Best PSU for AMD Ryzen 7 9800X3D and AMD Radeon RX 9070 XT
+
AMD Radeon RX 9070 XT
Configuration Analysis
System Performance Assessment
This system is a powerhouse, capable of handling virtually any modern game at maximum settings with high refresh rates at 1440p and 4K resolutions. It will also excel in demanding content creation tasks such as video editing, 3D rendering, and complex simulations. Expect smooth multitasking and minimal bottlenecks.
Recommended Power Supplies
MSI MAG A750GL PCIE5, Fully Modular Compact Gaming 750W Power Supply, 80+ Gold, ATX 3.1 & PCIe 5.1 Ready, Native Dual-Color 12V-2×6 Cable, 10 Year Warranty
Thermaltake Toughpower GT 750W ATX 3.1 Standard Power Supply; 80 Plus Gold Efficiency; Smart Zero Fan; Native 300W PCIe 5.1 Connector; PS-TPT-0750FNFAGU-3; 5 Year Warranty
The Toughpower GT 750W has the headroom and PCIe 5.1 connector your 9800X3D/RX 9070 XT combo needs, plus a 5-year warranty for peace of mind.
Cooler Master MWE Gold 750 V2 Full Modular PSU, 750W, 80+ Gold, Designed Ready Nvidia RTX 5070 Ti | AMD RX 9070 XT, 2 EPS Connectors, 120mm HDB Fan, Semi-fanless, 5-Year
The Cooler Master MWE Gold 750 V2 is perfect! Gold-rated efficiency and ample power for the 9800X3D and RX 9070 XT, plus future upgrades.
Comparison Table
| Model | Wattage | Efficiency | Form Factor | Modularity | Price | Best For |
|---|---|---|---|---|---|---|
| MSI MAG A750GL PCIE5, Fully Modular Compact Gaming 750W Power Supply, 80+ Gold, ATX 3.1 & PCIe 5.1 Ready, Native Dual-Color 12V-2×6 Cable, 10 Year Warranty | 750W | 80+ Gold | ATX | Full-Modular | $87.99 | Overall Value |
| Thermaltake Toughpower GT 750W ATX 3.1 Standard Power Supply; 80 Plus Gold Efficiency; Smart Zero Fan; Native 300W PCIe 5.1 Connector; PS-TPT-0750FNFAGU-3; 5 Year Warranty | 750W | 80+ Gold | ATX | Full-Modular | $75.98 | Energy Efficiency |
| Cooler Master MWE Gold 750 V2 Full Modular PSU, 750W, 80+ Gold, Designed Ready Nvidia RTX 5070 Ti | AMD RX 9070 XT, 2 EPS Connectors, 120mm HDB Fan, Semi-fanless, 5-Year | 750W | 80+ Gold | ATX | Full-Modular | $69.99 | Energy Efficiency |
Why This Wattage?
Power Calculation
The recommended PSU wattage is calculated based on the total power draw of your CPU (AMD Ryzen 7 9800X3D) and GPU (AMD Radeon RX 9070 XT), plus approximately 100W for other components like motherboard, memory, and storage devices.
Extra Headroom
We add an additional 30% headroom to ensure optimal efficiency, handle power spikes, and allow for future upgrades. This ensures your system runs stable and your PSU operates in its optimal efficiency range.
Efficiency Standards
We recommend power supplies with 80 Plus certification, which represents higher energy efficiency and more reliable performance. Power supplies are most efficient at 50-60% load, so having adequate headroom is important.
Power Efficiency Tips
Enable AMD's Radeon Chill feature to dynamically regulate frame rates, reducing GPU power consumption during less demanding scenes.
Utilize AMD's Ryzen Master software to undervolt the CPU, potentially reducing power draw without significantly impacting performance.
Consider setting a frame rate cap in games to prevent the GPU from working harder than necessary, especially in older titles.
Special Installation Note
Ensure the 12V-2×6 (or PCIe 5.0) connector from the PSU is directly connected to the RX 9070 XT. Avoid using adapters or daisy-chaining connectors to guarantee stable power delivery to the GPU.
Usage Scenarios
AAA Gaming
This system can handle the latest AAA games at maximum settings with high frame rates and smooth performance at 4K resolution.
Video Editing
Effortlessly edit 4K and even 8K video footage with complex effects, rendering projects quickly and efficiently for professional-level workflows.
VR Immersion
Experience virtual reality with stunning visuals and buttery-smooth performance, enabling immersive and lag-free VR gaming and applications.
Installation Tips
Position Properly
Most cases have a dedicated PSU bay at the bottom. Ensure the PSU fan is facing down if your case has bottom ventilation, allowing it to draw cool air from outside.
Cable Management
With modular PSUs, connect only the cables you need. Route cables behind the motherboard tray when possible for better airflow and cleaner appearance.
Proper Connections
Ensure all power connectors are fully seated and locked. The AMD Radeon RX 9070 XT will require dedicated PCIe power connectors from the PSU.
Test Before Completing
Before fully closing your case, connect the essential components and test that your system boots correctly with the new power supply.
The MSI MAG A750GL is perfect! Its ATX 3.1 & PCIe 5.1 support is future-proofed for your RX 9070 XT and Ryzen 9800X3D.