The Inter-Tech R1A-KH0400 server power supply has an output of 400 W and a 1U form factor. Its 80 PLUS Silver certification corresponds to efficiency of up to 93%. It features two 40 mm fans, while the LEDs on each module change color to indicate operating status. An audible and visual alarm alerts you to a module or fan failure.

It supports an I2C bus compatible with PMBus and includes reset cables. Its protection features cover overcurrent, overvoltage, overload, short circuit and overheating.

• Total power: 400 W
• Input voltage: 100–240 V
• Input frequency: 50–60 Hz
• Form factor: 1U
• Certification: 80 PLUS Silver
• Efficiency: up to 93%
• Color: silver
• Cooling: active
• Fans: 2 × 40 mm
• Connectors: 1 × 24-pin ATX12V-2.x, 1 × 4 + 4-pin 12V, 1 × 4-pin 3.5', 2 × 4-pin 5.25', 2 × 15-pin SATA
• Motherboard power connector: 20+4-pin ATX
• Motherboard power cable length: 40 cm
• SATA power cable lengths: 400 mm, 550 mm
• Combined +3.3 V / +5 V power: 110 W
• +3.3 V current: 18 A
• +5 V current: 18 A
• +5 Vsb current: 3 A
• -12 V current: 0.5 A
• Combined +12 V current: 33 A
• +12 V1 current: 33 A
• Protections: OCP, OVP, OLP/OPP, SCP, OTP
• Width: 122 mm
• Depth: 245 mm
• Height: 41 mm
• Weight: 1.9 kg