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be quiet! Straight Power 12 vs Montech Century II 850W: Comparison
What is the difference between be quiet! Straight Power 12 and Montech Century II 850W?
Start with wattage, because it is the widest measured gap between them: be quiet! Straight Power 12 1000 W against Montech Century II 850W 850 W, 15% in favour of be quiet! Straight Power 12.
be quiet! Straight Power 12 vs Montech Century II 850W: which one fits your build
Take the be quiet! Straight Power 12 for buyers who want both genuine Platinum efficiency and be quiet!'s established acoustic engineering in one flagship unit. This is exactly the dual positioning current guides give this line. It also earns its place with Quiet-focused builds where both efficiency and noise matter equally. A coherent single choice rather than trading one priority against the other. It is not the one for the tightest PSU budgets. be quiet!'s own Pure Power 12 or Power Zone 2, both covered elsewhere on this site, deliver strong performance at more accessible price points. Take the Montech Century II 850W for the most budget-conscious builders who still want genuine 850W Gold-rated, fully modular specs. This is specifically flagged as unusual value in the current market. It is equally the pick for anyone comparing a similarly-priced 750W and 850W unit. Current guidance specifically recommends taking the extra headroom here when the price gap is this small. Avoid it for buyers who weigh long brand history heavily in a PSU purchase. Seasonic or Corsair, both covered elsewhere on this site, carry longer established track records for buyers who prioritize that specifically.
be quiet! Straight Power 12 vs Montech Century II 850W price
At the last price check the Montech Century II 850W was $89.90 and the be quiet! Straight Power 12 $220, a 145% premium.
Frequently asked questions
Do the be quiet! Straight Power 12 and Montech Century II 850W differ on 80 plus rating?
Yes. 80 PLUS Rating reads Platinum on the be quiet! Straight Power 12 versus Gold on the Montech Century II 850W.
Is the Modularity the same on the be quiet! Straight Power 12 and Montech Century II 850W?
It is. Both are listed at Fully Modular, so it is not a reason to pick one over the other.
Specs and benchmarks
Brand
- be quiet! Straight Power 12
- be quiet!
- Montech Century II 850W
- Montech
Wattage
- be quiet! Straight Power 12
- 1000 WBest
- Montech Century II 850W
- 850 W-15%
80 PLUS Rating
- be quiet! Straight Power 12
- Platinum
- Montech Century II 850W
- Gold
Model Number
- be quiet! Straight Power 12
- Straight Power 12 1000W
- Montech Century II 850W
- Century II 850W
ATX Standard
- be quiet! Straight Power 12
- ATX 3.1
- Montech Century II 850W
- ATX 3.1
Form Factor
- be quiet! Straight Power 12
- ATX
- Montech Century II 850W
- ATX
Cybenetics Efficiency
- be quiet! Straight Power 12
- Platinum
- Montech Century II 850W
- Platinum
12V-2x6 Connectors
- be quiet! Straight Power 12
- 1
- Montech Century II 850W
- 1
Zero-RPM Mode
- be quiet! Straight Power 12
- No
- Montech Century II 850W
- Yes
Sleeved Cables
- be quiet! Straight Power 12
- Yes
- Montech Century II 850W
- No
PCIe 8-pin Connectors
- be quiet! Straight Power 12
- 4
- Montech Century II 850W
- 4
Connector Count
- be quiet! Straight Power 12
- 1x 12V-2x6, 4x PCIe 6+2-pin, 9x SATA, 1x EPS 4+4, 1x EPS 8-pin
- Montech Century II 850W
- 1x 24-pin ATX, 2x EPS 4+4-pin, 1x 12V-2x6, 4x PCIe 6+2-pin (2 cables), 8x SATA, 4x Molex
Fan Size
- be quiet! Straight Power 12
- 135 mm
- Montech Century II 850W
- 135 mm
Fan Model / Bearing
- be quiet! Straight Power 12
- Silent Wings 135mm fluid dynamic bearing, 6-pole motor
- Montech Century II 850W
- 135mm fluid dynamic bearing
Japanese Capacitors
- be quiet! Straight Power 12
- Yes
- Montech Century II 850W
- Yes
Length
- be quiet! Straight Power 12
- 160 mm
- Montech Century II 850W
- 140 mm
Topology
- be quiet! Straight Power 12
- Full-bridge LLC + synchronous rectification + DC-DC
- Montech Century II 850W
- Half-Bridge LLC + DC-DC
Modularity
- be quiet! Straight Power 12
- Fully Modular
- Montech Century II 850W
- Fully Modular
Protections
- be quiet! Straight Power 12
- OCP, OVP, OPP, SCP, OTP, UVP
- Montech Century II 850W
- OCP, OVP, OPP, SCP, OTP, UVP
Price
- be quiet! Straight Power 12
- 219.99 USD
- Montech Century II 850W
- 89.9 USD
Warranty
- be quiet! Straight Power 12
- 10 years
- Montech Century II 850W
- 10 years
Which one should you pick?
Choose be quiet! Straight Power 12 if you want the higher wattage (1000 W vs 850 W), the higher 12V-2x6 connectors (1 vs 1) and the higher PCIe 8-pin connectors (4 vs 4).
Choose Montech Century II 850W if you already have it on hand or find it at a lower price.
Price comparison
| Retailer | be quiet! Straight Power 12 | Montech Century II 850W |
|---|---|---|
| Consumercarts listing | $219.99 View on Consumercarts listing | |
| Amazon | $89.90 View on Amazon | |
| Newegg | View on Newegg |
Disclaimer: The price and specification of the given product may differ from the actual product. Please confirm on the retailer's website before buying.