The newbie guide to power supply units, Questions and comments are welcomed
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 Sep 30 2019, 11:47 AM
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#1
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Junior Member
966 posts Joined: Nov 2009 
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QUOTE(Catnip @ Sep 30 2019, 02:05 AM) My Cooler Master UCP 1100W psu has now degraded after 9+ years of continuous 24/7 use. Plan to replace it with Cooler Master V1000. How exactly did you detect this degradation?Looking for better alternatives and suggestions if any before ordering one.  |
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Oct 6 2019, 07:42 AM
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#2
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Junior Member
966 posts Joined: Nov 2009
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QUOTE(mbr @ Oct 3 2019, 08:27 AM) Interesting interview with JonnyGuru himself. Maybe that's why my game auto quits during cutscenes.https://youtu.be/QJ_VV3UjEBY Tl;dr points: 1. Pairing 10 year old psu with recent high end systems (especially with GPU costing over usd250) is not a great idea 2. Power efficiency won't save you a ton of money but the added features could be desirable such as modular and/or sleeved cables. 3. It is hard to test the longevity of the PSU, but the warranty is a fair indication of manufacturer confidence. I have a 10 year old TX650 paired with an RX5700 XT. Then again, it's probably my fault running those on the i7-880. |
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Oct 7 2019, 07:07 AM
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#3
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Junior Member
966 posts Joined: Nov 2009
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Is there a diagnostic tool to assess health of PSUs?
I have a TX650W from 10 years ago as mentioned above and it seems to be running fine still. I'd like to know of it's time to replace it with a PSU that uses current tech like the RM 650, especially since I'm using an RX 5700XT This post has been edited by Current Events guy: Oct 7 2019, 07:30 AM |
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Oct 7 2019, 08:24 AM
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#4
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Junior Member
966 posts Joined: Nov 2009
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QUOTE(mbr @ Oct 7 2019, 08:10 AM) Could be the reason. Is your i7-880 still capable of running AAA titles at 1080p with high details? I find that my 2700k (stock) was struggling to keep up, so I upgraded last year. If I compare benchmarks, nope and I have no reason to believe my CPU is exceptional. I do try to push it as much as I can though. Last night, I tried playing DMC5 at everything at medium settings without any problems. The FPS was fluctuating 80 - 150 fps, CPU and GPU temps were 50 deg C and 70 deg C respectively. CPU utilization was 50% and GPU at 100%.My CM Silent Gold 650W has been running for 8-9 years too... Already prepared a TX-650M and waiting for a good time to change. But so far no issues with gaming using GTX1070Ti |
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Oct 8 2019, 11:21 PM
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#5
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Junior Member
966 posts Joined: Nov 2009
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QUOTE(mbr @ Oct 7 2019, 08:10 AM) Could be the reason. Is your i7-880 still capable of running AAA titles at 1080p with high details? I find that my 2700k (stock) was struggling to keep up, so I upgraded last year. So I went out and got a new RM 650, installed it and now I can play at ultra settings on DMC5 with a 5700 XT and a first gen i7 without any issues.My CM Silent Gold 650W has been running for 8-9 years too... Already prepared a TX-650M and waiting for a good time to change. But so far no issues with gaming using GTX1070Ti I'm very surprised on the results though. Who wouldve thought swapping out an old but still working PSU with a current one would allow you to play *some* AAA games on the highest settings. » Click to show Spoiler - click again to hide... « This post has been edited by Current Events guy: Oct 10 2019, 06:53 AM |
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Oct 13 2019, 07:40 PM
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#6
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Junior Member
966 posts Joined: Nov 2009
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QUOTE(Alert_RaZO @ Oct 13 2019, 04:26 PM) I want to build an itx What's your case? That's going to limit your GPU choices and in turn, your PSU. Amd ryzen 3400g 8g ram M2 nvme 512gb Requires how much watt? In future maybe add dedicated graphic card. Not high end Without much info, you'll be fine with a 400W. |
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Oct 14 2019, 05:50 AM
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#7
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Junior Member
966 posts Joined: Nov 2009
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QUOTE(Alert_RaZO @ Oct 13 2019, 11:21 PM) Jonsbo t8 As others mentioned, the SF450 (RM450) from corsair would fit your needs. It is however, not an easy PSU to find in stock. You can go for an SF model that has offers higher watts like the SF600 (RM600) or SF750 (RM750). Dunno what gpu.. maybe lower than 1k An alternative would be the SX650-G (RM450) from Silverstone. |
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Oct 15 2019, 05:49 AM
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#8
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Junior Member
966 posts Joined: Nov 2009
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QUOTE(Alert_RaZO @ Oct 15 2019, 03:17 AM) Can gip me the link both brand rm450? I searched hardly got sfx with lower watt I sent you a PM.Also, if you go for a higher watt PSU than you need I wouldnt worry too much about that if it's still within budget. It's not going to ruin your parts because the PSU only supplies the amount that is being drawn by each part up to it's rating. It doesnt overload parts with excessive watts. Besides, PSU max effectiveness is when it is operating within 50 - 70% of it's rating. |
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May 5 2020, 01:25 PM
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#9
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Junior Member
966 posts Joined: Nov 2009
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PSU these days come with two GPU PCIE cables that terminate into two 6+2 pins.
When would you use a single cable with two pins or two cables simultaneously? |
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May 6 2020, 06:14 PM
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#10
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Junior Member
966 posts Joined: Nov 2009
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QUOTE(Date Masamune @ May 6 2020, 02:31 PM) Hello sifus , i need psu recommendation for this 2 set How much more can you add to the budget?Ryzen 7 3700X MSI B450 Tomahawk max Kingston HyperX Fury D4 16GB 3200 Sapphire Rx5700xt Adata SU800 512gb and Ryzen 5 3600 MSI B450 Tomhawak Max Kingston HyperX Fury D4 16GB 3200 Sapphire Rx 5600 xt pulse Adata SU800 512gb or if i go ryzen 3700x + rx5600xt / ryzen 3600 + rx5700xt , i may add more hdd/ssd/rams in future psu budjet is around rm 350 or more if needed I'd recommend a 650W but those are in the RM450 range. Specific models are corsair RM650, Supeeflower Leadex III 650 or EVGA G+ 650. |
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May 6 2020, 06:24 PM
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#11
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Junior Member
966 posts Joined: Nov 2009
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QUOTE(Date Masamune @ May 6 2020, 06:20 PM) atm my budjet is actually Rm 320 to rm370 , but i tried not to exceed rm 400 This is a great option for your budgetSuper Flower Leadex II 650W Check out # Super Flower Leadex Gold II 80+ GOLD Full Modular PSU # [650W / 750W] for RM398.00. Get it on Shopee now! https://shopee.com.my/product/59277182/1461...8a1.&smtt=0.0.3 |
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May 8 2020, 12:13 AM
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#12
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Junior Member
966 posts Joined: Nov 2009
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QUOTE(shinichi31 @ May 7 2020, 09:37 PM) anyone? Im currently looking at CM MWE 550W 80+ White at around rm180 There isnt a PSU that stands above the rest at that budget, you could get any name brand PSU like CM, corsair, EVGA, silverstone, seasonic. |
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May 10 2020, 03:54 PM
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#13
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Junior Member
966 posts Joined: Nov 2009
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QUOTE(robin98 @ May 10 2020, 09:36 AM) Does it means that higher watts in PSU means more noise and more heat? Also to add, quality PSUs with higher watts have a 0 RPM/Silent Fan mode where the fan doesnt spin during low power draw usage (browsing/streaming media content) which helps with noise. |
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Aug 20 2020, 11:34 PM
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#14
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Junior Member
966 posts Joined: Nov 2009
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Any chance we'll see the phanteks revolt X from seasonic?
http://www.phanteks.com/Revolt-X.html I saw the phanteks enthoo pro 2 and feel inspired to transfer my builds there but the PSU supply is whats holding me back. |
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Sep 3 2020, 10:57 AM
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#15
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Junior Member
966 posts Joined: Nov 2009
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Guys, your thoughts on the CM V SFX PSUs?
This post has been edited by Current Events guy: Sep 3 2020, 01:25 PM |
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Sep 3 2020, 01:27 PM
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#16
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Junior Member
966 posts Joined: Nov 2009
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QUOTE(i7xQTi @ Sep 3 2020, 01:04 PM) holy shit that price Whoops my bad. unless you need 850w just get the corsair CM has an SFX line with the V suffix that they announced at Computex in Jan 2020 and an ATX line that's been around for a while. The links that I gave were for the ATX line so please disregard. It seems like CM hasnt updated their site to list details about the SFX line yet even though some said that they already got their units from Taobao. |
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Sep 3 2020, 05:41 PM
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#17
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Junior Member
966 posts Joined: Nov 2009
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QUOTE(AssToast @ Sep 3 2020, 04:27 PM) CM AU got link for it, https://www.coolermaster.com/au/en-au/catal.../v850-sfx-gold/. It's not available locally yet.Why do people buy from TaoBao when alternatives are available with warranty? The alternatives, like SF from Corsair are pricey and hard to come by. The other options are SX from Silverstone and FSP Dagger which are known to be loud. QUOTE(mois @ Sep 3 2020, 05:18 PM) Seem Corsair RM750 is great value Rm525 on shopee with 10 years warranty. I've got an RM650 bought last year, pretty good so far.SUper Flower LEADEX III 750W gold RM515 but 5 years warranty. Seasosonic GX 750 around RM565 10 years warranty. Cant go wrong with all of these haha. |
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Sep 3 2020, 07:37 PM
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#18
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Junior Member
966 posts Joined: Nov 2009
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QUOTE(i7xQTi @ Sep 3 2020, 06:13 PM) this wasnt true until the recent psu shortage though. i bought a sf750 prior to covid for what mustve been 650ringgit. I'm aware.considering corsair's sfx psus are 80+platinum, id say the old pricing fits its niche position I bought two sf750 in feb and March. both had to be recalled. Returned one as it was in the window and got a new unit for the other one. |
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