Skip to contentGo to Product Search
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:
11534254
Highly rated by customers for:
$255.49

Customer reviews

Rating 4.9 out of 5 stars with 417 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

98%would recommend to a friend
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 17 Showing 321-340 of 417 reviews
  • Pros mentioned:
    Overall performance

    Great PSU

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

    Worth it! Works great with my 5080 founders edition. Best bang for your buck

    This review is from CORSAIR - RMX Series RM1000x Cybenetics Gold Fully Modular ATX Power Supply - Black

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

    W product

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

    Excellent product , but bought the wrong one. Would buy again

    This review is from CORSAIR - RMX Series RM1000x Cybenetics Gold Fully Modular ATX Power Supply - Black

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

    Great PSU!

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

    Solid PSU with minimal noise and GPU specific power cable

    This review is from CORSAIR - RMX Series RM1000x Cybenetics Gold Fully Modular ATX Power Supply - Black

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

    Excellent

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

    Indigo if I go tho. Hypo. Copy hoh igcccvbbc bbjknb

    This review is from CORSAIR - RMX Series RM1000x Cybenetics Gold Fully Modular ATX Power Supply - Black

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

    Works great!

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

    No issues..runs my RTX 4090 with out a problem and has nice cable.

    This review is from CORSAIR - RMX Series RM1000x Cybenetics Gold Fully Modular ATX Power Supply - Black

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

    great

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

    worked great came with every bit of cords i needed very easy to work with

    This review is from CORSAIR - RMX Series RM1000x Cybenetics Gold Fully Modular ATX Power Supply - Black

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

    Good Upgrade

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

    This one worked perfectly to update a system with a new GPU that required a bigger power supply than the original.

    This review is from CORSAIR - RMX Series RM1000x Cybenetics Gold Fully Modular ATX Power Supply - Black

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

    The best option for the money

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

    Reliable brand and power supply what more could you ask for.

    This review is from CORSAIR - RMX Series RM1000x Cybenetics Gold Fully Modular ATX Power Supply - Black

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

    Great product

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

    Works great, very quiet and accommodated all of my needs.

    This review is from CORSAIR - RMX Series RM1000x Cybenetics Gold Fully Modular ATX Power Supply - Black

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

    Quiet

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

    Good quality, good product. Very nice and quieter than I expected.

    This review is from CORSAIR - RMX Series RM1000x Cybenetics Gold Fully Modular ATX Power Supply - Black

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

    Great choice

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

    Works perfect, upgraded to a 1000w PSU for the new 9070xt OC

    This review is from CORSAIR - RMX Series RM1000x Cybenetics Gold Fully Modular ATX Power Supply - Black

    I would recommend this to a friend

  • Awesome

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

    The new cables are nicer to work with and the Included cable for more power hungry cards takes way less space!

    This review is from CORSAIR - RMX Series RM1000x Cybenetics Gold Fully Modular ATX Power Supply - Black

    I would recommend this to a friend

  • Great Upgrade

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

    Great upgrade going from a 10 year old PSU to this. Super easy to install.

    This review is from CORSAIR - RMX Series RM1000x Cybenetics Gold Fully Modular ATX Power Supply - Black

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

    Works great

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

    My pc runs very smooth with this new power supply!

    This review is from CORSAIR - RMX Series RM1000x Cybenetics Gold Fully Modular ATX Power Supply - Black

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

    not to shabby

    |
    |
    Posted . Owned for 5 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    powers a 7800xt just fine after my old power supply burnt out

    This review is from CORSAIR - RMX Series RM1000x Cybenetics Gold Fully Modular ATX Power Supply - Black

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

    Great PSU

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

    Great product. Runs in my computer quietly. Great value.

    This review is from CORSAIR - RMX Series RM1000x Cybenetics Gold Fully Modular ATX Power Supply - Black

    I would recommend this to a friend

  • Great power supply

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

    Solid and reliable. The fact you can also adjust the fan speed is great!

    This review is from CORSAIR - RMX Series RM1000x Cybenetics Gold Fully Modular ATX Power Supply - Black

    I would recommend this to a friend

  • Great, almost amazing.

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

    Its a safe choice when it comes to PSU's that can protect components in the case of damages or surges. I have seen 2 of these break and protect all components flawlessly when faced with this Island's surges. I can safely recommend it.

    This review is from CORSAIR - RMX Series RM1000x Cybenetics Gold Fully Modular ATX Power Supply - Black

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

    Good power supply

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

    Built a new system, and this powers my 9800x3d and 4080S no problems.

    This review is from CORSAIR - RMX Series RM1000x Cybenetics Gold Fully Modular ATX Power Supply - Black

    I would recommend this to a friend

  • Solid gold+ psu

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

    Solid PSU for your new gpu. It's actually higher than gold. Came with the other newer certificate on the box that says plat!

    This review is from CORSAIR - RMX Series RM1000x Cybenetics Gold Fully Modular ATX Power Supply - Black

    I would recommend this to a friend
Page 17, Showing 321-340 of 417 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. © 2026 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.