I have Mac Pro 2013. Looking options to upgrade from 16GB to 64GB. I found this brand. Mushkin. I have never heard of it. Mushkin Type: *DDR3 Voltage: *1.5V Speed Spec: *PC3-14900 Frequency: *1866MHz Capacity Kit Type: *Dual Channel Module Size: *16GB Timings tCL: *13 tRCD: *13 tRP: *13 tRAS: *32 Buffer: ECC Registered I have no idea what these specifications are. Is this brand good?