Corsair 650W ATX/EPS 80 PLUS Power Supply Unit £38.45 (Amazon Warehouse)
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Corsair 650W ATX/EPS 80 PLUS Power Supply Unit £38.45 (Amazon Warehouse)

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Found 15th Apr
Excellent price for a decent PSU. Will be sufficient for most gaming rigs. Amazon Warehouse deal.
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I wouldn't say this is a decent psu at all. It's corsairs lowest/worst series. Only slightly better than a generic psu. I'd go for a 80 plus bronze at least. Good price but only for people on a tight budget or for a non power demanding build.
I still don't understand why people spend hundreds of pounds on expensive components, then pair them with cheaply made, unreliable PSUs. The power supply is the heart of the system, if it fails it can kill the whole thing. Don't skimp on it.
39 Comments
Condition used-good. Brand new from Amazon is only £6 more.
I wouldn't say this is a decent psu at all. It's corsairs lowest/worst series. Only slightly better than a generic psu. I'd go for a 80 plus bronze at least. Good price but only for people on a tight budget or for a non power demanding build.
lazyfatboy9 m ago

Condition used-good. Brand new from Amazon is only £6 more.


How do they know. Did someone at Amazon put this in a build and check it?

And why was it returned by the original purchaser? Perhaps they didn't like the colour??
can anyone explain how they can manage to choose right one power supply..
I am intent to buy all hardware to build tower myself..
eatmorefish8 m ago

How do they know. Did someone at Amazon put this in a build and check it? …How do they know. Did someone at Amazon put this in a build and check it? And why was it returned by the original purchaser? Perhaps they didn't like the colour??


7fink718 m ago

can anyone explain how they can manage to choose right one power supply..I …can anyone explain how they can manage to choose right one power supply..I am intent to buy all hardware to build tower myself..



Depends on what type of system you plan to build, but for most "Gaming" PC's 650w is fine (unless going dual gfx cards).

With regards to what one, look for something raded as "80 Plus Bronze", Silver or Gold and you wont go too far wrong.
Edited by: "SpaceChip" 15th Apr
7fink736 m ago

can anyone explain how they can manage to choose right one power supply..I …can anyone explain how they can manage to choose right one power supply..I am intent to buy all hardware to build tower myself..


Unless you want to do extreme overclocking or power more than two graphics cards then it's just a case of picking up whichever is cheapest that isn't out of spec junk or has a noisy fan. In practice that generally means sticking to the sort of independent brands that send units in to professional review sites as they tend to be more consistent than own brand stuff.

Basically, branded and £35-40. Be Quiet! are often a good choice, and cooler master have sometimes been questionable in the past.

It's an area where the majority of high end sales are from bragging rights than any practical need.
I still don't understand why people spend hundreds of pounds on expensive components, then pair them with cheaply made, unreliable PSUs. The power supply is the heart of the system, if it fails it can kill the whole thing. Don't skimp on it.
VS series = faulty trash under a Corsair badge.

don't get conned.

been there, done that. binned it and bought quality instead.
Edited by: "plath" 15th Apr
reubenno15 m ago

I still don't understand why people spend hundreds of pounds on expensive …I still don't understand why people spend hundreds of pounds on expensive components, then pair them with cheaply made, unreliable PSUs. The power supply is the heart of the system, if it fails it can kill the whole thing. Don't skimp on it.



I agree there are guides online, it isn’t just about brands.. But the quality of components used in the power supplies.

I only but Tier 1 PSUs that don’t use cheap Chinese resisters and components.

I also always say the same about motherboards - People buy i7s and 1080s then buy a £60 motherboard.
Edited by: "bsmaff" 15th Apr
bsmaff22 m ago

I also always say the same about motherboards - People buy i7s and 1080s …I also always say the same about motherboards - People buy i7s and 1080s then buy a £60 motherboard.


This doesn't really help your case - care to point to a few benchmarks that show a typical £60 motherboard to be noticeably slower, if at all, than a £200 motherboard? (which I say having built a i7-6700/1080Ti with a £20 refurbished motherboard...)
bsmaff23 m ago

I agree there are guides online, it isn’t just about brands.. But the q …I agree there are guides online, it isn’t just about brands.. But the quality of components used in the power supplies.I only but Tier 1 PSUs that don’t use cheap Chinese resisters and components.I also always say the same about motherboards - People buy i7s and 1080s then buy a £60 motherboard.



That what i do...get a cheap £100-ish mobo since i dont care much about overclocking or features. i mean whats the point of spending £200+ mobo for better slightly better overclocking or something. when you can buy a £100 z270 and spend that extra £100 on better cpu or gpu?
reubenno51 m ago

I still don't understand why people spend hundreds of pounds on expensive …I still don't understand why people spend hundreds of pounds on expensive components, then pair them with cheaply made, unreliable PSUs. The power supply is the heart of the system, if it fails it can kill the whole thing. Don't skimp on it.


Yeah, you shouldn't skimp on it but nobody's suggesting buying a £10 PSU from an ebay seller based in china.

However, plenty of people go too far the other way, get conned into thinking they need to spend £60 or £80 on a PSU when they're not going to see any difference next to a £40 one.

sion2213 m ago

That what i do...get a cheap £100-ish mobo since i dont care much about …That what i do...get a cheap £100-ish mobo since i dont care much about overclocking or features. i mean whats the point of spending £200+ mobo for better slightly better overclocking or something. when you can buy a £100 z270 and spend that extra £100 on better cpu or gpu?


£100 is an expensive motherboard, or maybe upper mid-range these days after the brexit exchange rate drop. A cheap motherboard is £40. Z_70 is Intel's top of the range chipset.
Edited by: "EndlessWaves" 15th Apr
EndlessWaves15 m ago

£100 is an expensive motherboard, or maybe upper mid-range these days …£100 is an expensive motherboard, or maybe upper mid-range these days after the brexit exchange rate drop. A cheap motherboard is £40. Z_70 is Intel's top of the range chipset.


I don't think that's true anymore, a cheap motherboard is more like £60-70, with a midrange motherboard price being about the £100 mark, with some horrendously priced ones higher up than that tagged with things like 'Ultra Gaming' to make people think it will somehow be faster...
Ashe53 m ago

This doesn't really help your case - care to point to a few benchmarks …This doesn't really help your case - care to point to a few benchmarks that show a typical £60 motherboard to be noticeably slower, if at all, than a £200 motherboard? (which I say having built a i7-6700/1080Ti with a £20 refurbished motherboard...)


Benchmarks are roughly the same, quality of components is massive difference
Tier 4, pass COLD.
bsmaff21 m ago

Benchmarks are roughly the same, quality of components is massive …Benchmarks are roughly the same, quality of components is massive difference


Could you show some empirical evidence of this massive difference in component quality and, if so, it actually making a significant difference worthy of spending so much more?
Ashe13 m ago

Could you show some empirical evidence of this massive difference in …Could you show some empirical evidence of this massive difference in component quality and, if so, it actually making a significant difference worthy of spending so much more?


Capacitors are better on more expensive boards and quality of components will be higher, your not just paying for more features.

Performance across Z boards are pretty much identical.

It’s like as this post is about every 80 plus PSU is the same as they would produce the same performance, but quality of parts are massively different.
Edited by: "bsmaff" 15th Apr
bsmaff13 m ago

Compositors are better on more expensive boards and quality of components …Compositors are better on more expensive boards and quality of components will be higher.Performance across Z boards are pretty much identical.It’s like as this post is about every 80 plus PSU is the same as they would produce the same performance, but quality of parts are massively different.


Focusing on motherboards, some more expensive motherboards may have 'better' parts, but in the same way people don't need to use silk as toilet paper, you don't need to buy an expensive motherboard for good enough reliability. If there was an actual problem with mid-level motherboards, I imagine there would be a number of good evidence-based sources that you could cite.
Ashe2 h, 53 m ago

I don't think that's true anymore, a cheap motherboard is more like …I don't think that's true anymore, a cheap motherboard is more like £60-70, with a midrange motherboard price being about the £100 mark, with some horrendously priced ones higher up than that tagged with things like 'Ultra Gaming' to make people think it will somehow be faster...


A quick check on CCL shows motherboards using AMD's budget A320 chipset range between £43 and £66 while Intel H110 boards range between £33 and £67 (excluding specialist SFF/mining boards). So I'd say £60-70 is definitely into mid-range territory.

bsmaff1 h, 51 m ago

It’s like as this post is about every 80 plus PSU is the same as they w …It’s like as this post is about every 80 plus PSU is the same as they would produce the same performance, but quality of parts are massively different.


But quality of components is meaningless, the performance of the final unit in the real world is what matters.
EndlessWaves30 m ago

A quick check on CCL shows motherboards using AMD's budget A320 chipset …A quick check on CCL shows motherboards using AMD's budget A320 chipset range between £43 and £66 while Intel H110 boards range between £33 and £67 (excluding specialist SFF/mining boards). So I'd say £60-70 is definitely into mid-range territory.But quality of components is meaningless, the performance of the final unit in the real world is what matters.


Although I can't speak for AMD, I don't think you can use the example of H110 for pricing, given that it doesn't support the current processors from Intel. To compare 'low-end', 'mid-range' and 'expensive' motherboards, I think you at least have to look at motherboards that support the same processors.
I'm pretty sure it does support currently available processors.

Obviously it doesn't support Intel's very latest range but they still have a price premium while Intel clears current models and I'd expect H310 to drop down to H110 prices when that's happened.
You're avoiding the point about the comparison being between motherboards that support the same processors. Of course old motherboards that don't support the newer/faster processors will be priced less than the current range.
EndlessWaves5 h, 23 m ago

Yeah, you shouldn't skimp on it but nobody's suggesting buying a £10 PSU …Yeah, you shouldn't skimp on it but nobody's suggesting buying a £10 PSU from an ebay seller based in china. However, plenty of people go too far the other way, get conned into thinking they need to spend £60 or £80 on a PSU when they're not going to see any difference next to a £40 one.£100 is an expensive motherboard, or maybe upper mid-range these days after the brexit exchange rate drop. A cheap motherboard is £40. Z_70 is Intel's top of the range chipset.



I just had to replace my power supply, as it blew. It cost me maybe £40 and lasted for seven years. It didn't damage any of my components when an internal fuse exploded, but I think I was lucky. I replaced it with a Seasonic one that costs £90. I didn't think I would spend that much on a power supply, but it is guaranteed for 10 years. I will get at least 10 years use out of it, so about £9/year. Plus, if it blows, hopefully it will do it safely.
Ashe2 h, 12 m ago

You're avoiding the point about the comparison being between motherboards …You're avoiding the point about the comparison being between motherboards that support the same processors. Of course old motherboards that don't support the newer/faster processors will be priced less than the current range.


They're not priced less, they're priced the same as the AMD alternative. It's the H310 ones that are temporarily priced higher.

It's like saying £400 is the normal price for a mainstream graphics card because RX 580s were averaging that at one point.
Reaper_Man1 h, 33 m ago

I just had to replace my power supply, as it blew. It cost me maybe £40 …I just had to replace my power supply, as it blew. It cost me maybe £40 and lasted for seven years. It didn't damage any of my components when an internal fuse exploded, but I think I was lucky. I replaced it with a Seasonic one that costs £90. I didn't think I would spend that much on a power supply, but it is guaranteed for 10 years. I will get at least 10 years use out of it, so about £9/year. Plus, if it blows, hopefully it will do it safely.


So you're you're replacing a £5.70 a year power supply with a £9 a year power supply because you have a feeling you might have been lucky? The power of marketing.

And that's assuming you actually keep it for ten years. Smaller form factors are gathering momentum so it may be in another seven years time an ATX PSU is an oversized relic, no more widely used then as 5.25" drive bays are now.
EndlessWaves11 m ago

They're not priced less, they're priced the same as the AMD alternative. …They're not priced less, they're priced the same as the AMD alternative. It's the H310 ones that are temporarily priced higher.It's like saying £400 is the normal price for a mainstream graphics card because RX 580s were averaging that at one point.


For the second time, you have completely avoided the point about a comparison between the prices of 'low-end', 'mid-range' and 'expensive' motherboards needing to be about motherboards that support the same processor.
EndlessWaves24 m ago

So you're you're replacing a £5.70 a year power supply with a £9 a year p …So you're you're replacing a £5.70 a year power supply with a £9 a year power supply because you have a feeling you might have been lucky? The power of marketing. And that's assuming you actually keep it for ten years. Smaller form factors are gathering momentum so it may be in another seven years time an ATX PSU is an oversized relic, no more widely used then as 5.25" drive bays are now.


That's not marketing, that's common sense. A previous good quality power supply silently blew and then simply would not supply power any more. The last one blew an internal fuse with a flash of white light. It was lucky not to have caught fire and have caused all sorts of damage.

I still use 5.25" drives, and I am very likely to be using the power supply for the next 10 years.

It sounds like you're one of these cheap chaps who try to justify their cheapness through belligerence. Good luck to you! But, these days, I am happy to pay more for better quality.
SpaceChip9 h, 38 m ago

Depends on what type of system you plan to build, but for most "Gaming" …Depends on what type of system you plan to build, but for most "Gaming" PC's 650w is fine (unless going dual gfx cards).With regards to what one, look for something raded as "80 Plus Bronze", Silver or Gold and you wont go too far wrong.


I am def. confused how you can benefit of having two graphic cards could you tell me more ,bro?!
EndlessWaves9 h, 18 m ago

Unless you want to do extreme overclocking or power more than two graphics …Unless you want to do extreme overclocking or power more than two graphics cards then it's just a case of picking up whichever is cheapest that isn't out of spec junk or has a noisy fan. In practice that generally means sticking to the sort of independent brands that send units in to professional review sites as they tend to be more consistent than own brand stuff. Basically, branded and £35-40. Be Quiet! are often a good choice, and cooler master have sometimes been questionable in the past.It's an area where the majority of high end sales are from bragging rights than any practical need.



I am def. confused how you can benefit of having two graphic cards could you tell me more ,bro?!
7fink751 m ago

I am def. confused how you can benefit of having two graphic cards …I am def. confused how you can benefit of having two graphic cards could you tell me more ,bro?!


Miners run 6+ in most of their systems...

plath10 h, 5 m ago

VS series = faulty trash under a Corsair badge.don't get conned.been …VS series = faulty trash under a Corsair badge.don't get conned.been there, done that. binned it and bought quality instead.



I did get ‘conned’ (at the time we just looked at the brand) and ended up building 3 PCs for a friend that were used for mining with these, they’ve actually had 100% uptime in nearly a year now. In that same time I’ve had some CX units fail and also a Seasonic Platinum P860. But yes, based on what I’ve read I wouldn’t buy the VS again. I’d get CS, RM, HX or AX units only now or an equivalent from EVGA.

Ashe8 h, 14 m ago

Could you show some empirical evidence of this massive difference in …Could you show some empirical evidence of this massive difference in component quality and, if so, it actually making a significant difference worthy of spending so much more?


Why do you need empirical evidence? Just go to Jonnyguru for many teardowns and performance reviews. The better PSUs have higher quality Japanese caps, fluid bearings in the fan (not cheap sleeve things), better stability, voltage and ripple and probably a lot more safety features like OCP (rather than false claims).
Edited by: "plewis00" 15th Apr
plewis0014 m ago

Why do you need empirical evidence? Just go to Jonnyguru for many …Why do you need empirical evidence? Just go to Jonnyguru for many teardowns and performance reviews. The better PSUs have higher quality Japanese caps, fluid bearings in the fan (not cheap sleeve things), better stability, voltage and ripple and probably a lot more safety features like OCP (rather than false claims).


My comment was in reply to someone talking about how people should buy expensive motherboards because they're more reliable.
plewis0019 m ago

Miners run 6+ in most of their systems...I did get ‘conned’ (at the time we …Miners run 6+ in most of their systems...I did get ‘conned’ (at the time we just looked at the brand) and ended up building 3 PCs for a friend that were used for mining with these, they’ve actually had 100% uptime in nearly a year now. In that same time I’ve had some CX units fail and also a Seasonic Platinum P860. But yes, based on what I’ve read I wouldn’t buy the VS again. I’d get CS, RM, HX or AX units only now or an equivalent from EVGA.Why do you need empirical evidence? Just go to Jonnyguru for many teardowns and performance reviews. The better PSUs have higher quality Japanese caps, fluid bearings in the fan (not cheap sleeve things), better stability, voltage and ripple and probably a lot more safety features like OCP (rather than false claims).


are you all about bitcoin miners?
Gamerzone10115th Apr

I wouldn't say this is a decent psu at all. It's corsairs lowest/worst …I wouldn't say this is a decent psu at all. It's corsairs lowest/worst series. Only slightly better than a generic psu. I'd go for a 80 plus bronze at least. Good price but only for people on a tight budget or for a non power demanding build.


33643428-WaUd6.jpg
Can you find a 650W 80+ Bronze for £40? Seems to me the extra £20 for 3% extra efficiency is not worth it.
7fink71 h, 47 m ago

I am def. confused how you can benefit of having two graphic cards …I am def. confused how you can benefit of having two graphic cards could you tell me more ,bro?!



SLI (dual Nvidia gfx cards) or Crossfire (dual amd gfx cards) is something some people use for more gfx processing power. It used to be a lot more popular than it is currently though, but some gamers still want to push things as far as possible.
cicobuff36 m ago

[Image] Can you find a 650W 80+ Bronze for £40? Seems to me the extra £20 …[Image] Can you find a 650W 80+ Bronze for £40? Seems to me the extra £20 for 3% extra efficiency is not worth it.


it's not completely clear cut, but a good rule of thumb is that if a PSU can achieve higher efficiency, it's made with higher quality components.

though it does depend on your usage, the efficiency gain of a gold or platinum certified PSU is almost definitely not worth it, but the quality it implies is.

didn't actually see this linked anywhere, but this is the PSU Tier List that you'll hear mentioned in any PSU discussion.
SpaceChip32 m ago

SLI (dual Nvidia gfx cards) or Crossfire (dual amd gfx cards) is something …SLI (dual Nvidia gfx cards) or Crossfire (dual amd gfx cards) is something some people use for more gfx processing power. It used to be a lot more popular than it is currently though, but some gamers still want to push things as far as possible.


do you recon peops could give up buying latest graphic cards if they would have virtual reality set?
7fink722 m ago

do you recon peops could give up buying latest graphic cards if they would …do you recon peops could give up buying latest graphic cards if they would have virtual reality set?


I don't know much about VR, but as I understand it you need a decent gfx card (gpu) to power a VR set? Unless it runs off other hardware such as the PS4 version.
Reaper_Man14 h, 50 m ago

That's not marketing, that's common sense. A previous good quality power …That's not marketing, that's common sense. A previous good quality power supply silently blew and then simply would not supply power any more. The last one blew an internal fuse with a flash of white light. It was lucky not to have caught fire and have caused all sorts of damage.I still use 5.25" drives, and I am very likely to be using the power supply for the next 10 years.It sounds like you're one of these cheap chaps who try to justify their cheapness through belligerence. Good luck to you! But, these days, I am happy to pay more for better quality.


I'm not an electrical engineer so I've no way of judging whether a flash is expected or not. From an outside perspective the different effects of the two failures could simply be due to different components failing.

Where it mattered - not damaging anything else and failing cleanly instead of intermittently - it seems to have done it's job.


For what it's worth I've owned both expensive and cheap power supplies. My current one is the Caseking/OcUK own brand version of Sirtec's SFX platform because the more recognised brands were taking the silly decision to equip their supposedly small form factor PSUs with cable braiding, which makes the cables less flexible and harder to get past the many obstacles in a tiny case.

Said case cost me £170, so I wouldn't particularly call myself a cheapskate.

I just don't buy into the whole 'buy it because the individual components are better' mentality. There have been many examples where such a mentality has developed and manufacturers have exploited it by over-speccing stuff past the point where it serves any function. Jewels in watches, overdrive systems on monitors, refresh rate on TVs and so on.
SpaceChip15 h, 8 m ago

I don't know much about VR, but as I understand it you need a decent gfx …I don't know much about VR, but as I understand it you need a decent gfx card (gpu) to power a VR set? Unless it runs off other hardware such as the PS4 version.


any VR good to run at least Full HD games yet? any idea?
I have heard of Project Santa Cruz...maybe on market street I could invest some money,but not sure how to
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