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Case, Power Supply, Fan Reviews
  Product:     E-Power Tiger EP-550P5-T1 550w Modular PSU  
  Price:     $127 (CAN) / $110 (U.S)
  Supplied By:     E-Power Technology
  Author:     Skaal-Tel
  Date:     December 10th, 2005
  Rating:     star star star star star star star star

MODTHEBOX would like to thank Raymond from E-Power Technology for sending the Tiger EP-550P5-T1 550w Modular PSU for review.

E-Power Technology

Introduction:

With the advent of second generation video cards, such as the ATI 9000 series and NVIDIA 5000's, many consumers have found existing 300W budget power supplies to be the weakest link in a computer configuration. The introduction of more powerful video cards, such as x800's and 6800's, SLI and Crossfire setups with twin PCI Express components demand that existing power supplies require your immediate attention. Founded in 1990, E-Power Technology is a leader in high performance PC power supply technology. Headquartered in City of Industry, California, the company has grown from a small supplier of PC power supply into a diversified manufacturer of high technology products including PC gaming, server, workstation and industrial power supply. Today in the MTB Labs we will be evaluating the Tiger EP-550P5-T1 550w Modular PSU, the latest product offering from E-Power Technology.

Specifications:

E-Power Technology currently markets a wide variety of high-end power supply options, with offerings for gamers/overclockers, quiet PC fanatics, and modders. Most feature a slick nickel plated exterior and a cat's name on the box. The Tiger is the sole modular cable design option and clocks in around $100-110 USD for the 550W model. A 650W model is also available. Here are some specifications taken from the E-Power Technology website:

E-Power Tiger EP-550P5-T1 550w Modular PSU - Key Specifications:
E-Power Tiger EP-550P5-T1 550w Modular PSU : Manufactured by E-Power Technology
Model: EP-550P5-T1
Dimensions: 6.5' (L) x 6' (W) x 3.5' (H)
AC Input: 115-230Vac
Current (AMP): 10/6A
Frequency (Hz): 60/50Hz
DC Input: +3.3V +5V +12V1 +12V2 -12V -5V +5VSB
Max Output Current: 28A 48A 20A 20A 1.0A 0.8A 2.5A
Combined Wattage: 210W 35*A/40A 12W 4W 12.5W
Warranty: 3 Year Manufacturer

E-Power Tiger EP-550P5-T1 550w Modular PSU - Key Features:
E-Power Technology Silent Engine technology with 120mm cooling fan
EMI filter added PCIe power leads for SLI function
EZ cable plug for all power leads
Able to use in even IPC or storage cases not required a board to power up
20+4 Pin ATX connector and 4+4 connector to fit PCI-E and non PCI-E boards
Compatible with P4, AMD, Dual Xeon EPS 12V boards
Short Circuit Protection, Over Voltage Protection and Over Current Protection
UL, CE, CB, FCC certified
100% HI-POT tested
3 year limited warranty
Black mesh wrapped power leads and reflective nick coating chassis

E-Power Tiger EP-550P5-T1 550w Modular PSU
Click image for larger view
E-Power Tiger EP-550P5-T1 550w Modular PSU
Click image for larger view
 
The E-Power Tiger EP-550P5-T1 550w Modular PSU arrived in a colourful sleeve with product details over the usual corrugated cardboard box. The box lists all the supplied connectors, provides all relevant wattage information and also highlights the unique capacitive PCI-Express connectors. Despite the typo on the box some keen-eyed readers will no doubt have noticed, everything is favourable so far. The power supply arrived un-damaged, protected as it was within the usual bubble wrap.

E-Power Tiger EP-550P5-T1 550w Modular PSU
Click image for larger view
E-Power Tiger EP-550P5-T1 550w Modular PSU
Click image for larger view
 
Out of the box, the E-Power Tiger EP-550P5-T1 550w Modular PSU looks fairly snazzy, with an extremely reflective nickel coating, 120mm golden grill, and sleeved black cables. The reflective finish is mirror-perfect, and as such picks up fingerprints very easily. A nice lint free cloth will work wonders to keep your power supply looking good. The manual provided is comprehensive, legible and generally a solid step above most I've seen. Kudos to E-Power for this!

E-Power Tiger EP-550P5-T1 550w Modular PSU
Click image for larger view
E-Power Tiger EP-550P5-T1 550w Modular PSU
Click image for larger view
 
The cooling fan present in the Tiger EP-550P5-T1 is protected by a golden grill with a Silent Engine badge located in the center. When I opened up the casing to further investigate, I was disappointed to find a sleeve bearing clear 120mm fan which doesn even include LEDs. While being a 120mm design will make the power supply quieter than most OEM and 80mm fan power supplies, the sleeve bearing design is cheaper and more prone to failure than a ball bearing fan. The 120mm fan used in this PSU is a Globe fan model rated for 67 CFM with 34 dbA noise level at 2000 RPM.

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