CB1250 (1250 Watts 80+ Platinum)


80 PLUS® Platinum Certified Power Supply

The CB Series delivers up to 92% conversion efficiency. This power supply with a new circuit design is able to maintain consistent conversion efficiency even under low loading conditions.

Ultra Quiet Smart Fan Control Design

The CB Series utilizes a smart temperature-controlled fan design. It has built-in control modes for three temperature ranges and automatically detects the output power to adjust the fan speed accordingly.

Digital Voltage Feedback Design

The MCU digital voltage feedback control design is able to control the voltage output fluctuation at <+/-2% to provide consistent voltage output.

5V and 3.3V DC to DC Design

The CB Series’ DC to DC converter design provides a superior dynamic response, and supports a foundation for greater system stability.

Full Modular Design

The fully modular and slim cable design simplifies installation and allows you to use only the cables you need, for a neater, cleaner build.

A 7-Year Warranty

We are so confident in the quality of the CB Series power supplies that we offer a 7-year warranty to backup our claim of providing reliable and dependable performance.

Highly Reliable Japanese Electrolytic Capacitors

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



Model CB-1250W
Part Number IW-CB1250
Total Power 1250W
Material SECC
Type ATX12V V2.4 / EPS12V V2.92
Cable Management Fully Modular
PFC Active PFC ( >0.9)
Efficiency 80 PLUS Platinum
MTBF (Hours) >100,000 hrs.
AC Input 100 - 240Vac. 50-60Hz
Fan 135mm Double Ball Bearing Fan
50% Load Typical Fan Noise(dBA) < 25dBA
Operating Temperature Range (℃) 0~50℃
Full Protection OCP / OVP / UVP / SCP / OTP / OPP
Safety Certifications cTUVus / TUV / CB / BSMI / CE / FCC / EAC / RCM
(L x W x H)
180 x 150 x 86mm
Package Dimensions
(L x W x H)
220 x 360 x 100mm
Net Weight 3.5kg
Gross Weight 4.1kg
Warranty 7 Years
Connectors 20+4 Pin Motherboard 1
8 (4+4) Pin CPU 2
8 (6+2) Pin PCI-E 8
4 Pin Peripheral 3
SATA (90 Degree) 16
Floppy 1
* InWin products comply with RoHS regulations.
* Specifications may vary based on different regions.

You may also like

Recently viewed