Save up to 50% on 3-Day Sale deals.Ends 12/7.Shop now

Skip to content
Gift Ideas
Main Content

Customer Ratings & Reviews

No content
  • Corsair RM1000x is a powerful computer component that serves as a power supply unit. It is designed to provide efficient and reliable power to the motherboard and other components of a computer system. The RM1000x features a sleek black design and is equipped with a high-quality fan to ensure proper cooling. It is compatible with both SATA and PATA drives, making it suitable for a wide range of computer systems.
  • Corsair RMx Series Power Supplies: * Our best-selling power supplies, updated. * Fully modular, low noise, and Cybenetics Gold-certified for reliable power. * Corsair RM1000: Cybenetics Gold-certified for reliable power.
  • ATX 3.1 Certified: ATX 3.1 and PCle 5.1 compliant, ideal for delivering dependable power to current and future top-performing PCs. 100% Japanese 105C Electrolytic Capacitors. ATX 3.1 PCle 5.1 with 12V-2x6.
  • Fully Modular Connectors: Connect only what you need using sleek embossed cables with low-profile combs to make installations a breeze. Includes a 12V-2x6/CPU PCIe cable and a native 12V-2x6 GPU cable for use with modern graphics cards such as the NVIDIA GeForce RTX 40 Series.
  • 140mm Low-Noise Fan: A fluid dynamic bearing fan with magnetic dome structure keeps noise to a minimum, with Zero RPM mode to eliminate fan noise completely at low to medium loads.
  • The text on the image is already correctly grouped and written.
  • FULLY MODULAR CABLING Connect only the cables you need. 1x ATX (24-pin) 2x ATX 12V (4+4-pin) 4x PCIe (6+2-pin) 1x 12V-2x6 (12+4-pin) 3x SATA (Straight) 2x 3 PATA (4-pin)
  • World-Class 24/7 Customer Support. Our award-winning service means you can enjoy your gear worry-free.
  • CORSAIR X RM1000x
  • Corsair RM1000x
  • Corsair RM1000x is a CPU PCle power supply unit that is designed for high-performance gaming and overclocking. It has a black and silver color scheme and features a 12V-2x6 pin design. The power supply unit is compatible with both SATA and PATA hard drives, and it is suitable for use with a variety of motherboards.
  • Alt View 21. CORSAIR - RMX Series RM1000x Cybenetics Gold Fully Modular ATX Power Supply - Black.
  • Alt View 22. CORSAIR - RMX Series RM1000x Cybenetics Gold Fully Modular ATX Power Supply - Black.
  • Alt View 23. CORSAIR - RMX Series RM1000x Cybenetics Gold Fully Modular ATX Power Supply - Black.
  • Motherboard 12V-2x6 CPU PCIe/SATA/PATA. Designed for use with genuine Corsair Type 4 cable sets only.
  • Corsair RM1000X
  • S RPP R B? s P R8R8?88 P S RM1000x CORSAIR, s A

CORSAIR - RMX Series RM1000x Cybenetics Gold Fully Modular ATX Power Supply - Black

Model:
CP-9020271-NA
SKU:
6587607
Highly rated by customers for:
Your price for this item is $209.99

Customer reviews

Rating 4.8 out of 5 stars with 293 reviews

Rating Filter

Rating by feature

  • Value

    Rating 4.7 out of 5 stars

  • Quality

    Rating 4.9 out of 5 stars

  • Ease of Use

    Rating 4.9 out of 5 stars

Pros mentioned filter

Cons mentioned filter

97%would recommend to a friend

Customers are saying

Customers are satisfied with the RMX Series RM1000x power supply's performance, ample power capacity, and quiet operation, even under load. Many appreciate the ease of installation, excellent cable management due to its modular design, and the convenient fan control. The power supply's compatibility with various components is also frequently praised. While some users reported an absence of coil whine, it wasn't a widely discussed issue.

This summary was generated by AI based on customer reviews.

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Page 8 Showing 141-160 of 293 reviews

  • Quiet, efficient.

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Works great for what I need it to do. It's quiet. I have not been able to hear any increase in noise since installing.

    I would recommend this to a friend
  • Pros mentioned:
    Cable management
    Best Buy Employee

    Excellent upgrade

    |
    Best Buy Employee
    Posted . Owned for 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    The 12v GPU single cable is a life savor for new 40 and 50 series GPUs. Its also shorter than my 850 giving more cable managment space. fully sleeved cables. I Highly recommend.

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance

    Great

    |
    |
    Posted . Owned for less than 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great for performance can play heavy games and runs great

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance

    Awesome

    |
    |
    Posted . Owned for 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    The power supply is really really good you won’t fined a better one then this one !!

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance

    Corsair RM1000x

    |
    |
    Posted . Owned for 4 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    CORSAIR - RMX Series RM1000x Cybenetics Gold Fully Modular ATX Power Supply - Black works perfectly and does everything i need it to for my pc!

    I would recommend this to a friend

  • Great 1000watt modular PSU

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Super easy install and the fan adjuster knob is a very nice feature! Well worth the money spent!

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance

    Good psu

    |
    |
    Posted . Owned for 2 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Bought for rtx 5070 ti and psu works great. Minor complaint is I wish a bag to store any spare cables

    I would recommend this to a friend
  • Pros mentioned:
    Noise level

    Corsair RM1000x

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Excellent power supply. Plenty of connection ports and the cables are high quality. The unit runs silent even under load

    I would recommend this to a friend
  • Pros mentioned:
    Noise level

    This power supply is awesome

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Pc runs smooth and quiet a lot better than before worth the money

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance

    Great PSU

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great PSU and the price. Geek squad also had it installed in MINUTES

    I would recommend this to a friend

  • Pc must have

    |
    |
    Posted . Owned for less than 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    All the power I need for my PC. high quality and run everything I need on this power supply.

    I would recommend this to a friend

  • Solid psu

    |
    |
    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    great psu that powers my 4080 amd 9800x3d with no issues and handles power spikes like a champ. replaced a faulty 850w from asus that would randomly shut down during demandimg games, never going back!

    I would recommend this to a friend
  • Pros mentioned:
    Power capacity

    Fantastic PWR Supply

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Had issues with a smaller PWR Supply and this resolved all of those issues. Clean stable power across the board and has all the connections you need. Great overall PWR Supply!

    I would recommend this to a friend
  • Pros mentioned:
    Noise level

    Best Choice

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Plenty of outputs for builds with the newest components. Very quiet. Cables are very high quality.

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance

    Better Than the Other Brand I Had Previously

    |
    |
    Posted . Owned for 2 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I bought this to replace an inferior power supply from a different brand. I wish I did my homework the first time. This works as advertised.

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance

    This is the one!

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Solid power supply, absolutely zero issues and runs a very high demanding PC flawlessly.

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance

    The power house

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    The best power supply out there, it’s a decent price and has a lot of give.

    I would recommend this to a friend
  • Pros mentioned:
    Power capacity

    A must have for any high performace PC user

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Powers my new high performance gaming PC well is able power my 4080 super

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance

    1000w of quality.

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Perfect for a next-gen setup, I bought it for my RTX 5070 TI and it works perfectly for me.

    I would recommend this to a friend

  • Sime swap out

    |
    |
    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Upgraded my desktop. Was a simple swap out with older lower powered version.

    I would recommend this to a friend
Page 8, Showing 141-160 of 293 reviews
Sign in or Create Account

Get the latest deals and more.

Best Buy appLearn more
Share on YouTubeShare on InstagramShare on TikTokShare on FacebookShare on PinterestShare on X
Best Buy Canada
AccessibilityTerms & ConditionsPrivacyInterest-Based AdsState Privacy RightsHealth Data PrivacyDo Not Sell/Share My Personal InformationLimit Use of My Sensitive Personal InformationTargeted Advertising Opt OutCA Supply Chain Transparency Act
In-store pricing may vary. Prices and offers are subject to change. © 2025 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.