The Samsung 4GB DDR4-2400 PC4-19200 1Rx16 SODIMM Laptop Memory RAM M471A5244CB0-CRC is a high-quality memory module designed for laptops and notebooks. It features a total capacity of 4GB and a frequency of 2400MHz, providing fast and efficient performance. The non-ECC unbuffered design ensures reliability and stability, while the lifetime manufacturer warranty guarantees long-lasting use. With a compact SO-DIMM form factor and anti-static Faraday bag packaging, this Samsung RAM is a dependable choice for upgrading your computer's memory capacity. Tested.