Cooler Master

Cooler Master RS650-AFBAG1-US V650 650W Gold PSU

4.5 (237 reviews)
650W

Cooler Master V650 delivers 80 PLUS Gold efficiency in one of the most compact fully modular ATX power supply designs available.

$129.99*
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*Price sourced from Amazon.com. Last updated:Jun 27, 2026.Price and availability are subject to change.

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Overview

The Cooler Master V650 (RS650-AFBAG1-US) is a 650W fully modular power supply that stands out for its remarkably compact ATX form factor. Designed for builders who need reliable, efficient power without sacrificing case space, it achieves 80 PLUS Gold certification, meaning it operates at up to 90% efficiency under typical loads. Every cable is detachable and uses a flat ribbon design, which makes routing through tight chassis considerably easier and helps maintain clean airflow inside your build.

Under the hood, the V650 relies on 100% Japanese capacitors rated at 105°C for consistent voltage regulation and long service life. Cooler Master's proprietary 3D Circuit Design positions internal components to minimize electrical interference and improve thermal performance. Keeping everything cool and quiet is the Silencio FP fan — a Cooler Master exclusive — that provides effective airflow at low noise levels. Backed by a 5-year warranty, the V650 is well suited for mid-range to upper-mid-range gaming PCs, workstations, and compact builds where space and silence are priorities.

Key Features

Compact & Quiet: The most compact ATX form factor power supply in its class

100% Japanese Capacitors rated at 105C for extreme durability

Quiet Silencio FP fan available exclusively from Cooler Master

Fully Modular flat ribbon cables for easy cable routing

Gold Guarantee with 5 years warranty covered by Cooler Master

3D Circuit Design lowers crosstalk and improves heat dissipation

Specifications

Brand
Cooler Master
Model
RS650-AFBAG1-US
Wattage
650W
Efficiency Rating
80 PLUS Gold
Modularity
Fully Modular
Cable Type
Flat Ribbon
Fan
Silencio FP (Cooler Master Exclusive)
Capacitors
100% Japanese, 105°C Rated
Circuit Design
3D Circuit Design
Form Factor
ATX (Compact)
Warranty
5 Years

Pros & Cons

👍 Pros

  • Fully modular flat ribbon cables simplify cable routing in tight cases
  • Exceptionally compact ATX form factor saves valuable case space
  • 100% Japanese capacitors rated at 105°C provide long-term durability
  • Silencio FP fan keeps noise levels low during operation
  • 80 PLUS Gold efficiency reduces wasted energy and heat output

👎 Cons

  • 650W may be limiting for high-end dual-GPU or heavily overclocked builds
  • Flat ribbon cables can be stiff and harder to bend in very tight spaces
  • 5-year warranty is shorter than the 7–10 year coverage offered by some competing Gold-rated units

Frequently Asked Questions

Yes, all cables are fully modular with flat ribbon-style connectors, so you only install the cables your build requires, making cable management much easier.
It uses 100% Japanese capacitors rated at 105°C, which contribute to long-term reliability and stable voltage output under load.
The V650 uses Cooler Master's exclusive Silencio FP fan, which is engineered for low-noise operation while still providing adequate airflow for cooling.
Cooler Master backs the V650 with a 5-year warranty.
Cooler Master's 3D Circuit Design arranges internal components to reduce electrical crosstalk between circuits and improve heat dissipation, contributing to cleaner power delivery.