Corsair launches gargantuan 3,000W power supply for $599.99 — comes with four native 12V‑2x6 600W GPU cables

Corsair WS3000
(Image credit: Corsair)

Corsair has introduced the brand's first power supply exceeding 1,600W. The latest WS3000, featuring a capacity of 3,000W and 80 Plus Platinum-certified, is engineered to support systems and workstations equipped with multi-GPU configurations.

With dimensions measuring 6.9 x 5.9 x 3.4 inches (175 x 150 x 86 mm), the WS3000 constitutes a standard ATX 3.1 power supply that adheres to the PCIe 5.1 specification. Its length of 6.9 inches positions the WS3000 as potentially one of the most compact 3,000W power supplies available, facilitating installation within even conventional ATX cases. Like many contemporary high-end units, the WS3000 is equipped with a modular design, thus simplifying cable management.

The WS3000 leverages a 140mm double-ball-bearing fan for active cooling. However, it does not have the Zero RPM mode found in consumer models. This is because Corsair considers noise reduction a lower priority for the WS3000's use case. Additionally, it does not support iCUE, so you won't be able to monitor or control the WS3000 through Corsair's software.

Designed to support multi-GPU configurations, the WS3000 is equipped with four native 12V-2x6 power cables, specifically designed for contemporary graphics cards that utilize the 12VHPWR power connector. Furthermore, the power supply provides four dual 8-pin PCIe power cables, totaling eight 8-pin PCIe power connectors. Additionally, it includes two 8-pin EPS power connectors intended for high-end or workstation motherboards with power-hungry processors.

Corsair backs the WS3000 (CP-9020312-NA) with a limited ten-year warranty. The power supply has an MSRP of $599.99; however, we've seen it listed at Central Computer, a U.S. retailer, for $549.99, so it's possible to acquire the power supply for below MSRP.

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Zhiye Liu
News Editor, RAM Reviewer & SSD Technician

Zhiye Liu is a news editor, memory reviewer, and SSD tester at Tom’s Hardware. Although he loves everything that’s hardware, he has a soft spot for CPUs, GPUs, and RAM.

  • NightHawkRMX
    This costs more than my entire PC. One could only dream of owning something this fancy
    Reply
  • FunSurfer
    RTX 6090 Ti ready.
    Reply
  • Stomx
    Time for the entire PC industry to move from 12V to 24, 36 or even 48V. For 12V game is over
    Reply
  • chaz_music
    That will have the same GPU melting connector issues as the other PSU systems. And with the same huge GPU/ATX ground loop design error, it can damage the motherboard easier if the GPU return current takes the PCIe path back through the ATX power cable. They really need to stop using paralleled wiring for this kind of usage, and consider making the GPU power path isolated to break the ground loop. This isn't just an Nvidia problem - it also includes the PSU designs.

    Here is another TH article where I discuss these issues, including my finding that most of the GPU cable damage is occurring on the 12V supply wires and not the returns:

    https://forums.tomshardware.com/threads/asrocks-40-16-pin-power-cable-has-overheating-protection-to-prevent-meltdowns-%E2%80%94-a-90-degree-design-ensures-worry-free-installation.3885286/
    Reply
  • aberkae
    Lol still cheaper than the Seasonic Noctua 1600 watts psu with is going for $654 on Amazon currently. 🤦‍♂️
    Reply
  • Stomx
    Any recommendations for the splitter from 240V washer/dryer outlet ?
    Reply
  • JamesJones44
    Does that come with an electrician in the US to run a 220/240V circuit for your computer?
    Reply
  • Stomx
    By the way Corsair site claims for its 1500W PSU HX1500i the same input voltage

    AC INPUT : 200–240V

    Typo?
    It actually also works with 110V
    https://www.corsair.com/us/en/p/psu/cp-9020261-na/hx1500i-fully-modular-ultra-low-noise-platinum-atx-1500-watt-pc-power-supply-cp-9020261-na#tab-techspecs
    Reply
  • Amdlova
    Comes with argon? electrodes mig and tig torch?
    Reply
  • hotaru251
    You couldnt even use this all in a NA outlet could you?
    Reply