GM850 Power Supply 850W, PCIe 5.1 & ATX 3.1 Full Modular 80 Plus Gold Certified Gaming PSU for NVIDIA RTX 20/30/40 Series and AMD Graphics Cards
*Price sourced from Amazon.com. Last updated 2026-07-06. Price and availability subject to change.
Bottom line: The GM850 Power Supply 850W, PCIe 5.1 & ATX 3.1 Full Modular 80 Plus Gold Certified Gaming PSU for NVIDIA RTX 20/30/40 Series and AMD Graphics Cards is a niche pick — read recent reviews before buying in the power supplies category, priced around $79.99. Read recent reviews carefully before committing.
SpecPicks Verdict
SpecPicks classifies Segotep GM850 Power Supply 850W, PCIe 5.1 & ATX 3.1 Full Modular 80… 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. Segotep'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
- ✓ Native 12VHPWR Cable: It can generate up to 600W of power to PCIe 5.1 graphics cards
- ✓ Backed by Segotep'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
- ATX 3.1 & PCIe 5.1 Ready: The PSU can hold up to 200% total power excursion & 300% GPU power excursion
- 80 Plus Gold Certified: The 80 PLUS Gold certification promises higher efficiency & lower energy consumption
- Fully Modular: Full module with flat white cables, improve airflow & strengthen cable management
- Native 12VHPWR Cable: It can generate up to 600W of power to PCIe 5.1 graphics cards
- Stable +12V Output: DC-DC structure, Full Bridge LLC resonance assist, 12V synchronous rectification provide stable & safe output
Full Specifications
| Brand | Segotep |
|---|---|
| Wattage | 850 watts |
| Fan Size | 140 Millimeters |
| Model Name | gm850 |
| Unit Count | 1.0 Count |
| Form Factor | ATX |
| Model Number | 850W |
| Fully Modular | Full module with flat white cables, improve airflow & strengthen cable management |
| Connector Type | ATX 3.1, PCI Express 5.1 |
| Cooling Method | Air |
| Number of Fans | 1 |
| Output Wattage | 850 |
| Item Dimensions | 5.91 x 5.51 x 3.35 inches |
| Mfr Part Number | 850W |
Ready to buy?
Segotep GM850 Power Supply 850W, PCIe 5.1 & ATX 3.1 Full Modular 80 Plus Gold Certified Gaming PSU for NVIDIA RTX 20/30/40 Series and AMD Graphics Cards 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 2026-07-06. Price and availability subject to change.
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