The Lenovo 4GB PC4-19200 DDR4 memory module is designed for cost-sensitive purchases needing moderate system memory improvement. With a speed of 2400MHz / PC4-19200 and CL17 latency, it performs satisfactorily for basic internet and application processes. The 260-pin SoDimm memory type is useful for laptops and other small form factor systems. The module’s single rank design offers greater assurance of dependable precision control, fortifying its scope for personal or corporate applications. Being non-ECC unbuffered design modulates its cost exponentially, ideal for tight finances. All in all, this module serves well for people looking for a quick and cheap system memory upgrade.