Compatibility - Dell Certified Parts undergo rigorous testing by qualified engineers to ensure compatibility and reliability in your Dell system - Our sustaining qualification process allows for testing and certifying the newest in technology on your Dell system Quality - Dell uses only OEM grade quality components Warranty - Our Limited One Year Warranty guarantees that if our Dell Certified Parts should fail, we will replace them - Dell Certified means no worry of voiding your system’s hardware warranty Technical Support - Our experienced technical support staff is available to answer any questions regarding your Dell Certified Parts upgrade - Installation instructions are provided with each memory module and contain Dell technical support contact information - Parts purchased from other sources will not be supported by Dell