Looking for 2 UPS's for Server/Gaming PC & Modem/Phone
On 10/28/2016 at 3:51 AM, Inrix said:-snip-
Sorry for the late reply, went to sleep / LTT was down.
Ah, you should be able to get away with 1200VA or less for the server. My server uses 200-250W while running, and it gets 48min on my UPS unit.
I still think you should split up the PC and server (with modem). You might get a better run time out of two smaller units vs one larger one (and pay a lot less).
Well, my recommendation would be the Eaton 5S series or the 5P series (5P costing more). They should be good, both line interactive (with the 5P being more power efficient), and the capacity depends if you have the server / gaming PC on a single UPS or not. Do note that you need to stay below the VA rating (which is usually just a tad lower than the wattage usage).
To find runtimes, every company usually has a graph that shows you a estimated run time at a set wattage usage. Eaton's website is fairly close, but I'd usually give yourself a 5% buffer on runtimes.
Ah, do note that there's three forms of power output, square, stepped sine, and pure sine. Pure sine is the most expensive, where square is the cheapest and terrible. Most PSUs will not power with square. Stepped sine is usually the norm for most mid range UPS units.
There's also three types of UPS units, standby, line interactive, and double online conversion. Standby is the cheapest, where it just turns on when the voltage drops, but does not correct any voltage drops (before the battery kicks in). Line interactive is the middle of the road, it tries it's best to correct voltage dips, and if it gets too low, it goes to battery. Double Online conversion is the most expensive and fancy, where it literally converts the AC input to DC power, then reconverts it back to AC power, effectively creating pure AC from scratch. It completely kills out electrical noise as well. It's severe overkill / is loud for home use. Double online gives out a constant power output, with a greater range than line interactive, but it is loud because it needs to have a fan always on because it's always converting power at all times.
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