mainly because of bad (as in not responsive) Customer Support (based on my 17 years as Senior Technical Support Engineer at MTS).