A-Tech 64GB Kit (4x16GB) RAM for Apple Mac Pro Late 2013 | DDR3 1866MHz PC3-14900R ECC RDIMM 2Rx4 1.5V 240-Pin Registered DIMM Memory Upgrade - AMZUS4-0000245

• A-Tech Memory (RAM) compatible for the Apple Mac Pro Late 2013 (MacPro6,1 A1481), Part Numbers: ME253LL/A (Quad-Core 3.7 GHz), MD878LL/A (6-Core 3.5 GHz), MQGG2LL/A (8-Core 3.0 GHz), Configure-to-order (12-Core 2.7GHz) 64 GB RAM Kit (4 x 16GB Modules). DDR3 DIMM 240-Pin. Speeds up to 1866/1867-MHz, PC3-14900/PC3-14900R ECC Registered RDIMM. 2Rx4 (Dual Rank x4). JEDEC DDR3 standard 1.5V Improves performance by expanding your system's memory (RAM) capacity, allowing your system to take on more while maintaining a fast and smooth experience This memory is ECC RDIMM and can not be mixed with modules of a different ECC type such as ECC UDIMM, ECC LRDIMM, or Non-ECC UDIMM All A-Tech memory modules undergo stringent quality control testing to ensure dependable and reliable performance (Please refer to your system's manual for proper installation guidelines) Backed by A-Tech's Limited Lifetime Warranty and supported by our knowledgeable Tech Team available to help before and after your purchase