Patriot Memory Signature 4GB DDR3 SDRAM Memory Module - For Desktop PC - 4 GB (1 x 4GB) - DDR3-1600/PC3-12800 DDR3 SDRAM - 1600 MHz - CL9 - Non-ECC - Unbuffered - 240-pin - DIMM - Lifetime Warranty

Up to 1600 MHz speed with CL9 latency for smooth computer performance DIMM 4 GB memory smoothly executes complex apps and games 240-pin-pin DDR3 SDRAM interface multiplexes 2-bit data from memory cell and I/O buses to minimize processor idle time and enhance your computers performance