The Intel 300 series refers to a family of chipsets designed for use with Intel's 8th and 9th generation processors, known as Coffee Lake. These chipsets support various features, including improved memory support, enhanced connectivity options, and better power management. The series includes models like the Z370, H370, B360, and H310, each catering to different user needs, from gaming to basic computing. The 300 series chipsets are compatible with the LGA 1151 socket and support technologies such as USB 3.1, Intel Optane Memory, and Intel Rapid Storage Technology. This makes them suitable for a wide range of applications, from high-performance gaming rigs to everyday desktop computers.