Still, an expertly-optimized application can see a HUGE performance boost with the faster SSD in the 2015 MacBook Pro.
#Ssd for macbook pro retina mid 2015 upgrade
This upgrade includes all the tools necessary to perform the upgrade as well as an illustrated installation and upgrade guide. Even Photoshop benefits little beyond about 700MB/sec, due to inefficiencies. The MCE 512GB PCIe-based NVMe Flash SSD Upgrade Solution for the 15-inch MacBook Pro with Retina display (Mid 2015) was designed to take advantage of the super-fast 8GT/s PCIe architecture present in that machine. It is very possible to upgrade the SSD however, it used a proprietary m.2 port so only Apple SSDs fit which, as you guessed, are nearly 3x more expensive then your average Samsung or Seagate m.2 SSD. Most applications are not efficient enough to show more than marginal gains at real world tasks, i.e., twice as fast an SSD might mean 5-10% faster at a compute task. So as Im a student I could only afford the bassline 2015 modal of the Macbook Pro which is only 256GB of storage.For non-continuous loads, this caching can mask any SSD speed differences. The increased SSD speed can be largely masked by OS X caching.Faster I/O may help little or not at all if the tasks being performed are in-memory and little I/O is done. Real-world tasks are almost always a mix of computing and disk I/O (or “long” stretches of pure computing), not continuous I/O loads.Most applications operate in the 32K to 1MB transfer range, so the realistic real-world speeds are not likely to go beyond 1500 MB/sec.Some real-world considerations as to how much faster real work might go: Moreover, this translates into huge gains in performance for some tasks where I/O is a big factor (see following pages of this review). The results show that the flash drive in the 2015 MacBook Pro leaves the late 2013 MacBook Pro far behind (ditto for the 2013 Mac Pro). The graph below shows performance for read and write for transfer sizes from 32K to 512MB. The speed gains come by virtue of using the new SATA Express design this is not something that can be had by upgrading a flash module in an older Mac. The performance of the 2015 MacBook Pro with its 1TB flash drive sets a new standard among all Macs.
Authorized Apple dealer B&H Photo loaned MPG the Apple 15.4" MacBook Pro Retina (Mid 2015), 2.8GHz / Radeon R9 M370X / 16GB / 1TB, the configuration MPG recommends for power users, photographers, videographers, etc.
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