Mac of all trades - Mac of all trades allows you to buy cheap refurbished Apple Computers and Laptops at the Lowest Prices with a Free Warranty, which covers the product in case of damages.

Powerwise - Powerwise from Modus Interactive provides centralised control of networked windows PCs power...

Apple - Available on iOS

Outervision Power Supply Calculator - Outervision Power Supply Calculator is one of the leading and trusted PC power consumption calculators, providing you with accurate information.

EveryMac.com - EveryMac.com is an online website that provides complete details about every iPad, iPhone, Mac, iPod, and Mac clone made by apple.

Cooler Master Power Supply Calculator - A best-in-class power tool that calculates the power requirements of a unit system and helps you to select the required power supply for a unit system in an accurate manner.