The HYNIX - IMSOURCING 4GB DDR3 SDRAM Memory Module is designed for notebooks, offering a memory size of 4 GB (1 x 4GB) with a speed of 1600 MHz (DDR3 - 1600/PC3 - 12800). This unbuffered, non - ECC memory module features a 204 - pin SoDIMM form factor, ensuring compatibility with a wide range of notebook devices. With a CAS latency of CL11 and a voltage of 1.35 V, it provides efficient and reliable performance for multitasking and demanding applications. Enhance your system's responsiveness and speed with this high - quality memory upgrade.