CORSAIR CX650 80 Plus Bronze Non Modular Low-Noise ATX 650 Watt Power Supply - NA - Black
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Availability:
Only 5 left in stock, order soon!
Arrives
Tuesday, Jun 23
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Style: Non Modular
Size: 650 Watts
Features
- 80 PLUS Bronze Certified: Provides up to 88% operational efficiency, generating less heat and lowering your energy costs.
- Full Continuous Power: CORSAIR CX Series power supplies are guaranteed to deliver their full rated wattage of continuous power.
- Low-Noise Cooling: A 120mm thermally controlled low-noise cooling fan only spins at high speed when your power supply is under heavy stress, slowing down for quieter operation at lower loads.
Description
CORSAIR CX Series Power Supplies are 80 PLUS Bronze Certified, offering up to 88% operational efficiency for reduced heat and lower energy costs. Their full continuous power delivery guarantees consistent performance, while a 120mm thermally controlled low-noise cooling fan ensures quiet operation. Fitting easily into most modern PC cases with its compact 125mm length, the CX Series features black sleeved cables and a black powder-coated casing to fit your PC's style. Enjoy confidence in your purchase with a three-year warranty and the support of CORSAIR's global technical team, ensuring dependable power for your system.
Model Name: CX650
Brand: Corsair
Compatible Devices: Monitor
Connector Type: ATX
Output Wattage: 650
Form Factor: ATX
Wattage: 650 watts
Cooling Method: Air
Item dimensions L x W x H: 4.92 x 5.91 x 3.39 inches
Item Weight: 4.19 Pounds
Compatible Devices: Monitor
Connector Type Used on Cable: ATX
Output Wattage: 650
Form Factor: ATX
Wattage: 650 watts
Cooling Method: Air
Power Supply Design: Non-Modular
Number of Fans: 1
Fan Size: 120 Millimeters
Maximum Input Voltage: 240 Volts (AC)
Minimum Input Voltage: 115 Volts
System Bus Connector Type: PCIe
Item Dimensions: 4.92 x 5.91 x 3.39 inches
Item Weight: 4.19 Pounds
Model Name: CX650
Brand: Corsair
Manufacturer: Corsair
UPC: 840006670933
Mfr Part Number: CP-9020278-NA
Model Number: CP-9020278-NA
Warranty Description: 3 Years Manufacturer
Unit Count: 1.0 Count
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Tuesday, Jun 23
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Style: Semi-Modular
Size: 650 Watts
I’ve been using the Corsair CX650M in my build for a while now, and it’s been exactly what I hoped for in a solid, no-nonsense power supply. The semi-modular design is one of my favorite parts — you only plug in the cables you actually need, which keeps the inside of the case much cleaner and makes airflow better. 650 watts is plenty for most mid-range systems, and this unit handles things without breaking a sweat. It’s not crazy expensive, but it doesn’t feel cheap either. It has enough juice to run a decent GPU and CPU combo comfortably, and I haven’t had any stability issues, even when the system is under load. Noise levels are low, which I appreciate. The fan stays quiet during normal use, and even under heavier load it doesn’t ramp up to an annoying level. It’s one of those parts that just does its job without calling attention to itself. Build quality feels good too. Corsair has been around forever in PC hardware, and this PSU shows why. The wiring feels sturdy and the connectors are solid — nothing flimsy. It also has the 80 Plus Bronze efficiency rating, which means it wastes less power and runs more efficiently than basic units. All in all, the CX650M is a dependable choice if you want a reliable power supply that’s easy to work with, stays quiet, and supports a wide range of components. If you’re building or upgrading a mid-tier gaming or productivity PC, it’s a power supply worth considering.
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Reviewed in the United States on February 17, 2026 by Mehran
Style: Semi-Modular
Size: 650 Watts
Replaced a 600W in a Lenovo Legion T5 where the mobo was lost. Easy install, quiet, and the power is spot on, zero discrepancies. If that changes, I'll update: I prefer 100% modular but having it modular outside of the primary power rails in an NZXT H9 Flow saved me some money; the case hid everything well, so going full modular wasn't necessary and I was able to invest in a fan hub and stay within budget. No vibrations, zero rail discrepancies, super quiet, and the modular use outside of the mobo requirements are nice. Value is spot on, connectivity on both ends is great, it looks awesome, the cable quality is better than a Raidmax I once tried (and the CoolerMaster it replaced), and managing even the stiffer primary cables was easy. I'm giving this thing 5-Stars outright due to the simple fact the power has zero issues. Perfection in that regard. Well done, Corsair; impressive.
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Reviewed in the United States on August 8, 2025 by CajunDragon
Style: Semi-Modular
Size: 650 Watts
Very happy with its performance. The semi-modular design made cable management a breeze—only plug in what you need, which helps keep the case clean and airflow efficient. It runs very quietly, even under load, and has been rock solid in powering my system with no issues. Cable mangement looked nice when finished. The build quality feels premium, and it comes with all the necessary cables and clear instructions. I also appreciate the 80 Plus Bronze certification—perfect for mid-range builds or even higher-end setups that don’t need extreme wattage. Highly recommended for anyone looking for a dependable and affordable power supply!
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Reviewed in the United States on August 6, 2025 by Jesus Loves Me
Style: Semi-Modular
Size: 650 Watts
Bought as a spare, but as I no always do, tested out upon receipt... basically stuffed into a working machine and let it run for a couple days to make sure working as expected. Then, boxed up on the shelf for that inevitable day when a working units craps out. Don't ask how I know about these things....
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Reviewed in the United States on March 4, 2026 by A. Armstrong
Style: Semi-Modular
Size: 650 Watts
Slim cables save space in the computer case. Depending on the components installed. Some adapters may not work. Overall it is quiet and works well.
Reviewed in the United States on November 1, 2025 by buser33
Style: Non Modular
Size: 650 Watts
Came with a loose Ac to wall power cable and I had to use a spare. Overall it works great, but the dud of an Ac to wall cable docks a star from me. Not worth the trouble of their ticket system, but an odd defect to have but I guess I got a bad cable by chance.
Reviewed in the United States on January 18, 2026 by Lisa C
Style: Semi-Modular
Size: 650 Watts
I needed to replace the 10-year old Antec 380W PSU for my modest build: Ryzen 2200g with integrated graphics, 16 gb memory, M2 nvme, and dvd drive. It had evolved over the years to that configuration, with the Antec PSU being the oldest part still standing. It hadn't ever failed or caused any kind of problem. But it's exhaust air at idle had become warm enough to hint that it was on its way out. At the time I ordered it, the Corsair cx650m was a very good deal: less expensive than the similar 550, with the 450 being unavailable at any reasonable price. But I was concerned the 650 would be less efficient than the 450 for the modest power my machine used. It seemed outlandish to have a psu that was rated at four to six times the power required. A comparison at a few popular hardware-test sites showed that the efficiency at my typically low power levels was practically identical for the 450 and 650 -- and quite good by any standard. All the corsair cx-m units had glowing reveiws after what looked like very picky examination and testing. I was also concerned that having an "overpowered" psu could somehow damage my computer. A little reading showed that's not normally a worry. In addition, the cx650m passed all the limit / protection tests the experts threw at it. Although I wasn't able to confirm this, it also seems reasonable that a power supply will last longer if it's just coasting than if it's under a heavy load all the time. Maybe, maybe not. We'll see. Installing the CX650 was a breeze. It powered up with no problem, and the exhaust air was cool. If I put my ear next to the case, I could barely hear the fan at idle. (Corsair advertises that the fan speed is constant from 0 to nearly 400W.) With the computer under the desk, I can't hear it at all. Any ATX build needs at least the two fixed cables that are on the unit. My dvd player required one of the five additional modular cables that were included. So the interior of the case is much less cluttered than before, presumably with better air flow now. With luck, the bit of web research and this review will be the last thoughts I give to power supplies for the next ten years.
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Reviewed in the United States on November 13, 2022 by RRR
Style: Semi-Modular
Size: 650 Watts
Compré este power supply para una PC gaming de gama media/alta y, después de varios meses de uso, me ha dejado una buena impresión en general. La instalación fue bastante sencilla y lo que más agradecí fue que al ser semi-modular, no tuve que llenar el gabinete de cables que no iba a usar. Eso hace que el cable management sea mucho más fácil, especialmente si tu case no tiene demasiado espacio. La estoy usando con una configuración con una NVIDIA GeForce RTX 4060 y un procesador Ryzen, y hasta ahora ha sido bastante estable. No he tenido apagones repentinos, ruidos extraños ni problemas de energía jugando títulos como Call of Duty: Warzone, Fortnite y Grand Theft Auto V. Corsair indica que esta fuente ofrece 650W, certificación 80 Plus Bronze, ventilador de 120 mm con rodamiento tipo rifle, condensadores japoneses de 105°C y garantía de 5 años, lo cual me parece bastante sólido para este rango de precio. Algo a tener en cuenta es que no es una fuente pensada para builds extremadamente exigentes con GPUs de gama alta como una NVIDIA GeForce RTX 5090 o una NVIDIA GeForce RTX 5080, pero para PCs de gama media o incluso algunas configuraciones un poco más potentes sigue siendo una opción bastante razonable. Lo positivo: -Semi-modular (menos cables innecesarios) -Buena estabilidad -Marca confiable -Bastante silenciosa en uso normal -Buena opción para gaming de gama media Lo menos positivo: -No tiene certificación Gold -Para GPUs muy exigentes quizá conviene algo más potente En resumen, si estás armando una PC con componentes de gama media y buscas una fuente confiable sin gastar demasiado, esta me parece una compra bastante equilibrada. No es la fuente más premium del mercado, pero cumple muy bien para uso diario y gaming.
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Reviewed in the United States on April 29, 2026 by Winning