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The P Series is an 80PLUS Gold certified power supply that focuses on efficiency, reliability and improving the overall PC building experience.

* Currently, we only include German PSU power cord with the eStore EU orders. If this is not compatible in your current country, please use a suitable plug adapter.

  1. Smart Temperature-Controlled Fans with Built-In Modes
  2. 80 Plus Gold with 90% Efficiency
  3. Fully Modular and Flexible Flat Cables
  4. DC to DC Design Plus Japanese Premium Capacitors


Model P125
Part Number IW-PS-P1250W
Total Power 1250W
Materials SECC
Type ATX12V V2.52
EPS12V V2.92
Cable Management Fully Modular
PFC Active PFC ( >0.95)
Efficiency 80 PLUS® Gold (Up to 90%)
MTBF (Hours) >100,000 hrs.
AC Input 100-240Vac, 15-8A, 50-60Hz
Fan 135 mm FDB Fan
Typical Load Fan Noise (dBA)
(50% Loading)
< 25 dB(A)
Operating Temperature Range (°C) 0 - 40 °C
Full Protection OCP / OVP / UVP / SCP / OTP / OPP
Safety Certifications cTUVus / TUV / CB / BSMI / CE / FCC / EAC / RCM
Product Dimensions
(L x W x H)
160 x 150 x 86 mm
Package Dimensions
(L x W x H)
210 x 355 x 105 mm
Net Weight 3.0 kg
Gross Weight 3.5 kg
Warranty 5 Years
Connectors 20+4 Pin Motherboard 1
8 (4+4) Pin CPU 2
8 (6+2) Pin PCI-E 8
4 Pin Peripheral 4
SATA (90 Degree) 12
Floppy 1
* InWin products comply with RoHS regulations.
* Specifications may vary based on different regions.

Smart Powerful Fan Control

When the system is under 20% load, the fan stops running. Above 20% load, the fan turns on for optimal cooling. Fan continues for another 60 seconds after the system shuts down.

80 PLUS<sup>®</sup> Gold Certificate

Delivers up to 90% efficiency, generating less heat and reducing operating cost.

Fully Modular with High Quality Flat Cables

Modular and flexible flat cables results in easier cable management for a tidier PC build.

Japanese Aluminium Electrolytic Capacitors

Premium capacitors with 105°C rating improves power stability and provides an ultra-long lifespan.

5V and 3.3V DC to DC Design

The P Series is equipped with a DC to DC converter design that supports a foundation for greater system stability.

Warranty for Your Needs

A warranty of 5 years provided by InWin assures good quality and excellent performance.


P Series P125 1250W Power Supply x 1
QR Code Card x 1
20+4 Pin Motherboard Cable x 1
8 (4+4) Pin CPU Cable x 2
8 (6+2) Pin PCI-E Cable x 4
4 Pin Peripheral Cable x 1
SATA (90 Degree) Cable x 3
Floppy Cable x 1
Power Cord x 1
Cable Ties x 8
Mounting Screws x 4