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Corsair RM850x Fully Modular ATX PSU $168 Delivered @ Amazon AU

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Corsair RM850x Fully Modular ATX PSU $168 Delivered @ Amazon AUAffiliate
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O O on 18/03/2024 - 12:55 amazon.com.au (1651 clicks)
Last edited 18/03/2024 - 12:56 by 1 other user
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Big smile sale deal on Corsair RM850x PSU.

About this item

  • Fully Modular- Only connect the cables your system needs, making clean and tidy builds easier
  • 135mm Magnetic Levitation Fan- Utilizes a magnetic levitation bearing and custom engineered rotors for high performance, low noise, and superior reliability
  • EPS12V Connector- For wide compatibility with modern graphics cards and motherboards
  • 100 percent All Japanese 105°C Capacitors- Premium internal components ensure unwavering power delivery and long-term reliability
Price History at C CamelCamelCamel.
Computing 80 Plus 850W ATX PSU Big Smile Sale Computer Component Corsair Power Supply Unit

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closed Comments

  • AnnoyingEshayLad on 18/03/2024 - 13:02
    -4

    can this support usb c

  • AlgoTrading on 18/03/2024 - 13:08

    Tempted to return my RM750e and get this instead

  • ironworthy on 18/03/2024 - 13:09
    -6

    Expensive for no 12vhpwr socket which all new GPUs use

    • j1nx on 18/03/2024 - 13:32

      RM850x uses type 4 cable, and therefore supports 12VHPWR type 4 cables.

      • ironworthy on 18/03/2024 - 13:52
        -1

        It will obviously connect to new GPUs but not as simple as single dedicated socket

      • Zenskas on 18/03/2024 - 13:53
        +3

        To clarify, I take it you'd need to purchase the 12VHPWR cable separately as it doesn't appear to be included?

      • bangbangbooya on 18/03/2024 - 14:33
        +1

        i bought this a month ago and had no issues connecting the 2xType 4 PCIe power cables to a 7900XT GPU.

    • Jugganautx on 18/03/2024 - 14:00
      +4

      All new gpus come with an adapter cable that fits 2 8 pins….

    • reactor-au on 18/03/2024 - 14:41

      12VHPWR is so last year, we on 12V-2x6 now

  • [Deactivated] on 18/03/2024 - 13:11
    +8

    White RM850 is also at that price for people looking to do a snow build.

  • HardwoodTimber on 18/03/2024 - 13:26
    +2

    I bought this a few months ago for a similar price. It's a very quiet PSU. Would buy again

    • garage sale on 18/03/2024 - 13:42

      have the 750x the cpu fan is older than power supply

      • greennick on 18/03/2024 - 13:59

        Assume you mean louder. My CPU fans (2 CPUs each running 2 fans for 4 total fans) are about the same volume as the RM750x I have, but they're Noctua fans, so that is understandable.

    • kaleidoscope on 18/03/2024 - 17:17
      +1

      Would buy again

      If it’s a good psu I wouldn’t be buying again 😂

  • flypig on 18/03/2024 - 13:59
    +5

    $30 more you can get this one:
    https://www.scorptec.com.au/product/power-supplies/atx/10029…

    1000w, ATX 3.0, PCIe5

    • Look Up on 18/03/2024 - 18:30
      +10

      Poor recommendation leading OzBargainers astray

      1/ It's $189 at Umart/MSY

      2/ Silverstone's 5 year warranty for a supposedly top spec 1000W Gold ATX 3.0 unit is garbage

      3/ For 1000W Gold ATX 3.0, the DeepCool PX1000G for $199 is the vastly superior choice: 10 year warranty, same CWT OEM as Corsair and well reviewed at HWBusters / Cybernetics

      • robbi812 on 18/03/2024 - 18:51
        +3

        Dunno why you were negged, but you're absolutely right. A short warranty is very telling.

        Additionally, it looks like Scorptec's website is actually wrong too. If you go to SilverStone's warranty page instead, it states that particular model (DA1000R-GM) only has a 3 year warranty within Australia (weirdly, it's 7 years in Thailand and Vietnam).

        • Look Up on 18/03/2024 - 18:58
          +3

          Additionally, it looks like Scorptec's website is actually wrong too.

          You're right

          3 year warranty on a $189 1000W Gold ATX 3.0 power supply is a joke

          Already a bad recommendation, now beyond terrible

  • robbi812 on 18/03/2024 - 14:20
    +4

    Fair warning: the cables for this are incredibly stiff. I have Thermaltake's Core V21 case, and the cable plugged into my GPU (Sapphire Pulse 6700xt) just barely clears the top panel when closed. Any tighter of a fit and I'd be worried about damaging either the GPU's power connector, or the cable itself.

    If that sounds like a bad time, I'd suggest maybe a Seasonic instead. Helped a friend build with one of their gold models, and it was much easier.

    • robbi812 on 18/03/2024 - 15:24
      +4

      Photo for reference

      • kingmoron on 18/03/2024 - 15:54
        +7

        That seems awfully long and stiff

        • robbi812 on 18/03/2024 - 15:55
          +2

          ( ͡° ͜ʖ ͡°)

    • CodeExplode on 18/03/2024 - 16:44
      +2

      Yeah my last two PSUs have been Corsair modulars, and while I haven't had any issues with them once set up, each time plugging in has been pretty difficult because of how hard it is to bend the cables. e.g. Wrapping them around the back of the motherboard and then around the sides stretches them to their absolute limit and is quite difficult to connect.

      • robbi812 on 18/03/2024 - 17:11
        +2

        Agreed. I bought it to replace my 10yo Corsair CS750M which had died, and it was a nightmare to install. But aside from the cables, it's a very good and very quiet PSU that hasn't skipped a beat since.

  • javawoo on 18/03/2024 - 15:35
    -1

    my old desktop has this. this is still working lol

  • BitcoinKing on 18/03/2024 - 15:37
    +2

    If you are waiting for the high-end RTX 50 series cards like me, go for a ATX 3.0 product.

  • thegieche on 18/03/2024 - 20:22

    I’m putting together a fairly low power home Unraid server. It’ll be using an i5-14500 and 8-10 hard disks. It won’t be using a dedicated GPU. It looks like it will use around 500w so I’m looking for something around the 650w range.

    Because this box will be on 24x7 and will live in my hallway cupboard, I’d like the PSU to be power efficient and quiet.

    I’m weighing up between

    RM650 for $126 - currently leaning towards this.

    RM650e is out of stock (everywhere, not just Amazon) but this seems like it would be perfect.

    RM750e is a bit bigger than I need but price is okay at $148.

    RM750x for $188 - seems like overkill and it’s more expensive than the….

    RM850x for $168 is huge overkill.

    What would you do?

    • Look Up on 18/03/2024 - 20:31

      It looks like it will use around 500w so I’m looking for something around the 650w range.

      Double check that 500W - seems very high

      PSU's are most efficient around 50% utilisation so if you really are drawing 500W continuously, you would go for a 1000W unit

      Also double check the fan curve to see if the PSU has zero or low RPM mode at the typical load % you're using

      • thegieche on 18/03/2024 - 20:58

        Hmm. I think you’re right. PC Part Picker estimates 394W for this parts list. https://au.pcpartpicker.com/list/X9MnqR

        It will also have:
        - an LSI 9207-8i HBA card which I had assumed would draw more power but Google says around 9-10W

        • a 10G ConnectX3 SFP+ network card which again I had assumed would be higher but Google says uses about 6W.

        So that takes it to 409W total. While it will hit this sometimes, most of the time the box will be idling. The hard drives also spin down when not in use so I’m shooting a bit bigger to hopefully average around 50% utilisation of the PSU.

        This does have me thinking that even 650W is on the high side but there seem to be even fewer available options around 550W.

        • Look Up on 18/03/2024 - 22:34

          Super Flower Leadex III Gold 550W Power Supply $109 Delivered @ PCCG

          This is ideal

          A Tier Quiet with dual low RPM fan modes

          5 year warranty is not ideal but considering Super Flower's reputation, the price and the fact that any failure will happen in the first few years with your 24/7 load, it's acceptable

          Also, PCPP has the 14500 using 154W which is max turbo rather than the typical 65W base

          If you set Eco mode and/or the appropriate power limit, the 550W will be more than enough

    • rexar on 18/03/2024 - 22:15
      +1

      I've recently made a similar Unraid server, though based around an AMD 5700G. I picked the RM750x after reading the Cybernetics report (2021 version) at low loads and local pricing.

      Long story short I compared a set of power supplies I had on hand on my contrived Fedora 35 CPU+motherboard+RAM only idle test scenario. The RM750x had a wall draw of sub-20W equivalent to my 8 year old Silverstone SST-600G with an Antec HCG850 Gold not too far behind. Other supplies I had on hand drew about 50W and nothing I did could get them lower. The fully built-out server does draw more than this due to peripherals, software loading and Unraid's 6.1-series kernel not supporting all AMD's power saving features yet but I felt comfortable in choosing the RM750x as at least it seemed capable of managing low draws without too much wastage.

      The RM850x according to Tom's Hardware (written by Cybernetics anyway) is the same other than beefed up APFC components. How this reacts to low load I can't say for sure but the load maps in the Cybernetics paper look very similar between the two. Hopefully that translates to an equivalent result.

    • Kabal on 20/03/2024 - 21:10

      I would get this one

      I just did even though its gonna be for an AMD 5650GE build which is gonna use nowhere near this much power lol

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