Skip to contentGo to Product Search
Main Content

CORSAIR - CX-M Series CX650M Semi-Modular Low-Noise ATX 3.1 Power Supply - Black

Model: CP-9020310-NA
SKU: 6641923
Sold byBest Buy

Customers are saying

Customers are enthusiastic about the overall performance of this product, noting that it functions reliably without any issues. Users also appreciate the power stability it provides, highlighting that it delivers plenty of power for their PC setups.

Generated by AI based on customer reviews.

Features

  • Native 12V-2x6 cable

    No adapters are required to use the newest Nvidia RTX 50-series GPUs as well as older 40-series cards.

  • Ample Power

    CX-M includes 650W and 750W power supplies, which provides up to 450W and 600W of GPU power through a single cable. That’s more than enough power for the RTX 5070 and 5070 Ti, as well as the RTX 4070 and 4080 lineups.

  • ATX 3.1 & PCIe 5.1

    Updated to the latest standards for power delivery and connectivity to provide reliable power throughout their long lifespan.

  • Semi-Modular Design

    The main power cables are attached, with the rest of the cables being modular, so you only use what you need.

  • All the right cables

    Includes a 12V-2x6 cable for next-gen GPUs as well as cables for PCIe devices and SATA, so it covers all the bases for connectivity.

  • Compact Design

    It features a compact 140mm length design for an ATX PSU, ensuring it’ll easily fit in any ATX chassis.

  • 120mm Low-Noise Fan

    Runs cool and quiet with a near-silent 120mm fan that spins silently under low and medium loads, so unless you’re running at full power, you’ll never even know it’s there.

  • Cybenetics Bronze Efficiency

    Certified to provide up to 85% overall efficiency, so it produces less noise and heat.

  • LLC Topology

    In addition to its Bronze rating, its LLC topology also allows it to be more efficient across a wide range of loads.

  • 105°C Capacitors

    Built with high-tolerance capacitors for long-lasting, reliable operation.

  • 7-Year Warranty

    A long warranty provides peace of mind that it will reliably power all your PC components for more than one build.

Specifications

  • Wattage
    650 watts
    Modular
    Semi-modular
    Energy Efficiency
    Cybenetics Bronze
    ATX Connector
    ATX 3.1
    PCIe Connector
    4x Pcle 8-pin (6+2)
    EPS12V Connector
    2x EPS12V 8-pin (4+4)
Sponsored

Reviews

Rating 4.8 out of 5 stars with 17 reviews

94% would recommend to a friend
Customers are sayingCustomers are enthusiastic about the overall performance of this product, noting that it functions reliably without any issues. Users also appreciate the power stability it provides, highlighting that it delivers plenty of power for their PC setups.
This summary was generated by AI based on customer reviews.
  • Overall Performance (9)
  • Power Stability (3)

Customer Images

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.

  • Rated 5 out of 5 stars

    Great Value Power Supply – Reliable and Quiet

    I purchased the Corsair CX650M for a mid-range PC build, and it has been an excellent choice. The semi-modular design made installation easy and kept cable management neat, while the overall build quality feels solid and trustworthy. It delivers stable power with no issues during gaming or heavy workloads, and I haven’t experienced any shutdowns or coil whine. The fan runs very quietly, even under load, and the 80 Plus Bronze efficiency offers a good balance between performance and energy savings. The cables are high quality and long enough for a clean setup in a standard ATX case. Overall, the CX650M is a reliable, well-priced power supply that I would gladly recommend to anyone looking for dependable performance.

    Posted by ChaithanyaC

  • Rated 5 out of 5 stars

    Great power supply

    Great power supply. Replaced my dead one, and should be good for my next computer if I ever close to upgrade. It's funny that I have never heard about the cybernetics rating system even though I am somewhat of a PC nerd.

    Posted by JadonD

  • Rated 5 out of 5 stars

    Working Great

    It works great for my new media sever build. The small form factor and semi-modular design is great for mediem and older cases.

    Posted by Dorn

  • Rated 5 out of 5 stars

    Corsair = great products

    my older pc along with the main large plug has another motherboard 4 pin plug I thought this unit was not compatible but talked to a PC builder and he showed me the power supply has an 8 pin plug that also works on the the 4 pin connection. The plastic housing has a specific shape so you can only put it on one way the correct way. If you have an older motherboard like me this info might help. The only thing this power supply was missing is a small plug for my optical drive but I guess a lot of computers do not have optical drives now days or maybe the plug style has changed.

    Posted by Noah

  • Rated 5 out of 5 stars

    Good power supply

    Great power supply! It works reliably, provides plenty of power for my PC, and feels well-built. I would definitely recommend it. However, if you’re planning on making future upgrades, I recommend going with a 750W power supply for extra headroom.

    Posted by HAYDENG

  • Customer reviews from bestbuy-ca

    Syndicated rating, 5 out of 5 stars with 2 reviews on bestbuy-ca.

    See all bestbuy-ca reviews

Compare similar products

CORSAIR - CX-M Series CX650M Semi-Modular Low-Noise ATX 3.1 Power Supply - Black
CORSAIR - CX-M Series CX650M Semi-Modular Low-Noise ATX 3.1 Power Supply - Black
4.8(17)

Power next-gen GPU without breaking the bank with upgraded CX-M ATX 3.1 Series power supplies. High-end GPUs are supported with a new 12V-2x6 GPU power cable, and even more future-proofing is provided by ATX 3.1 compliance and PCIe 5.1 readiness. A powerful 120mm fan allows for a compact design that will easily fit into any ATX chassis, and it spins quietly under modest loads, ensuring near-silent operation. Cybenetics Bronze certification affords up to 85% overall efficiency, ensuring cool and quiet operation. A semi-modular design enables easy cable management, and a 7-year warranty provides peace of mind.

CORSAIR - RMe Series RM750e 80 PLUS Gold Fully Modular Low-Noise ATX 3.1 and PCIE 5.1 Power Supply - Black

CORSAIR RMe Series Fully Modular Low-Noise Power Supplies provide quiet, reliable power with Cybenetics Gold efficiency to your PC. The modular cables make PC builds easy, as you connect only the cables your system requires. With ATX 3.1 and PCIe 5.1 compliance with inclusion of native 12V-2x6 connnector and cable, and an array of PCIe 8-pin power connectors, RMe PSUs have the connections needed to power today’s demanding PC hardware. Industrial-grade, 105°C-rated capacitors deliver superb electrical performance, backed by a seven-year warranty. With a 140mm-long casing that works with nearly any modern case, the CORSAIR RMe Series is steady power for your system.

CORSAIR - Refurbished Excellent - CX-M Series CX650M Semi-Modular Low-Noise ATX Power Supply - Black

CORSAIR CX-M Series Low-Noise Power Supplies offer 80 PLUS Bronze efficiency and semi-modular cabling for reliable, low-noise operation. With Dual EPS12V cables and two/four PCIe 8-pin power connectors, CX-M PSUs have all the connections needed to power today’s most demanding PC upgrades. Japanese 105°C-rated capacitors deliver superb electrical performance and reliability for your system, backed by a five-year warranty. Robust DC-DC conversion ensures clean, consistent power for all your components and peripherals. With a compact 140mm size allowing for great flexibility in build configurations, CX-M Series power supplies deliver reliable power for nearly any build.

Thermaltake - Smart BM3 80+ Bronze PCIE Gen 5 ATX 3.0 650W Semi-Modular Power Supply - Black
4.6(55)

Power Up the Next Generation Hardware. Smart BM3 80 PLUS Bronze certified semi modular power supply unit is designed to meet ATX 3.0 standards, it also comes with one PCIe Gen 5.0 (12VHPWR) connector to support modern graphics cards. With an ample 5-year warranty, the Smart BM3 series is able to satisfy the market, where value-oriented users are looking for a new power supply with all the latest features.

Pros for CORSAIR - CX-M Series CX650M Semi-Modular Low-Noise ATX 3.1 Power Supply - Black
Overall Performance, Power StabilityOverall Performance, Noise Level, Installation Ease, Cable Management, Power CapacityThere were no pros for this product—Overall Performance, Installation Ease, Noise Level, Cable Design

Specs

Questions & Answers

  • How long is the warranty for this power supply?

    The power supply comes with a seven year warranty.

    This question and answer was generated by AI based on customer and product data.
  • What is the wattage of this power supply?

    This power supply has a wattage of 650 watts.

    This question and answer was generated by AI based on customer and product data.
  • Is this power supply modular?

    This power supply has a semi-modular design.

    This question and answer was generated by AI based on customer and product data.
  • Are any adapters required for the newest Nvidia RTX 50-series GPUs?

    No, adapters are not required for the newest Nvidia RTX 50-series GPUs.

    This question and answer was generated by AI based on customer and product data.
  • Does this power supply support ATX 3.1?

    Yes, this power supply supports ATX 3.1.

    This question and answer was generated by AI based on customer and product data.
Ask a question
No content

Customers often buy these together

Sponsored