Upgrade New Mac Pro 2019 Memory. Mac Pro has twelve (12) memory slots and six (6) channels. For maximum performance, installing DIMMs in a 6 or 12 DIMM configuration is recommended. New Mac pro uses two different type of RAM, R-DIMMs and LR-DIMM. Mixing R-DIMMs and LR-DIMMs will cause memory error and status indicator light will flash. We have made new Mac Pro memory upgrade essay, error and worry free. Just select the machine you have.

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