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My+ old one died same modlue have had good service

Silent operation when grid power is on. (Not all UPS's are silent. Some drone all the time.) Fans only come on when grid power goes off. Also, the unit comes with rack mount hardware including a RACK SHELF! Controls are easy to use and graphic display makes sense.

This solved a dirty power issue for an industrial control panel I service frequently.

Length: it's shorter than others so it will mount fine in 2 post racks using included heavy-duty mounting brackets. Price: excellent value for your dollar. Tons of features you would not expect for a device under $1000. Quiet: does not make a horrible racket like other UPS in its class. Just a periodic chirp and light fan sound. Powerful: 20A means you can put more load on it and it will charge faster.

- Great packaging, fast delivery.

Got here in 2 days. Put it in and it is working well so far. Got 7 years of continuous use of the one it replaced. Hope to get at least this long with these new batteries. Came in at 85% charged. After plugged for an hour it went to 100%. So, no issues.

Great unit. Installed in wall mount rack with a FreePBX phone system and all the gadgets to go with it.. Powering a Dual Xeon Desktop, *no monitor*, 2 Gransdtream 32 Port FXS gateways, and a 24 Port Swtich, Getting 18-20 Minutes of backup time... perfect for my application! Good price, good value. As long as it lasts several years will be a great product.

BIGGEST PRO: Runs my Antec Signature SG-650, which is very sensitive to input waveform; the reason I got it. Comprehensive front panel display including wattage of attached devices. Looks to provide a decent amount of run time (26-27 minutes for an unlocked 740BE and a HD5770). Has plenty of outlets, but see con. Less expensive than its true sinewave competitors. User-replaceable battery.

We have used these many time and always have good luck with them

- Works as advertised, supports my mid-range PC with dual monitor setup long enough to save, close my work & shutdown when outages/fluctuations occur - power supplied to my devices plugged in remains consistent & entirely uninterrupted - Has lived through over a dozen power flickers & full on outages in my small town which is notorious for frying household appliances with our terrible power company (in southern Ontario, Canada) - Alarm when wall power is lost and UPS has kicked on can be turned off/on - Alarm, when on, is not excessively loud - the word alarm makes you think it will be screaming at you but it's comparable to a microwave button beep, probably a little bit quieter - When alarm is turned off, it still makes a very audible click when kicking on due to external power being cut off, so unless you have closed headphones or are blasting music you'll probably know the power went out if you didn't have any other indicator (like you had your lights off in your room mid-day or something) and can begin shutting your stuff off