PLEASE NOTE: This is DDR3L low voltage memory, please make sure your DDR3 computer is compatible with low voltage before purchg; if it is not compatible with low voltage, please choose other DDR3 memory in the store. RAM EXPERT:PC3L-12800/DDR3L-1600 suitable for most desktop computer systems; a very good choice for professional desktop computer memory upgrades. Warranty:All DUOMEIQI chips are sourced from premium major brand manufacturers to ensure a high performance and realibility.DDR3 1600 RAM Life-time warranty for your confidence purchase. Any problems, please feel free to contact us and we will get back to you as soon as possible. Durability Armed: DDR3L 32gb 1600 100% factory precision tested to ensure high stability, durability and compatibility; Please confirm your computer's system model and maximum memory before purchase. Plug and Play: 32GB Ram DDR3L is quick and easy to install, no additional tools required; PC3L-12800U 32GB expands the system's available memory RAM resources to improve you system's responsiveness run apps faster.(DDR3L 4X8GB Ram). DDR3L 32 GB Kit:Desktop PC3L 1600MHz ram 32GB (4x8GB)—CL11 DDR3 (PC3 12800U) DIMM 240-pin 1.35V/1.5V Non-ECC Unbuffered for Computer Desktop Memory Module Ram Upgrade.(Desktop Only).