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Gigabyte B700H ATX Power Supply £52.38 Delivered @ Novatech
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Gigabyte B700H ATX Power Supply £52.38 Delivered @ Novatech

£52.38£66.6721%Novatech Deals
26
Posted 21st Feb

This deal is expired. Here are some options that might interest you:

Gigabyte Semi Modular 700W PSU. Looks like a good buy, especially as comes with 5 year warranty.

Collect in store for free, or delivery from £2.39.

GIGABYTE B700H ATX Power Supply overviewThe Gigabyte B700H is a 700W 80 PLUS Bronze rated ATX Power supply. It features a Semi-Modular cable Design. High quality 100% Japanese electrolytic capacitors. 120mm Double Ball Bearing smart control fan. Single +12V rail for the best power output. NVIDIA SLI and AMD CrossFireX Ready. 5 years warranty.

Don't forget 4.5% Topcashback as well from Novatech.
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26 Comments
Good price especially with 5year warranty. Been using one of these for the last 2 years, no problems.
rav4cas21/02/2020 20:39

Good price especially with 5year warranty. Been using one of these for the …Good price especially with 5year warranty. Been using one of these for the last 2 years, no problems.


But I still have every single PSU I've ever owned, they do not fail.... I mean my Enermax 600watt PSU from 2004 is still the one I use in my PC today. At work I have a PC from the mid 90s I use to control the punching machine, and that PSU is still going strong. Why they give such long warranties... they last forever.
Had a corsair tx650 fail on me last week, but the 3a plug fuse had also
blown so might have been a mains surge.
Also have an old Antec Tp350 blue still going strong.
Edited by: "zippyGTE" 22nd Feb
Bronze 700W - you can turn your CH radiator off with this heater 😏
Anyone have an opinion on the sound levels I am hoping to get a relatively quiet one, may go with a be silent as the pc is in the same room that I sleep in and is left on overnight.
To be fair, 700W of power doesn't equate to 700W of heat from the PSU. Also, it will only output the amount of power that the system demands, so it doesn't continuously run at the rated power.
ta1000322/02/2020 10:28

To be fair, 700W of power doesn't equate to 700W of heat from the PSU. …To be fair, 700W of power doesn't equate to 700W of heat from the PSU. Also, it will only output the amount of power that the system demands, so it doesn't continuously run at the rated power.




That is not really true with some of the high end ones yes but not the cheaper ones which are based on the same type design which has been around for decades.
slannmage21/02/2020 21:49

But I still have every single PSU I've ever owned, they do not fail.... I …But I still have every single PSU I've ever owned, they do not fail.... I mean my Enermax 600watt PSU from 2004 is still the one I use in my PC today. At work I have a PC from the mid 90s I use to control the punching machine, and that PSU is still going strong. Why they give such long warranties... they last forever.


I had a dream like that once.
morty22/02/2020 14:10

That is not really true with some of the high end ones yes but not the …That is not really true with some of the high end ones yes but not the cheaper ones which are based on the same type design which has been around for decades.


So how do they differ?
Been using one for a couple of months. Quiet and cool.
Thanks for posting; we have added your thread to the Highlights pages
slannmage21/02/2020 21:49

But I still have every single PSU I've ever owned, they do not fail.... I …But I still have every single PSU I've ever owned, they do not fail.... I mean my Enermax 600watt PSU from 2004 is still the one I use in my PC today. At work I have a PC from the mid 90s I use to control the punching machine, and that PSU is still going strong. Why they give such long warranties... they last forever.



They do fail and they can fail spectacularly.. they do not last forever because they contain electrolytic capacitors. Nothing containing electrolytic caps lasts forever, even when not used electrolytics degrade and die. Might take 1 year, or 10.. or 20 or more for Japanese electrolytics.. but they do fail. I had an Enermax die after 10 years and a Tagan after 2 years.. both went with a bang.. that was pretty much 24/7 for those years.. the reason EVGA, Seasonic, Enermax.. some higher Corsair models etc last a long time is because they use Japanese electrolytics e.g. Nichicon, Taicon.

But.. as with any electronics containing electrolytics.. keep them cool and they will last longer.
Edited by: "Monzer" 23rd Feb
slannmage21/02/2020 21:49

But I still have every single PSU I've ever owned, they do not fail.... I …But I still have every single PSU I've ever owned, they do not fail.... I mean my Enermax 600watt PSU from 2004 is still the one I use in my PC today. At work I have a PC from the mid 90s I use to control the punching machine, and that PSU is still going strong. Why they give such long warranties... they last forever.


Lucky you... But it's simply not true. One word... Caps! (Usually, but occasionally other things, but th caps WILL fail.. eventually, and sometimes sooner.
Edited by: "rendeverance" 22nd Feb
morty22/02/2020 14:10

That is not really true with some of the high end ones yes but not the …That is not really true with some of the high end ones yes but not the cheaper ones which are based on the same type design which has been around for decades.


Before posting stuff like this... At least know what your talking about...

39964633-jB5MM.jpg
Edited by: "rendeverance" 22nd Feb
A PSU will ONLY draw what is demanded of it, plus whatever losses due to switching and resistance within the device, plus a miniscule amount for the control circuit and fan.

A better psu will have better quality components and likely be more efficient, whereas a cheap one will possibly use a little more due to being less efficient. However the MAIN reason that a cheap psu is a bad idea is because IF it does fail, it can take your expensive components with it. I've both had this happen, and also fixed or scrapped pcs of others and at previous employment, due to such failures.

IMHO, cheap PSUs are a false economy. The efficiency is often indicated in PCs by the bronze /silver/gold/platinum, and now titanium ratings system, but it's worth checking out the efficiency curve at the manufacturer website for your use case. As a minimum I would recommend bronze, however if your pc is used a lot or 24/7, I would recommend gold or platinum as the cost difference may be more than saved by the energy saving. However to benefit than suitable sizing is something that needs to be considered, especially with most systems spending a great deal of time at idle and often rarely are asked to run full tilt.

It is also important for stability. A better PSU will provide cleaner power than a cheap one, and this will improve system stability, assist overclocking if you do that, and improve the likelihood of components lasting longer.

The PSU is the most overlooked and most often neglected component of PCs in general, due to it not demonstrating an obvious performance or aesthetic impact.
Edited by: "rendeverance" 23rd Feb
Grumpyoldhector22/02/2020 08:28

Bronze 700W - you can turn your CH radiator off with this heater


You're either trolling or unable to do simple math.

Typical power consumption of PC when on is say 300W
Difference in efficiency between 80 Plus Bronze and 80 Plus Titanium is 6% from table below.
Extra heat output at 300W load by a Bronze PSU is less than 20W - comparable to an LED bulb.

39964699-6zJTU.jpg
Would never go back - modular is the way to go!
My Novatech modular psu is still going strong last 7 years and its been on 24 hours a day for years on and off!

Next time its a Seasonic for me modular of course!
Edited by: "Bassinvader" 23rd Feb
Your pc power consumption = your pc components (cpu/gpu memory motherboard....)power consumption / PSU efficiency.
Got the 750W Gold rated version from then for similar money recently, very good.
slannmage21/02/2020 21:49

But I still have every single PSU I've ever owned, they do not fail.... I …But I still have every single PSU I've ever owned, they do not fail.... I mean my Enermax 600watt PSU from 2004 is still the one I use in my PC today. At work I have a PC from the mid 90s I use to control the punching machine, and that PSU is still going strong. Why they give such long warranties... they last forever.


Man I wish that were true.

I had a Thermaltake 750w gold die last week (7 years use though, so no complaints)
I bought a Corsair RMX1000 to replace, and it lasted 1 week.
Edited by: "scotthillier" 24th Feb
scotthillier24/02/2020 09:23

Man I wish that were true.I had a Thermaltake 750w gold die last week (7 …Man I wish that were true.I had a Thermaltake 750w gold die last week (7 years use though, so no complaints)I bought a Corsair RMX1000 to replace, and it lasted 1 week.


I imagine the reason his lasted so long is because they were used in a PC for office and web browsing. Try using a cheapo psu for something more taxing like gaming, it will likely become unstable or die.
As mentioned, brands like seasonic are well known for they're quality, also XFX and a few others rebadged made by them.
slannmage21/02/2020 21:49

But I still have every single PSU I've ever owned, they do not fail.... I …But I still have every single PSU I've ever owned, they do not fail.... I mean my Enermax 600watt PSU from 2004 is still the one I use in my PC today. At work I have a PC from the mid 90s I use to control the punching machine, and that PSU is still going strong. Why they give such long warranties... they last forever.


Hahaha of course they fail almost anything with electrolytics in it will eventually fail. If you use a ups then they have a much easier life but I've seen plenty die Inc a brand new known brand physically explode on the bench out of the box.

Yeah some psu's do last well esp the older ones that didn't require such tight tolerances, weren't so efficient & aren't driven as hard. That 90s pc isn't going to be supplying extra power to a PCI Express connector, extra power to the cpu etc plus its probably on a circuit that's got cleaner power than you might find at home it all adds up.

I spent a decade as a pc/epos field engineer & I promise you psu's do fail fairly regularly & not always in obvious ways I've had done really bizarre faults caused by a psu.
Rich4426/02/2020 08:25

Hahaha of course they fail almost anything with electrolytics in it will …Hahaha of course they fail almost anything with electrolytics in it will eventually fail. If you use a ups then they have a much easier life but I've seen plenty die Inc a brand new known brand physically explode on the bench out of the box.Yeah some psu's do last well esp the older ones that didn't require such tight tolerances, weren't so efficient & aren't driven as hard. That 90s pc isn't going to be supplying extra power to a PCI Express connector, extra power to the cpu etc plus its probably on a circuit that's got cleaner power than you might find at home it all adds up.I spent a decade as a pc/epos field engineer & I promise you psu's do fail fairly regularly & not always in obvious ways I've had done really bizarre faults caused by a psu.


I use three UPSs none have failed, the only thing that goes bad is the battery. As for going bang, only if something went to ground.... but that’s likely a build quality issue.

I dunno though I’ve been building PCs since the late 90s, even my Amiga from before the is still going. Ive never had a PSU for a PC die... like I said my main one is still he one I’ve had since 2004. I’ve built many PCs since and none of them have died either. The only faults I’ve ever had are Ram and HDDs, never had an SSD die either.
slannmage26/02/2020 09:27

I use three UPSs none have failed, the only thing that goes bad is the …I use three UPSs none have failed, the only thing that goes bad is the battery. As for going bang, only if something went to ground.... but that’s likely a build quality issue. I dunno though I’ve been building PCs since the late 90s, even my Amiga from before the is still going. Ive never had a PSU for a PC die... like I said my main one is still he one I’ve had since 2004. I’ve built many PCs since and none of them have died either. The only faults I’ve ever had are Ram and HDDs, never had an SSD die either.


The fact you use a ups possibly has helpes extended the life of some your PSUs.

You have been quite lucky IMO... I believed I had been lucky to personally have only had two ever go pop (one was back when I bought cheap) and one fan become too noisy on another in over 20 years (and I typically have a few systems at any one time). But having now designed PSUs for the scientific industry and knowing how they age, and being an avid overclocker, I have developed an appreciation of their importance as a component and even change PSUs on some important systems even where they haven't yet failed (not many I must admit). I generally do this at about 5-7 years (to give me time to get a good deal and depending on how much use said psu has seen... Ubergeek I know ).
Edited by: "rendeverance" 26th Feb
guitarman124/02/2020 22:25

I imagine the reason his lasted so long is because they were used in a PC …I imagine the reason his lasted so long is because they were used in a PC for office and web browsing. Try using a cheapo psu for something more taxing like gaming, it will likely become unstable or die. As mentioned, brands like seasonic are well known for they're quality, also XFX and a few others rebadged made by them.


Still using a XFX 550 Watt, Must be 8 years old at least, Been driving an overclocked i5 2500k and a HD7970, At one point it was driving the 7970 and a 280x in crossfire, Will admit it made a funny noise, At the moment it is still driving that same overclocked i5, An RX 570 and the HD7970 in another slot for 2 other monitors in my sim rig, Plus a few hard drives, Wheel, button boxes, Cracking power supply.
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