Storage Dimensions:2.5" (9.5 mm)/Proprietary*Storage Interface:Serial ATA (6 Gb/s)/PCIe*
Details:*This model has a Serial ATA III (6 Gb/s) connector for a 2.5" hard drive or SSD as well as a proprietary PCIe connector for a "blade" SSD, although as ++noted++ by OWC, the cable to connect a "blade" SSD to the PCIe connector is not present unless the system is configured with a "Fusion Drive" at the time of initial purchase.
Storage Dimensions:2.5" (9.5 mm)/Proprietary*Storage Interface:Serial ATA (6 Gb/s)/PCIe*
Details:*This model has a Serial ATA III (6 Gb/s) connector for a 2.5" hard drive or SSD as well as a proprietary PCIe connector for a "blade" SSD, although as ++noted++ by OWC, the cable to connect a "blade" SSD to the PCIe connector is not present unless the system is configured with a "Fusion Drive" at the time of initial purchase.
Storage Dimensions:2.5" (9.5 mm)/Proprietary*Storage Interface:Serial ATA (6 Gb/s)/PCIe*
Details:*This model has a Serial ATA III (6 Gb/s) connector for a 2.5" hard drive or SSD as well as a proprietary PCIe connector for a "blade" SSD, although as ++noted++ by OWC, the cable to connect a "blade" SSD to the PCIe connector is not present unless the system is configured with a "Fusion Drive" at the time of initial purchase.