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be quiet! Pure Power 12 550W vs Seasonic S12III 750 Bronze: Comparison
be quiet! Pure Power 12 550W vs Seasonic S12III 750 Bronze wattage compared
Wattage is where these two genuinely part company, be quiet! Pure Power 12 550W 550 W against Seasonic S12III 750 Bronze 750 W, a 27% lead for Seasonic S12III 750 Bronze. Warranty runs the same way, 10 years on the be quiet! Pure Power 12 550W versus 5 years on the Seasonic S12III 750 Bronze, another win for be quiet! Pure Power 12 550W.
Who each one is for
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 Seasonic S12III 750 Bronze suits budget builds that still want Seasonic build quality and buyers who don't mind fixed cables, though it is not built for small cases needing tight cable management and anyone wanting Gold-rated efficiency. It is equally the pick for mid-range GPUs like the RTX 4060 Ti or RX 7700 XT. 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.
be quiet! Pure Power 12 550W vs Seasonic S12III 750 Bronze price
Cost splits them too. Seasonic S12III 750 Bronze sits at $69.99, be quiet! Pure Power 12 550W at $74.99, 7% more.
What be quiet! Pure Power 12 550W and Seasonic S12III 750 Bronze have in common
Everything else lines up. Modularity, fan size, form factor, single +12v rail and zero-rpm mode read the same on both, so those are not worth weighing. They match on 3 further specifications as well.
Frequently asked questions
Do the be quiet! Pure Power 12 550W and Seasonic S12III 750 Bronze differ on 80 plus rating?
Yes. 80 PLUS Rating reads Gold on the be quiet! Pure Power 12 550W versus Bronze on the Seasonic S12III 750 Bronze.
Is the PCIe 8-pin Connectors the same on the be quiet! Pure Power 12 550W and Seasonic S12III 750 Bronze?
It is. Both are listed at 2, so it is not a reason to pick one over the other.
Specs and benchmarks
Brand
- be quiet! Pure Power 12 550W
- be quiet!
- Seasonic S12III 750 Bronze
- Seasonic
Wattage
- be quiet! Pure Power 12 550W
- 550 W-27%
- Seasonic S12III 750 Bronze
- 750 WBest
80 PLUS Rating
- be quiet! Pure Power 12 550W
- Gold
- Seasonic S12III 750 Bronze
- Bronze
Model Number
- be quiet! Pure Power 12 550W
- Pure Power 12 550W
- Seasonic S12III 750 Bronze
- S12III-750
ATX Standard
- be quiet! Pure Power 12 550W
- ATX 3.1
- Seasonic S12III 750 Bronze
- ATX 2.x
Form Factor
- be quiet! Pure Power 12 550W
- ATX
- Seasonic S12III 750 Bronze
- ATX
Single +12V Rail
- be quiet! Pure Power 12 550W
- Yes
- Seasonic S12III 750 Bronze
- Yes
12V-2x6 Connectors
- be quiet! Pure Power 12 550W
- 1
- Seasonic S12III 750 Bronze
- 0
Zero-RPM Mode
- be quiet! Pure Power 12 550W
- No
- Seasonic S12III 750 Bronze
- No
Sleeved Cables
- be quiet! Pure Power 12 550W
- Yes
- Seasonic S12III 750 Bronze
- No
PCIe 8-pin Connectors
- be quiet! Pure Power 12 550W
- 2
- Seasonic S12III 750 Bronze
- 2
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)
- Seasonic S12III 750 Bronze
- 1x 24-pin ATX, 1x EPS 4+4, 2x PCIe 6+2-pin, 6x SATA, 2x Molex (all fixed)
Fan Size
- be quiet! Pure Power 12 550W
- 120 mm
- Seasonic S12III 750 Bronze
- 120 mm
Fan Model / Bearing
- be quiet! Pure Power 12 550W
- 120mm be quiet! fan, rifle bearing
- Seasonic S12III 750 Bronze
- 120mm sleeve bearing
OEM / Platform
- be quiet! Pure Power 12 550W
- HEC
- Seasonic S12III 750 Bronze
- Seasonic in-house
Cable Lengths
- be quiet! Pure Power 12 550W
- 24-pin 600mm, max cable length 550mm
- Seasonic S12III 750 Bronze
- 24-pin 500mm, EPS 500mm, PCIe 450mm, SATA 500-650mm
Length
- be quiet! Pure Power 12 550W
- 160 mm
- Seasonic S12III 750 Bronze
- 140 mm
Colour
- be quiet! Pure Power 12 550W
- Black
- Seasonic S12III 750 Bronze
- Black
MTBF
- be quiet! Pure Power 12 550W
- 100000 hours
- Seasonic S12III 750 Bronze
- 100000 hours
Modularity
- be quiet! Pure Power 12 550W
- Non-Modular
- Seasonic S12III 750 Bronze
- Non-Modular
Protections
- be quiet! Pure Power 12 550W
- OTP, OCP, OPP, SCP, OVP, UVP, SIP
- Seasonic S12III 750 Bronze
- OCP, OVP, SCP, OTP
Price
- be quiet! Pure Power 12 550W
- 74.99 USD
- Seasonic S12III 750 Bronze
- 69.99 USD
Warranty
- be quiet! Pure Power 12 550W
- 10 yearsBest
- Seasonic S12III 750 Bronze
- 5 years-50%
Which one should you pick?
Choose be quiet! Pure Power 12 550W if you want the higher PCIe 8-pin connectors (2 vs 2), the higher MTBF (100000 hours vs 100000 hours) and the higher warranty (10 years vs 5 years).
Choose Seasonic S12III 750 Bronze if you want the higher wattage (750 W vs 550 W).
Price comparison
| Retailer | be quiet! Pure Power 12 550W | Seasonic S12III 750 Bronze |
|---|---|---|
| Amazon | $74.99 View on Amazon | |
| Consumercarts listing | $69.99 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.
Seasonic S12III 750 Bronze
7.2 / 10 Expert Rating
A better-built-than-average budget Bronze unit for buyers who trust the Seasonic name over a modular cable set.