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be quiet! Power Zone 2 850W vs EVGA SuperNOVA 850 G6: Comparison
What is the difference between be quiet! Power Zone 2 850W and EVGA SuperNOVA 850 G6?
Fan size is the dividing line, be quiet! Power Zone 2 850W 140 mm against EVGA SuperNOVA 850 G6 135 mm. Add pcie 8-pin connectors to that, 3 on the be quiet! Power Zone 2 850W versus 6 on the EVGA SuperNOVA 850 G6, and the pattern holds.
Which should you buy, be quiet! Power Zone 2 850W or EVGA SuperNOVA 850 G6?
Take the be quiet! Power Zone 2 850W for buyers who specifically prioritize measured, independently-verified quiet operation. The Cybenetics A+ rating here is uniquely strong at this wattage tier. The same goes for home theater PCs or quiet-room builds where any fan noise is noticeable. This unit is specifically engineered to minimize that concern. It is the wrong buy for the tightest possible 850W budget. The Montech Century II, covered elsewhere on this site, delivers solid Gold-rated performance at a meaningfully lower price for buyers who don't need the acoustic advantage. Take the EVGA SuperNOVA 850 G6 for budget-conscious high-end gaming builds pairing an RTX 4070 Ti or below. This is specifically the most affordable path to 850W Gold fully modular specs among current top recommendations. It also earns its place with ITX-adjacent or space-constrained builds needing a shorter PSU. The compact form factor is a genuine practical advantage here. It is not the one for builders planning to keep a system for seven-plus years without upgrades. The Corsair RM850x or Seasonic Prime GX-850, both covered elsewhere on this site, carry stronger long-term warranty confidence from more consistently active brands.
Frequently asked questions
Do the be quiet! Power Zone 2 850W and EVGA SuperNOVA 850 G6 differ on hold-up time?
Yes. Hold-Up Time reads 21.1 ms on the be quiet! Power Zone 2 850W versus 25.5 ms on the EVGA SuperNOVA 850 G6.
Is the Modularity the same on the be quiet! Power Zone 2 850W and EVGA SuperNOVA 850 G6?
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! Power Zone 2 850W
- be quiet!
- EVGA SuperNOVA 850 G6
- EVGA
Wattage
- be quiet! Power Zone 2 850W
- 850 W
- EVGA SuperNOVA 850 G6
- 850 W
80 PLUS Rating
- be quiet! Power Zone 2 850W
- Platinum
- EVGA SuperNOVA 850 G6
- Gold
Model Number
- be quiet! Power Zone 2 850W
- Power Zone 2 850W
- EVGA SuperNOVA 850 G6
- SuperNOVA 850 G6
ATX Standard
- be quiet! Power Zone 2 850W
- ATX 3.1
- EVGA SuperNOVA 850 G6
- ATX 2.x
Form Factor
- be quiet! Power Zone 2 850W
- ATX
- EVGA SuperNOVA 850 G6
- ATX
+12V Rail Amperage
- be quiet! Power Zone 2 850W
- 70.8 A
- EVGA SuperNOVA 850 G6
- 70.8 A
Single +12V Rail
- be quiet! Power Zone 2 850W
- Yes
- EVGA SuperNOVA 850 G6
- Yes
Cybenetics Efficiency
- be quiet! Power Zone 2 850W
- Platinum
- EVGA SuperNOVA 850 G6
- Gold
Cybenetics Noise
- be quiet! Power Zone 2 850W
- A+
- EVGA SuperNOVA 850 G6
- A-
12V-2x6 Connectors
- be quiet! Power Zone 2 850W
- 1
- EVGA SuperNOVA 850 G6
- 0
Hold-Up Time
- be quiet! Power Zone 2 850W
- 21.1 ms-17%
- EVGA SuperNOVA 850 G6
- 25.5 ms
Zero-RPM Mode
- be quiet! Power Zone 2 850W
- Yes
- EVGA SuperNOVA 850 G6
- Yes
Sleeved Cables
- be quiet! Power Zone 2 850W
- Yes
- EVGA SuperNOVA 850 G6
- No
Measured Avg Efficiency
- be quiet! Power Zone 2 850W
- 90.4 %Best
- EVGA SuperNOVA 850 G6
- 88.44 %
PCIe 8-pin Connectors
- be quiet! Power Zone 2 850W
- 3-50%
- EVGA SuperNOVA 850 G6
- 6
Measured Average Noise
- be quiet! Power Zone 2 850W
- 19.84 dBABest
- EVGA SuperNOVA 850 G6
- 26.99 dBA
Connector Count
- be quiet! Power Zone 2 850W
- 1x 24-pin ATX, 1x EPS 4+4, 1x EPS 8-pin, 1x P4, 1x 12V-2x6 (600W), 3x PCIe 6+2-pin, 7x SATA, 1x Molex
- EVGA SuperNOVA 850 G6
- 1x 24-pin ATX, 2x EPS 4+4, 6x PCIe 6+2-pin, 9x SATA, 4x Molex, 1x floppy adapter, no native 12V-2x6
Fan Size
- be quiet! Power Zone 2 850W
- 140 mm
- EVGA SuperNOVA 850 G6
- 135 mm
Fan Model / Bearing
- be quiet! Power Zone 2 850W
- Pure Wings 3 140mm (BQ PUW3-14025-HR), rifle bearing
- EVGA SuperNOVA 850 G6
- 135mm fluid dynamic bearing (Hong Hua HA13525M12F-Z)
OEM / Platform
- be quiet! Power Zone 2 850W
- FSP
- EVGA SuperNOVA 850 G6
- Seasonic
EPS 8-pin Connectors
- be quiet! Power Zone 2 850W
- 2
- EVGA SuperNOVA 850 G6
- 2
SATA Connectors
- be quiet! Power Zone 2 850W
- 7
- EVGA SuperNOVA 850 G6
- 9
Molex Connectors
- be quiet! Power Zone 2 850W
- 1
- EVGA SuperNOVA 850 G6
- 4
Cable Lengths
- be quiet! Power Zone 2 850W
- ATX 590mm, EPS 700mm, PCIe 600mm, 12V-2x6 600mm, SATA 550+150+150+155mm and 500+150+150mm
- EVGA SuperNOVA 850 G6
- 24-pin 610mm, EPS 700mm, PCIe 700mm+125mm, SATA 560mm+110mm+110mm, Molex 560mm+100mm+100mm+100mm
Length
- be quiet! Power Zone 2 850W
- 160 mm
- EVGA SuperNOVA 850 G6
- 140 mm
Fan Bearing
- be quiet! Power Zone 2 850W
- Rifle
- EVGA SuperNOVA 850 G6
- Fluid Dynamic
Modularity
- be quiet! Power Zone 2 850W
- Fully Modular
- EVGA SuperNOVA 850 G6
- Fully Modular
Protections
- be quiet! Power Zone 2 850W
- OTP, OCP, OPP, SCP, OVP, UVP, SIP
- EVGA SuperNOVA 850 G6
- OCP, OVP, OPP, SCP, OTP, UVP
Warranty
- be quiet! Power Zone 2 850W
- 10 years
- EVGA SuperNOVA 850 G6
- 10 years
Which one should you pick?
Choose be quiet! Power Zone 2 850W if you want the higher wattage (850 W vs 850 W) and the higher warranty (10 years vs 10 years).
Choose EVGA SuperNOVA 850 G6 if you want the higher Hold-Up time (25.5 ms vs 21.1 ms) and the higher PCIe 8-pin connectors (6 vs 3).
Price comparison
| Retailer | be quiet! Power Zone 2 850W | EVGA SuperNOVA 850 G6 |
|---|---|---|
| Amazon | $124.99 View on Amazon | 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.