This is a lot of 3 Crucial 4GB DDR3L-1600 SODIMM laptop memory modules, 12GB total, 1.35V, CL11. All three are Crucial brand and the same speed class, pulled from working laptops. The modules are untested but show no physical damage, bent pins, or corrosion, and the gold contacts look clean. Please review all photos carefully before purchasing, and feel free to reach out with any questions prior to buying.