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Corsair Obsidian 750D Case Review

We are using a Phanteks PH-TC14PE to keep our Intel Core i7 3770k cool and perform our tests with the CPU at its default clock speed before then overclocking it to 4.6GHz with the voltage set to 1.3v.

Test System:

  • Processor: Intel Core i7 3770k
  • Motherboard: Asus P8Z77-V LX2
  • Memory: 16GB G.Skill Ares Blue
  • Graphics Card: Sapphire HD 7790 2GB GDDR5 OC
  • Power Supply: OCZ ZT Series 550W
  • Chassis: Corsair Obsidian 750D
  • Monitor: Acer X243HQ
  • Boot Drive: Intel SSD 510
  • Storage Drive: 2TB Seagate Barracuda

System validation can be found here.


  • CPUID HW Monitor 1.23
  • CPUID CPU-Z 1.65
  • Prime95 v27.1
  • Furmark 1.11.0

We are testing the Corsair Obsidian 750D’s performance as follows:

  • Room temperature is kept at 22° throughout our tests.
  • The CPU Fan is set to 100% to eliminate inconsistencies as a result of PWM control.
  • Idle temperatures are obtained after booting the PC and idling on the desktop for 30 minutes.
  • CPU load temperatures are obtained after running Prime95′s Small FTTs test for 15 minutes.
  • GPU load temperatures are obtained after running Furmark’s Burn-In Test for 15 minutes.
  • To measure noise levels we disable the CPU fans and GPU fan.

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