The IBM System x3750 M4 incorporates outstanding features and capabilities in an ultra-compact server design that enables pay-as-you-grow processing and memory expansion to help lower costs and manage growth. Due to its upgradability and replaceable features, careful consideration was taken with the usability of this machine. Special attention was paid to its layout, labeling and interaction points to make the product intuitive and ergonomic. Components are well labeled, easy to access and color-coded in accordance with IBM’s color system to indicate if items are hot swappable or not.