This Dell Microsoft Windows Server Standard 2012 R2 CAL 10 USER is a reliable operating system that will meet your computing needs. It is designed for use with Windows and comes in DVD format. The license category is standard, making it ideal for personal or small business use. The brand of this operating system is Microsoft, which is known for producing high-quality software. It is specifically designed for use with servers and networking, making it a great choice for those who need a robust and reliable operating system. This item is perfect for anyone looking for a reliable and efficient operating system for their computing needs.