has (1547) sticks of PC4 laptop, desktop, and server RAM available. Speeds include 2133MHz - 3200MHz and they’re available in 4GB - 32GB capacities. Manufacturers include Samsung, SK Hynix, Micron, Kingston and more. 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 pertinent information for each type. Send me your questions or requests. Thank you!