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be quiet! Pure Power 12 550W vs EVGA SuperNOVA 850 G6: Comparison
What is the difference between be quiet! Pure Power 12 550W and EVGA SuperNOVA 850 G6?
Wattage is where these two genuinely part company, be quiet! Pure Power 12 550W 550 W against EVGA SuperNOVA 850 G6 850 W, a 35% lead for EVGA SuperNOVA 850 G6. Pcie 8-pin connectors runs the same way, 2 on the be quiet! Pure Power 12 550W versus 6 on the EVGA SuperNOVA 850 G6, another win for EVGA SuperNOVA 850 G6. Add hold-up time to that, 16.6 ms on the be quiet! Pure Power 12 550W versus 25.5 ms on the EVGA SuperNOVA 850 G6, and the pattern holds.
Which should you buy, be quiet! Pure Power 12 550W or EVGA SuperNOVA 850 G6?
Buy the be quiet! Pure Power 12 550W 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 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 is equally the pick for ITX-adjacent or space-constrained builds needing a shorter PSU. The compact form factor is a genuine practical advantage here. It is the wrong buy 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! Pure Power 12 550W and EVGA SuperNOVA 850 G6 differ on modularity?
Yes. Modularity reads Non-Modular on the be quiet! Pure Power 12 550W versus Fully Modular on the EVGA SuperNOVA 850 G6.
Is the 80 PLUS Rating the same on the be quiet! Pure Power 12 550W and EVGA SuperNOVA 850 G6?
It is. Both are listed at Gold, so it is not a reason to pick one over the other.
Specs and benchmarks
Brand
- be quiet! Pure Power 12 550W
- be quiet!
- EVGA SuperNOVA 850 G6
- EVGA
Wattage
- be quiet! Pure Power 12 550W
- 550 W-35%
- EVGA SuperNOVA 850 G6
- 850 WBest
80 PLUS Rating
- be quiet! Pure Power 12 550W
- Gold
- EVGA SuperNOVA 850 G6
- Gold
Model Number
- be quiet! Pure Power 12 550W
- Pure Power 12 550W
- EVGA SuperNOVA 850 G6
- SuperNOVA 850 G6
ATX Standard
- be quiet! Pure Power 12 550W
- ATX 3.1
- EVGA SuperNOVA 850 G6
- ATX 2.x
Form Factor
- be quiet! Pure Power 12 550W
- ATX
- EVGA SuperNOVA 850 G6
- ATX
+12V Rail Amperage
- be quiet! Pure Power 12 550W
- 45.8 A
- EVGA SuperNOVA 850 G6
- 70.8 A
Single +12V Rail
- be quiet! Pure Power 12 550W
- Yes
- EVGA SuperNOVA 850 G6
- Yes
12V-2x6 Connectors
- be quiet! Pure Power 12 550W
- 1
- EVGA SuperNOVA 850 G6
- 0
Hold-Up Time
- be quiet! Pure Power 12 550W
- 16.6 ms-35%
- EVGA SuperNOVA 850 G6
- 25.5 ms
Zero-RPM Mode
- be quiet! Pure Power 12 550W
- No
- EVGA SuperNOVA 850 G6
- Yes
Sleeved Cables
- be quiet! Pure Power 12 550W
- Yes
- EVGA SuperNOVA 850 G6
- No
PCIe 8-pin Connectors
- be quiet! Pure Power 12 550W
- 2-67%
- EVGA SuperNOVA 850 G6
- 6
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)
- 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! Pure Power 12 550W
- 120 mm
- EVGA SuperNOVA 850 G6
- 135 mm
Fan Model / Bearing
- be quiet! Pure Power 12 550W
- 120mm be quiet! fan, rifle bearing
- EVGA SuperNOVA 850 G6
- 135mm fluid dynamic bearing (Hong Hua HA13525M12F-Z)
OEM / Platform
- be quiet! Pure Power 12 550W
- HEC
- EVGA SuperNOVA 850 G6
- Seasonic
EPS 8-pin Connectors
- be quiet! Pure Power 12 550W
- 1
- EVGA SuperNOVA 850 G6
- 2
SATA Connectors
- be quiet! Pure Power 12 550W
- 5
- EVGA SuperNOVA 850 G6
- 9
Molex Connectors
- be quiet! Pure Power 12 550W
- 1
- EVGA SuperNOVA 850 G6
- 4
Cable Lengths
- be quiet! Pure Power 12 550W
- 24-pin 600mm, max cable length 550mm
- EVGA SuperNOVA 850 G6
- 24-pin 610mm, EPS 700mm, PCIe 700mm+125mm, SATA 560mm+110mm+110mm, Molex 560mm+100mm+100mm+100mm
Length
- be quiet! Pure Power 12 550W
- 160 mm
- EVGA SuperNOVA 850 G6
- 140 mm
Fan Bearing
- be quiet! Pure Power 12 550W
- Rifle
- EVGA SuperNOVA 850 G6
- Fluid Dynamic
Modularity
- be quiet! Pure Power 12 550W
- Non-Modular
- EVGA SuperNOVA 850 G6
- Fully Modular
Protections
- be quiet! Pure Power 12 550W
- OTP, OCP, OPP, SCP, OVP, UVP, SIP
- EVGA SuperNOVA 850 G6
- OCP, OVP, OPP, SCP, OTP, UVP
Warranty
- be quiet! Pure Power 12 550W
- 10 years
- EVGA SuperNOVA 850 G6
- 10 years
Which one should you pick?
Choose be quiet! Pure Power 12 550W if you want the higher warranty (10 years vs 10 years).
Choose EVGA SuperNOVA 850 G6 if you want the higher wattage (850 W vs 550 W), the higher Hold-Up time (25.5 ms vs 16.6 ms) and the higher PCIe 8-pin connectors (6 vs 2).
Price comparison
| Retailer | be quiet! Pure Power 12 550W | EVGA SuperNOVA 850 G6 |
|---|---|---|
| Amazon | $74.99 View on Amazon | View on Amazon |
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.