Brand: Seasonic · SKU: SS-850KM3 · MPN: SS-850KM3 · Category: Components
The Seasonic X-Series 850W (SS-850KM3) is a high-performance, 80 PLUS Gold certified power supply featuring a fully modular cabling system. It pioneered the market with an integrated DC connector panel and onboard Voltage Regulator Module (VRM) for near-perfect DC-to-DC conversion and reduced current loss. Equipped with a state-of-the-art 120mm Sanyo Denki San Ace silent fan and Seasonic's Hybrid Silent Fan Control (S3FC), it operates in fanless mode at loads below 30%. Built with 105°C Japanese capacitors and gold-plated high-current terminals, it ensures exceptional reliability and efficiency for enthusiast-grade PC builds and multi-GPU configurations.
| Wattage | 850W |
|---|---|
| Fan Type | 120mm Sanyo Denki San Ace (Double Ball Bearing) |
| Connectors | 1x 20/24-pin, 2x 4/8-pin CPU, 4x 6/8-pin PCI-E, 10x SATA, 5x Molex |
| Modularity | Fully Modular |
| Protection | OPP, OVP, UVP, OCP, OTP, SCP |
| Form Factor | Intel ATX 12 V |
| Efficiency Rating | 80 PLUS Gold |
| Voltage Regulation | ±1% |
| Warranty | 7 Years |
| Weight | 9.00 lbs |
| Dimensions | 150 mm (W) x 160 mm (L) x 86 mm (H) |
The Seasonic X-Series was the first power supply line to achieve 80 PLUS Gold certification. It features a patented DC Connector Module with integrated VRM and a high-efficiency design that remains silent at low to medium loads. It is a preferred choice for enthusiasts seeking stable power delivery and cable management flexibility.
Yes, this Seasonic X-Series 850W Power Supply (SS-850KM3) is 100% genuine Seasonic hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This Seasonic X-Series 850W Power Supply includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the SS-850KM3.