Original: $600.00
-65%$600.00
$210.00The Story
Introducing the Signature 2200 Platinum ATX 3.1 Power Supply. The Signature 2200 Platinum ATX3.1 is Antec’s high-performance ATX 3.1 power supply, designed to support modern, power-demanding systems. It features key industry standards including ATX 3.1 and PCIe 5.1 compliance, 100% high-quality Japanese capacitors, fully modular cabling, and up to 94% efficiency certified by 80 PLUS® Platinum. Built for reliability and efficiency, the Signature 2200 is a solid foundation for advanced PC builds.
With robust GPU support, server-grade PhaseWave™ design, and quiet thermal performance, this power supply is engineered for AI computing, professional workloads, workstations, and next-generation PC enthusiasts. Delivering reliable, high-efficiency power, it’s ideal for AI-driven applications.
- ATX 3.1 & PCIe 5.1 Compatible
Fully compliant with the latest ATX 3.1 standard, the Signature 2200 ensures top-tier reliability and power efficiency. The bundled PCIe 5.1 12V-2x6 GPU cables provide robust support for modern high-performance graphics cards.
- 100% High-Quality JP Capacitors
Built entirely with premium Japanese capacitors, the Signature 2200 Platinum ATX3.1 delivers ultra-tight voltage regulation, minimal ripple, and long-term stability.
- PhaseWave TM Design
Server-grade full-bridge LLC architecture with synchronous rectification and DC-DC topology ensures consistently efficient and stable power delivery across all rails.
- CircuitShieldTM
The full suite of industrial-grade protections includes OCP, OVP, UVP, SCP, OPP, OTP, SIP, and NLO, providing the best dependability for your power supply in any situation.
- 12-Year Warranty
Pushing the standard for excellence with the full-suite industrial protections, backed by a 12-year warranty duly committed by Antec.
- Zero RPM Manager
Smart fan control system with a true fan-off mode during low power draw, ensuring silent operation and extended fan lifespan.
- 135mm FDB Silent Fan
Equipped with a whisper-quiet 135mm fluid-dynamic bearing fan for high airflow, durability, and near-silent operation even under load.
- Full Modular Cable Management
Reduces cable clutter and improves airflow with fully modular cables. Use only what you need for a clean, streamlined build and optimal thermal performance.
- Compact High-Power Design
Delivering up to 2200W of power, the Signature 2200 Platinum ATX 3.1 is built in a compact chassis, allowing for greater compatibility with a wide range of high-end cases compared to many other high-wattage PSUs.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Introducing the Signature 2200 Platinum ATX 3.1 Power Supply. The Signature 2200 Platinum ATX3.1 is Antec’s high-performance ATX 3.1 power supply, designed to support modern, power-demanding systems. It features key industry standards including ATX 3.1 and PCIe 5.1 compliance, 100% high-quality Japanese capacitors, fully modular cabling, and up to 94% efficiency certified by 80 PLUS® Platinum. Built for reliability and efficiency, the Signature 2200 is a solid foundation for advanced PC builds.
With robust GPU support, server-grade PhaseWave™ design, and quiet thermal performance, this power supply is engineered for AI computing, professional workloads, workstations, and next-generation PC enthusiasts. Delivering reliable, high-efficiency power, it’s ideal for AI-driven applications.
- ATX 3.1 & PCIe 5.1 Compatible
Fully compliant with the latest ATX 3.1 standard, the Signature 2200 ensures top-tier reliability and power efficiency. The bundled PCIe 5.1 12V-2x6 GPU cables provide robust support for modern high-performance graphics cards.
- 100% High-Quality JP Capacitors
Built entirely with premium Japanese capacitors, the Signature 2200 Platinum ATX3.1 delivers ultra-tight voltage regulation, minimal ripple, and long-term stability.
- PhaseWave TM Design
Server-grade full-bridge LLC architecture with synchronous rectification and DC-DC topology ensures consistently efficient and stable power delivery across all rails.
- CircuitShieldTM
The full suite of industrial-grade protections includes OCP, OVP, UVP, SCP, OPP, OTP, SIP, and NLO, providing the best dependability for your power supply in any situation.
- 12-Year Warranty
Pushing the standard for excellence with the full-suite industrial protections, backed by a 12-year warranty duly committed by Antec.
- Zero RPM Manager
Smart fan control system with a true fan-off mode during low power draw, ensuring silent operation and extended fan lifespan.
- 135mm FDB Silent Fan
Equipped with a whisper-quiet 135mm fluid-dynamic bearing fan for high airflow, durability, and near-silent operation even under load.
- Full Modular Cable Management
Reduces cable clutter and improves airflow with fully modular cables. Use only what you need for a clean, streamlined build and optimal thermal performance.
- Compact High-Power Design
Delivering up to 2200W of power, the Signature 2200 Platinum ATX 3.1 is built in a compact chassis, allowing for greater compatibility with a wide range of high-end cases compared to many other high-wattage PSUs.

