Segotep
Segotep 650W ATX Power Supply
Bottom line: The Segotep 650W ATX Power Supply ($49.99 on Amazon as of 2026-10-06): 80 Plus Gold certified for lower heat output and power waste; main trade-off: non-modular: unused cables stay attached and need stashing in the case.
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*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
Pros & Cons
Pros
- ✓ 80 Plus Gold certified for lower heat output and power waste
- ✓ Four PCIe 6+2 pin connectors, rated by Segotep for 40-series GPUs
- ✓ Single 12V output avoids per-rail amperage limits under heavy GPU load
- ✓ Global voltage adaptation plus PFC protection for varied power grids
Cons
- ✗ Non-modular: unused cables stay attached and need stashing in the case
- ✗ 650W leaves limited headroom for flagship GPUs or heavy overclocking
- ✗ Listing does not mention a native 12VHPWR/12V-2x6 GPU connector
- ✗ Warranty length is not stated in the product listing
Manufacturer description
The Segotep GN-650 is a 650W ATX power supply with 80 Plus Gold certification, aimed at mid-range gaming builds where efficiency and GPU connector count matter more than modular cabling. Gold certification means less energy is lost as heat. That helps keep case temperatures down and lets the 120mm fan run quieter under typical gaming loads. A single 12V output puts the unit's full 12V capacity on one rail, so high-amperage components like graphics cards don't run into per-rail limits. You get four PCIe 6+2 pin connectors, which Segotep says support 40-series graphics cards. That covers most…
SpecPicks Verdict
SpecPicks scored Segotep 650W ATX Power Supply using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. Segotep's power supplies lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for power supplies of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Frequently Asked Questions
Is the Segotep GN-650 modular?
No. The GN-650 is non-modular, so all cables are permanently attached. Plan to route or tuck away the cables you don't use, especially in small cases.
Can the Segotep 650W PSU run an RTX 40-series graphics card?
Segotep says the four PCIe 6+2 pin cables support 40-series graphics cards. Check your card's recommended PSU wattage against the GN-650's 650W rating before you buy. Also note that the listing doesn't mention a native 12VHPWR cable, so a card with that port may need its included adapter.
How efficient is the Segotep GN-650?
It is 80 Plus Gold certified, which means it meets the Gold efficiency thresholds at standard load levels. As a result, it wastes less power as heat than Bronze or White-rated units.
Does the Segotep GN-650 work with international voltages?
Yes. Segotep lists global voltage adaptation as a feature, so the unit is designed for use worldwide. PFC protection helps it handle input voltage fluctuations.
What warranty comes with the Segotep GN-650?
The product listing does not state warranty terms. Check the Amazon listing or Segotep's official site for current warranty coverage before you buy.
Key Features
- 80+ Gold Certified: The power supply boasts an impressive 80+ Gold Certified rating, guaranteeing exceptional efficiency
- Non-Modular Design: This power supply eliminates clutter and ensures neat cable management, promoting optimal airflow and a much cooler system
- Single 12V Output for Higher Power Usage: Power supply delivers reliable and stable power, even in demanding situations that require high amperage
- Global Voltage Adaptation: Whether you're travelling or working abroad, the Global Voltage Adaptation feature of the Segotep GN-650 Power Supply is perfect for use worldwide
- Four PCI-E 6+2 Pin Connectors: All wires can be separated from the power supply, making the inside of the case look cleaner. Four 12V 6+2 Pin cables support 40-series graphics cards
Full Specifications
| Brand | Segotep |
|---|---|
| Wattage | 650 watts |
| Fan Size | 12 centimeters |
| Unit Count | 1 Count |
| Form Factor | ATX, ATX12V |
| Connector Type | ATX |
| Cooling Method | Air |
| Number of Fans | 1 |
| Output Wattage | 650 |
| Item Dimensions | 5.91 x 5.51 x 3.35 inches |
| 80+ Gold Certified | The power supply boasts an impressive 80+ Gold Certified rating, guaranteeing exceptional efficiency |
| Compatible Devices | Personal Computer |
| Non-Modular Design | This power supply eliminates clutter and ensures neat cable management, promoting optimal airflow and a much cooler system |
| Power Supply Design | Non-Modular |
| Warranty Description | 5 years |
| Maximum Input Voltage | 240 volts_of_alternating_current |
| Minimum Input Voltage | 100 volts |
| Global Voltage Adaptation | Whether you're travelling or working abroad, the Global Voltage Adaptation feature of the Segotep GN-650 Power Supply is perfect for use worldwide |
| Item dimensions L x W x H | 5.91 x 5.51 x 3.35 inches |
| System Bus Connector Type | 24 Pin |
| Full listing title | Segotep 650W ATX Power Supply, 80 Plus Gold Certified | Non-Modular with 6+2 Pin Connectors PFC Protection and RoHS Compliance, 120mm Silent Fan Gaming PSU GN-650 Black |
Ready to buy?
Segotep 650W ATX Power Supply, 80 Plus Gold Certified | Non-Modular with 6+2 Pin Connectors PFC Protection and RoHS Compliance, 120mm Silent Fan Gaming PSU GN-650 Black is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
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