be quiet!
be quiet! Pure Power 12 M 850W
$134.9Cheaper
Released 2023-02
Best Power Supplies · head-to-head
be quiet! Pure Power 12 M 850W vs NZXT C850 Gold (ATX 3.1)
A sourced, side-by-side comparison. be quiet! Pure Power 12 M 850W is cheaper at $134.9. Every spec and price links to its source.
NZXT
NZXT C850 Gold (ATX 3.1)
$144.99
Released 2024-06
Which is better: the be quiet! Pure Power 12 M 850W or NZXT C850 Gold (ATX 3.1)?
On the specs we track, they're closely matched. The be quiet! Pure Power 12 M 850W is the cheaper at $134.9.
As an Amazon Associate we earn from qualifying purchases. Prices verified at capture; live price may differ.
Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | be quiet! Pure Power 12 M 850W | NZXT C850 Gold (ATX 3.1) |
|---|---|---|
| US price | $134.9 MSRP (USD) | $144.99 MSRP, black model |
| 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 |
| Release year | 2023 | 2024 |
Sources — be quiet! Pure Power 12 M 850W: bequiet.com (verified 2026-06-19). NZXT C850 Gold (ATX 3.1): nzxt.com (verified 2026-06-19).
What's the difference between the be quiet! Pure Power 12 M 850W and NZXT C850 Gold (ATX 3.1)?
Where the two actually differ on the specs we track (2 of 7). Matching specs are omitted.
- 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