Corsair RM850 Fully Modular 850W PSU (80+ GOLD CERTIFIED) - £94.80 @ CCLOnline - HotUKDeals
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Corsair RM850 Fully Modular 850W PSU (80+ GOLD CERTIFIED) - £94.80 @ CCLOnline

£94.80 @ CCLOnline
Very nice PSU, being very quiet and having a high wattage at this price is very good. Not only that but the power supply is made by Corsair who are known to make reliable and effective PSUs. Also, del… Read More
PCPartsGuy Avatar
2y, 5m agoFound 2 years, 5 months ago
Very nice PSU, being very quiet and having a high wattage at this price is very good. Not only that but the power supply is made by Corsair who are known to make reliable and effective PSUs. Also, delivery is free and fast.
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banned#1
It's an ok psu, the fan is not as silent as it should be but it's reliable. Corsair do not make their own psu's but it's usually a good bet.

I'd personally go with the coolermaster 850w which has been posted on here a couple of times the last week, cheaper and a better unit. Sorry op
#2
xela333
Corsair do not make their own psu's but it's usually a good bet.
Hardly anyone does which isn't so unusual as do even Apple make their own devices? No.
#3
Terrible PSU. Made by Chicony who use terrible capacitors. You shouldn't go higher than a 650W with the RM series. The 450, 550 and 650 are all made by Channel Well Technology.
#4
Good price if it's in stock; I recently used one in my i7-5820k build and paid £109 from Scan.
#5
Always check the make (oem) of the psu. Corsair uses many different oem even for the same series. This is isn't good. For the price get a evga g2 or leadex.
#6
naodai_mmx
This is isn't good.
jonnyguru says recommended and you are a random internet punter:
http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story6&reid=369
#7
Get this instead for £4 more (not including delivery) http://www.scan.co.uk/products/850w-seasonic-evo-full-modular-80-plus-bronze-1x120mm-fan-atx-psu

Much better OEM. Just because a 'guru' says it's good doesn't mean it is. They use them for a week or so and could have been paid to write a decent review. Not saying that it's the case here but it does happen in da interwebs
#8
Agharta
naodai_mmx
This is isn't good.
jonnyguru says recommended and you are a random internet punter:
http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story6&reid=369

http://www.techpowerup.com/reviews/Corsair/RM850/11.html gave it a pretty good review too. The quality of the capacitors are a concern, but Corsair seem to have enough confidence in them to give a 5 year warranty.
#9
smizzlopi
Not directly comparable as it’s not semi passive or Gold Rated.
Seasonic are good, I’ve had a few myself, but they seem to have been having issues with coil whine on certain models recently.
The RM series have a good rep for not having coil whine and are semi passive so for some are clearly ahead of what you suggest as a more expensive alternative.

smizzlopi
Much better OEM.
It’s rarely a ‘one size fits all this product/manufacturer is always better regardless’ world out there; see above for an example.
smizzlopi
Just because a 'guru' says it's good doesn't mean it is.
I’ll take Jonny’s detailed reviews along with others over a 3 word sentence from a random stranger on the internet.
banned#10
Agharta is right, Honeycutt is one of the best sites on the net for reviews, as it's techradar. This is a good psu but from an one with not a great track record.

I would recommend the EVGA mentioned above as it's oem is one of the best on the market.
banned#11
xela333
Agharta is right, Honeycutt is one of the best sites on the net for reviews, as it's techradar. This is a good psu but from an one with not a great track record.

I would recommend the EVGA mentioned above as it's oem is one of the best on the market.


Sorry, damn autocorrect. You get the jist
2 Likes #12
Would any site dare to give Corsair bad review with the amount of advertising spend they do?
The original JohnnyGuru now works for Corsair (although OklahomaWolf who wrote the review for this does good technical reviews). From the sound of it, Johnny is one of the reason why Corsair 'upgrade' the designs as while they now mainly use design by cheaper OEMs like CWT, Corsair do often upgrade some of those components. Obviously, these upgrades do not involve using expensive capacitors.

So while this supply gets good scores for ripple and so on, the cheaper capacitors could very well mean that if the supply was measured again after being used for a while, those scores might then be a lot lower than a supply which used more expensive capacitors in the first place.

Unfortunately, nobody does those kind of long-term reviews, about the closest is people complaining on forums about their experience and there are always plenty of people complaining about Corsair since they stopped using Seasonic.
#13
guys sorry for being off topic just need quick help.
I have a Zoomstorm desktop with 250w FSP PSU
I need a HDMI port to link to Tv for presentation not for any gaming.
Cheapest graphics card on Amazon with good reviews is Asus GeForce 210 Nvidia Graphics Card.

Can my PSU handle this or will it make a lot of fan noise and one day kill the motherboard.

Cheers sorry for hijacking the thread
#14
wzzzupB
guys sorry for being off topic just need quick help.
I have a Zoomstorm desktop with 250w FSP PSU
I need a HDMI port to link to Tv for presentation not for any gaming.
Cheapest graphics card on Amazon with good reviews is Asus GeForce 210 Nvidia Graphics Card.
Can my PSU handle this or will it make a lot of fan noise and one day kill the motherboard.
Cheers sorry for hijacking the thread
For non gaming use the power usage is negligible at under 10W for a modern card so no problems there.
For fan noise it depends on the exact model so if that's an issue buy a basic fanless model as then you are guaranteed no fan noise.
The very cheap cards with fans may well have a tiny heatsink so the fan noise might be relatively loud.

Here's a fanless Asus for ~£22 - Amazon.
This Radeon might be a better option and the heatsink seems smaller also - Radeon @ Amazon

Note that some fanless cards are quite large so make sure your case has the space for it.



Edited By: Agharta on Jan 03, 2015 12:36
banned#15
wzzzupB
guys sorry for being off topic just need quick help.
I have a Zoomstorm desktop with 250w FSP PSU
I need a HDMI port to link to Tv for presentation not for any gaming.
Cheapest graphics card on Amazon with good reviews is Asus GeForce 210 Nvidia Graphics Card.

Can my PSU handle this or will it make a lot of fan noise and one day kill the motherboard.

Cheers sorry for hijacking the thread


That psu is easily able to handle a graphics card such as the 210. It will not do any long term damage.
#16
Great deal. No idea why this is cold. People on here seem to just be making stuff up. I have the 750W version of this psu and yes it is very quiet. In fact it goes completely silent sometimes because it is one of the few psu's where the fan can completely stop. It also had zero coil noise which is pretty amazing. Overall a very high quality psu.
#17
Agharta
naodai_mmx
This is isn't good.
jonnyguru says recommended and you are a random internet punter:
http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story6&reid=369

Oh Yes. Build Quality 8.5, so proud of it for Corsair £100 PSU.
£94.99 EVGA G2 for 9.9 johnyguru. This is what good for the money and 10 years warranty. Random internet punter! great job.
http://www.amazon.co.uk/gp/offer-listing/B00J299ALA/ref=dp_olp_new?ie=UTF8&condition=new
http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story6&reid=377


Edited By: naodai_mmx on Jan 03, 2015 15:06: links
#18
naodai_mmx
Agharta
naodai_mmx
This is isn't good.
jonnyguru says recommended and you are a random internet punter:
http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story6&reid=369

Oh Yes. Build Quality 8.5, so proud of it for Corsair £100 PSU.
£94.99 EVGA G2 for 9.9 johnyguru. This is what good for the money and 10 years warranty. Random internet punter! great job.
http://www.amazon.co.uk/gp/offer-listing/B00J299ALA/ref=dp_olp_new?ie=UTF8&condition=new
http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story6&reid=377
Recommended = Good not the Best. Not arguing more than that just suggesting to say it isn't good is unfounded.
1 Like #19
Agharta
naodai_mmx
Agharta
naodai_mmx
This is isn't good.
jonnyguru says recommended and you are a random internet punter:
http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story6&reid=369

Oh Yes. Build Quality 8.5, so proud of it for Corsair £100 PSU.
£94.99 EVGA G2 for 9.9 johnyguru. This is what good for the money and 10 years warranty. Random internet punter! great job.
http://www.amazon.co.uk/gp/offer-listing/B00J299ALA/ref=dp_olp_new?ie=UTF8&condition=new
http://www.jonnyguru.com/modules.php?name=NDReviews&op=Story6&reid=377
Recommended = Good not the Best. Not arguing more than that just suggesting to say it isn't good is unfounded.

OK saying isn't good maybe a bit harsh for it. But this isn't good value for the money. Cheaper (for similar quality) or better (for same money) options available. That explains the cold votes.
#20
Agharta
wzzzupB
guys sorry for being off topic just need quick help.
I have a Zoomstorm desktop with 250w FSP PSU
I need a HDMI port to link to Tv for presentation not for any gaming.
Cheapest graphics card on Amazon with good reviews is Asus GeForce 210 Nvidia Graphics Card.
Can my PSU handle this or will it make a lot of fan noise and one day kill the motherboard.
Cheers sorry for hijacking the thread
For non gaming use the power usage is negligible at under 10W for a modern card so no problems there.
For fan noise it depends on the exact model so if that's an issue buy a basic fanless model as then you are guaranteed no fan noise.
The very cheap cards with fans may well have a tiny heatsink so the fan noise might be relatively loud.

Here's a fanless Asus for ~£22 - Amazon.
This Radeon might be a better option and the heatsink seems smaller also - Radeon @ Amazon

Note that some fanless cards are quite large so make sure your case has the space for it.



Thanks for the advice Agharta and Xela333
I think I will go with Asus 512mb card and be on the safe side. Phew, I really didnt want to change the whole PSU bloody Zoomstorms.
#21
wzzzupB
Agharta
wzzzupB
guys sorry for being off topic just need quick help.
I have a Zoomstorm desktop with 250w FSP PSU
I need a HDMI port to link to Tv for presentation not for any gaming.
Cheapest graphics card on Amazon with good reviews is Asus GeForce 210 Nvidia Graphics Card.
Can my PSU handle this or will it make a lot of fan noise and one day kill the motherboard.
Cheers sorry for hijacking the thread
For non gaming use the power usage is negligible at under 10W for a modern card so no problems there.
For fan noise it depends on the exact model so if that's an issue buy a basic fanless model as then you are guaranteed no fan noise.
The very cheap cards with fans may well have a tiny heatsink so the fan noise might be relatively loud.

Here's a fanless Asus for ~£22 - Amazon.
This Radeon might be a better option and the heatsink seems smaller also - Radeon @ Amazon

Note that some fanless cards are quite large so make sure your case has the space for it.



Thanks for the advice Agharta and Xela333
I think I will go with Asus 512mb card and be on the safe side. Phew, I really didnt want to change the whole PSU bloody Zoomstorms.
I'd go with the Radeon as the nVidia card seems to use Turbo Cache which means it can use system memory. If you aren't gaming it's probably not an issue but I prefer to stay away from such things. Also it has a more compact heat-sink.
#22
Comment
#24
I have the 750 version. don't agree with the comments, it's whisper quiet
#25
Agharta
smizzlopi
Not directly comparable as it’s not semi passive or Gold Rated.
Seasonic are good, I’ve had a few myself, but they seem to have been having issues with coil whine on certain models recently.
The RM series have a good rep for not having coil whine and are semi passive so for some are clearly ahead of what you suggest as a more expensive alternative.

smizzlopi
Much better OEM.
It’s rarely a ‘one size fits all this product/manufacturer is always better regardless’ world out there; see above for an example.
smizzlopi
Just because a 'guru' says it's good doesn't mean it is.
I’ll take Jonny’s detailed reviews along with others over a 3 word sentence from a random stranger on the internet.

It's not just me.

http://www.tomshardware.co.uk/forum/id-1804779/power-supply-unit-tier-list.html
#26
smizzlopi
Agharta
smizzlopi
Not directly comparable as it’s not semi passive or Gold Rated.
Seasonic are good, I’ve had a few myself, but they seem to have been having issues with coil whine on certain models recently.
The RM series have a good rep for not having coil whine and are semi passive so for some are clearly ahead of what you suggest as a more expensive alternative.

smizzlopi
Much better OEM.
It’s rarely a ‘one size fits all this product/manufacturer is always better regardless’ world out there; see above for an example.
smizzlopi
Just because a 'guru' says it's good doesn't mean it is.
I’ll take Jonny’s detailed reviews along with others over a 3 word sentence from a random stranger on the internet.
http://www.tomshardware.co.uk/forum/id-1804779/power-supply-unit-tier-list.html
Thanks, that's an interesting link.
#28

Thanks :)

Oh, I wish I someone would own up to having a Zebronics PSU... This one looks particularly hilarious. I picked Zebronics because they were dead last in the list! There could be worse out there!
#29
smizzlopi

Thanks :)

Oh, I wish I someone would own up to having a Zebronics PSU... This one looks particularly hilarious. I picked Zebronics because they were dead last in the list! There could be worse out there!

I bet I've got some toot from the machines I built before I started taking PSUs (somewhat) seriously. And, to be fair, they were only expected to supply ~200W or so.
#30
cowbutt
I bet I've got some toot from the machines I built before I started taking PSUs (somewhat) seriously. And, to be fair, they were only expected to supply ~200W or so.

It's great that these sort of lists exist. It looks as if someone has gone to a lot of trouble to research the OEM and parts used for each model and, I appreciate that. For instance, I used to consider all Antec PSUs to be terrible because of a couple of bad reviews. Turns out there are at least 3 that are high quality!
#31
smizzlopi
cowbutt
I bet I've got some toot from the machines I built before I started taking PSUs (somewhat) seriously. And, to be fair, they were only expected to supply ~200W or so.

It's great that these sort of lists exist. It looks as if someone has gone to a lot of trouble to research the OEM and parts used for each model and, I appreciate that. For instance, I used to consider all Antec PSUs to be terrible because of a couple of bad reviews. Turns out there are at least 3 that are high quality!

I've got at least 3 Antec EarthWatts PSUs that are working just fine, the oldest from 2008. I've only had one PSU failure, and that was from some generic case I bought from SMC Direct in Slough back in 1998. It only died a couple of years ago.

I think we in the UK have an easier time of it; firstly our climate is usually cooler and less humid than many places on the planet. Secondly, I've read that it's easier for a PSU to designed to run well on 230V rather than 120V.

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