Latest MacBook Pro 15 gets blazing SSD performance thanks to 4-channel PCIe (updated)
Update: It appears this may be a function of the 1TB drives fitted to both 13- and 15-inch models. The reason for this isn’t yet clear: it may be the drives used offer greater bandwidth.
Benchmark tests by French site Mac4Ever show that the latest MacBook Pro 15 is delivering SSD read and write speeds in excess of 1GB per second. The site repeatedly achieved these speeds when Apple claims only “up to 775MB per second.”
The MBP 15 is able to achieve these speeds because it has a 4-channel PCIe connection to the SSD, in contrast to the 2-channel link on the MBP 13 and MacBook Air models, though from some reader reports this may be the case only on models fitted with 1TB drives …