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be quiet! Pure Power 12 550W vs Silverstone ST75F-PT: Comparison
What is the difference between be quiet! Pure Power 12 550W and Silverstone ST75F-PT?
Start with wattage, because it is the widest measured gap between them: be quiet! Pure Power 12 550W 550 W against Silverstone ST75F-PT 750 W, 27% in favour of Silverstone ST75F-PT. Warranty runs the same way, 10 years on the be quiet! Pure Power 12 550W versus 5 years on the Silverstone ST75F-PT, another win for be quiet! Pure Power 12 550W. Add pcie 8-pin connectors to that, 2 on the be quiet! Pure Power 12 550W versus 4 on the Silverstone ST75F-PT, and the pattern holds.
be quiet! Pure Power 12 550W vs Silverstone ST75F-PT: 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 built for anyone wanting fully modular cables and high-end or multi-GPU builds. The Silverstone ST75F-PT suits 24/7 workstations where efficiency pays off over time and high-end single-GPU builds wanting Platinum efficiency, though it is the wrong buy for SFF builds needing SFX/SFX-L sizing and extreme multi-GPU loads above 750W. 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 Silverstone ST75F-PT (8.4/10): A genuinely efficient Platinum-rated ATX PSU for buyers who want Silverstone's SFX-L build quality without the compact form factor.
be quiet! Pure Power 12 550W vs Silverstone ST75F-PT price
At the last price check the be quiet! Pure Power 12 550W was $74.99 and the Silverstone ST75F-PT $140, a 87% premium.
Frequently asked questions
Do the be quiet! Pure Power 12 550W and Silverstone ST75F-PT differ on 80 plus rating?
Yes. 80 PLUS Rating reads Gold on the be quiet! Pure Power 12 550W versus Platinum on the Silverstone ST75F-PT.
Is the Fan Size the same on the be quiet! Pure Power 12 550W and Silverstone ST75F-PT?
It is. Both are listed at 120 mm, so it is not a reason to pick one over the other.
Specs and benchmarks
Brand
- be quiet! Pure Power 12 550W
- be quiet!
- Silverstone ST75F-PT
- SilverStone
Wattage
- be quiet! Pure Power 12 550W
- 550 W-27%
- Silverstone ST75F-PT
- 750 WBest
80 PLUS Rating
- be quiet! Pure Power 12 550W
- Gold
- Silverstone ST75F-PT
- Platinum
Model Number
- be quiet! Pure Power 12 550W
- Pure Power 12 550W
- Silverstone ST75F-PT
- ST75F-PT
ATX Standard
- be quiet! Pure Power 12 550W
- ATX 3.1
- Silverstone ST75F-PT
- ATX 2.x
Form Factor
- be quiet! Pure Power 12 550W
- ATX
- Silverstone ST75F-PT
- ATX
+12V Rail Amperage
- be quiet! Pure Power 12 550W
- 45.8 A
- Silverstone ST75F-PT
- 62.5 A
Single +12V Rail
- be quiet! Pure Power 12 550W
- Yes
- Silverstone ST75F-PT
- Yes
12V-2x6 Connectors
- be quiet! Pure Power 12 550W
- 1
- Silverstone ST75F-PT
- 0
Zero-RPM Mode
- be quiet! Pure Power 12 550W
- No
- Silverstone ST75F-PT
- Yes
Sleeved Cables
- be quiet! Pure Power 12 550W
- Yes
- Silverstone ST75F-PT
- No
PCIe 8-pin Connectors
- be quiet! Pure Power 12 550W
- 2-50%
- Silverstone ST75F-PT
- 4
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)
- Silverstone ST75F-PT
- 1x 24-pin ATX, 1x EPS 8-pin, 1x EPS 4+4, 4x PCIe 6+2-pin, 8x SATA, 6x Molex, 2x floppy
Fan Size
- be quiet! Pure Power 12 550W
- 120 mm
- Silverstone ST75F-PT
- 120 mm
Fan Model / Bearing
- be quiet! Pure Power 12 550W
- 120mm be quiet! fan, rifle bearing
- Silverstone ST75F-PT
- 120mm fluid dynamic bearing
OEM / Platform
- be quiet! Pure Power 12 550W
- HEC
- Silverstone ST75F-PT
- Enhance Electronics
EPS 8-pin Connectors
- be quiet! Pure Power 12 550W
- 1
- Silverstone ST75F-PT
- 2
SATA Connectors
- be quiet! Pure Power 12 550W
- 5
- Silverstone ST75F-PT
- 8
Molex Connectors
- be quiet! Pure Power 12 550W
- 1
- Silverstone ST75F-PT
- 6
Cable Lengths
- be quiet! Pure Power 12 550W
- 24-pin 600mm, max cable length 550mm
- Silverstone ST75F-PT
- 24-pin 600mm, EPS 650mm, PCIe 600mm, SATA 600-750mm
Length
- be quiet! Pure Power 12 550W
- 160 mm
- Silverstone ST75F-PT
- 140 mm
Colour
- be quiet! Pure Power 12 550W
- Black
- Silverstone ST75F-PT
- Black
MTBF
- be quiet! Pure Power 12 550W
- 100000 hours
- Silverstone ST75F-PT
- 100000 hours
Modularity
- be quiet! Pure Power 12 550W
- Non-Modular
- Silverstone ST75F-PT
- Fully Modular
Protections
- be quiet! Pure Power 12 550W
- OTP, OCP, OPP, SCP, OVP, UVP, SIP
- Silverstone ST75F-PT
- OCP, OVP, OPP, SCP, OTP, UVP
Price
- be quiet! Pure Power 12 550W
- 74.99 USD
- Silverstone ST75F-PT
- 139.99 USD
Warranty
- be quiet! Pure Power 12 550W
- 10 yearsBest
- Silverstone ST75F-PT
- 5 years-50%
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 5 years).
Choose Silverstone ST75F-PT if you want the higher wattage (750 W vs 550 W) and the higher PCIe 8-pin connectors (4 vs 2).
Price comparison
| Retailer | be quiet! Pure Power 12 550W | Silverstone ST75F-PT |
|---|---|---|
| Amazon | $74.99 View on Amazon | $139.99 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.
Silverstone ST75F-PT
8.4 / 10 Expert Rating
A genuinely efficient Platinum-rated ATX PSU for buyers who want Silverstone's SFX-L build quality without the compact form factor.




