To confirm which Mac you have, open the Apple menu, choose About This Mac, then System Report, and read the Model Identifier line. Match it to the identifier shown on this page before you order. The identifier for this model is MacPro7,1.
Do not mix RDIMM and LRDIMM in the same Mac Pro. Choose one type and use it in every slot you fill.
Apple supports 1.5TB only with the 24-core and 28-core processors. The other processors support up to 768GB.
For best performance Apple recommends filling slots in sets of 4, 6, 8, 10 or 12 matching modules.
Studios, labs and fleets
NEMIX RAM is a US-based memory specialist, in business since 1993. Every module is researched, matched, and compatibility-tested by NEMIX RAM, is JEDEC-compliant, and is backed by a lifetime warranty. Purchase orders and volume pricing are available for studios, post-production facilities, labs and IT departments. Request a quote, or send us your model identifier and we will confirm the right module before you order.