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Rectangular silver metal server PSU, two rear fans, cable bundle visible

Athena Power

Athena Power AP-U3ATX80FEP8 800W server power supply

SKU CH-T0PD-BX7BM MPN AP-U3ATX80FEP8

Single 800 W server power supply with 80PLUS Bronze efficiency, dual fans, and a full set of ATX, EPS, PCIe and SATA connectors

  • Single/RedundantSingle
  • Maximum Power800W
  • Main Connector20+4Pin
  • Output+3.3V@20A,+5V@22A,+12V1@32A, +12V2@32A, -12V@1A, [email prot
  • Input Voltage88 - 264 V
  • Input Frequency Range47 - 63 Hz

Option 800W

  • 800 W output powers demanding server builds
  • 80 PLUS Bronze efficiency cuts energy waste
  • Dual fans with smart speed control lower noise
  • >100,000-hour MTBF supports long-term reliability
  • Wide 88–264 V input suits global deployments

800W single server power supply

This Athena Power unit delivers 800 watts of continuous power for 3U rack servers and high-density workstations. It operates as a single non-redundant module with active PFC meeting EN61000-3-2. The supply accepts a wide 88 to 264 volt input range at 47 to 63 Hz. It is built for environments that demand steady output across variable mains conditions.

20+4 pin ATX with dual EPS and PCIe connectors

The unit provides one 20+4 pin main connector, one 4 pin P4-12V and two 8 pin EPS-12V cables for multi-socket motherboards. Two 6 pin and two 6+2 pin PCIe leads support add-in accelerators or GPUs. Eight SATA 15 pin and two Molex 4 pin connectors handle storage arrays and peripherals. A floppy 4 pin lead is also included for legacy devices.

Dual 12V rails rated at 32 amps each

The +12V1 and +12V2 rails supply 32 amps apiece for processor and add-in card loads. Minor rails provide 20 amps on 3.3 volts and 22 amps on 5 volts. Hold-up time is 17 milliseconds at nominal input. Protection circuits cover over-voltage, short-circuit and overload events. The design suits builds that stay within these rail limits; configurations needing higher per-rail current or redundant supplies will require a different unit.

Highlights

  • 800 W output powers demanding server builds
  • 80 PLUS Bronze efficiency cuts energy waste
  • Dual fans with smart speed control lower noise
  • >100,000-hour MTBF supports long-term reliability
  • Wide 88–264 V input suits global deployments

Specifications

BrandAthena Power
ModelAP-U3ATX80FEP8
Single/RedundantSingle
Maximum Power800W
Main Connector20+4Pin
Output+3.3V@20A,+5V@22A,+12V1@32A, +12V2@32A, -12V@1A, [email protected]
Input Voltage88 - 264 V
Input Frequency Range47 - 63 Hz
Fans2
MTBF>100,000 Hours
Hold-up Time17 ms Minimum at Nominal Input Voltage
ProtectionOver voltage, short circuit and overload protection.
FeaturesConnectors
ATX 24(20+4) Pin x 1
P4-12V 4 Pin x 1
EPS-12V 8 Pin x 2
PCIE 6 Pin x 2
PCIE 6+2 Pin x 2
SATA 15 Pin x 8
Molex 4 Pin x 2
Floppy 4 Pin x 1
Active PFC (Power Factor Correction) meets EN61000-3-2
Full Range Input: 100~264 Volts AC
Smart Auto Fan Speed Controller
100% Hi-pot, ATE and Burn-in Tested
Output Over Voltage, Short Circuit and Overload Protection.
Low Noise and Ripple
RoHS Compliance
Dimensions4.55" x 3.4" x 7.87"
Weight5lbs
Humidity5~90% on Operating. 5~95% on Storage
Temperature0 degree C ~ +50 degre C on Full Load
Package Contents1 x AP-U3ATX80FEP8
1 x Power Cord
Shipping weight2.21 kg
Package size257 × 211 × 102 mm

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Questions about this item

What is the combined 12V rail limit that caps sustained output on this 800W unit?

The +12V1 and +12V2 rails each deliver 32A, so total 12V current is shared between the two rails.

How loud do the two fans run during all-day operation at full load?

A smart auto fan speed controller adjusts fan speed based on load and temperature to keep noise low.

Which EPS-12V 8-pin connectors must my motherboard provide for this supply to work?

The unit includes two EPS-12V 8-pin connectors for dual-CPU server boards.

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