# MSI MPG A1000G PCIE5 vs NZXT C850 Gold (ATX 3.1): specs and price compared

A sourced, side-by-side comparison of the MSI MPG A1000G PCIE5 (MSI) 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 | MSI MPG A1000G PCIE5 | NZXT C850 Gold (ATX 3.1) |
| --- | --- | --- |
| US price | $199.99 | $144.99 |
| Brand | MSI | NZXT |
| Released | 2022-09 | 2024-06 |
| Wattage (W) | 1000 | 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 |

## Key differences

- Wattage (W): MSI MPG A1000G PCIE5 1000 vs NZXT C850 Gold (ATX 3.1) 850

## What reviewers say

**MSI MPG A1000G PCIE5** — Only one whitelisted tester (Tom's Hardware) lab-tested this exact model. It praised the unit's exceptional power quality, tight 12V regulation and low operating temperatures, while flagging an aggressive fan that turns loud above 500W, slack OCP/OPP thresholds, a high-load efficiency drop, and a steep price. (1 sourced review.)

## Sources

- MSI MPG A1000G PCIE5: https://www.newegg.com/msi-atx-atx-3-0-compatible-atx12v-1000-w-80-plus-gold-certified-power-supplies-black-mpg-a1000g-pcie5/p/N82E16817701016 (newegg.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/msi-mpg-a1000g-pcie5-vs-nzxt-c850-gold-atx31/
Cite: Per The Front Desk Review, MSI MPG A1000G PCIE5 ($199.99) vs NZXT C850 Gold (ATX 3.1) ($144.99) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/power-supplies/msi-mpg-a1000g-pcie5-vs-nzxt-c850-gold-atx31/
License: CC BY 4.0.