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Silver rectangular 2U redundant server power supply with modular cable connectors

Athena Power

Athena Power AP-RRU2MK1262 1200W 2U CRPS Redundant Server Power Supply

SKU CH-RSWP-3YDT6

Redundant 2U CRPS server power supply delivering 1200W with 80 PLUS and 62368 safety certification

  • Max wattage1200 W
  • Power efficiency>94%
  • Power supply redundancyRedundant
  • Main power connector24Pin
  • Output current+3.3 V@12A, +5 V@24A, +5Vsb@5A
  • Output type+3.3 V, +5 V,+12 V, +5Vsb, -12 V
  • 250,000-hour MTBF ensures long-term server reliability
  • 94%+ efficiency reduces operating costs and heat
  • IEC 62368 safety certification meets global compliance needs
  • 2U CRPS modular design enables hot-swap redundancy
  • 1200 W total output powers dense multi-GPU workloads

Redundant 2U server power supply

The Athena Power AP-RRU2MK1262 is a redundant 2U form factor switching power supply designed for servers, workstations and industrial automation equipment. It delivers a total capacity of 1200 Watts across two hot-swap modules. PMBus control allows the motherboard to monitor power status in real time. The unit meets 80 Plus Platinum efficiency and 62368 safety certification for worldwide compliance.

1200 W capacity with full-range input

Each module supplies up to 1200 W with output rails at +3.3V, +5V, +12V, +5Vsb and -12V. The supply operates on 90 to 264 Volts AC at 47 to 63 Hz, drawing 8 to 4 Amps depending on line voltage. Efficiency exceeds 94 percent under typical loads. Hold-up time is 11 ms minimum at nominal input, and protections include OCP and OVP. The design supports continuous full-load operation up to 55 °C.

Bundled cables cover ATX 3.1 and PCIe 5.0

Included connectors are a 24-pin ATX, two 8-pin EPS12V, eight 6+2-pin PCIe, six SATA and two floppy power plugs. A 12V-2x6 cable is supplied for ATX 3.1 compliance and PCIe 5.0 graphics support. This cable set lets the supply power modern multi-GPU servers without extra adapters. Builders needing different connector counts or form factors must source alternative units.

How it compares

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

Price $1,025.99
Pricier than about 91% of the 3,798 comparable items (median $131.99).
Max wattage 1200 W
Higher than about 80% of the 235 comparable items (median 668 W).

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Specifications

Product
Brand nameAthena Power
Model nameAP-RRU2MK1262
Product typeRedundant
Ports & slots
Output type+3.3 V, +5 V,+12 V, +5Vsb, -12 V
Power
Max wattage1200 W
Power efficiency>94%
Power supply redundancyRedundant
Main power connector24Pin
Output current+3.3 V@12A, +5 V@24A, +5Vsb@5A
Supply voltage90 to 264 V AC
AC input frequency47 to 63 Hz
Rated input current100 to 240 V, 8 to 4A, 50 to 60 Hz
Power hold-up time11 ms Minimum at Nominal Input Voltage
Built-in protectionOCP, OVP,
Size & build
Product dimensions(L × W × H) 264 × 76 × 83.8 mm/ 10.4 × 3 × 3.3 in
Product weight10 lb (4.54 kg)
Environment & compliance
Humidity range20%-90%
Temperature rangeOperating: 0 °C to 55 °C on Full Load; Storage & Shipping: -40 °C to 70 °C
More details
Mean time between failures250,000 h on Maximum Load at +25 degree C

Questions about this item

Will the 1200W redundant unit fit and power my existing 2U server chassis that uses a 24-pin ATX and dual EPS 8-pin connectors?

Yes, the supply uses the CRPS 2U form factor (264 x 76 x 83.8 mm) and provides a 24-pin ATX connector plus two EPS 12V 8-pin connectors, matching standard 2U server backplanes.

How can I confirm the PMBus monitoring is active once the supply is installed?

The PMBus interface communicates with the motherboard; you can verify operation by reading voltage, current and temperature sensors through the server management software or BMC interface.

Which cables are included and what must I source separately for a full build?

The package includes a 12V-2x6 cable for ATX 3.1 and PCIe 5.0 support; all other modular cables (PCIe 6+2-pin, SATA, floppy) are supplied, so no extra cables are required for typical server configurations.

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