Used 16GB SK hynix DIMM pulled from working laptop. 

The SK hynix 16GB DDR5 4800 CL40 SO-DIMM Laptop Memory is a high-quality memory module designed for laptops. With a total capacity of 16GB, this unbuffered memory is ideal for improving the performance and speed of your device. It features a low voltage of 1.1V and supports on-die ECC (ODECC) for error correction. Compatible with various part numbers and manufactured in South Korea by SK hynix, this DDR5 SDRAM memory module provides reliable and efficient performance for your computing needs.