Your data. Your choice.

If you select «Essential cookies only», we’ll use cookies and similar technologies to collect information about your device and how you use our website. We need this information to allow you to log in securely and use basic functions such as the shopping cart.

By accepting all cookies, you’re allowing us to use this data to show you personalised offers, improve our website, and display targeted adverts on our website and on other websites or apps. Some data may also be shared with third parties and advertising partners as part of this process.

Legal noticePrivacy notice

CoolBox S300

300 W
Price in EUR including VAT
Ratings
BrandMore from CoolBox
Delivered between Tue, 28.4. and Fri, 8.5.
Only 1 piece in stock at supplier
free shipping

Product details

The CoolBox S300 is a powerful PC power supply designed for reliable power delivery in compact systems. With a total output of 300 watts, it provides sufficient energy for various components and ensures stable performance. The power supply supports an AC input voltage of 180 to 240 V and a frequency of 47 to 63 Hz, making it versatile for different setups. The 20+4 pin ATX connector allows for easy integration into standard motherboards. The S300 is designed in the SFX form factor, making it ideal for smaller cases. With its 80 PLUS Bronze certification, it guarantees efficient energy conversion, enhancing both performance and energy efficiency. The integrated 8 cm fan ensures adequate cooling, while the non-modular cable design simplifies installation.

  • 80 PLUS Bronze certification for high energy efficiency
  • Compact SFX form factor for space-saving cases
  • Integrated 8 cm fan for effective cooling
  • Comprehensive protection features such as OVP and OCP.

Key specifications

Form factor
SFX
Internal connection options
20+4 PIN ATX power connector (1x)
Power protection features
OCP, OVP, SCP

General information

Item number
33533790
Manufacturer
CoolBox
Category
Power Supply PC
Manufacturer no.
COO-FA300SBZ
Release date
17.5.2023

Colour

Colour
Silver

Power supply properties

Form factor
SFX

Power supply connectors

Internal connection options
20+4 PIN ATX power connector (1x)

Cooling properties

Number of fans
1x
Fan diameter
80 mm

Safety

Power protection features
OCP, OVP, SCP

Power supply

Power
300 W

Voluntary climate contribution

CO₂ emissions
4,64 kg
Climate contribution
EUR 0,12

Product dimensions

Length
10 cm
Width
12.50 cm
Height
6.20 cm
Weight
593 g

Legal Notice

Product Safety

14-day cancellation right
30-day right of return
24 Months statutory warranty
Legal concerns

Compare products

Goes with

Reviews & Ratings

Statutory warranty score

How often does a product of this brand in the «Power Supply PC» category have a defect within the first 24 months?

Source: Galaxus
  • CoolBox
    Not enough data
  • 1.HP
    0,3 %
  • 2.be quiet!
    0,9 %
  • 2.Corsair
    0,9 %
  • 4.Fortron
    1 %

Statutory warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Galaxus
  • CoolBox
    Not enough data
  • 1.Deepcool
    0 days
  • 1.Fortron
    0 days
  • 1.Intertech
    0 days
  • 1.MSI
    0 days

Return rate

How often is a product of this brand in the «Power Supply PC» category returned?

Source: Galaxus
  • CoolBox
    Not enough data
  • 1.Cooler Master
    2,2 %
  • 2.MSI
    3,3 %
  • 3.be quiet!
    3,7 %
  • 4.Seasonic
    3,8 %
Source: Galaxus