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Silver rectangular 2U server PSU with dual fans and mesh grille

Athena Power

Athena Power AP-2UMK12P868 1200W 2U server power supply

SKU CH-Y50M-48AER

Delivers 1200W continuous power with 92% efficiency, ATX 3.1 and PCIe 5.0 compliance, and a 12V-2x6 GPU connector in a compact 2U form factor

  • Max wattage1200 W
  • Power efficiency> =92%
  • Power supply redundancySingle
  • Fan configuration2
  • Main power connector20+4Pin
  • Output current+3.3 V@18A, +5 V@18A,+12 V@100A
  • 1200W continuous power supports demanding server workloads
  • 80 PLUS Platinum certification delivers up to 92% efficiency
  • ATX 3.1 and PCIe 5.0 compliance ensures next-gen compatibility
  • 12V-2x6 H++ connector provides 600W for modern GPUs
  • Dual smart fans with thermal control enable quiet cooling

1200W 2U Server Power Supply

The Athena Power AP-2UMK12P868 is a single 1200W unit built for 2U rackmount servers and workstations. It delivers continuous output at up to 92 percent efficiency with 80 PLUS Platinum certification. Active PFC and universal 100-240V input support global deployments. Dual smart fans provide thermal speed control for sustained loads.

Suited for high-density GPU compute and AI nodes

This PSU fits builders who need the 12V-2x6 600W connector for modern accelerators and dual EPS12V for multi-socket boards. It is not for teams that require redundant hot-swap modules or systems limited to legacy 6-pin PCIe power. Buyers needing more than one 12V-2x6 connection should look elsewhere.

ATX 3.1 and PCIe 5.0 compliance decides fit

The unit meets ATX 3.1 and PCIe 5.0 electrical specifications, enabling the 12V-2x6 H++ interface and 17 ms hold-up time. IEC/UL 62368-1 certification covers enterprise safety requirements. If your platform demands an earlier ATX revision or lacks the 12V-2x6 header, this supply will not match.

How it compares

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

Price $343.99
Pricier than about 87% 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
Product line2U
Model nameAP-2UMK12P868
Product typeATX
Ports & slots
Output type+3.3 V, +5 V,12 V, -12 V, +5Vsb
Power
Max wattage1200 W
Power efficiency> =92%
Power supply redundancySingle
Main power connector20+4Pin
Output current+3.3 V@18A, +5 V@18A,+12 V@100A
Supply voltage100–240 V
AC input frequency47–63 Hz
Rated input current13A@110 V, 6A@ 240 V
Power hold-up time17 ms Minimum at Nominal Input Voltage
Built-in protectionOCP, OVP,
Size & build
Product dimensions(L × W × H) 200 × 100 × 70 mm / 7.87 × 3.94 × 2.76 in
Product weight5.0 lb (2.27 kg)
Environment & compliance
Humidity range20%-90%
Temperature rangeOperating: 0 °C to 50 °C on Full Load; Storage & Shipping: -20 °C to 80 °C
More details
Fan configuration2
Mean time between failures100,000 h on Maximum Load at +25 degree C

Questions about this item

How much GPU power can the 12V-2x6 connector actually deliver in a real build?

The 12V-2x6 (H++) connector is rated for 600W, supporting modern high-current graphics cards for AI, rendering and compute workloads.

What does ATX 3.1 and PCIe 5.0 compliance cap in practice?

These standards enable the 12V-2x6 connector and ensure compatibility with next-generation GPU power delivery and system timing requirements.

What clearance does the 2U form factor need to fit in a rack chassis?

The unit measures 200 x 100 x 70 mm (7.87 x 3.94 x 2.76 in) and weighs 5.0 lbs, fitting standard 2U server bays.

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