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Bgears 550 Watt Tarantula Review

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So how did the big bad spider do in the testing? Pretty well, actually! When loading the system, the voltages rarely fluctuated from the readings at idle. The 12volt lines measured 12.10 volts each at idle and 12.09 volts under load. The 5volt and 3.3volt lines each had a fluctuation of only .01volts from idle to load. To say I was surprised is an understatement. The semi-modular design is different from other fully modular designs. The ATX 20+4 and 4+4 pin auxillary power are both non-modular connections. This is both a positive and negative in my opinion. Positive because there are no breaks in the wiring to cause power supply or regulation issues because of increased resistance. A negative for the fact that even with the breaks in the wiring with a fully modular power supply there have been no side effects from the break in the wiring to create the modular connections.

The finish appears to be baked on since I did not cause any damage while installing it or opening the Tarantula's case. With an efficiency rating of up to 86%, this unit could help out with the energy bills that only seem to be creeping upwards. If you need a power supply with tight voltage regulation, low noise (even under load) that can handle a newer rig with multiple video cards and a quad core CPU, you should give the Bgears Tarantula a look before you buy!



  • Functional
  • Good Looks
  • Power Regulation
  • Modular Design
  • High Efficiency
  • Sleeved Cables
  • 135mm Fan
  • Low Noise



  • Not Fully Modular


OCC Gold

  1. Introduction & Closer Look
  2. Closer Look (The Power Supply)
  3. Closer Look ( Accessories, Cables)
  4. Installation
  5. Specifications & Features
  6. Testing (Setup, Idle, Load, Airflow Testing)
  7. Conclusion
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