- Processors - Desktops
- Processors - Servers
- Processors - Mobile
- CPU Fans & Heatsinks
- Thermal Compound / Grease
- Water / Liquid Cooling
- DIY Cooling
- Desktop Memory
- Laptop Memory
- Mac Memory
- Server Memory
- System Specific Memory
- Memory Cards
- USB Flash Drives
- AMD Motherboards
- Intel Motherboards
- Embedded Solutions
- Server Motherboards
- Development Boards
- Motherboard Accessories
- Add-On Cards
- CPU Fans & Heatsinks
- Internal Power Cables
- Processors - Desktops
- Processors - Servers
- Processors - Mobile
- CPU Fans & Heatsinks
- Thermal Compound / Grease
- Water / Liquid Cooling
- DIY Cooling
- Desktop Memory
- Laptop Memory
- Mac Memory
- Server Memory
- System Specific Memory
- Memory Cards
- USB Flash Drives
- AMD Motherboards
- Intel Motherboards
- Embedded Solutions
- Server Motherboards
- Development Boards
- Motherboard Accessories
- Add-On Cards
- CPU Fans & Heatsinks
- Internal Power Cables
Antec CSK550 AU, 550W, 80 Plus Bronze, Fan: 120mm, ATX,
$94.49
Out of Stock
Freight Calculator
- •Brand: Antec
- •Warranty: 3 Years
- •Model: 99X349441
The Antec Signature Series 550W Power Supply is designed for enthusiasts and gamers, featuring a FDB 135mm Silent Fan, Zero RPM Mode, 100% Top-Grade Japanese Capacitors, PhaseWavetm Design, OC Linktm Feature, 10-year Warranty, and Full Modular Cable Management. This power supply offers unparalleled stability and efficiency for reliable and efficient PC systems.
Need Help or Found it Cheaper?
Chat with our experts for product advice or price matching on genuine written quotes.
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. Signature Series are a great choice for a reliable and efficient PC system for gamers and professionals.
FDB 135mm Silent Fan
Featuring whisper-quiet, fluid dynamic bearing 135mm fan 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 you need it.
100% Top-Grade Japanese Capacitors
Achieve unprecedented tight voltage regulation & low ripple
& noise to maximize your system’s performance.
PhaseWavetm Design
A server-class full-bridge LLC design with a synchronous rectification based on a DC-DC topology.
OC Linktm Feature
Allows 2 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 circuit shield suite of industrial protections and is backed by a 10-year warranty.
Full Modular Cable Management
Enables users to use only the cables which are needed and help clear out excess cables that can obstruct and reduce airflow.
FDB 135mm Silent Fan
Featuring whisper-quiet, fluid dynamic bearing 135mm fan 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 you need it.
100% Top-Grade Japanese Capacitors
Achieve unprecedented tight voltage regulation & low ripple
& noise to maximize your system’s performance.
PhaseWavetm Design
A server-class full-bridge LLC design with a synchronous rectification based on a DC-DC topology.
OC Linktm Feature
Allows 2 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 circuit shield suite of industrial protections and is backed by a 10-year warranty.
Full Modular Cable Management
Enables users to use only the cables which are needed and help clear out excess cables that can obstruct and reduce airflow.
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. Signature Series are a great choice for a reliable and efficient PC system for gamers and professionals.
FDB 135mm Silent Fan
Featuring whisper-quiet, fluid dynamic bearing 135mm fan 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 you need it.
100% Top-Grade Japanese Capacitors
Achieve unprecedented tight voltage regulation & low ripple
& noise to maximize your system’s performance.
PhaseWavetm Design
A server-class full-bridge LLC design with a synchronous rectification based on a DC-DC topology.
OC Linktm Feature
Allows 2 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 circuit shield suite of industrial protections and is backed by a 10-year warranty.
Full Modular Cable Management
Enables users to use only the cables which are needed and help clear out excess cables that can obstruct and reduce airflow.
FDB 135mm Silent Fan
Featuring whisper-quiet, fluid dynamic bearing 135mm fan 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 you need it.
100% Top-Grade Japanese Capacitors
Achieve unprecedented tight voltage regulation & low ripple
& noise to maximize your system’s performance.
PhaseWavetm Design
A server-class full-bridge LLC design with a synchronous rectification based on a DC-DC topology.
OC Linktm Feature
Allows 2 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 circuit shield suite of industrial protections and is backed by a 10-year warranty.
Full Modular Cable Management
Enables users to use only the cables which are needed and help clear out excess cables that can obstruct and reduce airflow.
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. Signature Series are a great choice for a reliable and efficient PC system for gamers and professionals.
FDB 135mm Silent Fan
Featuring whisper-quiet, fluid dynamic bearing 135mm fan 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 you need it.
100% Top-Grade Japanese Capacitors
Achieve unprecedented tight voltage regulation & low ripple
& noise to maximize your system’s performance.
PhaseWavetm Design
A server-class full-bridge LLC design with a synchronous rectification based on a DC-DC topology.
OC Linktm Feature
Allows 2 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 circuit shield suite of industrial protections and is backed by a 10-year warranty.
Full Modular Cable Management
Enables users to use only the cables which are needed and help clear out excess cables that can obstruct and reduce airflow.
FDB 135mm Silent Fan
Featuring whisper-quiet, fluid dynamic bearing 135mm fan 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 you need it.
100% Top-Grade Japanese Capacitors
Achieve unprecedented tight voltage regulation & low ripple
& noise to maximize your system’s performance.
PhaseWavetm Design
A server-class full-bridge LLC design with a synchronous rectification based on a DC-DC topology.
OC Linktm Feature
Allows 2 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 circuit shield suite of industrial protections and is backed by a 10-year warranty.
Full Modular Cable Management
Enables users to use only the cables which are needed and help clear out excess cables that can obstruct and reduce airflow.
Zotim is a trading name of Zcompute Pty Ltd (ABN 94 613 746 535) — © 2025 Zcompute Pty Ltd. All rights reserved.