8GB Module ( 1 x 8GB ) | DDR4 2400 MHz ( PC4-19200 / PC4-2400T ) | DDR4 SO-DIMM ( 260-Pin ) | Non-ECC Unbuffered | 1Rx8 - Single Rank x8 | 1.2V - DDR4 Standard Voltage Compatible Memory (RAM) Replacement for Samsung M471A1K43CB1-CRC Maximizes the performance of your system by speeding up loading times, boosting responsiveness, and improving the ability to support greater workloads All modules undergo quality assurance testing to ensure dependable and reliable performance A-Tech provides a Lifetime Warranty for all orders & offers complimentary United States based Tech Support before, during, & after your purchase