ENET 4GB DDR3 SDRAM Memory Module - For Desktop PC - 4 GB - DDR3-1600/PC3-12800 DDR3 SDRAM - 1600 MHz Single-rank Memory - 1.35 V - Non-ECC - Unbuffered - 240-pin - DIMM Enables efficient and smooth execution of all your heavy-duty applications with maximum productivity Up to 1600 MHz speed with unbuffered signal for playing the latest games and using heavy software 4 GB of memory to refine your computer's performance DDR3 SDRAM interface synchronizes electrical and clock signals for an efficient data transfer rate 240-pin for optimal performance and maximum reliability Desktop PC device support for your ram module for maximum productivity and convenience DIMM form factor with 240-pin and 4 GB memory size for enhanced performance and speed to allow maximum usability Unbuffered signal processing for dependable programmability of the processor for easy optimization of digital signals