AVR or UPS? for my rig

[Keira Nightley]

for my build whats the suitable component?

http://pcpartpicker.com/p/4rhTt6

the comp shop where i bought all these wants throw in a secure AVR 500w for free(http://www.gigahertz.com.ph/brands-23/ups-avr/secure-avr-500watts)

Q: is the AVR enough or should i go with UPS instead?

 

[Cristi72]

Hello,

If you have some very sensitive equipment which requires voltage regulation, then go for an AVR. Otherwise, an UPS is the way to go (it also has voltage regulation, albeit not continuous, and in case of a power failure it gives you the opportunity to shut down the PC, having a back-up battery pack).

That AVR is actually an 350W one (500VA), so keep that in mind when pick your PSU (an empirical formula between active and real power: W = VA/1.4142 ).

Your PCPartpicker doesn't work; post the Permalink.

 

[patrichpachich]

UPS is for power outrage trouble and avr would be fine on power fluctuating, take on mind that you will be needing them if your area has power fluctuating or outrage problems.

 

[Keira Nightley]

sorry bout that .. edited the post link is now up and running

as far as power interruption is concerned, we rarely have that one here

 

[Cristi72]

Your system will consume up to 400W at full CPU/GPU throttle, that means it will draw up to 500W from the wall. If you add the rest of the peripherals (the display: 25...50W, standard speakers: 5W, etc.), you will end up to some 550W consumption, so at least an 800VA UPS/AVR.

UPS vs AVR: I would go for the UPS, because it has the advantage of disconnecting the load when the input voltage is out of range (as an example: it works normally for 175V...250V, and enters in back-up mode when the voltages are below 175V and above 250V).

As I was saying, an AVR is showing its utility mainly when a regulated voltage is needed.

The best solution is to use an Online UPS, which can sustain all the time the output voltage to a stable value (the main disadvantage: the price).

EDIT: I suggest to use this motherboard instead:
http://pcpartpicker.com/part/asus-motherboard-h97mecsm , it will give you the best CPU compatibility (your choice may need a BIOS upgrade to support a Haswell Refresh CPU, as it has an 8-series chipset).

 

[Keira Nightley]

about the specs its already bought so i wont be able to change anything, true h97 board doesnt need a bios update and houses more components choosing that one over b85 is a big diff in $

about the AVR/UPS, yeah UPS here kinda expensive so i rather go with AVR, is that the real computation of AVR? my computed load on psu site .. idle and load is as follows: idle 250w load 350-400w.. minus the peripherals monitor and speaker directly plug into socket

 

[Cristi72]

No way your system will idle at 250W, more like 80W (my seriously outdated rig draws 200W at idle, and that is with 2x125W Opterons, an GTX570, 8 fans and 4 HDDs). As I was saying above, an 400W estimated consumption translates in 500W consumption (you must take into account the PSU efficiency, which is 80% in worst case scenario) so 710VA at the wall. I suggest also to use the UPS/AVR for all your peripherals, not only for the PC. Use an 800VA AVR/UPS.

Your motherboard of choice has a price of 104.5$, while my suggestion hovers between 93$ and 106$; where is the big difference?