Specifications
Part Number: 100929300 Watt Bestec Power Supply

Following are the specifications for the 300 watt Bestec® power supply.
Specifications are subject to change without notice or obligation.

Feature Specification
Manufacturer Bestec
Manufacturer Model ATX-300-12E
Type OEM ATX12V
Dimensions (L × W × H) 5.5 × 5.9 × 3.4 inches (140 × 150 × 86 × mm)
Safety Certifications UL, CSA, TUV, CE
Efficiency 68% minimum at full load
Reliability > 50 K hours at 25° C ambient conditions.
AC Input Voltage 115/230 VAC with following characteristics:
  • Max current: 6/3 A
  • Frequency: 47-63 HZ
  • Protection: Internal fuse
AC Input is switch selectable between 115 V (100-127 V) and 230 V (200-240 V)
DC Output Voltages
+3.3 V
  • Max Current: 28 A
  • Min Current: 0.3 A
  • Load: ±5%
  • Line: ±1%
    		•
    +5 V
  • Max Current: 30 A
  • Min Current: 0.5 A
  • Load: ±5%
  • Line: ±1%
    		•
    +12 V
  • Max Current: 15 A
  • Min Current: 0.0 A
  • Load: ±5%
  • Line: ±1%
    		•
    -12 V
  • Max Current: 0.8 A
  • Min Current: 0.0 A
  • Load: ±10%
  • Line: ±1%
    		•
    +5 VSB
  • Max Current: 2.0 A
  • Min Current: 0.0 A
  • Load: ±5%
  • Line: ±1%
    		•
    Notes:
  • +3.3 V and +5 V total output not to exceed 180 W
  • +3.3 V, +5 V, and +12 V total output not to exceed 288 W
  • Load and line refer to regulation.
    		•