Best ATX 3.0 PCIe Gen 5 Power Supply

The power supply unit (PSU) is a critical component of any PC build. With the advent of PCIe Gen 5, the demand for compatible and efficient PSUs has grown exponentially. As technology advances, the need …

The power supply unit (PSU) is a critical component of any PC build. With the advent of PCIe Gen 5, the demand for compatible and efficient PSUs has grown exponentially. As technology advances, the need for a reliable power source that can handle high-performance components becomes paramount. After extensive research, we’ve compiled a list of the Best ATX 3.0 PCIe Gen 5 power supply units available in the market. Here’s a brief overview and specs for each

Corsair RM850x

The Corsair RM850x is a top-tier power supply unit that stands out for its high efficiency and impeccable performance. Designed with the highest quality components, this PSU is built to deliver 80 PLUS Gold efficient power to your PC. One of its standout features is the cooling power of the potent Magnetic Levitation fans, ensuring that your system remains cool even under intense workloads.

Specifications Of Corsair RM850x

ModelCorsair RM850x
Efficiency80 PLUS Gold (up to 90% efficiency)
Cooling Fan140mm Fan with Zero RPM Mode
ModularityFully Modular with CORSAIR Type 5 Gen 1 micro-fit PSU cables
ATX StandardATX 3.0 Certified
GPU CompatibilityPCIe 5.0 12VHPWR GPU cables (compatible with NVIDIA® GeForce RTX™ 40 Series)
Capacitors100% Industrial-grade, 105°C-rated Japanese electrolytic capacitors
Special FeatureSide Mounted Connections (patent-pending side PSU panel with modular connections)
WarrantyNot specified in the provided content
Dimensions (Compatibility)Fits in any PC case supporting ATX PSU format and at least 210mm (8.3″) wide

Pros And Cons Of Corsair RM850x

1. Amazing ripple suppression.1. Increased overall noise output due to more aggressive fan speed profile.
2. Tighter load regulation.2. No fan-test button.
3. Higher efficiency, especially at light loads.3. In-cable capacitors.
4. Longer hold-up time.
5. Reliable ML fan even under high operating temperatures.
6. 10-year warranty.
7. Fully modular.
8. Compact dimensions.

Seasonic Prime TX-1000

The Seasonic Prime TX-1000 is a powerhouse in the realm of power supply units. It is a part of Seasonic’s Prime series, which is renowned for its exceptional performance and reliability. This unit is designed for optimal efficiency, minimal power consumption, and a highly functional design. It boasts the Seasonic Premium Hybrid Fan Control, which reduces overheating and controls ventilation. Additionally, it features a 135mm fan with Fluid Dynamic bearing, enhancing its performance.

Specifications Of Seasonic Prime TX-1000

ModelSeasonic Prime TX-1000
Max. DC Output1000W
Efficiency80 PLUS Titanium
Cooling Fan135mm with Fluid Dynamic Bearing
ModularityFully Modular
Motherboard Connector20+4 pin
Cooling PrincipleActive
Special Features– Seasonic Premium Hybrid Fan Control<br>- Reduced noise and improved efficiency at low loads
Warranty12 years
Lifespan50,000 hours
80 Plus Titanium certification for high efficiency.Availability issues (sold out at many retailers).
Quiet operation with 135mm fluid dynamic bearing fan.
Micro-tolerance load regulation ensures stable power.
Micro tolerance load regulation ensures stable power.
12-year warranty, showcasing confidence in product quality.
Fully modular design for flexibility.
High-quality components and build.
Reliable performance even under intensive tasks.

EVGA SuperNOVA 750 G5

The EVGA SuperNOVA 750 G5 is a part of EVGA’s renowned SuperNOVA series, known for its top-tier performance and reliability. This power supply unit is designed to cater to the needs of high-performance systems, ensuring optimal efficiency and stability. It features a 135mm fluid dynamic bearing fan, which ensures silent operation and longevity. The unit also boasts a fully modular design, allowing users to use only the cables they need, leading to a cleaner and more organized build.

Specifications Of EVGA SuperNOVA 750 G5

ModelSuperNOVA 750 G5
TypeATX Power Supply
Efficiency Rating80 PLUS Gold
ModularFully Modular
Input Voltage100 – 240 V
Input Frequency Range50 – 60 Hz
Output+3.3V@24A, +5V@24A, +12V@62.4A, +5VSB@3A, -12V@0.3A
Connectors1 x 24-pin ATX, 2 x 4+4-pin EPS, 6 x 6+2-pin PCIe, 9 x SATA, 4 x 4-pin Peripheral, 1 x Floppy
Cooling135mm Fluid Dynamic Bearing Fan
Protection FeaturesOVP (Over Voltage), UVP (Under Voltage), OCP (Over Current), OPP (Over Power), SCP (Short Circuit), OTP (Over Temperature)
Dimensions150mm x 150mm x 86mm
WeightNot specified
Warranty10 Years

Pros And Cons Of EVGA SuperNOVA 750 G5

1. Fully modular design for easy cable management.1. Might be overkill for less demanding systems.
2. 80 PLUS Gold efficiency, ensuring less power waste.2. Some users might find it pricier than other models.
3. Reliable and durable build quality.3. Potential compatibility issues with certain cases.
4. Comes with a 10-year warranty.
5. Quiet operation with ECO mode.
6. Comprehensive protection features.

ASUS ROG Thor 850

The ASUS ROG Thor 850W PSU stands out in the power supply market with its unique features. It boasts Aura Sync RGB for synchronized lighting effects, an innovative OLED display showing real-time power consumption, and a 135mm Wing-blade fan ensuring efficient cooling. With an 80 PLUS Platinum efficiency rating and high-quality sleeved cables, it’s designed for enthusiasts seeking both performance and aesthetics.

Specifications Of ASUS ROG Thor 850

Aura Sync RGBSynchronized lighting; default static red.
OLED DisplayReal-time power draw.
Fan135mm Wing-blade; IP5X dust-resistant; 0dB silent operation.
Efficiency80 PLUS Platinum; 89% at 100% load, 92% at 50% load.
CablesSleeved (24-pin, 2x 6+2-pin PCI-e, 2x 8-pin CPU); RGB connector.
Warranty10 years (core); 3 years (OLED & RGB LEDs).

Pros And Cons Of ASUS ROG Thor 850

Aura Sync RGB customizationPremium price
Real-time OLED power displayBulky size & weight
80 PLUS Platinum efficiencyThe visibility of features depends on the case design
135mm Wing-blade silent fan
High-quality sleeved cables
10-year core warranty

Cooler Master V850 Gold V2

Cooler Master’s V series is known for its durability and performance. The V850 Gold V2 offers a robust power solution with an improved thermal design.

Specifications Of Cooler Master V850 Gold V2

Manufacturer (OEM)Gospower
Max. DC Output850W
EfficiencyCybernetics A- (25-30 dB[A])
NoiseCybenetics A- (25-30 dB[A])
Operating Temperature (Continuous Full Load)0 – 50°C
Cooling135mm Fluid Dynamic Bearing Fan (HA13525M12F-Z)
Dimensions (W x H x D)150 x 85 x 160mm
Weight1.67 kg (3.68 lb)
Form FactorATX12V v2.52, EPS 2.92
Warranty10 Years

Pros and Cons Of Cooler Master V850 Gold V2

Full power at 47°CNot so tight load regulation
Complete protection featuresPower Factor readings could be higher
High performanceSmall distance between the peripheral connectors
Efficient 5VSB rail
Long hold-up time
Low inrush and leakage current
Fully compatible with the newest ATX spec
Fully modular


NZXT’s C series offers a blend of aesthetics and performance. The C850 is designed with a focus on silent operation without compromising on power delivery.

Specifications Of NZXT C850

Manufacturer (OEM)Seasonic
Max. DC Output850W
Efficiency80 PLUS Gold, ETA-A (88-91%)
NoiseLAMBDA-S++ (30-35 dB[A])
ModularFully Modular
Operating Temperature (Continuous Full Load)0 – 50°C
Cooling120mm Fluid Dynamic Bearing Fan (HA1225H12F-Z)
Dimensions (W x H x D)150 x 85 x 150mm
Weight1.62 kg (3.57 lb)
Form FactorATX12V v2.4, EPS 2.92
Warranty10 Years

Pros And Cons Of NZXT C850

Full power at 47 degrees Celsius.Can be noisy under tough conditions.
Efficient and good performance.Mediocre transient response at 3.3V.
Long hold-up time.Lower than 70% efficiency with 2% load.
Low inrush current.Small distance between connectors and in-cable caps.
Fully modular.
Selectable semi-passive operation.
Aesthetically pleasing design.

Thermaltake Toughpower GF1 ARGB 850W

Thermaltake’s Toughpower series is designed for those who want a touch of RGB in their builds. The GF1 ARGB model offers efficient power delivery with vibrant RGB effects.

Specifications Of Thermaltake Toughpower GF1 ARGB 850W

ModelThermaltake Toughpower GF1 ARGB 850W
TypeATX 12V v2.4 and EPS v2.92
Peak Output Capacity1020W
Dimension (W x H x D)150mm(W) x 86mm(H) x 160mm(D)
PFC (Power Factor Correction)Active PFC
Power Good Signal100-500 msec
Hold Up Time> 16msec (at full load)
Input Current12A max
Input Frequency Range50Hz – 60Hz
Input Voltage100V – 240V~
Operating Temperature0°C to + 50°C
Operating Humidity20% to 90%,non-condensing
Storage Temperature-20°C to + 70°C
Storage Humidity5% to 95%, non-condensing
Cooling System140mm Hydraulic Bearing Fan
EfficiencyMeet 80 PLUS® Gold at 115Vac input
MTBF120,000 hrs minimum
PCI-E ConnectorPCI-E 6+2pin x 4

Pros And Cons Thermaltake Toughpower GF1 ARGB 850W

1. Fully modular design for easy cable management.1. Some users might find the RGB lighting unnecessary.
2. High-quality Japanese capacitors ensure reliability.2. Potential for noise at higher loads.
3. 80 PLUS Gold efficiency for energy savings.3. Price might be on the higher side for some users.
4. ARGB lighting provides customization options.
5. Comes with a 10-year warranty.
6. Smart Zero Fan ensures minimal noise during low-load operations.

Fractal Design Ion+ 860P

Fractal Design’s Ion+ series is all about silent operation and efficiency. The 860P model offers a premium build quality with a focus on minimal noise.

Specifications Of Fractal Design Ion+ 860P

Manufacturer (OEM)High Power
Max. DC Output860W
Efficiency80 PLUS Platinum, ETA-A (88-91%)
NoiseLAMBDA-A+ (15-20 dB[A])
ModularityFully Modular
Intel C6/C7 Power State SupportYes
Operating Temperature (Full Load)0 – 50°C
Over Voltage ProtectionYes
Under Voltage ProtectionYes
Over Power ProtectionYes
Over Current (+12V) ProtectionYes
Over Temperature ProtectionYes
Short Circuit ProtectionYes
Surge ProtectionYes
Inrush Current ProtectionYes
Fan Failure ProtectionNo
No Load OperationYes
Cooling140mm fluid dynamic bearing Fan (Dynamic X2 GP-14)
Semi-Passive OperationSelectable
Dimensions150 x 85 x 150mm
Weight1.67 kg (3.68 lb)
Form FactorATX12V v2.4, EPS 2.92
Warranty10 years
Power Specifications (Max. Power)3.3V: 22A (120W), 5V: 22A, 12V: 71.6A (860W), 5VSB: 3A (15W), -12V: 0.3A (3.6W)
Total Max. Power860W
Cables and ConnectorsATX connector 20+4 pin, 4+4 pin EPS12V, 8 pin EPS12V, 6+2 pin PCIe, SATA, Four-pin Molex, etc.

Pros And Cons Fractal Design Ion+ 860P

1. Fully modular design for flexibility1. Slightly higher price compared to some competitors
2. UltraFlex DC cables for easier cable management2. Some users might prefer a different aesthetic
3. High-quality Japanese capacitors for reliability
4. 80 PLUS Platinum efficiency for energy savings
5. Silent operation due to Zero RPM mode
6. 10-year warranty ensuring long-term peace of mind

Be quiet! Straight Power 11 850W

As the name suggests, be quiet!’s PSUs are designed for silent operation. The Straight Power 11 model offers a whisper-quiet performance with top-tier efficiency.

Specifiactions Of Be quiet! Straight Power 11 850W

ModelBe quiet! Straight Power 11 850W
Efficiency80 PLUS Gold (up to 93% efficiency)
Cooling Fan135mm Silent Wings 3 fan
ModularityYes (Fully Modular)
Japanese CapacitorsYes (for maximum stability under high load)
Power DeliveryReliable and clean
Independent 12v-railsFour
Connectors– 24-pin ATX<br>- 2x 12v P8 (2x P4)<br>- 4x PCIe 6+2-pin<br>- 4x SATA (11x SATA, 4x HDD)<br>- 1x HDD to FDD
Additional Features– Synchronous rectifier for enhanced efficiency<br>- Wire-free design on the DC side for improved airflow and reduced signal disturbance

Pros and Cons Be quiet! Straight Power 11 850W

Fully modular design for flexibility and clean builds.Premium price point.
80 PLUS Gold certification ensures high efficiency.
Silent Wings 3 fan ensures quiet operation.
High-quality Japanese capacitors for reliability and stability.
Wire-free design on the DC side improves airflow and reduces signal disturbance.
Reliable power delivery for stable system performance.
Comes with a variety of cables for versatile system builds.

Gigabyte AORUS P850W

Gigabyte’s AORUS series is designed for gamers and enthusiasts. The P850W model offers a reliable power solution with a sleek design.

Specifications of Gigabyte AORUS P850W

ModelGigabyte AORUS P850W
TypeIntel Form Factor ATX 12V v2.31
PFC (Power Factor Correction)Active PFC (>0.9 typical)
Input Voltage90% at the typical load
Dimensions150 x 160 x 86mm
Cooling Fan135mm Double ball bearing fan
Efficiency90% at typical load
Power Good Signal100ms ~ 150ms
Hold Up Time> 16m sec at full load (115V)
Cable Type90% at the typical load
Connectors– ATX/MB 20+4 Pin x 1 : 650mm<br>- CPU/EPS 4+4 Pin x 2 : 800mm1 , 650mm1<br>- PCI-e 6+2 Pin x 6 : 750mm2 , 650mm+150mm2<br>- SATA x6 + 4 Pin Peripheral x2 : 550mm+100mm+100mm+100mm*1, 450mm+100mm+100mm+100mm 1<br>- 4 Pin Peripheral x 3 + 4 pin Floppy x 1 : 450mm+100mm+100mm+100mm1<br>- 4 Pin Floppy x 1 : 100mm

Pros Of Gigabyte AORUS P850W

1. Fully modular cable system.
2. 80 Plus Gold certified for high efficiency.
3. Quiet double ball bearing fan.
4. Semi-fanless operation (fan off below 20% load).
5. 100% Japanese made capacitors for reliability.
6. 10-year warranty for peace of mind.

When selecting a PSU for your next build, it’s essential to consider not just the wattage but also the efficiency rating, warranty, and additional features. The above-listed PSUs are among the best in the market, ensuring that your components receive clean and stable power. Whether you’re building a gaming rig or a workstation, these PSUs will serve you well.

This is all you need to know about Best ATX 3.0 PCIe Gen 5 Power Supply. You can read more on Best Power Supply For RTX 4070 Ti 2023, Best Corsair Power Supply (PSU) 2023, and Alienware Aurora R16: Power, Performance, and Style in One Package.

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