Final Thoughts and Conclusions
The ABS Tagan ITZ1300 1,300W power supply is capable of delivering up to 1,300W of DC power and has some very good features.  The voltage regulation is excellent, the overall efficiency is good and the enclosure is relatively compact.  Under a moderate to light load the ITZ1300 is quiet and runs relatively cool.  The PSU comes fitted with a lot of connectors that can support multiple, high-end video cards.  And let’s not forget active PFC, fully sleeved cables, and that brilliant blue finish!

However, the high AC ripple on all of the DC outputs leads me to believe this platform is being pushed way too hard to obtain its 1,300W bragging rights. Having the AC ripple running high out of spec on nearly all of the DC outputs at high loads is unacceptable for a PSU that claims to be “guaranteed to outlast and outperform any other PSU in the market”.  And lets not forget Tagan’s 3-year parts, 1-year labor warranty; pretty lame IMHO.

The MSRP for the ABS Tagan ITZ1300 power supply is over $400 USD and our friends at Newegg have them available for $369.99.  While the ITZ1300 has some very good features, the high AC ripple on the DC outputs is a show-stopper for a power supply in this price range.

ABS Tagan ITZ Series 1300W Power Supply Review - Cases and Cooling 33

•    Up to 1,300W DC output
•    Very good voltage regulation
•    Quiet during normal operation (below 500W output)
•    Good efficiency (80 Plus certified)
•    Active PFC with universal AC input
•    Six +12V outputs, up to 92A combined
•    Six PCI-E connectors (four 6-pin and two 6/2-pin)
•    Brilliant blue mirror finish and fully sleeved cables

•    Excessive AC ripple on all DC outputs (out of spec at higher loads)
•    3-Year parts, 1-Year labor warranty

Our thanks to ABS Tagan for sending us the ITZ1300 PSU to review.  And if you have any questions or comments about the article, or would like to see what others have to say about the ITZ1300 PSU, just click into our Case, Cooling and Power Supply forum to join in the discussions!

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