# Seasonic Focus GX-850 (V4) vs NZXT C850 Gold (ATX 3.1): specs and price compared

A sourced, side-by-side comparison of the Seasonic Focus GX-850 (V4) (Seasonic) and NZXT C850 Gold (ATX 3.1) (NZXT) among power supplies. NZXT C850 Gold (ATX 3.1) is the cheaper of the two at $144.99.

## Side by side

| Spec | Seasonic Focus GX-850 (V4) | NZXT C850 Gold (ATX 3.1) |
| --- | --- | --- |
| US price | $149.99 | $144.99 |
| Brand | Seasonic | NZXT |
| Released | 2024-11 | 2024-06 |
| Wattage (W) | 850 | 850 |
| Efficiency rating | 80plus_gold | 80plus_gold |
| Modular | full | full |
| Atx version | ATX 3.1 | ATX 3.1 |
| Pcie 5 12vhpwr | Yes | Yes |
| Fan size (mm) | 135 | 135 |
| Warranty years | 10 | 10 |

## Sources

- Seasonic Focus GX-850 (V4): https://www.amazon.com/Seasonic-GX-850-ATX3-Full-Modular-Compatible/dp/B0DLFMTX12 (amazon.com, verified 2026-06-19)
- NZXT C850 Gold (ATX 3.1): https://nzxt.com/products/c850-gold-atx (nzxt.com, verified 2026-06-19)

Canonical: https://frontdeskreview.com/gear/power-supplies/seasonic-focus-gx-850-v4-vs-nzxt-c850-gold-atx31/
Cite: Per The Front Desk Review, Seasonic Focus GX-850 (V4) ($149.99) vs NZXT C850 Gold (ATX 3.1) ($144.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/power-supplies/seasonic-focus-gx-850-v4-vs-nzxt-c850-gold-atx31/
License: CC BY 4.0.