Buy Bestec ATX-300-12Z Power Supply – Reliable 300W OEM Replacement
Bestec Power Supply ATX-300-12Z – Trusted Performance for Desktop Systems
Looking for a Bestec ATX-300-12Z ? This 300-watt ATX model is ideal for restoring or upgrading your desktop system. Commonly used in HP, Compaq, and other OEM PCs, it delivers clean, stable power for efficient performance.
We offer fully tested and ready-to-ship units.
Why Choose the Bestec ATX-300-12Z?
The ATX-300-12Z offers:
300 watts of continuous power
Stable 12V rails for smooth operation
Quiet fan for low-noise cooling
Strong compatibility with older desktops
This PSU is designed for reliability, durability, and safe power delivery—perfect for workstations, business computers, and basic home use.
Compatible With Multiple Desktop Brands
You’ll find the Bestec ATX-300-12Z in many name-brand systems including:
HP Pavilion / Compaq Presario
eMachines / Gateway / Acer systems
Older builds that use Molex and SATA connectors
It’s a great fit for restorations, repairs, and replacement projects.
Technical Specifications
Model: Bestec ATX-300-12Z
Wattage: 300W
Input: 100–127V / 200–240V AC
Connectors: 20+4 Pin Main, SATA, Molex, Floppy (varies)
Cooling: Internal 80mm exhaust fan
Form Factor: Standard ATX
Tested and Guaranteed
Every power supply is:
Fully tested under load
Inspected for physical and electrical integrity
Backed by our replacement guarantee
We only ship power supplies that meet strict quality standards.
Fast Shipping and Friendly Support
We offer:
Same-day or next-day shipping
Secure packaging for safe delivery
Responsive customer service for all your questions
From order to installation, we’ve got you covered.
Perfect for Budget Systems and Basic Setups
Whether you’re fixing a system or keeping an older PC alive, this Bestec power supply delivers:
Stable operation for daily computing
Low energy consumption
Excellent value for your money
It’s a reliable, affordable solution that keeps your system running strong.
Order Your Bestec ATX-300-12Z Now
Don’t let a dead PSU stop your productivity. Buy your Bestec ATX-300-12Z power supply today and enjoy:
Trusted OEM performance
Quick and easy installation
Excellent support from professionals