For more details, read our full review of the Apple MacBook Pro (Retina, 13-inch, Early 2015) . The entry-model we tested in the above review featured 8GB of memory and 128GB flash drive. By Even though the entry-level 13-inch MacBook Pro has an older 8th Generation Core i5 with the same number of cores, its 1.4GHz clock speed is higher, and so is its 15-watt power consumption. Thank you for sharing your experience, and I also want to share mine: I bought a used MacBook Pro 13 Early 2015 some 3 years ago, with Apple SSD 128 GB. One year ago I decided to upgrade my device. One year ago I decided to upgrade my device. This Samsung 970 Evo plus (with latest firmware installed) is considered tested and working. This Sintech NGFF M.2 nVME SSD Adapter Card for Upgrade MacBook Air (2013-2016 Year) is said to be best. But the seller states it is NOT compatible with the 970 EVO Plus. Apple provides SSD storage in sizes of 64, 128, and 256 gigabytes on the MacBook Air and 128, 256, and 512 GB on the MacBook Pro as of the time of publishing. The MacBook Air models come with a specific SSD size as standard, and only certain models can be upgraded as a build-to-order option with a larger SSD external hard drive. 13-inch MacBook Pro (‌M1‌/256GB) Write Speed: 2,215 13-inch MacBook Pro (‌M2‌/256GB) Write Speed: 1,463 Max Tech attributes this performance difference to Apple's choice of NAND flash storage. Upgrade the SSD of any 2013-2015 MacBook Pro for up to 16x the capacity of the original factory drive. Kit includes all tools needed for DIY installation. eshop.macsales.com. The Aura Pro X2 are NVMe type but use the PCIe 3.1 standard but x4 link, while you screen shot shows only x2 link speed, which accounts for some of the speed shortcoming. This thread is about upgrading MacBook Airs & Macbook Pros (2013-2015) with new high speed and/or high capacity NVMe SSDs. This thread was one of the first to talk about MacBook Pro NVMe SSD upgrades on Macrumors, and was started by user "maxthackray", which we can thank and give tribute for 7Rkz.