has (400) sticks of PC3 desktop RAM available. Styles include PC3-12800U/1600MHz & PC3-14900U/1866MHz and they’re available in 8GB capacities. Mixed MFG and Models. All our RAM includes a 60-day rranty, has been tested to the R2v3 standard and is considered key functions working. A Spreadsheet is available upon request which supplies the pertinent information. Send me your offers, questions or requests.