Cifer

Hi, I'm trying to buy a 1440p monitor at a decent price, but where I live most of the stuff we can find is both mediocre AND ridiculously overpriced. Even if you choose to buy a good display at obscene pricing, those monitors aren't available. There's only one option that actually looks attractive, the very no-namish Hybrok WINGS HW32ICU : http://www.hybrok.com/produit/wings-hw32icu/ According to the spec sheet, it's a 32inch 1440p 165Hz display, VA panel, while being far cheaper than any display we can buy here with similar specs. Is there any way to dig up info on this monitor, or the manufacturer?

Hi, I'm looking for RGB DDR5 RAM that can save the RGB profile on the stick itself, so that it lights up with the correct colors (not default rainbow effect) from the start. I've heard Corsair Dominator kits can do this, are they the only ones? Thanks

Some Corsair news for you : https://www.corsair.com/newsroom/press-release/ready-to-go-beyond-fast-corsair-announces-compatibility-for-nvidia-40-series-graphics-cards TLDR : September 29th is when they'll start shipping their custom h12vpwr cable, rated for 600W. Link to order the cable : https://www.corsair.com/ww/en/Categories/Products/Accessories-|-Parts/PC-Components/Power-Supplies/600W-PCIe-5-0-12VHPWR-Type-4-PSU-Power-Cable/p/CP-8920284 This is quite interesting, though :

a/ Pushing a 1500W PSU to 1700W continuous b/ Replacing the stock fan with an unadapted case fan with much lower max speed c/ Using molex to PCIe adapter a + b + c = recipe for disaster

Very useful post, you should also have it on your personal website (in a more detailed version if possible). Do you think it's possible to obtain a coilwhine-proof 80+gold PSU by increasing the switching frequency of an 80+titanium unit? "Coilwhine proof" could become a selling point, especially if it's not covered by warranty (no such thing as zero risk) but still is backed-up by a badge of some sort (Cybenetics might be interested in creating a coilwhine scale).

My question is : " What is it that is impossible to watercool in a PSU? " If we can passively cool components with thermal epoxy in low power scenarios, why can't we do the same thing in high power scenarios by cooling them actively instead (thermal epoxy + some waterblock of some sort that keeps the thermal epoxy nice and cool).

Question : Why is it that we can make power bricks (zero internal airflow) but can't make fully watercooled PSUs? What is it that requires direct contact with the coolant (air/non electrictricly conductive liquid/epoxy) and can't be cooled with any sort of a heatsink?

The crazy pricing isn't import taxes related. It's just scalper pricing. They import and sell low volumes, therefore to make max profit they increase the margins. We have the same issue where I live (Morocco). All sellers agree on scalping prices, this way every seller makes scalper profits. Pricing has dropped significantly since the crypto crash because they (= the GPU manufacturers and distributors) can't sell the cards at ridiculous prices. Which means as long as crypto doesn't bounce back in the near future, next gen cards should be a better investment. I would personally wait, but I don't know the Egyptian market, and I can't predict the future ...

Yes. It's single rail only, so no shutdowns. At very low loads, it would be louder because the fan in the Core GC doesn't spin when the PSU is cold, while the fan in the MSI A850GF is always spinning. But it doesn't matter because your hard drives are a lot louder than the fan in the A850GF. Don't use the Core GC to power your system, that PSU is mediocre and should never be used with something as expensive as a 3080Ti. This being said : Personally, if I were you, I would wait for the release of the next generation cards, because 3080s / 3080Tis / 3090s tend to die for no reason, and good luck getting your card replaced where you live. It is suspected that they die like that because they use suspicious components. Next gen cards should not suffer from the same sudden death issues (apparently they fixed the issue with 3090Tis). More details here in case you're curious : youtube video If you really can't wait, based on these benchmarks, buying a 3080 12G would be a better deal (24500EGP instead of 26600EGP), since the performance is basically identical : You would then be able to invest the extra cash in a superior PSU for example.

I don't know how much you're willing to spend, but if you have 3080Ti money and still haven't bought the Seasonic rebrand, I think you have better options on that website : - Best option (if budget isn't a limiting factor) : Corsair HX850 (4500EGP) very quiet, great performance, great build quality, multi-rail is an option - Best bang for the buck : XPG Core Reactor 750w (2450EGP) : solid unit (better than Seasonic Focus), should be enough for a 3080Ti - Other good option : MSI A850GF (3450EGP): solid unit, on the louder side, but since you're using hard drives it doesn't matter - Cheapest good option, but with a catch : Bitfenix Whisper M 750W (2050EGP): solid unit, only problem is that you might run into shutdowns caused by the transient spikes (you can't disable multirail OCP on this unit)

Hi, I have a prebuilt that uses a delta PSU (GPS-300JB A), and would like to replace it with a brand new PSU. I couldn't find much info about this unit, other than "ATX 12V" under "Form Factor" : https://www.deltaww.com/en-us/products/Desktop-Workstation-Power/ALL/ A few pics of the motherboard 24pin and CPU 4pin : Can I just assume that the motherboard pinout is regular ATX stuff, or should I first check with a DMM ?

I have asked them to send me a picture of the PSU, the part number doesn't have the /RF : Thanks again for your precious help !

My hope was that a x16 PCIe adapter could leverage all 16 of the 2.0 lanes, but apparently it will use only 4 of those lanes, making the 2.0 PCIe slot the bottleneck. SATA M.2 SSD = outdated, terrible value today SATA 2.5in SSD = terrible value (not cheaper than M.2 nvme SSD, significantly slower, less durable + requires data and power cables) Yeah, the nvme SSD is much better value to me Thank you !

Thank you !

Hi, I want to replace my 1TB storage drive (HDD) with a 1TB nvme SSD (970 EVO : gen 3.0 x4). My problem is that my motherboard comes with a single M.2 slot, which is already occupied by another nvme SSD (boot drive). That means I have to use a PCIe adapter, but will my motherboard-CPU combo allow the 970 EVO to run at max speed? Configuration : CPU : AMD R5 1600AF Motherboard : B450 Tomahawk Max It appears that I have to use the PCIE_E4 slot (gen 2.0 x16). Will the lower transfer speeds of gen 2.0 (vs. gen 3.0) impact the performance of the 970 EVO ?

Hi, I'm back with more questions pertaining to this setup... Since I didn't need to buy the PSUs right away, I chose to wait until I first get my hands on the GPU. But there has been some change to the market that might drive me to buy right now. One of the most popular PC shops in my country (Morocco) has been doing something quite unusual for the past few days : they have restocked the 2018 RM750x , and they're selling it at a really decent price (when compared to the rest of the moroccan market) : $157 instead of the usual $210. https://www.ultrapc.ma/43-alimentations-pc @jonnyGURU : Has Corsair been heavily discounting these EOL units to get rid of whatever was left in stock ? If not, should I just see this pricing as a red flag? Could it be that they are reselling refurbished units as brand new?

Thanks a lot for all the help !

Thanks for the info ! I therefore deduce that the burst mode on the non-x does make noise... which means I dodged a mighty bullet right there... Since I'm going with a dual-PSU setup, I've been trying to gather info on how to make the whole thing work, which inevitably brought me to this article of yours : http://www.jongerow.com/PSU_relay/index.html You could have done what miners do, but instead you went out of your way to include relays. Could you please explain why?

Hi, For a future high-end build (nvidia 4000 GPU in mind, no mining), I am considering the dual-PSU option for maximum silence (2x 2019 RM750). I am already shopping for the PSUs because I am very sensitive to electrical noises (coil whine and such), and want to take actions before I find myself shopping in a market where all PSUs come with burst mode. I understand that this is something PSU manufacturers are forced to do in order to follow new efficiency requirements. I am not blaming them. It's just that I've heard horror stories caused by said burst mode, and wish to know if I should just pay a little extra in order to get a dead silent PSU at low loads (2018 RM750x to be precise). I have read the review of the non-x RM750 Aris has published, but couldn't find any info about exactly when the PSU leaves burst mode. Therefore, my questions are the following : 1/ Do we know how many watts one needs to draw from a 2019 RM750 non-x for it to leave burst mode? 2/ Are there any tricks available to force non-burst mode? (would an increased load on the minor rails help in any way?) 3/ Would a high end AMD CPU (5950x) draw enough power on idle to make an RM750 leave burst mode if coupled with a high power-draw GPU? Would an overclock on the CPU help, even at idle? (The plan is to put all of the CPU load + 24pin load + 1 VGA cable on the first RM750, while the other RM750 will be providing power to the GPU only via 2 other VGA cables) 4/ When the PC is turned off, it still draws power, which will probably force burst mode. Does enabling ErP prevent burst mode from occurring? 5/ Based on the answers to the questions above, should I just bite the bullet and buy 2x 2018 RM750x now that they are still available and call it a day? (Where I live, RM750 costs around 180 USDs, while the 2018 RM750x costs 215 USDs).

Cooler Master's V Platinum lineup is supposed to be the same thing, but I never see people recommending it. Do you know of something problematic with Cooler Master's implementation?

Do you actually own one, or do you just rely on the decibel measurements?

Hi, I am considering acquiring a new power supply, and one of the available options is the CM V850 Platinum. This PSU uses a delta DBB fan instead of the very good Silencio FP that CM implemented in their Masterwatt Maker. Since the fan is always spinning (600rpm and up), I'm a bit worried it would make low RPM noise. Does anyone own this unit ? Is the fan truly imperceptible at 600RPM? Thanks for any feedback !

I finally got an answer from the technical support : the PM5-FR is indeed compatible with 220V. As promised, I have upvoted your answers. Thank you all for your help !

@akio123008 @HanZie82 Both of you guys are probably right, but I would rather not take the risk. Germany is 230V only as well, and their electric standards aren't being used by countries outside the EU (230V only), and yet APCs products that target the German market are rated for 220V-230V-240V. Compare that to the PM5-FR that's targeting France, a country whose electric standards are being used in many African countries, and yet isn't rated for 220V. I agree with you that a moderately higher voltage won't hurt the performance of the surge protection. But that's not the problem here. The problem is that the lower voltage might introduce a fire hazard inside the surge protector itself if it's not designed to handle that low of a voltage. To find out for sure, I've sent an email to APC's technical support in which I explain the situation, and will wait for their answer. Once they get back to me, I'll update you, and will mark your answers as correct if they confirm what you said. Thank you all for your help !

Then why does APC list some surge protectors as 230V only while others are listed as 220V-230V-240V? Why aren't they just listing everything as 220-230-240V compatible?