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Forum Discussion
to UPS or not to UPS?
Hi
I have some questions that I'm sure have been asked before, but maybe not...
I am thinking of adding a UPS to my Ready NAS Duo 2 * 2TB Seagate Barracuda setup.
My data isn't critical, but I've no surge proetection on it currently and I'd like to protect it, especially if its not too expensive.
What UPS would you recommend? I am looking for something uniquely for my ReadyNAS, I have no servers or PC's to protect.
Presumably something with a very low Wattage would suffice.
secondly, I have been offered an APC Smart-UPS 750VA LCD 230V at a low price (second hand)
I have tried to find out what the running cost of something like this is. Its a 500W device, does this mean it consumed 500W per hour when switched on?
Sorry if this is a basic question, but I really can't find the answer. I need to work out how many kWh a UPS will use per month, if its continuously using 500W then this would be far too expensive for me...
thanks
Richard
I have some questions that I'm sure have been asked before, but maybe not...
I am thinking of adding a UPS to my Ready NAS Duo 2 * 2TB Seagate Barracuda setup.
My data isn't critical, but I've no surge proetection on it currently and I'd like to protect it, especially if its not too expensive.
What UPS would you recommend? I am looking for something uniquely for my ReadyNAS, I have no servers or PC's to protect.
Presumably something with a very low Wattage would suffice.
secondly, I have been offered an APC Smart-UPS 750VA LCD 230V at a low price (second hand)
I have tried to find out what the running cost of something like this is. Its a 500W device, does this mean it consumed 500W per hour when switched on?
Sorry if this is a basic question, but I really can't find the answer. I need to work out how many kWh a UPS will use per month, if its continuously using 500W then this would be far too expensive for me...
thanks
Richard
5 Replies
- Check my signature. Running this UPS 24/7 for about 2 years now.
UPS 1 APC Back-UPS CS 350, Battery charge: 100%, 29 minutes OK
I'm very, very happy that I bought it. There have been few power problems and UPS saved me from rebuild volume, so having an UPS is really peace of mind. Your data might not be important because you have it, now imagine if you loose all your data. Would be important then? I'm guessing yes. - I recommend using a UPS. I use APC Smart-UPS units.
When plugged in the UPS has to charge it's battery. Once the battery is fully charged it only needs to maintain 100% charge. So most of the time power usage should depend mainly on the power usage of the devices you have connected to the UPS. - While a second hand unit sounds great, and the Smart-UPS 750VA LCD is a nice unit, you need to check on something first. Are replacement batteries available locally and if so, at what cost. I have two Back-Ups NS1250 LCD units and find the LCD is very handy. It will give you the input voltage, how many minutes it has left and other info. I recently replaced the batteries in the unit attached to my NAS units (and primary PC) after about 5 years for a cost of $80. A new unit (without the LCD) would cost about $150. Add the replacement cost of the batteries to the asking price of the unit and then decide if it is a good deal.
Batteries have a life of about 3 to 5 years depending on usage. The unit will tell you when it's time to replace the batteries.
Even if you only use it as a big surge protector, it may save your equipment some day. - To answer your original question, the 500W only refers to the amount of power the unit will provide when there is NO A/C connection.
A Duo will last for 2 hours or so with 2 drives on a 500W UPS - more than enough.
All the UPS has to do in your case (mine also) is to last long enough to shut down in a controlled manner.
I have a ProPioneer w 5 drives and an Ultra 6+ w 2 drives on 1 1500W UPS than will last 60mins (says Frontview).
If you are going to run more than 1 NAS on the UPS then make sure that ALL network components in the link are ALSO on UPS (seems obvious really). - I have my router, cable modem, vonage adapter, and readynas duo connected to an apc 550 ups and it says it will last around 36 minutes. id rather have all of that equipment being protected from power surges and power outages than take a chance at something getting knocked out by power fluctuations.
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