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be quiet! Pure Power 12 550W vs NZXT C850 Gold: Comparison
What is the difference between be quiet! Pure Power 12 550W and NZXT C850 Gold?
On wattage the spread is 35%, be quiet! Pure Power 12 550W 550 W against NZXT C850 Gold 850 W, so NZXT C850 Gold takes it.
be quiet! Pure Power 12 550W vs NZXT C850 Gold: which one fits your build
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. The NZXT C850 Gold suits anyone who wants fully modular cabling with native 12V-2x6 support and systems where a 10-year warranty and Gold-tier efficiency matter, though it is not the pick for builds needing more than 850W of continuous headroom and buyers who need the smallest possible SFX/SFX-L footprint. It also earns its place with builders targeting a popular RTX 4070 Ti / RTX 5070-class gaming build. 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. Our rating of the NZXT C850 Gold (8.3/10): A solid 850W Gold-rated ATX unit for a popular RTX 4070 Ti / RTX 5070-class gaming build, held back only by the usual mid-tier compromises on cabling and OEM sourcing.
Which is cheaper, be quiet! Pure Power 12 550W or NZXT C850 Gold?
The NZXT C850 Gold asks 87% more, $140 against $74.99 for the be quiet! Pure Power 12 550W.
Where the two are identical
Everything else lines up. Warranty, 80 plus rating, atx standard, form factor and single +12v rail read the same on both, so those are not worth weighing. They match on 4 further specifications as well.
Frequently asked questions
Do the be quiet! Pure Power 12 550W and NZXT C850 Gold differ on fan size?
Yes. Fan Size reads 120 mm on the be quiet! Pure Power 12 550W versus 135 mm on the NZXT C850 Gold.
Is the 12V-2x6 Connectors the same on the be quiet! Pure Power 12 550W and NZXT C850 Gold?
It is. Both are listed at 1, so it is not a reason to pick one over the other.
Which is cheaper, be quiet! Pure Power 12 550W or NZXT C850 Gold?
The NZXT C850 Gold asks 87% more, $140 against $74.99 for the be quiet! Pure Power 12 550W.
Specs and benchmarks
Brand
- be quiet! Pure Power 12 550W
- be quiet!
- NZXT C850 Gold
- NZXT
Wattage
- be quiet! Pure Power 12 550W
- 550 W-35%
- NZXT C850 Gold
- 850 WBest
80 PLUS Rating
- be quiet! Pure Power 12 550W
- Gold
- NZXT C850 Gold
- Gold
Model Number
- be quiet! Pure Power 12 550W
- Pure Power 12 550W
- NZXT C850 Gold
- C850 Gold
ATX Standard
- be quiet! Pure Power 12 550W
- ATX 3.1
- NZXT C850 Gold
- ATX 3.1
Form Factor
- be quiet! Pure Power 12 550W
- ATX
- NZXT C850 Gold
- ATX
Single +12V Rail
- be quiet! Pure Power 12 550W
- Yes
- NZXT C850 Gold
- Yes
12V-2x6 Connectors
- be quiet! Pure Power 12 550W
- 1
- NZXT C850 Gold
- 1
Zero-RPM Mode
- be quiet! Pure Power 12 550W
- No
- NZXT C850 Gold
- Yes
Sleeved Cables
- be quiet! Pure Power 12 550W
- Yes
- NZXT C850 Gold
- Yes
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)
- NZXT C850 Gold
- 1x 24-pin ATX, 1x EPS 4+4, 1x 12V-2x6 (600W), 3x PCIe 6+2-pin, 12x SATA, 4x Molex
Fan Size
- be quiet! Pure Power 12 550W
- 120 mm
- NZXT C850 Gold
- 135 mm
Fan Model / Bearing
- be quiet! Pure Power 12 550W
- 120mm be quiet! fan, rifle bearing
- NZXT C850 Gold
- 135mm fluid dynamic bearing, semi-passive
OEM / Platform
- be quiet! Pure Power 12 550W
- HEC
- NZXT C850 Gold
- Seasonic
SATA Connectors
- be quiet! Pure Power 12 550W
- 5
- NZXT C850 Gold
- 12
Molex Connectors
- be quiet! Pure Power 12 550W
- 1
- NZXT C850 Gold
- 4
Cable Lengths
- be quiet! Pure Power 12 550W
- 24-pin 600mm, max cable length 550mm
- NZXT C850 Gold
- ATX 600mm, EPS 650mm, PCIe 600-750mm, SATA 500-900mm
Length
- be quiet! Pure Power 12 550W
- 160 mm
- NZXT C850 Gold
- 160 mm
Colour
- be quiet! Pure Power 12 550W
- Black
- NZXT C850 Gold
- White
MTBF
- be quiet! Pure Power 12 550W
- 100000 hours
- NZXT C850 Gold
- 100000 hours
Modularity
- be quiet! Pure Power 12 550W
- Non-Modular
- NZXT C850 Gold
- Fully Modular
Protections
- be quiet! Pure Power 12 550W
- OTP, OCP, OPP, SCP, OVP, UVP, SIP
- NZXT C850 Gold
- OCP, OVP, OPP, SCP, OTP, UVP
Price
- be quiet! Pure Power 12 550W
- 74.99 USD
- NZXT C850 Gold
- 139.99 USD
Warranty
- be quiet! Pure Power 12 550W
- 10 years
- NZXT C850 Gold
- 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), the higher MTBF (100000 hours vs 100000 hours) and the higher warranty (10 years vs 10 years).
Choose NZXT C850 Gold if you want the higher wattage (850 W vs 550 W).
Price comparison
| Retailer | be quiet! Pure Power 12 550W | NZXT C850 Gold |
|---|---|---|
| Amazon | $74.99 View on Amazon | |
| Consumercarts listing | $139.99 View on Consumercarts listing |
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.
NZXT C850 Gold
8.3 / 10 Expert Rating
A solid 850W Gold-rated ATX unit for a popular RTX 4070 Ti / RTX 5070-class gaming build, held back only by the usual mid-tier compromises on cabling and OEM sourcing.