
Antec SIGNATURE X8000A505-18 Power supply 1000 W 20+4 pin ATX ATX Black
1000 W
On this page you’ll find a ranking of the best Power Supplies PC from Antec. To give you a quick overview, we’ve added the most important product details. This page always stays fresh and updates automatically.
Equipped with superior features that ensure peak performance for the enthusiast and gaming-oriented segment, the Signature power supply series boasts unparalleled stability and 80 PLUS Platinum-certified efficiencies. Advanced thermal control with the Zero RPM mode enables the optimal balance between silence and cooling. The CircuitShield suite of industrial-grade protections ensures that the power delivered to your system is safe and reliable in any environment. The Signature series is a great choice for a reliable and efficient PC system for gamers and professionals.
FDB 135mm silent fan
Featuring a whisper-quiet, fluid dynamic bearing 135mm fan that provides high airflow with durability and longevity.
Zero RPM mode
The Zero RPM fan mode further ensures a longer-lasting and quieter system by using thermal sensors to activate the fan only when needed.
100% top-grade Japanese capacitors
Achieve unprecedented tight voltage regulation and low ripple and noise to maximize your system’s performance.
PhaseWave design
A server-class full-bridge LLC design with synchronous rectification based on a DC-DC topology.
OC Link feature
Allows two Signature PSUs to work in tandem to power the most demanding systems.
10-year warranty
This new PSU line from Antec pushes the standard for excellence with the CircuitShield suite of industrial protections and is backed by a 10-year warranty.
Full modular cable management
Enables users to use only the cables that are needed and helps clear out excess cables that can obstruct and reduce airflow.

Antec SIGNATURE X8000A505-18 Power supply 1000 W 20+4 pin ATX ATX Black
1000 W
Antec power supply for reliability you and your system can count on. Introducing the GSK ATX 3.1 power supply, designed for ultimate performance and stability for gamers and enthusiasts. With advanced features such as ATX 3.1 and PCIe 5.1 support, high-quality Japanese capacitors, exceptional stability, and 80 PLUS Gold certified efficiency, you can expect excellent power delivery for your system. The PhaseWave design ensures consistent, reliable performance, while the 120mm FDB fan provides efficient and quiet cooling. The fully modular design allows for easy cable management and customization, and the Zero RPM Manager enables advanced temperature control to balance quiet operation with effective cooling. At the same time, the CircuitShield suite with industrial-grade protection mechanisms ensures a safe and reliable power supply in any environment. The GSK ATX 3.1 is the ideal choice for building a powerful, efficient, and reliable PC for gamers and professionals.

The Antec GSK750 V2 EC is a 750-watt power supply for modern computer systems, featuring 80 Plus Gold certification for energy efficiency and up to 90 percent efficiency under typical load. This fully modular ATX power supply supports the latest ATX-3.1 standard, ensuring compatibility with current components, including high-performance graphics cards and processors. The 80 Plus Gold rating indicates reliable power delivery with minimal energy loss, making it suitable for gaming systems and professional workstations. High-quality Japanese capacitors provide durability and long-term stability with consistent voltage regulation across all rails. The fully modular cable management allows for connecting only the necessary cables, reducing cable clutter and improving airflow within the case. A 135mm fan with fluid bearing offers efficient cooling with quiet operation and automatic speed adjustment based on temperature and load requirements. Comprehensive protection circuits include overvoltage, undervoltage, overcurrent, overpower, short circuit, and overtemperature protection to safeguard connected components. Standard connections include a 24-pin ATX, 8-pin EPS for processor power, multiple PCIe connections for graphics cards, SATA connections for storage devices, and peripheral connections. With dimensions of 150 mm width, 86 mm height, and 140 mm depth, the power supply fits into standard ATX cases and provides ample power for mid-range to high-end systems. The black finish and clean cable management contribute to an organized appearance. The operating temperature range is between 0 degrees Celsius and 40 degrees Celsius, with maximum efficiency at 50 percent load. This power supply is designed for reliable performance in demanding computer environments, where stable power delivery is crucial for system integrity and component lifespan.

The Antec GSK ATX 3.1 power supply with a power output of 750 watts provides a reliable and efficient power supply for PC systems. With its 80 PLUS Gold certification, it ensures high energy efficiency, contributing to reduced power consumption and heat generation. The power supply features modular cable management, allowing for flexible and tidy wiring. Active cooling with a 120 mm fan ensures optimal temperature control, while various protection features such as OVP, OCP, and SCP guarantee system safety. The Antec GSK ATX 3.1 is therefore an excellent choice for demanding users who value performance and efficiency.
- 80 PLUS Gold certification for high energy efficiency
- Modular cable management for flexible wiring
- Active cooling with a 120 mm fan
- Comprehensive protection features (OVP, OCP, SCP)
- Suitable for ATX motherboards.

The new generation of Antec's CSK DC to DC power supply is designed for quality, efficiency, and performance. Featuring a DC-to-DC architecture, 80 PLUS Bronze certification, and quiet 120mm fans, the brand-new CSK750 DC to DC comes with Antec's solid 5-year warranty. The CircuitShield suite with industrial-grade protections ensures that the power delivered to your system is safe and reliable in any environment.
PCIe 5.1 Ready
The new CSK750 DC to DC meets high standards for reliability and energy efficiency, guaranteeing the highest level of quality and performance. The included PCIe 5.1 / 12V-2x6 GPU cable enables seamless compatibility with the latest graphics cards.
80 Plus Bronze Certified
With an efficiency of up to 88%, the CSK750 DC to DC utilizes active PFC, ensuring a cooler and quieter system powered by continuous performance.

The brand new NeoECO Gold Modular series is designed for those seeking the best DIY PC experience, offering exceptional performance and outstanding stability. With a 100% fully modular design and 80 PLUS Gold certification, the NeoECO Gold Modular series ensures a convenient and tidy installation of your PC hardware. It delivers highly efficient power to your system while helping to reduce electricity costs. The advanced thermal management with the Zero RPM mode allows the fan to turn off at low loads, ensuring absolute silence. Featuring a quiet 120 mm fan, the NeoECO Gold Modular optimizes the balance between cooling and noise generation. High-quality Japanese high-performance capacitors contribute to more stable performance. The CircuitShield design provides industrial-grade protection to keep your system safe in any environment. With a 7-year warranty, the NeoECO Gold Modular series is the ideal choice for professional modders and PC gamers.
120 mm quiet fan
Enhanced features for airflow and excellent durability.
Zero RPM mode
The Zero RPM fan mode automatically reduces the fan speed to zero at low loads, significantly minimizing noise and maintaining absolute silence.
Japanese high-performance capacitors
Japanese capacitors ensure stable DC regulation and stability, providing reliability you and your system can count on.
PhaseWave LLC + DC-to-DC design
A server-class half-bridge LLC design with synchronous rectification, based on a DC-DC topology to enhance performance and stability.
100% fully modular
Allows users to use only the cables they need, eliminating excess cables that could obstruct and reduce airflow.

Antec’s EarthWatts GOLD PRO is one of the most efficient PSU series ever created. With an 80 PLUS® GOLD rating, one of the highest efficiency marks for power supplies, this PSU achieves up to 91% efficiency and provides savings that are unmatched by other power supplies. By using the EarthWatts GOLD PRO, you can reduce your electricity bill by up to 20%. It comes with a 3-year Antec Quality warranty, hybrid modular cabling, and a whisper-quiet 120mm fan controlled by Antec’s renowned Thermal Manager and CircuitShield™ Industrial Grade protection, making EarthWatts GOLD PRO one of the best choices available. Get the power you need, save money, and help protect the environment with Antec’s EarthWatts GOLD PRO!.

The new Cuprum Strike Bronze power supply generation from Antec has been designed for quality, efficiency, and performance. With 80 PLUS Bronze certification, a quiet 120 mm fan, and Antec's 3-year warranty, the CSK Bronze offers a reliable solution. The CircuitShield™ suite with industrial protection measures ensures that the power supplied to your system is safe and dependable in any environment.
80 PLUS Bronze certified
With an efficiency of up to 88%, the CSK Bronze series utilizes active PFC, allowing for a cooler and quieter system powered by consistent performance.
3-year warranty
We stand behind the quality and safety of the CSK Bronze power supplies, offering a 3-year warranty on parts and labor, as well as unlimited access to our unmatched technical support and customer service.
120 mm Silent Fan
The 120 mm Silent Fan is ideal for quiet operation and has been designed for a longer lifespan to ensure hours of continuous use.

Antec’s new generation CSK DC to DC power supply is crafted for quality, efficiency, and performance. Featuring DC-to-DC architecture, 80 PLUS® Bronze certification, and quiet 120mm fans, the brand-new CSK DC series includes Antec’s solid 5-year warranty. The CircuitShield™ suite of industrial-grade protections ensures that the power delivered to your system is safe and reliable in any environment.
80 Plus® Bronze Certified
Delivering up to 88% efficiency, CSK650 DC to DC utilizes active PFC and gives you a cooler and quieter system, all powered by continuous power.
The full suite of industrial-grade protections includes OCP, OVP, UVP, SCP, OPP, OTP, SIP, and NLO, ensuring the safety and reliability of your power supply in any situation.
5-Year Warranty
Antec commits to a 5-year warranty and offers quality tech support and customer service.
120mm Silent Fan
The whisper-quiet 120mm fan provides high airflow with the durability and longevity that is an Antec signature.
Thermal Manager
Thermal Manager, an advanced low voltage fan control for optimal heat and noise management, allows your PSU to stay at the optimal temperature.
Compact Size
Compared to large power supplies on the market, it is smaller in size and can be used with a wider range of computer cases.

The Antec Neo ECO Modular NE1300G M ATX3.0 is a powerful PC power supply designed for demanding applications. With a total output of 1300 watts, it provides reliable power for high-performance computer components. The power supply supports a wide input voltage range of 100 to 240 V, making it suitable for use in various regions. Its modular design allows for flexible cable configuration, minimizing cable clutter in the case and improving airflow. The 80 PLUS Gold certification ensures high energy efficiency, leading to reduced operating costs and lower heat generation. With an active cooling system and a 12 cm fan, the power supply effectively dissipates heat even under heavy load. The Antec Neo ECO Modular NE1300G M is therefore an excellent choice for those who value performance, efficiency, and clean cable management.
- 80 PLUS Gold certification for high energy efficiency
- Fully modular cable management for easy installation
- Active cooling with a 12 cm fan for optimal temperature control
- Wide input voltage range of 100 - 240 V for global use
- Comprehensive protection features such as OVP, OPP, and SCP.

Antec Power supply NE1300G M EC ATX3.0 Modular (1300W) 80+ Gold retail
1300 W