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be quiet! Pure Power 12 550W vs Super Flower Leadex VII XG 850W: Comparison
What is the difference between be quiet! Pure Power 12 550W and Super Flower Leadex VII XG 850W?
Start with wattage, because it is the widest measured gap between them: be quiet! Pure Power 12 550W 550 W against Super Flower Leadex VII XG 850W 850 W, 35% in favour of Super Flower Leadex VII XG 850W. Add warranty to that, 10 years on the be quiet! Pure Power 12 550W versus 12 years on the Super Flower Leadex VII XG 850W, and the pattern holds. Super Flower Leadex VII XG 850W also leads on hold-up time, 16.6 ms on the be quiet! Pure Power 12 550W versus 29.8 ms on the Super Flower Leadex VII XG 850W. Pcie 8-pin connectors runs the same way, 2 on the be quiet! Pure Power 12 550W versus 3 on the Super Flower Leadex VII XG 850W, another win for Super Flower Leadex VII XG 850W.
Which should you buy, be quiet! Pure Power 12 550W or Super Flower Leadex VII XG 850W?
The be quiet! Pure Power 12 550W suits 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 Super Flower Leadex VII XG 850W is the one to take for enthusiasts who research PSU platform quality closely and RTX 4080-class builds wanting native ATX 3.0, though it is the wrong buy for buyers who only shop by brand recognition and Multi-GPU workstation loads above 850W.
be quiet! Pure Power 12 550W vs Super Flower Leadex VII XG 850W price
The Super Flower Leadex VII XG 850W asks 100% more, $150 against $74.99 for the be quiet! Pure Power 12 550W.
Frequently asked questions
Do the be quiet! Pure Power 12 550W and Super Flower Leadex VII XG 850W differ on modularity?
Yes. Modularity reads Non-Modular on the be quiet! Pure Power 12 550W versus Fully Modular on the Super Flower Leadex VII XG 850W.
Is the 80 PLUS Rating the same on the be quiet! Pure Power 12 550W and Super Flower Leadex VII XG 850W?
It is. Both are listed at Gold, so it is not a reason to pick one over the other.
Which is cheaper, be quiet! Pure Power 12 550W or Super Flower Leadex VII XG 850W?
The Super Flower Leadex VII XG 850W asks 100% more, $150 against $74.99 for the be quiet! Pure Power 12 550W.
Specs and benchmarks
Brand
- be quiet! Pure Power 12 550W
- be quiet!
- Super Flower Leadex VII XG 850W
- Super Flower
Wattage
- be quiet! Pure Power 12 550W
- 550 W-35%
- Super Flower Leadex VII XG 850W
- 850 WBest
80 PLUS Rating
- be quiet! Pure Power 12 550W
- Gold
- Super Flower Leadex VII XG 850W
- Gold
Model Number
- be quiet! Pure Power 12 550W
- Pure Power 12 550W
- Super Flower Leadex VII XG 850W
- Leadex VII XG 850W
ATX Standard
- be quiet! Pure Power 12 550W
- ATX 3.1
- Super Flower Leadex VII XG 850W
- ATX 3.1
Form Factor
- be quiet! Pure Power 12 550W
- ATX
- Super Flower Leadex VII XG 850W
- ATX
+12V Rail Amperage
- be quiet! Pure Power 12 550W
- 45.8 A
- Super Flower Leadex VII XG 850W
- 70.8 A
Single +12V Rail
- be quiet! Pure Power 12 550W
- Yes
- Super Flower Leadex VII XG 850W
- Yes
12V-2x6 Connectors
- be quiet! Pure Power 12 550W
- 1
- Super Flower Leadex VII XG 850W
- 1
Hold-Up Time
- be quiet! Pure Power 12 550W
- 16.6 ms-44%
- Super Flower Leadex VII XG 850W
- 29.8 ms
Zero-RPM Mode
- be quiet! Pure Power 12 550W
- No
- Super Flower Leadex VII XG 850W
- Yes
Sleeved Cables
- be quiet! Pure Power 12 550W
- Yes
- Super Flower Leadex VII XG 850W
- No
PCIe 8-pin Connectors
- be quiet! Pure Power 12 550W
- 2-33%
- Super Flower Leadex VII XG 850W
- 3
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)
- Super Flower Leadex VII XG 850W
- 1x 24-pin ATX, 2x 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
- Super Flower Leadex VII XG 850W
- 140 mm
Fan Model / Bearing
- be quiet! Pure Power 12 550W
- 120mm be quiet! fan, rifle bearing
- Super Flower Leadex VII XG 850W
- 140mm fluid dynamic bearing
OEM / Platform
- be quiet! Pure Power 12 550W
- HEC
- Super Flower Leadex VII XG 850W
- In-house
EPS 8-pin Connectors
- be quiet! Pure Power 12 550W
- 1
- Super Flower Leadex VII XG 850W
- 2
SATA Connectors
- be quiet! Pure Power 12 550W
- 5
- Super Flower Leadex VII XG 850W
- 12
Molex Connectors
- be quiet! Pure Power 12 550W
- 1
- Super Flower Leadex VII XG 850W
- 4
Cable Lengths
- be quiet! Pure Power 12 550W
- 24-pin 600mm, max cable length 550mm
- Super Flower Leadex VII XG 850W
- 24-pin 600mm, EPS 700mm, PCIe 700mm, 12V-2x6 700mm, SATA 550+120+120+120mm, Molex 550+150+150+150mm
Length
- be quiet! Pure Power 12 550W
- 160 mm
- Super Flower Leadex VII XG 850W
- 150 mm
Colour
- be quiet! Pure Power 12 550W
- Black
- Super Flower Leadex VII XG 850W
- Black
Fan Bearing
- be quiet! Pure Power 12 550W
- Rifle
- Super Flower Leadex VII XG 850W
- Fluid Dynamic
MTBF
- be quiet! Pure Power 12 550W
- 100000 hours
- Super Flower Leadex VII XG 850W
- 100000 hours
Modularity
- be quiet! Pure Power 12 550W
- Non-Modular
- Super Flower Leadex VII XG 850W
- Fully Modular
Protections
- be quiet! Pure Power 12 550W
- OTP, OCP, OPP, SCP, OVP, UVP, SIP
- Super Flower Leadex VII XG 850W
- OCP, OVP, OPP, SCP, OTP, UVP
Price
- be quiet! Pure Power 12 550W
- 74.99 USD
- Super Flower Leadex VII XG 850W
- 149.99 USD
Warranty
- be quiet! Pure Power 12 550W
- 10 years-17%
- Super Flower Leadex VII XG 850W
- 12 yearsBest
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 MTBF (100000 hours vs 100000 hours).
Choose Super Flower Leadex VII XG 850W if you want the higher wattage (850 W vs 550 W), the higher Hold-Up time (29.8 ms vs 16.6 ms) and the higher PCIe 8-pin connectors (3 vs 2).
Price comparison
| Retailer | be quiet! Pure Power 12 550W | Super Flower Leadex VII XG 850W |
|---|---|---|
| Amazon | $74.99 View on Amazon | $149.99 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.
Super Flower Leadex VII XG 850W
8.7 / 10 Expert Rating
A Gold-badged unit that tests like a Platinum one, backed by a 12-year warranty and full Japanese capacitors, our pick for enthusiasts who read the fine print.