has (1398) sticks of PC3 laptop, desktop and server RAM available. Styles include PC3-12800/1600MHz & PC3-14900/1866MHz and capacities range from 4GB-32GB. All our RAM includes a 90-day rranty, has been tested to the R2v3 standard and is considered key functions working. Spreadsheets are available which supply pertinent information for each type. Send me your questions or requests. Thank you!