UPS for SSD?

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Jay Lavistria

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Aug 2, 2013
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Hey guys I'm looking to buy an SSD soon.
The 840 Pro from Samsung looks sweet.
However, I've heard SSDs can easily kill themselves in a blackout or sudden power loss.
I've been thinking about buying a UPS for it, incase the power goes out, which does sometimes on rare occasions.
However, what happens if I'm gaming or something that require alot of watts, and the UPS can't give out enough?
Will the PC shutdown, or what?
 
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SSDs can't be damaged by a power loss. Unsaved data may be lost, and non-journalled file systems may be corrupted, but it won't be damaged if it suddenly loses power.

Like most other devices, they can be damaged by a power surge though, that is what you really need to protect against.

UPS are AC devices, and as such they are rated in volt-amps which defines the maximum output current. Some may have a DC rating in watts as well which defines the maximum sustained output power.
Most UPS use a lead-acid battery which means that they can provide a sufficient amount of current for a very short period of time to maintain power to a device that is drawing far more power than the UPS is rated to deliver. In other words, they can act as a...
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geofelt

geofelt

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You may miss an update, but I doubt that any ssd will be permanently damaged by a power loss.
I would not worry too much.
But... if you have the funds and live with flakey power, a ups is a good thing.
A UPS is rated both for watts and endurance. You only need about 5 minutes to gracefully shut down.
 
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drtweak

drtweak

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Sep 17, 2012
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If you get a UPS they will be marked by a VA Number. Multiply that number by .6 to get how many watts it can handle. So a 1000VA is designed for 600 watts and will last their rated up time (15 minutes 30 minutes ect) If you have more like 800 watts it just won't last as long. But as geofelt said only need it for a few minutes to shut down properly or to just prevent a brown out from happening and the PC doing a random reset
 
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Jay Lavistria

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I dont like the Crucial MX100 solely cause of its lower speed.

I can buy a UPS. I just want to know if I'm gaming with about 500W, and the power goes out, and my (lets say) 400W UPS kicks in, will the PC still run normally or will that 100W less screw something over?
 
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Pinhedd

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Aug 7, 2007
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SSDs can't be damaged by a power loss. Unsaved data may be lost, and non-journalled file systems may be corrupted, but it won't be damaged if it suddenly loses power.

Like most other devices, they can be damaged by a power surge though, that is what you really need to protect against.

UPS are AC devices, and as such they are rated in volt-amps which defines the maximum output current. Some may have a DC rating in watts as well which defines the maximum sustained output power.
Most UPS use a lead-acid battery which means that they can provide a sufficient amount of current for a very short period of time to maintain power to a device that is drawing far more power than the UPS is rated to deliver. In other words, they can act as a suitable buffer against a transient interruption in AC mains power as long as the maximum output current is not exceeded for too long.

Some UPS, such as those from American Power Conversion (APC), can be connected to a computer and will report battery information to the OS. The OS can be configured to handle an interruption in AC power in the same was a laptop, which may include putting peripherals into low-power states and triggering a graceful shutdown before backup power is lost completely.
 
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