Samsung 4GB DDR4 2666MHz Laptop RAM will be sold. There are no problems at all. Bring your laptop and check it as much as you want. I am upgrading and shifting to 8GB, so I am selling this. Brand: Samsung, Capacity: 4GB, Type: DDR4 SO-DIMM, Bus Speed: 2666MHz, Voltage: 1.2V, Rank: 1Rx16, Model: M471A5244CB0-CTD. If anyone wants to buy, please contact via inbox. Location: Shahzadpur, Badda, or Mugda.