Axion 44T1483-AXBrand NewIncludes Lifetime WarrantyProduct # 44T1483-AXAxiom stands behind its products. That is why we offer an unconditional lifetime warranty on all of our memory modules. Every Axiom memory upgrade is guaranteed to be 100% compatible with the system which it is sold for. 44T1483-AX Features: Memory Size: 4 GB Memory Technology: DDR3 SDRAM Number of Modules: 1 x 4 GB Memory Speed: 1333 MHz Error Checking: ECC Signal Processing: Registered Number of Pins: 240-pin Form Factor: DIMM