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Power Supply Unit Supermicro PWS-903-PQ 900 W

Power Supply Unit Supermicro PWS-903-PQ 900 W
Power Supply Unit Supermicro PWS-903-PQ 900 W
Power Supply Unit Supermicro PWS-903-PQ 900 W
Power Supply Unit Supermicro PWS-903-PQ 900 W
Power Supply Unit Supermicro PWS-903-PQ 900 W
Power Supply Unit Supermicro PWS-903-PQ 900 W
Power Supply Unit Supermicro PWS-903-PQ 900 W
Power Supply Unit Supermicro PWS-903-PQ 900 W
R5,613
The Supermicro PWS-903-PQ 900 W is a compact, high-efficiency power supply unit designed for desktop PCs and workstations. Engineered to deliver continuous 900 W output with 80 PLUS Gold efficiency, it supports a wide AC input range of 100–240 V at 50–60 Hz and includes active power factor correctio... Read More
Stock 1 Code 1449494 Brand SUPERMICRO Model PWS-903-PQ Warranty 2 Years

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The Supermicro PWS-903-PQ 900 W is a compact, high-efficiency power supply unit designed for desktop PCs and workstations. Engineered to deliver continuous 900 W output with 80 PLUS Gold efficiency, it supports a wide AC input range of 100–240 V at 50–60 Hz and includes active power factor correction (PFC). The unit uses a 24-pin ATX motherboard connector and fixed (non-modular) cabling, and features a quiet cooling fan, protective circuitry against over-voltage, over-current and short circuits, an LED status indicator and an MTBF greater than 100,000 hours. Its metallic finish and compact dimensions (150 mm × 190 mm × 86 mm) suit a variety of system builds where reliable, efficient power is required.

Advantages

The PWS-903-PQ provides stable 900 W continuous output with approximately 90% efficiency under typical load conditions, minimising wasted energy and heat. 80 PLUS Gold certification ensures consistent performance across the typical AC voltage range. Built-in protections and active PFC increase system reliability and help safeguard connected components, while the LED indicator offers quick visual confirmation of unit status. Compact size and standard 24-pin ATX compatibility make installation straightforward in compatible chassis.

Suitable for

  • High-performance desktop PCs and workstations requiring sustained 900 W power delivery
  • Systems where energy efficiency and reduced heat output are priorities
  • Server-class or professional builds that benefit from protection circuitry and high MTBF
  • Compact chassis that accept standard ATX power supplies with fixed cabling

Key specifications

  • Total output power: 900 W continuous
  • Efficiency level: 80 PLUS Gold (approximately 90% efficiency)
  • AC input voltage: 100–240 V, 50–60 Hz
  • Power factor correction: Active PFC
  • Motherboard connector: 24-pin ATX (fixed cable)
  • Cooling: Internal quiet fan
  • Protections: Over-voltage, over-current, short-circuit protection
  • Indicator: LED status indicator for normal/abnormal conditions
  • MTBF: Greater than 100,000 hours
  • Material compliance: RoHS-compliant
  • Dimensions: 150 mm (W) × 190 mm (D) × 86 mm (H)
  • Colour: Metallic

How to use

Before installation, disconnect power and ensure your case supports standard ATX power supplies with fixed cabling. Mount the PSU in the designated bay using the appropriate screws, align the 24-pin ATX connector to the motherboard and connect any required peripheral cables. Verify the AC input is within the supported range (100–240 V) and connect to a grounded mains outlet. After powering on, check the LED status indicator to confirm normal operation. Regularly inspect cabling and ventilation paths to maintain cooling performance and dust-free operation.

Recommendations

For reliable long-term operation, use the power supply within its rated load and keep the system well ventilated. Employ a quality surge protector or UPS when installing in areas with unstable mains to reduce the risk of electrical disturbances. Periodically dust the cooling fan and ventilation openings to preserve efficiency and noise characteristics.

Key Highlights
  • High-performance desktop PCs and workstations requiring sustained 900 W power delivery
  • Systems where energy efficiency and reduced heat output are priorities
  • Server-class or professional builds that benefit from protection circuitry and high MTBF
  • Compact chassis that accept standard ATX power supplies with fixed cabling
  • Total output power: 900 W continuous
  • Efficiency level: 80 PLUS Gold (approximately 90% efficiency)
  • AC input voltage: 100–240 V, 50–60 Hz
  • Power factor correction: Active PFC
  • Motherboard connector: 24-pin ATX (fixed cable)
  • Cooling: Internal quiet fan
  • Protections: Over-voltage, over-current, short-circuit protection
  • Indicator: LED status indicator for normal/abnormal conditions
  • MTBF: Greater than 100,000 hours
  • Material compliance: RoHS-compliant
  • Dimensions: 150 mm (W) × 190 mm (D) × 86 mm (H)
  • Colour: Metallic
Specifications
80 PLUS certification
80 PLUS Gold
AC input frequency
50 - 60
AC input voltage
100 - 240
ATX Power connector (24-pin)
Yes
Cabling type
Non-Modular
Depth
190 mm
Efficiency
90 %
EPS power connector (8-pin)
Yes
Harmonized System (HS) code
84733020
Height
86 mm
Input current
6 - 10
Max output current (+12V)
25 A
Max output current (+12V1)
25 A
Max output current (+12V2)
25 A
Max output current (+12V3)
25 A
Max output current (+12V4)
25 A
Max output current (+3.3V)
25 A
Max output current (+5V)
25 A
Motherboard power connector
24-pin ATX
Power Factor Correction (PFC) type
Active
Power supply unit (PSU) form factor
ATX
Product colour
Metallic
Purpose
PC
Total power
900 W
Width
150 mm

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Price history over the last 6 months
Power Supply Unit Supermicro PWS-903-PQ 900 W
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R5,613
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R5,613
Highest
R5,638
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