The Micron MT18JSF1G72AZ 8GB 2Rx8 PC3-14900E ECC RAM is a high-quality memory module designed for servers and workstations. With a total capacity of 8GB and a DDR3-1866 bus speed, this UDIMM module offers reliable performance and error correction through ECC memory features. This RAM is a crucial component for ensuring smooth and efficient operation of your computer system. Removed when brand new from Mac Tower as it was upgraded with 16gb of RAM instead. No returns Thank you
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