has (1800) sticks of PC3 laptop, desktop, and server RAM available. Styles include PC3-12800/1600MHz & PC3-14900/1866MHz and capacities range from 4GB-16GB. Mixed MFG and Model. All our RAM includes a 60-day rranty, has been tested to the R2v3 standard and is considered key functions working. Spreadsheets are available upon request which supply all the pertinent information for each line item. Send me your questions or requests. Thank you!