TRANSCEND DIMM DDR3 4GB 1600MHz 2Rx8 CL11

Offering the best combination of reliability, speed and stability, Transcend's DDR3 DIMMs are built with the highest quality brand-name DRAM chips available, and are rigorously tested to ensure they meet Transcend's stringent requirements for overall quality and performance. Transcend DDR3 unbuffered DIMMs are the most stable and reliable in the industry, which also makes them an economical memory solution for all desktops.

https://www.transcend-info.com/Products/No-431