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Rectangular silver metal server PSU with rear fan and cable bundle

Athena Power

Athena Power AP-AT40P8-PS2 server power supply 400W

SKU CH-C0DV-3V4ZW MPN AP-AT40P8-PS2

400 W server power supply with AT and Molex connectors for legacy systems and automation equipment

  • Maximum Power400W
  • Output Current+5V@30A, +12V@32A, [email protected] , [email protected]
  • Input Voltage88 - 264 V
  • Input Frequency Range47 - 63 Hz
  • MTBF100,000 Hours on Maximum Load at +25 degree C
  • FeaturesConnectors: 1 x AT P8 6 Pin 1 x AT P9 6 Pin 1 x AT Push Butt
  • 400W maximum power supports demanding server workloads
  • 100,000 hour MTBF at 25°C ensures long-term reliability
  • Wide 88-264V input range suits global deployments
  • Legacy AT, Molex and floppy connectors fit older systems
  • Compact 3.40" x 5.90" x 5.50" chassis saves rack space

Industrial AT Power Supply

The Athena Power AP-AT40P8-PS2 is a 400W server power supply built for legacy AT systems and industrial equipment. It delivers +5V at 30A and +12V at 32A through native AT P8 and P9 connectors plus an AT push-button header.

Legacy Connector Layout

Seven Molex and two floppy connectors support multiple drives and peripherals without adapters. The unit accepts 88 to 264 V input at 47 to 63 Hz, allowing direct integration into existing racks or test benches worldwide.

Sustained Load Reliability

MTBF is rated at 100,000 hours at maximum load and 25 °C ambient. The supply operates continuously from 0 to 50 °C on full load, making it suitable for automation machines and OEM deployments that run around the clock.

Highlights

  • 400W maximum power supports demanding server workloads
  • 100,000 hour MTBF at 25°C ensures long-term reliability
  • Wide 88-264V input range suits global deployments
  • Legacy AT, Molex and floppy connectors fit older systems
  • Compact 3.40" x 5.90" x 5.50" chassis saves rack space

Specifications

BrandAthena Power
ModelAP-AT40P8-PS2
Maximum Power400W
Output Current+5V@30A, +12V@32A, [email protected] , [email protected]
Input Voltage88 - 264 V
Input Frequency Range47 - 63 Hz
MTBF100,000 Hours on Maximum Load at +25 degree C
FeaturesConnectors:
1 x AT P8 6 Pin
1 x AT P9 6 Pin
1 x AT Push Button 4 Pin
7 x Molex 4 Pin
2 x Floppy 4 Pin
Dimensions3.40" x 5.90" x 5.50"
Weight3.00 lbs.
TemperatureOperating: 0 degree C ~ + 50 degree C on Full Load
Storage & Shipping: -20 degree C ~ +80 degree C
Shipping weight1.21 kg
Package size254 × 163 × 99 mm

Questions about this item

Will the +12V rail hold 32 A continuously at 50 °C?

The supply is rated for 32 A on +12V and operates up to 50 °C at full load, so the rail can sustain that current within the stated temperature range.

How loud or hot does it get when running 24/7 at full load?

MTBF is 100,000 hours at 25 °C maximum load; the unit is specified for continuous operation up to 50 °C, indicating it handles sustained heat without derating.

Which motherboard power connectors must my system already provide?

It requires an AT-style motherboard with P8 and P9 6-pin headers plus a 4-pin push-button connector; no ATX 20/24-pin or EPS 4/8-pin plugs are included.

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