Corsair RM1000x (1000W) Fully Modular ATX 80 PLUS Gold - £125.99 @ Maplin
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Corsair RM1000x (1000W) Fully Modular ATX 80 PLUS Gold - £125.99 @ Maplin

£125.99Maplin Deals
39
Found 14th Apr
Was searching around for a PSU as my current 850W isnt enough and came across this bargin!

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I have doubt 850w isn't enough...
39 Comments
850w wasn’t enough wow , what are you running ?
These are the decent Corsair psu of old not the horrible cx series so good deal hot
I have doubt 850w isn't enough...
rvcshart11 m ago

I have doubt 850w isn't enough...


4 x RX580 a 850w won't be enough.

Actually with a modded bios and devolting it probably will.
Edited by: "GAVINLEWISHUKD" 14th Apr
codnan36 m ago

850w wasn’t enough wow , what are you running ? These are the decent C …850w wasn’t enough wow , what are you running ? These are the decent Corsair psu of old not the horrible cx series so good deal hot


I'm running a i9 clocked at 5ghz and a overclocked 1080ti and it struggles
X-Ray35 m ago

I'm running a i9 clocked at 5ghz and a overclocked 1080ti and it struggles


Oh is that it. I would of thought a decent 850 would of been plenty for that (I used to run a i5 2500k and 2 7950 boost all overclocked on 650) , but if you can afford it may as well have plenty of extra headroom .
codnan3 m ago

Oh is that it. I would of thought a decent 850 would of been plenty for …Oh is that it. I would of thought a decent 850 would of been plenty for that (I used to run a i5 2500k and 2 7950 boost all overclocked on 650) , but if you can afford it may as well have plenty of extra headroom .


Well I'm maxing out my power draw at 1.37v combined with gpu
X-Ray51 m ago

Well I'm maxing out my power draw at 1.37v combined with gpu


I don’t doubt you , my specs are no where near yours but I was expecting duel cards and was just a bit surprised that it’s drawing so much power . Still a good deal on this psu
GAVINLEWISHUKD1 h, 56 m ago

4 x RX580 a 850w won't be enough.Actually with a modded bios and devolting …4 x RX580 a 850w won't be enough.Actually with a modded bios and devolting it probably will.


Running 6x RX 580 modded at 710W the wall and 650W DC output - that was a build for a client. But always spec for more, so we usually use these RM1000x but Amazon had the RM1000i and HX1000i for not a lot more too.
codnan3 h, 10 m ago

850w wasn’t enough wow , what are you running ? These are the decent C …850w wasn’t enough wow , what are you running ? These are the decent Corsair psu of old not the horrible cx series so good deal hot




This isn't that old, you make it sound like it's from 2007
This is temping as im buliding a new system later in year with a I7 8700k processor . Gtx 1080ti OC . DDR 4 Ram 3200MHZ . ASUS Maxermus code board

And a few extras so dont know if to go for this or get a 850W which is cheaper
codnan3 h, 49 m ago

850w wasn’t enough wow , what are you running ? These are the decent C …850w wasn’t enough wow , what are you running ? These are the decent Corsair psu of old not the horrible cx series so good deal hot


I have a CX Psu and it works just fine. 0-0
tiar 1psu, very good value. got the rm1000i from scan last year@ £89 refurbished. They are same as new
codnan5 h, 14 m ago

Oh is that it. I would of thought a decent 850 would of been plenty for …Oh is that it. I would of thought a decent 850 would of been plenty for that (I used to run a i5 2500k and 2 7950 boost all overclocked on 650) , but if you can afford it may as well have plenty of extra headroom .


I would have thought, would have been plenty.
Edited by: "Scottc123" 14th Apr
X-Ray5 h, 59 m ago

I'm running a i9 clocked at 5ghz and a overclocked 1080ti and it struggles


850w should be plenty. Even if it was 2x 1080ti in SLI it would cope - Maybe your old PSU was faulty though?
Bobbystein3 h, 32 m ago

This isn't that old, you make it sound like it's from 2007


I meant old as in their excellent reputation that was great about 10years ago and has gone down a lot recently .
corin.gillingham2 h, 52 m ago

I have a CX Psu and it works just fine. 0-0



I have had terrible exp with two cx psu ,but there is loads of people who swear they are fine . I would never buy them again tho
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118luke28 m ago

850w should be plenty. Even if it was 2x 1080ti in SLI it would cope - …850w should be plenty. Even if it was 2x 1080ti in SLI it would cope - Maybe your old PSU was faulty though?


100% it's faulty. No way 1000w is needed for a single cpu and single card... however saying that, there is no harm is having extra power for when you need it
Edited by: "Crumbz" 14th Apr
Thanks for sharing good quality psu! Heat!
Crumbz6 m ago

100% it's faulty. No way 1000w is needed for a single cpu and single …100% it's faulty. No way 1000w is needed for a single cpu and single card... however saying that, there is no harm is having extra power for when you need it


Apparently the i9 18 core at 6ghz draws 1KW alone. ^^

google.co.uk/amp…ts/
Edited by: "X-Ray" 14th Apr
X-Ray2 h, 11 m ago

Apparently the i9 18 core at 6ghz draws 1KW alone. …Apparently the i9 18 core at 6ghz draws 1KW alone. ^^https://www.google.co.uk/amp/s/www.pcgamer.com/amp/overclocked-core-i9-7980xe-hits-61ghz-and-pulls-1000-watts/


Are you pushing 1.45v through the CPU with liquid nitrogen cooling? If not, then your CPU is not pulling 1000 Watts.
Stu.C5 h, 16 m ago

Are you pushing 1.45v through the CPU with liquid nitrogen cooling? If …Are you pushing 1.45v through the CPU with liquid nitrogen cooling? If not, then your CPU is not pulling 1000 Watts.


Close 1.37v liquid 5ghz
Was there any more left in the store, or was that the last one?
Went to Maplins in Leeds, and in the 30 mins I was there, they'd already reorganised the store to half the size it was when i walked in!
plewis0014 h, 43 m ago

Running 6x RX 580 modded at 710W the wall and 650W DC output - that was a …Running 6x RX 580 modded at 710W the wall and 650W DC output - that was a build for a client. But always spec for more, so we usually use these RM1000x but Amazon had the RM1000i and HX1000i for not a lot more too.


Any reason why you wouldn't use a server PSU for this?
Holy overkill.
One should never over spec a psu to a silly degree as it will not operate at it's most efficient. I've got a RM750i & even that for my rig is a bit overkill. Only reason I bought it was computer died some years ago & thought psu at fault, so I managed to source one of these cheaply on ebay. It still didn't work tho'
Kulaak41 m ago

One should never over spec a psu to a silly degree as it will not operate …One should never over spec a psu to a silly degree as it will not operate at it's most efficient. I've got a RM750i & even that for my rig is a bit overkill. Only reason I bought it was computer died some years ago & thought psu at fault, so I managed to source one of these cheaply on ebay. It still didn't work tho'



yes for a Pentium with an inbuilt Gpu
rvcshart19 h, 23 m ago

I have doubt 850w isn't enough...


Agreed, what are you using it for?

Put it this way:

i9
128GB RAM
2 xGigabyte 1080ti on SLI and I am running with more than enough power on 850w
Edited by: "sinxa" 15th Apr
Canali442 h, 53 m ago

Any reason why you wouldn't use a server PSU for this?


Because then you are in dual PSU with breakout board territory.

Many server PSUs are cheap, yes, but you don’t know how hard they’ve worked beforehand and you have to rely on cheap aftermarket PCB breakouts and wires. I can’t spec a ‘new’ machine then stuff used server bits in it. Also, as there is high demand for server PSUs now, there is also a market for ‘refurbished’ (to maybe not the same original standards) too.
Edited by: "plewis00" 15th Apr
sinxa44 m ago

Agreed, what are you using it for?Put it this way:i9 128GB RAM2 xGigabyte …Agreed, what are you using it for?Put it this way:i9 128GB RAM2 xGigabyte 1080ti on SLI and I am running with more than enough power on 850w


It's a lot different when you're overclocking.
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deleted1510212
If anyone would like a review, I put one of these into a fairly average gaming PC with 1 x 1080Ti and playing doom / running 3dMark caused the PC to reset. I replaced it with an EVGA and it worked fine. Corsair support didn't even respond to my support request....
deleted151021215th Apr

If anyone would like a review, I put one of these into a fairly average …If anyone would like a review, I put one of these into a fairly average gaming PC with 1 x 1080Ti and playing doom / running 3dMark caused the PC to reset. I replaced it with an EVGA and it worked fine. Corsair support didn't even respond to my support request....


I have a evga G2 in my main rig I cant rememeber what wattage it is tho. the cables are nice also come with a nice bag to keep spare modular cables in. I would have went with the g3 but seen that the g2 already had good reviews and didnt want to chance a new product with less reviews
X-Ray3 h, 0 m ago

It's a lot different when you're overclocking.


Well yes, but no

I'm only running an 7700k with liquid but still id bet the 850w you're running is to blame. A decent one shouldn't have been at its peak.


However you've got a cheap 1000now. I've owned an 850x and 750x of this model. Good kit.
Edited by: "rvcshart" 15th Apr
I got 4 x gtx 1080ti with i9 processor

Just kidding. My i5 and gtx 1070 is just fine
Kulaak8 h, 13 m ago

One should never over spec a psu to a silly degree as it will not operate …One should never over spec a psu to a silly degree as it will not operate at it's most efficient.


I don't think that is true...

en.wikipedia.org/wik…lus
rvcshart4 h, 43 m ago

Well yes, but no ;)I'm only running an 7700k with liquid but still id bet …Well yes, but no ;)I'm only running an 7700k with liquid but still id bet the 850w you're running is to blame. A decent one shouldn't have been at its peak.However you've got a cheap 1000now. I've owned an 850x and 750x of this model. Good kit.


The bloody power draw from this CPU man!

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Edited by: "X-Ray" 15th Apr
Reaper_Man1 h, 22 m ago

I don't think that is true...https://en.wikipedia.org/wiki/80_Plus


Well I couldn't bother to read all that really but from what I've learned before a power supply works best within a range. So as long as the MAX power you are drawing from a psu is within that range you have chosen wisely. Also vice versa if you buy something to powerful & just take a SIP of it's available contents you'll not only be wasting money on the purchase you'll be wasting money on electricity. It is probably worse to overate a psu by a silly amount as efficiency drops badly at low loads.

Here is the efficiency of a Corsair RM1000. As can be seen for maximum efficiency anything from about 35% to 60% load is good. In fact in this case the Corsair does well at low loads (probably because it omits loads below 20%, I think you'd be daft tho' to choose to overate a psu by that much!) and not so well at higher loads.


33642725-lYTzP.jpg

This Silverstone however does quite badly


33642725-Y6bgQ.jpg

I understand I may have not explained it in such detail or in this way in my original post and on first look could be misleading but you should always check the efficiency chart for the psu you are buying and work out the max AND minimum loads you will be taking from the psu. However if you really don't care about wastage or pounds in your pocket........
X-Ray15th Apr

It's a lot different when you're overclocking.


Could you elaborate? Sorry I don’t quite understand what you mean, which peripherals are you overclocking?
X-Ray14th Apr

I'm running a i9 clocked at 5ghz and a overclocked 1080ti and it struggles


Still, you're pulling over 350w more than me with an i5 and gtx 980... seems a bit unbelievable. For context I have the older RM 550 and I have well over 100w to spare. I was actually considering going SLI as another guy had gone SLI at 600w but I decided 550w is cutting it too close & I wouldn't be able to OC. I'm very skeptical 850w is required for a single gpu/cpu system.& overclocking only brings up your watt consumption so far, I have custom watercooling for cpu & gpu with a 280x83mm radiator and a 240x23mm radiator so cooling isn't a problem and again (I put max volts through my GPU and for benchmarking purposes 1.53v into a haswell chip...), I still haven't had any power issues.
Edited by: "fringiee" 18th Apr
fringiee19 h, 48 m ago

Still, you're pulling over 350w more than me with an i5 and gtx 980... …Still, you're pulling over 350w more than me with an i5 and gtx 980... seems a bit unbelievable. For context I have the older RM 550 and I have well over 100w to spare. I was actually considering going SLI as another guy had gone SLI at 600w but I decided 550w is cutting it too close & I wouldn't be able to OC. I'm very skeptical 850w is required for a single gpu/cpu system.& overclocking only brings up your watt consumption so far, I have custom watercooling for cpu & gpu with a 280x83mm radiator and a 240x23mm radiator so cooling isn't a problem and again (I put max volts through my GPU and for benchmarking purposes 1.53v into a haswell chip...), I still haven't had any power issues.


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i9 CPU's are VERY power hungry chips not a problem idling using youtube etc... But when you use Cinebench, RealBench, Prime95 that's when things start to get heated!
Edited by: "X-Ray" 19th Apr
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