Best PSU for Radeon RX 7800 XT

The Radeon RX 7800 XT is AMD’s latest high-end graphics card for gamers and PC enthusiasts. Based on the advanced RDNA 3 architecture, it delivers exceptional performance and efficiency. It features 60 compute units and 16GB of GDDR6 memory with improved bandwidth. The RX 7800 XT is optimized for high-refresh 1440p gaming and delivers 20% better performance per dollar than competing cards. Key features include dedicated AI acceleration, improved streaming quality, Ultra HD encoding, and support for high resolution/refresh rate displays. It also supports AMD’s new FidelityFX Super Resolution 3 technology for boosted performance via temporal upscaling. The RX 7800 XT has a game clock speed of 2124MHz, boost clock up to 2430MHz, and a TBP of 263W, and the minimum PSU recommendation is 700W. In order to max use of Radeon RX 7800 XT, you’d better to get a PSU over 750W. We have reviewed and tested latest PSUs, and below are top recommended ones for Radeon RX 7800 XT:

1. ASUS 850W TUF Gaming Gold Modular ATX Power Supply – Check Price at Amazon US,UK,CA/B&H Photo Video

The ASUS TUF Gaming 850W Gold Modular ATX Power Supply delivers reliable, efficient power for high-end gaming PCs. It features an 80 Plus Gold certification for up to 92% efficiency, reducing electricity waste and heat output. Military-grade components like 105°C-rated capacitors ensure durability and longevity. Dual ball fan bearings last up to twice as long as sleeve bearings while keeping things cool with minimal noise. The conformal coating on the PCB protects against moisture and dust. Fully ATX 3.0 compliant, the 850W Gold can provide up to 600W of power to the latest PCIe Gen 5 graphics cards via the included 16-pin cable. The modular cables are etched for flexibility in tight spaces. Axial-tech fan design with a smaller hub and longer blades increases air pressure and lifespan. With 10-year product coverage, military-grade components, increased efficiency and longevity, and support for next-gen hardware, the ASUS TUF Gaming 850W Gold Modular PSU is an excellent choice for high-end gaming rigs that need rock-solid, future-proofed power delivery. Builders looking for a reliable, efficient PSU that can keep up with modern hardware should give the 850W Gold serious consideration.

Features:

• 850W Single +12V Rail
• 135mm Cooling Fan
• ATX12V Version 3.0 Intel Form Factor
• 600W 16-Pin PCIe Connector
• Modular Cable Design
• 80 PLUS Gold Certification
• Protective PCB Coating
• 105°C Rated Capacitors

Pros:

Cons:

80 Plus Gold certified for up to 92% efficiency, reducing electricity waste and heat Military-grade components like 105°C capacitors for durability and longevity Dual ball fan bearings last up to 2X longer than sleeve bearings Conformal coating protects against moisture and dust Fully ATX 3.0 compliant with 16-pin cable for next-gen PCIe Gen 5 graphics cards Modular cables are etched for flexibility in tight spaces Axial-tech fan design increases airflow and lifespan 10-year product coverage

Fan may need to ramp up speed and get louder under heavy loads No RGB lighting for those wanting LED bling

2. Corsair RM850e (2023) Fully Modular Low-Noise ATX Power Supply – Check Price at Amazon US,UK,CA

The newly refreshed Corsair RM850e offers 850 watts of ultra-efficient and whisper-quiet power for high-end gaming PCs. It boasts an 80 Plus Gold certification for up to 90% efficiency, reducing excess heat and electricity usage. This makes the RM850e an excellent choice for energy-conscious builders. For smooth and reliable operation, it uses 100% Japanese 105°C capacitors and a fluid dynamic fan bearing that lasts up to 2X longer than sleeve bearings. The fully modular cables are low-profile and flexible for easy building and clean aesthetics. Corsair implemented Zero RPM Fan Mode so the fan doesn’t spin until needed, keeping things silent during low and medium loads. The fan curve is also optimized for minimal noise even under heavy loads. For those wanting monitoring and customization, Corsair iCUE software integration allows PSU optimization and diagnostics. With its cutting-edge design focused on efficiency, reliability, and low noise, the new Corsair RM850e provides high-end systems with whisper-quiet, eco-friendly power delivery. Energy-conscious enthusiasts and builders should shortlist the RM850e for a quiet, cool, and efficient 850W PSU.

Corsair RM850e (2023) Fully Modular Low-Noise ATX Power Supply Features:

• Fully Modular PSU: Reliable and efficient low-noise power supply with fully modular cabling, so you only have to connect the cables your system build needs.
• Intel ATX 3.0 Certified: Compliant with the ATX 3.0 power standard, supporting the PCIe Gen 5 platform and resisting transient power spikes.
• Keeps Quiet: A 120mm rifle bearing fan with a specially calculated fan curve keeps fan noise down, even when operating at full load.
• 105°C-Rated Capacitors: Delivers steady, reliable power and dependable electrical performance.
• Modern Standby Compatible: Extremely fast wake-from-sleep times and better low-load efficiency.

Pros:	Cons:
Delivered full power at 47°C High overall performance Quiet operation Modular cables Fully compliant with ATX 3.0 Quality fan – low noise with high airflow Loads of cables and connectors Fully modular	Needs a small average efficiency boost Small distance between peripheral connectors

3. Corsair SF Series SF750 750W 80 PLUS Platinum Modular PSU – Check Price at Amazon/B&H Photo Video/Newegg

The Corsair SF750 provides premium 750W power in a small form factor ideal for compact, high-end PCs. It boasts 80 PLUS Platinum certification for over 92% efficiency, reducing excess heat and electricity usage, even under heavy gaming loads. Despite the small size, it delivers reliable performance thanks to 100% Japanese capacitors rated for 105°C and a fluid dynamic bearing fan for longevity. Fully modular cables are low-profile and flexible, perfect for optimizing airflow in small cases. A Zero RPM mode keeps the fan off until needed, while the optimized fan curve minimizes noise during gaming sessions. Corsair iCUE software integration allows monitoring power draw and customizing fan behavior. While many SFX units cut corners, the SF750 offers top-tier quality and performance. The compact size makes it perfect for small form factor builds, yet it can still provide enough clean, stable power for high-end components. Gamers and enthusiasts wanting Platinum efficiency and rock-solid power in a tiny package need look no further than Corsair’s SF750.

Corsair SF Series SF750 750W 80 PLUS Platinum Modular PSU Features:

• 750W Single +12V Rail
• 92mm Cooling Fan
• Intel ATX12V Version 2.4
• 4 x PCIe Connectors
• 8 x SATA Connectors
• 3 4-Pin Connectors
• Individually Sleeved Cables
• SFX-to-ATX Adapter Included
• Supports Multiple GPUs
• Zero RPM Mode

Pros:	Cons:
Extremely high power density Resiliently high operating temperatures Tight load regulation High overall performance Fully modular 2x EPS & 4x PCIe Ripple suppression is first class Great build quality 105c rated capacitors throughout	Expensive Cables are intentionally quite short

4. MSI MPG A850G PCIE5 850W 80 PLUS Gold Modular Power Supply – Check Price at Amazon/B&H Photo Video/Newegg

The MSI MPG A850G offers feature-packed 80 Plus Gold efficiency in a modular 850-watt power supply ready for NVIDIA and AMD’s latest high-end GPUs. It provides stable, reliable power for PC gaming rigs with PCIe Gen 5 compatibility right out of the box. A 135mm fluid dynamic bearing fan keeps things cool with a massive 280,000 hour lifespan that’s twice as long as a standard sleeve bearing fan. Fan stop mode ensures quiet operation during low and medium loads. MSI’s Zero Frozr technology stops the fan entirely below 60% load. Fully modular black sleeved cables provide a clean aesthetic and easy cable management. The ECO Silent mode can toggle between multiple power output levels to maximize efficiency. MSI’s Gaming Intelligence platform enables monitoring and control through software. For high-wattage configurations loaded with powerful modern components, the MPG A850G delivers efficient and reliable power required for peak performance. Its PCIe Gen 5 compatibility also makes it forward-looking for next-generation GPU upgrades. Gamers who want an 80 Plus Gold workhorse PSU capable of keeping up with top-shelf builds should have the A850G on their shortlist.

MSI MPG A850G PCIE5 850W 80 PLUS Gold Modular Power Supply Features:

• 850W Single +12V Rail
• 135mm Cooling Fan
• Intel ATX12V Version 3.0
• 1 x 16-Pin Connector
• 6 x PCI-E Connectors
• 8 x SATA Connectors
• 4 x 4-Pin Connectors
• Flat, Sleeved Cables
• 80 PLUS Gold Efficiency Rating

Pros:	Cons:
Delivered full power at 47°C Fluid dynamic bearing fan Low vampire power consumption High power factor Tight +12V load regulation Good ripple suppression Decent transient response High number of connectors and cables 10-year warranty	Not competitive overall performance Low efficiency under light and super light loads Not so quiet operation High inrush current with 230V input

5. MSI MPG A750GF 80 PLUS Gold Modular Power Supply – Check Price at Amazon US,UK,CA/B&H Photo Video/Newegg

The MSI MPG A750GF is a gaming power supply that performs quietly at 22dB and enjoys superb durability thanks to its FDB fan that has a longer lifespan than sleeve bearing fans. The overall performance is not far from competing offerings. However, the big letdowns are the inaccurate power ok signal and the low hold-up time, which don’t allow it a place in the best PSUs article. The MSI MPG A750GF uses an older, but still capable, platform, provided by CWT, featuring high build quality. It has full power at 47 degrees Celsius and high enough overall performance. It also has good build quality and quality cooling fan. The load regulation on all rails is tight and it has high enough average efficiency. It is silent at light and moderate loads and fully modular with loads of connectors. It is compatible with the alternative sleep mode and has adequate distance between peripheral connectors. It also comes with a 10-year warranty.

MSI MPG A750GF 80 PLUS Gold Modular Power Supply Features:

• COMPACT SIZING – The MPG gaming power supply’s 160mm-long and 150mm-wide dimensions ensure a comfortable and easy fit in most PC cases.
• 80 PLUS GOLD CERTIFIED – The 80 PLUS Gold certification promises lower energy consumption and higher efficiency.
• FULL MODULAR DESIGN – A fully modular design means only using the connectors required for the build, significantly reducing cable clutter.
• FLAT BLACK CABLES – All of the MPG gaming power supplies come equipped with flat cables that make cable management easier and provide more room for unobstructed airflow.
• 100% JAPANSE 105°C CAPACITORS – Aiming for unwavering product quality and performance stability, the MPG gaming power supplies comes with 100% Japanese 105° C capacitors.
• ALLOY COPPER TERMINALS – The MPG gaming power supply’s CPU, VGA, and MB connectors utilize alloy copper terminals that can withstand higher current ratings than traditional phosphor bronze cable terminals.

Pros:	Cons:
Full power at 47 degrees Celsius High enough overall performance Good build quality Quality cooling fan Tight load regulation on all rails High enough average efficiency Silent at light and moderate loads Fully modular with loads of connectors Compatible with the alternative sleep mode Adequate distance between peripheral connectors 10-year warranty	Inaccurate power ok signal Increased EMI emissions Mediocre transient response Low PF readings Lower than 70% efficiency with 2% load Increased noise under stressful conditions Not so efficient 5VSB rail

Conclusion:

For powering an AMD Radeon RX 7800 XT, a high-quality 850W 80 Plus Gold certified fully modular power supply is recommended. Top options include the ASUS TUF 850W for military-grade components and longevity, the Corsair RM850 for ultra-quiet and efficient operation, the Corsair SF750 for premium performance in a compact size, and the MSI MPG A850G for PCIe Gen 5 readiness. While the RX 7800 XT only requires a 700W PSU, an 850W unit leaves plenty of headroom for overclocking and future upgrades. Avoid skimping on your power supply, as unstable power delivery can lead to crashes and component damage. Spending a bit more on a reliable, efficient PSU from a reputable brand will pay dividends in terms of performance, noise levels, and system stability when paired with a powerful GPU like the Radeon RX 7800 XT.