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be quiet! Pure Power 12 550W vs NZXT E850: Comparison
What is the difference between be quiet! Pure Power 12 550W and NZXT E850?
Wattage is where these two genuinely part company, be quiet! Pure Power 12 550W 550 W against NZXT E850 850 W, a 35% lead for NZXT E850. NZXT E850 also leads on pcie 8-pin connectors, 2 on the be quiet! Pure Power 12 550W versus 6 on the NZXT E850. They differ on eps 8-pin connectors too, 1 on the be quiet! Pure Power 12 550W versus 2 on the NZXT E850.
be quiet! Pure Power 12 550W vs NZXT E850: which one fits your build
Buy the be quiet! Pure Power 12 550W for Quiet mainstream gaming builds and RTX 4060/RX 7600-class GPUs, though it is not the pick for anyone wanting fully modular cables and high-end or multi-GPU builds. The NZXT E850 suits NZXT CAM ecosystem builds and high-end single-GPU rigs wanting live power telemetry, though it is not built for anyone not using NZXT CAM software and extreme multi-GPU workstation loads above 850W. 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 E850 (8.5/10): A Seasonic-grade platform with genuinely useful CAM telemetry, worth the premium for NZXT ecosystem builds.
be quiet! Pure Power 12 550W vs NZXT E850 price
Cost splits them too. be quiet! Pure Power 12 550W sits at $74.99, NZXT E850 at $190, 153% more.
What be quiet! Pure Power 12 550W and NZXT E850 have in common
The common ground is wider than the gap: fan size, warranty, 80 plus rating, form factor and colour are identical here. They match on 1 further specification as well.
Frequently asked questions
Do the be quiet! Pure Power 12 550W and NZXT E850 differ on atx standard?
Yes. ATX Standard reads ATX 3.1 on the be quiet! Pure Power 12 550W versus ATX 2.x on the NZXT E850.
Is the MTBF the same on the be quiet! Pure Power 12 550W and NZXT E850?
It is. Both are listed at 100000 hours, so it is not a reason to pick one over the other.
Specs and benchmarks
Brand
- be quiet! Pure Power 12 550W
- be quiet!
- NZXT E850
- NZXT
Wattage
- be quiet! Pure Power 12 550W
- 550 W-35%
- NZXT E850
- 850 WBest
80 PLUS Rating
- be quiet! Pure Power 12 550W
- Gold
- NZXT E850
- Gold
Model Number
- be quiet! Pure Power 12 550W
- Pure Power 12 550W
- NZXT E850
- E850
ATX Standard
- be quiet! Pure Power 12 550W
- ATX 3.1
- NZXT E850
- ATX 2.x
Form Factor
- be quiet! Pure Power 12 550W
- ATX
- NZXT E850
- ATX
12V-2x6 Connectors
- be quiet! Pure Power 12 550W
- 1
- NZXT E850
- 0
PCIe 8-pin Connectors
- be quiet! Pure Power 12 550W
- 2-67%
- NZXT E850
- 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)
- NZXT E850
- 1x 24-pin ATX, 2x EPS 4+4, 6x PCIe 6+2-pin, 8x SATA, 6x Molex, 1x Mini-USB
Fan Size
- be quiet! Pure Power 12 550W
- 120 mm
- NZXT E850
- 120 mm
Fan Model / Bearing
- be quiet! Pure Power 12 550W
- 120mm be quiet! fan, rifle bearing
- NZXT E850
- 120mm fluid dynamic bearing
OEM / Platform
- be quiet! Pure Power 12 550W
- HEC
- NZXT E850
- Seasonic
EPS 8-pin Connectors
- be quiet! Pure Power 12 550W
- 1
- NZXT E850
- 2
SATA Connectors
- be quiet! Pure Power 12 550W
- 5
- NZXT E850
- 8
Molex Connectors
- be quiet! Pure Power 12 550W
- 1
- NZXT E850
- 6
Cable Lengths
- be quiet! Pure Power 12 550W
- 24-pin 600mm, max cable length 550mm
- NZXT E850
- 24-pin 610mm, EPS 650mm, PCIe 610mm, SATA 700mm
Length
- be quiet! Pure Power 12 550W
- 160 mm
- NZXT E850
- 150 mm
Colour
- be quiet! Pure Power 12 550W
- Black
- NZXT E850
- Black
Fan Bearing
- be quiet! Pure Power 12 550W
- Rifle
- NZXT E850
- Fluid Dynamic
MTBF
- be quiet! Pure Power 12 550W
- 100000 hours
- NZXT E850
- 100000 hours
Modularity
- be quiet! Pure Power 12 550W
- Non-Modular
- NZXT E850
- Fully Modular
Protections
- be quiet! Pure Power 12 550W
- OTP, OCP, OPP, SCP, OVP, UVP, SIP
- NZXT E850
- OCP, OVP, OPP, SCP, OTP, UVP
Price
- be quiet! Pure Power 12 550W
- 74.99 USD
- NZXT E850
- 189.99 USD
Warranty
- be quiet! Pure Power 12 550W
- 10 years
- NZXT E850
- 10 years
Which one should you pick?
Choose be quiet! Pure Power 12 550W if you want the higher MTBF (100000 hours vs 100000 hours) and the higher warranty (10 years vs 10 years).
Choose NZXT E850 if you want the higher wattage (850 W vs 550 W) and the higher PCIe 8-pin connectors (6 vs 2).
Price comparison
| Retailer | be quiet! Pure Power 12 550W | NZXT E850 |
|---|---|---|
| Amazon | $74.99 View on Amazon | $189.99 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.
NZXT E850
8.5 / 10 Expert Rating
A Seasonic-grade platform with genuinely useful CAM telemetry, worth the premium for NZXT ecosystem builds.