Corsair VX450W 450W Power Supply

Article Index

Test Information

Test System Details
Specifications and Revisions

Light System Configuration

  • Intel Pentium E2140 (1.6 GHz / 1 MB L2)
  • eVGA Nvidia nForce 650 Ultra Motherboard
  • Kingston HyperX DDR2-800 Memory (2 x 1 GB, CAS 4-4-4-16)
  • Nvidia GeForce 7600GS 51 2MB
  • Maxtor DiamondMax 10 Serial ATA Hard Disk
  • Plextor PX-755SA DVD+/-RW Drive
  • Microsoft Windows Vista Ultimate Edition (32-bit)

Mid-Range System Configuration

  • Intel Core 2 Duo E6600 (2.4 GHz / 4 MB L2)
  • eVGA Nvidia nForce 680i LT SLI Motherboard
  • Kingston HyperX DDR2-800 Memory (2 x 1 GB, CAS 4-4-4-16)
  • ATI Radeon X1950 GT 256 MB
  • Maxtor DiamondMax 10 Serial ATA Hard Disk
  • Plextor PX-755SA DVD+/-RW Drive
  • Microsoft Windows Vista Ultimate Edition (32-bit)

We tested this power supply by pitting it against its older, but higher wattage sibling, the Corsair HX620W. We also threw in an Antec TruePower 550W EPS12V power supply to see how a fairly “standard” power supply design stands up. We tested the power supplies by recording their AC watt usage with a dedicated hardware watt meter which monitored total system power consumption.

Ideally, we want the power supplies to consume as little power as possible. Lower wattage levels show the efficiency of the power supplies in these various scenarios. Lower power consumption generally also leads to less heat production and less noise creation (fans don’t have to spin as fast to cool the unit).


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