Brand – Lexar, Model – Lexar 4GB, Capacity – 4GB, Type – DDR4, Bus Speed (MHz) – 2666MHz, Number of Pin – 260-Pin, CAS Latency – CL19, Voltage – 1.20V, Module Type – SO-DIMM, Module Size – 69.6 x 30mm, Operating Temperature – 0 Degree C to 85 Degree C, Storage Temperature – -55 Degree C to 100 Degree C, Color – Black, Specialty – Improve your computer performance, High speed DDR4 memory, Easy to install, Part No – LD4AS004G-R2666G, Warranty – Product Lifetime, Country of Origin – USA, Made in/ Assemble – China