We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Silver metal 1U server power supply with dual 40mm fans and 20+4 pin connector

Athena Power

Athena Power AP-U1ATX30A 300W 1U server power supply

SKU CH-X2PQ-XSF8D MPN AP-U1ATX30A

A 300W single 1U server power supply with dual fans, active PFC and a 20+4 pin main connector for compact rackmount chassis

  • Max wattage300 W
  • Power supply redundancySingle
  • Main power connector20+4Pin
  • Output current+3.3@10A, +5 V@10A, +12 V@6A (Min) 15A (Max), -12 V@-0A (Min
  • Supply voltage88–264 V
  • AC input frequency47–63 Hz
  • 300W output powers dense 1U server builds
  • Active PFC meets EN61000-3-2 for clean mains draw
  • Dual 40mm ball-bearing fans with thermal speed control
  • 100000-hour MTBF at full load and 25°C
  • 20+4 pin main connector plus two SATA power plugs

Compact 1U server power supply

The Athena Power AP-U1ATX30A is a 300W single-unit PSU built for 1U rackmount chassis. It fits space-constrained industrial servers that need standard ATX power delivery in a shallow 1.55-inch height. The unit includes a 20+4-pin main connector, one 4-pin CPU connector, three Molex, two SATA and one floppy connector. It is not suited for builds that require PCIe power cables or redundant hot-swap capability.

Dual 40mm fans with auto speed control

Two ball-bearing fans spin under a smart thermal controller that adjusts speed to load and temperature. At full 300W output and 25°C ambient the design targets 100,000 hours MTBF. Input accepts 88–264 V at 47–63 Hz with active PFC meeting EN61000-3-2. Hold-up time is at least 17 ms at nominal voltage. Protections cover over-voltage, short-circuit and overload conditions.

Replaces older 1U units lacking active PFC

The jump is worthwhile when a legacy supply cannot deliver stable +12V current up to 15A or lacks SATA power for current drives. It also upgrades systems that need the 20+4-pin ATX v2.2 header instead of a 20-pin-only design. Builds requiring 6-pin, 8-pin or 6+2-pin PCIe cables must look elsewhere.

How it compares

Measured against everything we stock in Server & Hot-Plug PSUs, at today’s prices. Recalculated every night.

Price $56.99
Cheaper than about 85% of the 3,798 comparable items (median $131.99).
Max wattage 300 W
Lower than about 80% of the 235 comparable items (median 668 W).

New to this? Buying PC parts with Monero — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameAthena Power
Model nameAP-U1ATX30A
Power
Max wattage300 W
Power supply redundancySingle
Main power connector20+4Pin
Output current+3.3@10A, +5 V@10A, +12 V@6A (Min) 15A (Max), -12 V@-0A (Min) 0.3A (Max)
Supply voltage88–264 V
AC input frequency47–63 Hz
Power hold-up time17 ms Minimum at Nominal Input Voltage
Built-in protectionOver voltage, short circuit and overload protection.
Size & build
Product dimensions1.55 in × 3.94 in × 7.87 in
Product weight3 lb (1.36 kg)
Shipping weight1.14 kg
Package size284 × 152 × 53 mm
In the box
In the box1 x AP-U1ATX30A
1 x Power Cord
Environment & compliance
Humidity range5 to 90% on Operating; 5 to 95% on Storage
Temperature range0 degree C - +50 degree C on Full Load
More details
Fan configuration2
Mean time between failures100,000 h on Full Load at +25 degree C

Questions about this item

How do I install this 1U server power supply and which step is often missed?

Slide the unit into the 1U chassis bay, secure it with the mounting screws, connect the 20+4Pin main connector, the 4-pin CPU connector, two SATA connectors and three Molex connectors, then plug the IEC power cord; the step often missed is attaching the 4-pin CPU power cable.

What maintenance or replacement will this unit need later?

The dual 40mm ball-bearing fans are the only moving parts; after long-term operation they may require cleaning or replacement, while the electrolytic capacitors inside will eventually age and the whole unit should be replaced once it reaches the 100,000-hour MTBF rating.

What limit appears first when this supply runs at full 300W load continuously?

The +12V rail is rated for a maximum of 15A, so sustained loads drawing more than 15A on the 12V line will trigger overload protection before the overall 300W or thermal limits are reached.

More in Server & Hot-Plug PSUs

Similar items