Axiom's DDR4 Modules use the latest evolutionary DRAM design, provides improved speed, power management and reliability. The release of DDR4 delivers an overall performance improvement of up to 30% for single DIMM configurations. DDR4 performance scales up to 65% faster in 3-DIMM per channel (3DPC) applications over DDR3. High bandwidth and faster data rates combined with lower voltage demands deliver the most compelling and significant DRAM computing update in the past decade. Top grade chips and components Each Axiom memory module is manufactured to meet or exceed OEM specifications. Fully tested All memory modules that leave our warehouse are fully tested to guarantee quality and reliability. Guaranteed compatibility Axiom guarantees that each system specific module will work with its corresponding OEM computer. Lifetime warranty Once you purchase an Axiom memory module, you never need to worry about failure because all Axiom memory modules come with a lifetime warranty. Free unlimited tech support Speak to a real human being and not a computer message. Tech support is available to every one of our customers via phone or email.