You are looking at a lot of 6xMicron MT72HTS1G72FZ-667H1D6 8GB PC2-5300F 667Mhz ECC RAM DELL STICKER 4Rx4 SNPM788DC modules. There are at total of 6, and were previously tested.
Buyers are expected to do their own research in regard to compatibility, and hardware/software requirements for any item they are considering buying, as well as any necessary configurations needed for correct operation and system functionality. Listing is for what is pictured.Note for Apple Mac Pro users: These are incompatible with the Mac Pro 1,1 - 3,1. For these Mac towers, search for 2Rx4 RAM.