(*) 64.0GB (4 x 16GB) Apple Factory Original PC3-14900 1866MHz DDR3 ECC-R 240-Pin DIMM Memory Upgrad

(*) 64.0GB (4 x 16GB) Apple Factory Original PC3-14900 1866MHz DDR3 ECC-R 240-Pin DIMM Memory Upgrade Kit. For Mac Pro (Late 2013 – 2019) and PCs that use DDR3 1866MHz ECC-R DIMMs. Cannot mix with other size modules – see description. *Used, OWC Tested*