# be quiet! Pure Power 12 M 850W vs NZXT C850 Gold (ATX 3.1): specs and price compared

A sourced, side-by-side comparison of the be quiet! Pure Power 12 M 850W (be quiet!) and NZXT C850 Gold (ATX 3.1) (NZXT) among power supplies. be quiet! Pure Power 12 M 850W is the cheaper of the two at $134.9.

## Side by side

| Spec | be quiet! Pure Power 12 M 850W | NZXT C850 Gold (ATX 3.1) |
| --- | --- | --- |
| US price | $134.9 | $144.99 |
| Brand | be quiet! | NZXT |
| Released | 2023-02 | 2024-06 |
| Wattage (W) | 850 | 850 |
| Efficiency rating | 80plus_gold | 80plus_gold |
| Modular | full | full |
| Atx version | ATX 3.0 | ATX 3.1 |
| Pcie 5 12vhpwr | Yes | Yes |
| Fan size (mm) | 120 | 135 |
| Warranty years | 10 | 10 |

## Key differences

- Atx version: be quiet! Pure Power 12 M 850W ATX 3.0 vs NZXT C850 Gold (ATX 3.1) ATX 3.1
- Fan size (mm): be quiet! Pure Power 12 M 850W 120 vs NZXT C850 Gold (ATX 3.1) 135

## Sources

- be quiet! Pure Power 12 M 850W: https://www.bequiet.com/en/powersupply/4072 (bequiet.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/be-quiet-pure-power-12-m-850w-vs-nzxt-c850-gold-atx31/
Cite: Per The Front Desk Review, be quiet! Pure Power 12 M 850W ($134.9) vs NZXT C850 Gold (ATX 3.1) ($144.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/power-supplies/be-quiet-pure-power-12-m-850w-vs-nzxt-c850-gold-atx31/
License: CC BY 4.0.