SF Series SF450 - 450 Watt 80 PLUS Gold Certified High Performance SFX PSU 

SF Series™ power supplies bring legendary CORSAIR performance and reliability to the SFX small form factor standard with 80 PLUS Gold certification, Zero RPM mode, and 100% 105°C Japanese electrolytic capacitors.




The Small Form Factor Power Supply for Your Big Ideas

SF Series power supplies bring legendary Corsair performance and reliability to the SFX small form factor standard. They have the features found in full-size high performance power supplies, with certification for 80 PLUS Gold efficiency, superior voltage regulation, Zero RPM mode for virtually silent operation, and 105°C All Japanese capacitors for better reliability.




80 Plus Gold Certified

If you’re building a small system that’s going to see a lot of use, low heat generation and high efficiency are essential. SF Series power supplies operate at greater than 90% efficiency at 50% load on 115V circuits.




SFX Form Factor

SF Series is designed to the SFX power supply specification for high performance small form factor systems.




Fully Modular Cable Set

The detachable DC cables make builds and upgrades easy, with clean, great-looking results. Use only the power cables you need lets you save valuable internal space and can improve system airflow.




100% All Japanese 105C Capacitors

Premium internal components ensure solid power delivery and long term reliability.




Zero RPM Fan Mode

Building a silent PC? SF Series power supplies are so efficient that the fan doesn’t need to spin at low to medium loads

Corsair 450W High Performance SFX SF450 PSU, Rifle Bearing Fan, Fully Modular


Product Description

Corsair 450W High Performance SFX SF450 PSU, Rifle Bearing Fan, Fully Modular, 80+ Gold

Form Factor



Corsair SF


Fully Modular


ATX12V v2.4 and EPS12V 2.92


450 W


1 x 4+4-pin CPU +12V (EPS)
4 x 4-pin Molex
2 x 6+2-pin PCIe
4 x SATA

Rail Design

Single Rail


Active PFC

Fan Type

92mm Rifle Bearing fan

Fan Bearing

Rifle Bearing



80+ Certification

80+ Gold


Up to 85%


100,000 hours


See Overview

Package Contents

SF Series High-Performance SFX Power Supply
AC power cord
DC Modular cable set
DC Modular cable storage bag
Cable ties
Corsair case badge
User Manual


100 x 63 x 125mm

Package Weight

1.8750 kg


7 Years