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be quiet! Pure Power 12 550W vs Montech Century II 850W: Comparison
What is the difference between be quiet! Pure Power 12 550W and Montech Century II 850W?
Start with wattage, because it is the widest measured gap between them: be quiet! Pure Power 12 550W 550 W against Montech Century II 850W 850 W, 35% in favour of Montech Century II 850W. Montech Century II 850W also leads on pcie 8-pin connectors, 2 on the be quiet! Pure Power 12 550W versus 4 on the Montech Century II 850W.
Who each one is for
The be quiet! Pure Power 12 550W is the one to take for Quiet mainstream gaming builds and RTX 4060/RX 7600-class GPUs, though it is not built for anyone wanting fully modular cables and high-end or multi-GPU builds. 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. It is the wrong buy 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. Our rating of the be quiet! Pure Power 12 550W (7.8/10): A quiet, Gold-rated 550W unit that's the right call for mainstream builds that don't need full modularity.
be quiet! Pure Power 12 550W vs Montech Century II 850W price
At the last price check the be quiet! Pure Power 12 550W was $74.99 and the Montech Century II 850W $89.90, a 20% premium.
Frequently asked questions
Do the be quiet! Pure Power 12 550W and Montech Century II 850W differ on fan size?
Yes. Fan Size reads 120 mm on the be quiet! Pure Power 12 550W versus 135 mm on the Montech Century II 850W.
Is the Warranty the same on the be quiet! Pure Power 12 550W and Montech Century II 850W?
It is. Both are listed at 10 years, so it is not a reason to pick one over the other.
Specs and benchmarks
Brand
- be quiet! Pure Power 12 550W
- be quiet!
- Montech Century II 850W
- Montech
Wattage
- be quiet! Pure Power 12 550W
- 550 W-35%
- Montech Century II 850W
- 850 WBest
80 PLUS Rating
- be quiet! Pure Power 12 550W
- Gold
- Montech Century II 850W
- Gold
Model Number
- be quiet! Pure Power 12 550W
- Pure Power 12 550W
- Montech Century II 850W
- Century II 850W
ATX Standard
- be quiet! Pure Power 12 550W
- ATX 3.1
- Montech Century II 850W
- ATX 3.1
Form Factor
- be quiet! Pure Power 12 550W
- ATX
- Montech Century II 850W
- ATX
+12V Rail Amperage
- be quiet! Pure Power 12 550W
- 45.8 A
- Montech Century II 850W
- 70.8 A
PCIe CEM Standard
- be quiet! Pure Power 12 550W
- PCIe 5.1
- Montech Century II 850W
- PCIe 5.1
12V-2x6 Connectors
- be quiet! Pure Power 12 550W
- 1
- Montech Century II 850W
- 1
Zero-RPM Mode
- be quiet! Pure Power 12 550W
- No
- Montech Century II 850W
- Yes
Sleeved Cables
- be quiet! Pure Power 12 550W
- Yes
- Montech Century II 850W
- No
PCIe 8-pin Connectors
- be quiet! Pure Power 12 550W
- 2-50%
- Montech Century II 850W
- 4
Connector Count
- be quiet! Pure Power 12 550W
- 1x 24-pin ATX, 1x EPS 4+4, 1x 12V-2x6, 2x PCIe 6+2-pin, 5x SATA, 1x Molex (all fixed)
- 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! Pure Power 12 550W
- 120 mm
- Montech Century II 850W
- 135 mm
Fan Model / Bearing
- be quiet! Pure Power 12 550W
- 120mm be quiet! fan, rifle bearing
- Montech Century II 850W
- 135mm fluid dynamic bearing
EPS 8-pin Connectors
- be quiet! Pure Power 12 550W
- 1
- Montech Century II 850W
- 2
SATA Connectors
- be quiet! Pure Power 12 550W
- 5
- Montech Century II 850W
- 8
Molex Connectors
- be quiet! Pure Power 12 550W
- 1
- Montech Century II 850W
- 4
Length
- be quiet! Pure Power 12 550W
- 160 mm
- Montech Century II 850W
- 140 mm
Fan Bearing
- be quiet! Pure Power 12 550W
- Rifle
- Montech Century II 850W
- Fluid Dynamic
Modularity
- be quiet! Pure Power 12 550W
- Non-Modular
- Montech Century II 850W
- Fully Modular
Protections
- be quiet! Pure Power 12 550W
- OTP, OCP, OPP, SCP, OVP, UVP, SIP
- Montech Century II 850W
- OCP, OVP, OPP, SCP, OTP, UVP
Price
- be quiet! Pure Power 12 550W
- 74.99 USD
- Montech Century II 850W
- 89.9 USD
Warranty
- be quiet! Pure Power 12 550W
- 10 years
- Montech Century II 850W
- 10 years
Which one should you pick?
Choose be quiet! Pure Power 12 550W if you want the higher 12V-2x6 connectors (1 vs 1) and the higher warranty (10 years vs 10 years).
Choose Montech Century II 850W if you want the higher wattage (850 W vs 550 W) and the higher PCIe 8-pin connectors (4 vs 2).
Price comparison
| Retailer | be quiet! Pure Power 12 550W | Montech Century II 850W |
|---|---|---|
| Amazon | $74.99 View on 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.
Verdict
be quiet! Pure Power 12 550W
7.8 / 10 Expert Rating
A quiet, Gold-rated 550W unit that's the right call for mainstream builds that don't need full modularity.