Results 1 to 8 of 8

Thread: how important is voltage regulation for overclocked CPU lifespan?

  1. #1
    Join Date
    Nov 2015
    Location
    Illinois
    Posts
    7
    Thanks Thanks Given 
    0
    Thanks Thanks Received 
    0
    Thanked in
    0 Posts

    Default how important is voltage regulation for overclocked CPU lifespan?

    I just bought a 4790K & an AsRock Z97 Extreme4 that I would like to overclock to a moderate degree (maybe to 4.5 Ghz) in a fairly roomy case. I'm not looking to push this equipment to its limit -- I got the AsRock because it was supposed to have good virtualization support, and the 4790K wasn't that much pricier at Microcenter than the alternatives. I would, however, like it to last a good long while.

    I might stick a R7 260X (115W TDP) and a GTX 750 (55W TDP) in there, using the former with secondary GPU pass-through in Xen, although I am not a gamer and wouldn't expect either card to go anywhere near its limits.

    Currently, I have an 550W XFX Bronze Core Edition of the sort that is often $27 after rebate @ Newegg. The review @ Jonnyguru and elsewhere was positive, except for some wonky regulation on the +12V.

    My main question is: how much should I worry about this PSU's voltage regulation from the perspective of maximizing the lifespan of my equipment, especially the 4790K?

    Looking at Newegg, the current options appear to be (prices after rebate):
    XFX TS 650W $40 (gold)
    EVGA 550W G2 $50 (gold)
    EVGA SuperNova P2 $70 (platinum)
    Corsair RM750x $80 (gold)

    Should I replace my current PSU with one of these units or something else?

    Thanks,
    Jaso

  2. #2
    Join Date
    Jun 2010
    Location
    The Netherlands
    Posts
    5,444
    Thanks Thanks Given 
    382
    Thanks Thanks Received 
    133
    Thanked in
    104 Posts

    Default

    If the C6 and C7 power states are enabled in the UEFI, you should disable it, otherwise you should be fine.

  3. #3
    Join Date
    Oct 2006
    Location
    Moderator
    Posts
    6,506
    Thanks Thanks Given 
    149
    Thanks Thanks Received 
    3
    Thanked in
    2 Posts

    Default

    The motherboard's VRM section is far more important for CPU stability than the regulation from the PSU. I'd be totally happy to get 3% or so from any one of my own personal units.

    I'm only running the crazy stable units I do because I review these things and companies keep sending me awesome units I can keep when I'm done

  4. #4
    Join Date
    Mar 2015
    Posts
    275
    Thanks Thanks Given 
    90
    Thanks Thanks Received 
    5
    Thanked in
    4 Posts

    Default

    and for gpu?

  5. #5
    Join Date
    Sep 2015
    Location
    New York City
    Posts
    57
    Thanks Thanks Given 
    2
    Thanks Thanks Received 
    0
    Thanked in
    0 Posts

    Default

    that motherboard (Asrock Z97 Extreme 4) has a widespread defect that AFAIK Asrock hasn't acknowledged. there seems to be an issue that caused many boards to fail outright after hours to a few months of use. also, the 4790k will clock to 4.4ghz on all cores out of the box on every Z97 motherboard. make sure you buy a cpu cooler for it, don't go making "i7 4790k overheating 100C!!" topic number 58 billion. yea, there's mountains of such topics from 4790k owners.

  6. #6
    Join Date
    Nov 2015
    Location
    Illinois
    Posts
    7
    Thanks Thanks Given 
    0
    Thanks Thanks Received 
    0
    Thanked in
    0 Posts

    Default

    Thanks for the thoughts and reminder about the aftermarket cooler. ( I have the be quiet! PURE ROCK CPU cooler that was on sale @ Newegg for $20 a while back:

    http://www.newegg.com/Product/Produc...9SIA68V2326642

    (review) http://www.tweaktown.com/reviews/715...ew/index6.html

    Regarding the board, I saw that after I bought it and would have been stuck with the return shipping/restocking. In addition, AsRock is said to be considerably better for Vt-d support than the alternatives, especially Asus, although I now wish I'd have sprung for the Extreme6! So, at the moment, I'm hoping I'm not one of the unlucky ones. That being said, I could run the Extreme4 with my G3258 for a few weeks to months if the failures seem to be declaring themselves during a relatively short period of time.

  7. #7
    Join Date
    Sep 2015
    Location
    New York City
    Posts
    57
    Thanks Thanks Given 
    2
    Thanks Thanks Received 
    0
    Thanked in
    0 Posts

    Default

    the pure rock is good. performs like the 212 EVO, only quieter.yeah, the extreme 6 would have been a good choice, but maybe you can dodge the issue on your extreme 4.

  8. #8
    Join Date
    Sep 2010
    Location
    New Jersey, USA
    Posts
    1,398
    Thanks Thanks Given 
    914
    Thanks Thanks Received 
    21
    Thanked in
    20 Posts

    Default

    For longevity, isn't the ripple more important than Voltage stabilty?

    OP - As for the Pure Rock, $20 was a steal. I reviewed it recently and found it to hit above its weight class. As long as you don't run Linpack with AVX2 steadily, you'll be fine.
    Core i7 4770K @4.3GHz + iGPU | GA-Z87X-UD4H | 2x8GB Crucial Ballistix DDR3@1600MHz
    Prolimatech Armageddon heatsink w/ 2 x 140mm NF-A14 PWM fans
    Samsung 840 Pro 512GB SSD | WD Black 4TB file disk | WD Red 3TB backup disk
    Fractal Design Define R5 case w/2 x NF-A14 ULN front fans | no exhaust fan; grill removed
    PSU Seasonic X-650 Gold

  9. The Following User Says Thank You to ehume For This Useful Post:

    sith'ari (11-28-2015)

Similar Threads

  1. ripple suppression vs voltage regulation: which is more important?
    By cossack in forum PC Power Supply Discussion
    Replies: 27
    Last Post: 02-10-2017, 07:37 PM
  2. Voltage Regulation Miscalculations on 850W GS?
    By turkey3_scratch in forum PC Power Supply Discussion
    Replies: 9
    Last Post: 01-18-2016, 03:17 AM
  3. Active Voltage Regulation over 1000w PSU
    By tcclaviger in forum PC Power Supply Discussion
    Replies: 8
    Last Post: 03-08-2012, 06:04 AM
  4. Question about voltage regulation
    By HOOfan_1 in forum PC Power Supply Discussion
    Replies: 16
    Last Post: 04-17-2009, 02:37 PM
  5. ST85ZF voltage regulation
    By taemun in forum PC Power Supply Discussion
    Replies: 10
    Last Post: 08-11-2007, 01:20 PM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •