Seasonic Prime PX-1600
Best power supply for high-end gaming rigs and professional workstations.
The Seasonic PRIME PX ATX 3.0 Series power supply delivers exceptional performance and reliability for high-end PC builds. It features a robust 1600-watt output, ensuring ample power for demanding components. With 80 PLUS Platinum certification, it offers excellent energy efficiency. This fully modular unit simplifies cable management, and its ATX 3.0 and PCIe 5.0 compatibility ensures readiness for the latest graphics cards and processors. Built with 105°C-rated Japanese capacitors, it guarantees long-term durability and unwavering power delivery for an optimal user experience.
$452.73
Owner Satisfaction
4.7
/ 5
Category Rank
28
/ 1062
#28 in Computer Power Supplies
Price vs Category Average
-51%
Below average
Cooling Fans
135
/ mm Fluid Dynamic Bearing
Who it's for
- Workstation builders and enthusiasts running multi-GPU setups
- Users prioritizing long-term reliability and premium internal components
- System builders focused on clean aesthetics and optimized airflow
Who should skip it
- Mainstream gamers who do not need excessive power capacity
- Budget-conscious buyers seeking value over extreme performance
- Owners of compact cases with limited power supply clearance
Performance breakdown
Power Headroom
Massive 1600-watt output handles the most demanding multi-GPU enthusiast builds easily.
Future Readiness
Full ATX 3.0 and native PCIe 5.0 support ensures seamless hardware compatibility.
Energy Efficiency
80 PLUS Platinum certification minimizes waste and reduces long-term operating costs.
Build Longevity
Premium Japanese capacitors and a 12-year warranty guarantee exceptional long-term reliability.
Cable Management
Fully modular design allows for a clean, clutter-free interior in any chassis.
Thermal Performance
Fluid dynamic bearing fan provides quiet, efficient cooling under heavy sustained loads.
Key Specs
Cooling Fans
135mm Fluid Dynamic Bearing
Wattage
1600 Watts
Form Factor
ATX
Color
Black
LED Color
None
ATi CrossFire
CrossFire Compatible
NVIDIA SLI
SLI Compatible
Modular
Fully-Modular
Features
- ATX 3.0 and PCIe 5.0 compatible
- Native 12VHPWR connectors
- Digital Fan Control
- 105°C-rated Japanese electrolytic capacitors
- Fully modular design for easy cable management
- SLI and CrossFire compatible
What customers say
Customers consistently praise the Seasonic USA Prime PX 1600 for its exceptional reliability and superior build quality. Users frequently highlight its stable power delivery, ensuring peace of mind for high performance systems. The premium components and robust construction contribute to a sense of long lasting durability. Many appreciate the quiet operation and efficient performance, making it a trusted choice for demanding setups. This power supply is seen as a solid investment, reflecting Seasonic's reputation for dependable hardware.
Know before you buy
Yes, the Prime PX-1600 is fully ATX 3.0 and PCIe 5.0 compliant. It includes native 12VHPWR connectors, making it ready for the latest high-performance GPUs without needing extra adapters.
Yes, it is fully modular, meaning every cable can be detached from the power supply. This allows you to use only the cables your specific components require, significantly reducing clutter and improving airflow inside your case.
While it follows the standard ATX form factor, the unit has a depth of 8.27 inches (210mm). You should verify that your specific PC case has enough clearance in the power supply shroud to accommodate this extra length.
The unit uses a 135mm Fluid Dynamic Bearing fan paired with digital fan control. This setup is designed to provide quiet, efficient cooling that adjusts based on the power load, ensuring the unit stays cool under heavy stress.
The unit is built with 105°C-rated Japanese electrolytic capacitors, which are industry-standard for high durability and stability. Seasonic also backs this reliability with a comprehensive 12-year limited warranty on both parts and labor.
Yes, the Prime PX-1600 is both SLI and CrossFire compatible. With 1600 watts of power and multiple 6+2-pin PCIe connectors, it is well-equipped to handle demanding multi-graphics card configurations.
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