Seasonic
FOCUS PX-850 | 850W | 80+ Platinum | Full-Modular | ATX Form Factor | Low Noise | Premium Japanese Capacitor | 10 Year Warranty | Nvidia RTX 30/40 Super & AMD GPU Compatible (Ref. SSR-850PX)
*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.
Bottom line: The FOCUS PX-850 | 850W | 80+ Platinum | Full-Modular | ATX Form Factor | Low Noise | Premium Japanese Capacitor | 10 Year Warranty | Nvidia RTX 30/40 Super & AMD GPU Compatible (Ref. SSR-850PX) is a niche pick — read recent reviews before buying in the power supplies category, priced around $159.99. Read recent reviews carefully before committing.
Thanks to its small form factor the focus+ Platinum 850 watt power supply is a Mighty solution for those, who want to implement a smaller HTPC system or living room computer. This High quality unit is built with top-rated highly reliable aluminum electrolytic solid capacitors and it features Seasonic new cable-free connection design where the back panel and the PCB (printed circuit board) are connected by a copper plate. This premium design feature is a breakthrough solution that lowers the chance of production errors and improves output power quality.
SpecPicks Verdict
SpecPicks classifies Seasonic FOCUS PX-850 | 850W | 80+ Platinum | Full-Modular | ATX… as a niche pick — read recent reviews before buying in the power supplies category, based on our editorial and benchmark analysis and our ranking model that weights rating × review-volume × price-fit. Seasonic's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
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 Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Voltage: 100 V - 240 V
- ✓ Backed by Seasonic's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- Voltage: 100 V - 240 V
- Current: 12 - 6 a
- Frequency: 50 Hz - 60 Hz
- Total continuous power: 850W
- 80 plus Platinum
Full Specifications
| Brand | Seasonic |
|---|---|
| Current | 12 - 6 a |
| Voltage | 100 V - 240 V |
| Wattage | 850 |
| Fan Size | 120 Millimeters |
| Frequency | 50 Hz - 60 Hz |
| Model Name | FOCUS Plus 850 Platinum |
| Unit Count | 1.0 Count |
| Form Factor | ATX12V |
| Model Number | SSR-850PX |
| Built-In Media | Power Supply |
| Connector Type | ATX |
| Cooling Method | Air |
| Item Type Name | Power Supply |
Ready to buy?
Seasonic FOCUS PX-850 | 850W | 80+ Platinum | Full-Modular | ATX Form Factor | Low Noise | Premium Japanese Capacitor | 10 Year Warranty | Nvidia RTX 30/40 Super & AMD GPU Compatible (Ref. SSR-850PX) is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-07-22. Price and availability subject to change.
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