11 Best 1000W Power Supply For High-Powered PCs

The second product on this list shows all the qualities of the Corsair brand. Being a leading manufacturer and developer of high-performance components, it has a huge list of products. By adapting to the market, it has introduced a number of high-quality products for consumers.

The Corsair RM1000x Shift 1000W Power Supply Unit is fully modular. It features the ATX 3.0 interface, making the PCIe 5.0 connectors compliant with this unit. The connectors are plugged into the PSU with good cable management. Being certified with 80 plus Gold level, this unit offers a minimum efficiency of 87%. It supports the standard 100-240V AC power input while the DC-DC converter keeps the power supply stable for all components.

This unit easily fits most of the PC cases, due to the ATX form factor. The built-in fan has a zero rpm mode to silently cool down the heated components of the PSU. The 100% 105-degree Celsius Japanese capacitors ensure a longer life of PSU. It is designed to work on lower loads along with a standby feature for quickly waking up from sleep. A warranty period of 10 years makes it easy to use the PSU for a long time.

Best Features:

A 1000W power supply unit from Corsair
Full modular and complaint to the ATX 3.0 standards
Supports connectivity with PCIe 5th gen connectors
Certified with 80 plus Gold level for a minimum efficiency of 87 percent
Compatible with 24-pin ATX, PCIe, SATA, etc connectors
A cooling fan with zero rpm mode
The Japanese capacitors are rated for 105 degree Celsius temperature
Comes with a warranty of 10 years

Pros:

It features a standby mode to quickly wake up the PSU from sleep
The working of the cooling fan is silent even under heavy loads
ATX form factor allows easy installation of this unit

Cons:

The length of connector cables is short

2. EVGA 1000W Power Supply

The first PSU on the list comes from EVGA, a well-known manufacturer of computer hardware components. Being an authorized partner of Nvidia, it has developed a range of products that suits the demands of modern PC enthusiasts.

The EVGA SuperNOVA G5 1000W Power Supply Unit is an 80 plus Gold certified unit. With an efficiency of 91%, this PSU converts 100-240V AC power into usable DC power. The DC to DC converter keeps the power supply stable at a 3.3V to 5V level. It comes equipped with Japanese capacitors to ensure good performance in the long run. With cleaner cable management, this modular unit fits any computer case easily due to the ATX form factor.

The standard 24-pin ATX, EPS, PCIe, SATA, peripheral, and floppy connectors help connect PSU and the circuit board. The 135 mm fluid dynamic bearing fan quickly cools down the PSU under loading conditions. With safety and security features like OVP, OCP, SCP, etc, the unit is kept away from electrical damage. A 10-year warranty assures peace of mind to the user.

Best Features:

A 1000W power supply unit from EVGA
Fully modular and comes with a 24-pin ATX, 8-pin EPS, 8-pin PCIe, SATA, 4-pin peripheral, and a floppy connector
Certified with 80 plus Gold level for 91% efficiency
A silent 135 mm cooling fan with fluid dynamic bearing
Comes with a 10-year warranty

Pros:

It comes with various safety features to prevent electrical hazards and damages
It reduces wastage of power at full loading conditions
Smaller in dimension and hence easy to install

Cons:

It does not have a standby mode for sleep and wake-up feature

3. GAMEMAX 1000W Power Supply

GAMEMAX makes gaming gear loved by gamers for its advanced tech and cool looks. In this context of finding the best PSUs for high-powered PCS, its RGB-1050 is quite impressive. It’s all about top performance and style. This power supply unit (PSU) is 80 plus Gold certified, meaning it’s super efficient, hitting up to 90% peak efficiency. Using fancy LLC and DC-DC tech, it turns AC power into usable DC power, keeping your system running smoothly. Plus, it’s got all the connectors you need for your components, neatly arranged.

And let’s talk looks. The RGB lights on this PSU are customizable with software, syncing up with your motherboard lights to create 25 different patterns. And to keep things cool, there’s a quiet 140 mm fan with a special hydraulic bearing. And here’s the kicker: it comes with a 10-year warranty, so it’ll keep your system powered up for ages.

Best Features:

1000W power supply unit
Fully modular with support for ATX12V and PCI Express connectors
80 plus Gold level certification for 90% efficiency
A 140mm cooling fan to control the temperature of the PSU
Built-in ARGB lights with 25 lighting modes
Equipped with LLC and DC-DC technologies for effect conversion and delivery of power supply
Comes with a 10-year warranty

Pros:

The ARGB light setup makes the OSU look aesthetically immersive
It can be paired with top-end gaming systems where a high amount of power is included

Cons:

The fan sometimes gets noisy at full loads

4. ARESGAME 1000W Power Supply

ARESGAME is also a manufacturer of various computer components. Its product range mainly contains power supply units and cooling systems. All these products are built up to industrial standards and offer good durability.

The ARESGAME AGT Series 1000W Power Supply Unit is a budget-oriented option. This PSU is certified with 80 plus Gold level to deliver efficiency of 90%. With the help of APFC and LLC technology, the power conversion and supply are handled. The DC-DC conversion further helps in the delivery of a stable power supply to all the connected components. Being fully modular, this PSU helps in keeping the cables away from creating a mess.

For easy access to other components, it supports VGA card with PCI-E 6+2pin connector. The cooling system consists of a fan circling fresh air into the PSU body. With a compact size, this unit blends with all components. The PSU has an added layer of safety and protection features like OVP, OPP, SCP, etc. In case the safety layer somehow fails, this unit comes with a 10-year warranty.

Best Features:

1000W power supply unit running on 100V-240V AC input
Fully modular and comes with 24-pin ATX, 4-pin FDD, 8-pin PCIe, SATA, and 8-pin CPU connector
Certified with 80 plus Gold level for 90% efficiency
Includes a cooling fan with intelligent fan speed control, quiet and durable
Uses technologies like APFC, LLC, and DC-DC conversion for efficient handling of power supply
Safety features like OVP, OPP, SCP, etc are offered to prevent thermal, electrical, and other types of damages

Pros:

It comes with multiple safety layers against all types of damages
The length of the cables is longer, making it easy to manage them
It is the cheapest option on the list

Cons:

It sometimes experiences noise in the power supply at heavy loading conditions

5. Thermaltake 1000W Power Supply

Thermaltake is known for its high-performance computer components and peripherals. Being a part of the e-sport culture, it has successfully developed a range of performance-oriented products.

The Thermaltake Toughpower GF3 1000W Power Supply Unit is compatible with Intel ATX 3.0 standard. As a result, a separate PCIe gen 5.0 12VHPWR connector can be used to power the GPU. This PSU uses a 100% Japanese capacitor rated for 105 degrees Celsius to keep the converted DC power stable. Being a modular unit, this PSU can be installed without creating messy cable connections.

Speaking about power conversion, this unit is certified with 80 plus Gold level. At a 100% loading condition, this power supply unit will efficiently convert 87% of the input power. The cooling system contains a fan that forces cooling air around the heated part. This helps in keeping the temperature of the PSU under control.

Best Features:

A 1000W power supply unit from Thermaltake
Fully modular design and compliant with Intel ATX 3.0 standards
Compatible with 5.0 PCIe 12VHPWR (12+4 pin) connector
80 plus Gold level certification for 87% efficiency
Fitted with 100% Japanese 105-degree Celsius capacitor
Features ultra-quiet 135 mm fan for cooling
Comes with a warranty of 10 years

Pros:

It works efficiently, even at the full loading condition
The connectors are compatible with gaming applications
The suppression of noise in the power supply is efficiently maintained

Cons:

It does not offer multiple PCIe cables

6. ASUS 1000W Power Supply

With the ROG sub-brand, Asus has developed a number of products for gaming enthusiasts. With the help of innovation, Asus has been delivering high-quality products. Its PSU range is known for performance and reliability.

The Asus ROG-STRIX-1000G 1000W Power Supply Unit is suitable for higher operational temperatures. Featuring a 0dB technology, this unit offers 2 modes of cooling. The heat sinks take care of the lower temperature range by allowing maximum surface area for cooling air. The 135 mm fan silently forces the heat out when the temperature rises. Regarding electrical performance, this PSU is certified with 80 plus Gold level for an efficiency of 87% at full load.

It is a fully modular unit that makes cable management easy. Speaking about cables, it comes with the following connectors: 24-pin ATX (motherboard), 8-pin PCI-e, SATA, and 8-pin CPU connectors. With a 10-year warranty, the user can repair any damages caused to the PSU. Asus also provides a magnetic logo and stickers to customize the outer look of the PSU.

Best Features:

A 1000W power supply unit from Asus
Fully modular and comes with 24-pin ATX, 8-pin PCIe, SATA, and 8-pin CPU connectors
Certified with 80 plus Gold level for 87% efficiency
Features heat sinks and a 135 mm axial-tech fan for efficient cooling
Comes with a warranty period of 10 years

Pros:

It has a very good cooling systems
A lightweight construction allows easy transport and installation of PSU
It comes with many options to improve the outer looks of the PSU

Cons:

It does not use the Japanese capacitor

7. XPG 1000W Power Supply

The XPG Power Supply is designed with ATX 3.0 standards. ensuring it works well with your system. Its 1000-watt capacity is perfect for powerful components, making it popular among gamers, creators, and PC fans.

It’s super efficient, certified GOLD by 80 PLUS and Cybernetics. Plus, it’s fully modular, so you can manage cables your way, keeping things tidy and airflow smooth in your PC.

Best Features:

Intel ATX 3.0 Design Guide Compliant with a 12VHPWR (12+4) Connector
Certified GOLD efficiency by both 80 PLUS and Cybenetics
100% Japanese 105℃ Capacitors deliver stability and reliability.
Ample 1000-watt power output for high-performance PCs.
Fully modular design for easy customization and cable management.
Reliable and stable performance for long-term use.

Pros:

Stable power delivery.
Premium build quality.
Lightweight and Quiet operation.

Cons:

The fan produces noise when operating at lower loads.

8. Be quiet! 1000W Power Supply

Be quiet! is a premium brand known for its high-quality computer hardware components. Focusing on quality and precision, it has developed products like PSUs, cooling systems, and other computer-related parts.

The Be Quiet! Straight Power 11 BN644 1000W Power Supply Unit is one of the most efficient PSUs on the list. It is certified with 80 plus Platinum level for a maximum efficiency of 94.1 %. It uses LLC and SR technology to keep the power signal stable. The DC-DC conversion checks voltage regulation to deliver enough power to all components. Being a modular unit, the installation of this PSU leaves more escape for air circulation and cleaning activities.

With the help of 24-pin ATX, 8-pin EPS, 8-pin ECIe, SATA, and 8-pin CPU connectors, each component is connected to the PSU. To enhance the reliability and durability of this unit, it is fitted with a Japanese capacitor rated for 105 degrees Celsius. A 135 mm fan silently works to cool down the heated surfaces of this PSU. It comes with a 5-year warranty period to ensure the repair of the damaged parts of the PSU.

Best Features:

1000W power supply
Fully modular and comes with 24-pin ATX, 8-pin EPS, 8-pin ECIe, SATA, and 8-pin CPU connectors
Certified with 80 plus Platinum level for 94.1% efficiency
Features a 135 mm fan to cool heated surfaces
Comes with a Japanese capacitor rated for 105 degrees Celsius
Equipped with SR and LLC technology for a stable supply of power
DC to DC conversion to regulate the voltage output
Cooling a silent 135 mm fluid dynamic bearing fan for cooling
Comes with a warranty of 5 years

Pros:

It is one of the well-built units on the list
It comes with certain safety features to keep the PSU from any type of damage in a longer run
The specifications of this PSU make it suitable for further upgrades

Cons:

It has a shorter warranty period as compared to the other option

9. Pystar 1000W Power Supply

Pystar creates dependable products using top-notch materials, aimed at enhancing gaming experiences while prioritizing user safety. Take the Pystar ES-1000 1000W Power Supply Unit, for instance. Despite being one of the more affordable options, it boasts an 80 plus Gold certification, ensuring up to 90% peak efficiency.

Its DC-DC structure guarantees stable power delivery to your devices, and being modular, cable management is a breeze. With connectors like 24-pin ATX, 8-pin PCIe, 8-pin CPU, floppy, and Sata, compatibility is covered. Under intense use, the PSU’s cooling system kicks in, efficiently reducing internal temperatures with a 140mm fan. To bolster safety, it incorporates five protective features, and there’s a reassuring 10-year warranty for peace of mind in case of any mishaps.

Best Features:

A 1000W power supply unit from Pystar
Fully modular and supports 24-pin ATX, 8-pin PCIe, 8-pin CPU, floppy, and Sata connectors
Certified with 80 plus gold level for 90% efficiency
Features DC-DC conversion to deliver stable power to the components
A built-in 140mm cooling fan for efficient removal of heat
Protected with 5 safety features
Comes with a 10-year warranty

Pros:

The PSU is compatible with a wide range of connectors
The fan offers quick removal of heat
It is one of the budget-friendly options on the list

Cons:

There are no arrangements for external RGB lights

10. Seasonic 1000W Power Supply

Being one of the most experienced brands, Seasonic has adopted innovative technologies to develop products. With the expansion of the power supply products, it became a leading manufacturer of PSU for PC. High-quality and performance is the identity of its product range.

The Seasonic PRIME SSR-1000TR 1000W Power Supply Unit has a micro-tolerance load regulation feature. It helps regulate the output voltage under 0.5% to keep the PSU stable at high-performance conditions. To further improve the performance without wasting power, this unit comes with 80 plus Titanium certifications. The PSU shows an efficiency of 90 % at 100 % load. Being a fully modular unit, it becomes easy to manage the cables connected to this PSU.

A hybrid fan is installed inside the PSU’s body as part of the cooling system. Whenever heat goes beyond a set limit, this fan creates a forced circulation to force the heat out of the PSU’s body. The ATX form factor makes it compatible with installation in tight spaces. It features ATX12V and EPS12V connectors to easily connect the CPU and other components with the PSU. A 12-year warranty is provided with this unit to ensure repairs on the damaged parts.

Best Features:

A 1000W power supply unit from Seasonic
Designed with micro tolerance load regulation to regulate the output voltage
Fully modular with support for ATX12V and EPS12V connectors
Certified with 80 plus Titanium level and delivers a maximum efficiency of 90% at 00% load
Features a hybrid fan as a part of the cooling system
Comes with a warranty of 12 years

Pros:

It is suitable for high-performance applications
It uses premium and high-quality materials
The regulation of voltages is efficient and saves components from electrical damage

Cons:

This PSU is priced higher than other options

11. MONTECH 1000W Power Supply

Telon created the MONTECH brand specifically for PC gamers. They make top-quality parts for modern gaming setups. Their MONTECH Titan Gold 1000W Power Supply Unit is made for powerful gaming rigs. It meets the Intel ATX 3.0 standard and has 5th gen PCIe 12VHPWR connectors. It’s 80 plus Gold certified, meaning it’s efficient, delivering 87% power to your components. Plus, it’s modular, making cable management easier.

This unit is perfect for high-performance gaming because it has an effective cooling system. It features a 135mm FBD fan that quietly cools the PSU. Inside, there’s a 105-degree Celsius Japanese capacitor, LLC, SR, and DC-DC tech for stable power delivery. It also has six safety features to prevent damage, backed by a 10-year warranty for peace of mind.

Best Features:

A 1000W power supply unit
Fully modular and compliant with Intel ATX 3.0 standards
Supports PCIe 5th gen 12VHPWR (12+4 pin) connector
80 plus Gold level certification for 87% efficiency
Equipped with 105-degree Celsius Japanese capacitor, SR, LLC, and DC-DC technology
A 135mm cooling fan to remove excess heat
6 different safety features to prevent damage to the PSU
Comes with a 10-year warranty

Pros:

It is compliant with PC systems that use high-end GPUs
A compact size allows easy installation in a tighter space
The output power supply is maintained at a stable level with the help of various technologies

Cons:

The cooling fan gets noisy at higher loads