Consumercarts is reader-supported. Learn more
be quiet! Pure Power 12 550W vs Silverstone ST75F-PT: Comparison
be quiet! Pure Power 12 550W and Silverstone ST75F-PT separate most on pcie 8-pin connectors: be quiet! Pure Power 12 550W at 2, Silverstone ST75F-PT at 4, 50% in favour of Silverstone ST75F-PT. Warranty splits them by another 50%, this time favouring be quiet! Pure Power 12 550W. They match on 5 other specifications, including form factor, single +12v rail and fan size. On price, be quiet! Pure Power 12 550W sits at $74.99 against $139.99 for Silverstone ST75F-PT.
Specs
| Specification |  |  |
|---|---|---|
| Brand | be quiet! | SilverStone |
| Wattage | 550 W-27% | 750 W |
| 80 PLUS Rating | Gold | Platinum |
| ATX Standard | ATX 3.1 | ATX 2.x |
| Form Factor | ATX | ATX |
| +12V Rail Amperage | 45.8 A | 62.5 A |
| Single +12V Rail | Yes | Yes |
| 12V-2x6 Connectors | 1 | 0 |
| Zero-RPM Mode | No | Yes |
| Sleeved Cables | Yes | No |
| PCIe 8-pin Connectors | 2-50% | 4 |
| Connector Count | 1x 24-pin ATX, 1x EPS 4+4, 1x 12V-2x6, 2x PCIe 6+2-pin, 5x SATA, 1x Molex (all fixed) | 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 | 120 mm | 120 mm |
| Fan Model / Bearing | 120mm be quiet! fan, rifle bearing | 120mm fluid dynamic bearing |
| OEM / Platform | HEC | Enhance Electronics |
| EPS 8-pin Connectors | 1 | 2 |
| SATA Connectors | 5 | 8 |
| Molex Connectors | 1 | 6 |
| Cable Lengths | 24-pin 600mm, max cable length 550mm | 24-pin 600mm, EPS 650mm, PCIe 600mm, SATA 600-750mm |
| Length | 160 mm | 140 mm |
| Colour | Black | Black |
| MTBF | 100000 hours | 100000 hours |
| Modularity | Non-Modular | Fully Modular |
| Protections | OTP, OCP, OPP, SCP, OVP, UVP, SIP | OCP, OVP, OPP, SCP, OTP, UVP |
| Warranty | 10 years | 5 years-50% |
| Model | Pure Power 12 550W | ST75F-PT |
| Typical Price | $74.99 | $139.99 |
| Source URL | https://www.bequiet.com/en/powersupply/5684 | https://www.silverstonetek.com/en/product/info/power-supplies/ST75F-PT/ |
Price comparison
| Retailer | be quiet! Pure Power 12 550W | Silverstone ST75F-PT |
|---|---|---|
| Amazon | $74.99 View on Amazon | $139.99 View on Amazon |
| Newegg | View on Newegg | View on Newegg |
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.
More comparisons in Power Supplies
- be quiet! Pure Power 12 550W vs EVGA SuperNOVA 750 GT
- be quiet! Pure Power 12 550W vs Deepcool PX1000G
- be quiet! Pure Power 12 550W vs MSI MEG Ai1600T PCIE5
- be quiet! Pure Power 12 550W vs Cougar GLE 1200
- be quiet! Pure Power 12 550W vs Corsair RM1000e
- be quiet! Pure Power 12 550W vs Seasonic Prime TX-1600