PCCOOLER
PCCOOLER KN650 650W ATX 3.1 Fully Modular Power Supply
Bottom line: The PCCOOLER KN650 650W ATX 3.1 Fully Modular Power Supply is a specs-and-price decision rather than a crowd-consensus one in the power supplies category, priced around $75.99 on Amazon as of 2026-10-06. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.
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*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
Pros & Cons
Pros
- ✓ Backed by PCCOOLER's warranty and support channels
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated
SpecPicks Verdict
SpecPicks scored PCCOOLER KN650 650W ATX 3.1 Fully Modular Power Supply using a rating × review-volume × price-fit model applied to published specs and reviews across the power supplies category. PCCOOLER'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.
Key Features
- ATX 3.1 POWER FOR MAINSTREAM BUILDS: Built to the Intel ATX 3.1 standard, this 650W fully modular power supply is designed to manage changing system loads while keeping unused cables out of the build.
- 80 PLUS GOLD EFFICIENCY: 80 PLUS Gold certification supports efficient power conversion under typical loads. A 100–240V full-range AC input suits compatible mains environments; use the included regional power cord.
- JAPANESE 105°C CAPACITORS: A Japanese bulk capacitor and 105°C-rated capacitors support stable long-term operation. The thermally controlled 120mm hydraulic-bearing fan adjusts cooling as system load changes.
- FLEXIBLE FULLY MODULAR CABLING: Connect only the cables your build needs. The flexible embossed cable design helps simplify routing in compatible ATX cases; use only the modular cables supplied with this KN650.
- CHECK GPU CONNECTORS BEFORE ORDERING: Includes one 24-pin motherboard cable, two CPU cables, two PCIe 6+2-pin cables, one SATA cable set, and the AC power cord. The listed KN650 package does not include a 12V-2x6 cable.
Full Specifications
| Brand | PCCOOLER |
|---|---|
| Wattage | 650 watts |
| Model Name | PCCOOLER KN650 |
| Model Number | KN650 |
| Connector Type | ATX |
| Cooling Method | Air |
| Output Wattage | 650 watts |
| Item Dimensions | 5.91 x 5.51 x 3.35 inches |
| Mfr Part Number | CP-9020295-NA |
| Compatible Devices | Monitor |
| Power Supply Design | Full Modular |
| Warranty Description | 5 Years Manufacturer |
| Maximum Input Voltage | 240 volts_of_alternating_current |
| Minimum Input Voltage | 100 volts_of_alternating_current |
| Item dimensions L x W x H | 5.91 x 5.51 x 3.35 inches |
| Connector Type Used on Cable | ATX |
| EU Spare Part Availability Duration | 5 years |
| Full listing title | PCCOOLER KN650 650W ATX 3.1 Fully Modular Power Supply, 80 Plus Gold | Japanese 105°C capacitors, flexible embossed cables, dual CPU cables and seven circuit protections, 5-year warranty |
Ready to buy?
PCCOOLER KN650 650W ATX 3.1 Fully Modular Power Supply, 80 Plus Gold | Japanese 105°C capacitors, flexible embossed cables, dual CPU cables and seven circuit protections, 5-year warranty 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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