Power supply · be quiet!
be quiet! Pure Power 12 M 850W
be quiet! Pure Power 12 M 850W provides 850 W in the ATX form factor with 80 PLUS Gold efficiency, 2 8-pin PCIe connectors and 1 native 12V-2x6 connector. It is 160 mm deep.
Best for
- Builds with a 300 W-class graphics card and room for a future upgrade
- Cost-sensitive builds
Main trade-offs
- 160 mm deep, which matters in compact chassis
- Acoustic index 21 on the Rigwise preview scale
Lowest sample total
$147
Across 2 demo retailer offers including shipping. 2% below the sample-window median.
- Offers
- 2
- Updated
- Aug 12, 2026
1 in stock
Data version lquy6dkw0qq7
Retailer offers
Retailer offers
Ranked by delivered total, stock and data freshness. Commission never affects this order.
| Retailer | Price | Shipping | Total | Availability | Open retailer |
|---|---|---|---|---|---|
| BitForge SupplyBest totalAffiliate partnerSample feed14-day returns · observed 4 d ago | $141.99 | $4.99 | $146.98 | In stock | Go to store |
| Nordic PartsAffiliate partnerSample feed30-day returns · observed 4 d ago | $146.99 | Free | $146.99 | Low stock | Go to store |
Sample data — illustrative fixture prices from a demo feed, not live retailer quotes. We are not the seller and take no payment. How offers are verified.
Price history
Lowest observed sample total per observation date, 9 points.
- Lowest
- $141
- Highest
- $156
- Median
- $150
- Current best
- $147
Dashed line marks the median of the sample window. All values are illustrative fixture data.
Normalized specifications
Canonical values after unit normalization. Fields used by the compatibility engine are marked.
- Continuous powercompat
- 850 W
- Form factorcompat
- ATX
- Efficiency
- 80 PLUS Gold
- Cabling
- Fully modular
- 8-pin PCIe connectorscompat
- 2
- 12V-2x6 connectorscompat
- 1
- 12V-2x6 adapter in box
- No
- Depth
- 160 mm
- Zero-RPM fan mode
- No
- Acoustic index (lower is quieter)
- 21
Compatibility
Every pairing below was evaluated by the same rule engine the builder uses.
Case
19 of 20 compatibleWorks with ASUS Prime AP201, Corsair 4000D Airflow, Corsair 5000D Airflow and 16 more.
Cooler Master MasterBox NR200P accepts SFX power supplies, not ATX.
Graphics card
19 of 20 compatibleWorks with ASUS Dual GeForce RTX 4060 EVO OC 8GB, ASUS Prime GeForce RTX 5060 8GB OC, ASUS Prime GeForce RTX 5060 Ti 16GB OC and 16 more.
Sapphire Pulse Radeon RX 7900 XTX 24GB needs 3 × 8-pin PCIe. be quiet! Pure Power 12 M 850W provides 2.
Provenance
Every canonical value carries the source it came from, when it was retrieved and how confident we are.
| Field | Source | Retrieved | Confidence |
|---|---|---|---|
adapter12v2x6Included | Rigwise curated manufacturer catalog | Aug 12, 2026 | 95% |
adapter12v2x6Requires8Pin | Rigwise curated manufacturer catalog | Aug 12, 2026 | 95% |
depthMm | Rigwise curated manufacturer catalog | Aug 12, 2026 | 95% |
efficiencyRating | Rigwise curated manufacturer catalog | Aug 12, 2026 | 95% |
formFactor | Rigwise curated manufacturer catalog | Aug 12, 2026 | 95% |
modularity | Rigwise curated manufacturer catalog | Aug 12, 2026 | 95% |
noiseIndex | Rigwise curated manufacturer catalog | Aug 12, 2026 | 95% |
pcie12v2x6Connectors | Rigwise curated manufacturer catalog | Aug 12, 2026 | 95% |
pcie8PinConnectors | Rigwise curated manufacturer catalog | Aug 12, 2026 | 95% |
wattage | Rigwise curated manufacturer catalog | Aug 12, 2026 | 95% |
zeroRpmMode | Rigwise curated manufacturer catalog | Aug 12, 2026 | 95% |
Catalog preview
be quiet! Pure Power 12 M 850W is a real product identity with curated compatibility specifications. Sample prices, availability, performance values and acoustic indexes are included to exercise the decision system and are not live or measured evidence.