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Pros: I picked up this Toshiba 500GB SATA drive with some trepidation due to all the bad reviews...and several months later, it's still going along perfectly in a Dell Optiplex 780 tower.
Cons: While I can't say anything bad about the drive itself, Toshiba's support site is a complete farce. Although they have a category for storage products, all avenues to support demand that you provide the model or serial number of your product.
In the case of this drive, Toshiba's site claims that both are invalid!
This would have greatly complicated migrating from my old drive to this one were it for the fact that I'd done so in the past and had software already installed on the computer for that task! (There are also plenty of free and low-cost options.)
Other Thoughts: The bad reviews of this Toshiba 500GB hard drive made me very nervous. For me, this drive has worked out perfectly well.
I test all my hard drives aggressively before putting them into service using GRC's SpinRite testing tool, and this drive took the longest of any hard drive I can remember to get through the maximum testing level. I don't know why--it didn't reallocate any sectors during the test, and it's quite fast in normal use.
Pros: I popped this drive into a newly installed four channel standard definition surveillance DVR system after giving it a good workout in a personal computer with GRC SpinRite. It got through the tests without issue and has been recording video nonstop for a little over a month now (relative to the posting date of this review).
So far, the WD20PURX drive is working without incident.
Cons: None so far.
Other Thoughts: The troubling reviews of this drive made me wonder if purchasing it was a good idea. So far, its performance has been flawless under 24/7 use. If it were going to break down, I would have expected it to do so by now.
Maybe WD did have quality control problems with these early on?
This review is from: CyberPower Intelligent LCD Series CP1350AVRLCD 1350 VA 810 W 8 Outlets UPS
Pros: Cyberpower's inclusion of a conventional DB9 serial port on a consumer grade UPS is invaluable if you still happen to need one. USB connectivity is also present. Other UPS makers have largely stopped including standard serial ports on anything other than business grade or large capacity UPS models.
The status display is large and reasonably informative (but see "cons"). The UPS itself seems to work pretty well, and it's compatible with any operating system that has generic USB HID UPS drivers built in (Windows, BSD, Mac OS X, most Linux distros) for basic assisted powerdowns.
Cons: Cyberpower's software was a little difficult to get installed. I'm using this UPS with an older computer running Windows 2000, and every time I tried to run the installer, it would complain of an issue with the installer's digital signature. The Cyberpower website has nothing on this issue, luckily the solution came up after a few web searches and a visit to the Symantec/Verisign web site.
Although the LCD status display is something I look for whenever I'm buying a UPS, and it's nice that Cyberpower included one, it could be more informative. Instead of providing load readings in volt-amps or wattage, it displays the information in kilowatts. This is rather curious since this model would never stand a 1 kilowatt load. The display also does not show a collected number of power failure or disturbance events as some competitors do.
Silencing the alarm or changing other more advanced settings requires you to install the provided software. Fortunately, the setting sticks even if you remove the software or set it from another computer. A physical button to silence the alarm would be appreciated.
Other than using it to disable the alarm, I didn't have any significant interaction with the software. It seemed serviceable enough at a glance, and certainly no worse than competing software products.
It would be nice to have an option to leave the display illuminated at all times when power conditions are normal.
Other Thoughts: I never used to be a fan of Cyberpower's power conditioning products. All of the old models I saw had bizarre software with counterintuitive GUIs. Worse than that, every example I saw had developed serious reliability problems. Outlets that no longer functioned and units that had overheated to what I consider a dangerous extent were common.
Since then, I think Cyberpower has really stepped up their game on quality control and engineering. This UPS seems well made and I hope it lasts quite a while.
I don't understand the complaints of issues with those using power supplies having active power factor correction circuits. I have used these UPS units with new computers and old ones alike that have active PFC power supplies and not a one has ever skipped a beat when the power went out.
If you are by some chance affected by this issue, Cyberpower has a few true sine wave output models that are good for devices (such as electric motors) where use of a modified sine-wave UPS such as this could cause problems. These true sine-wave output models are much more reasonably priced than their competition, at least as of this writing.