The OWC Mercury Electra 1TB 6G SATA SSD delivers the latest flash NAND and controller technology, utilizing 3D NAND + SLC caching for long-lasting, power-efficient performance. They offer a powerful combination of performance and reliability for demanding everyday computer users. This SSD delivers fast, reliable performance thanks to its 6G SATA connection. It works as a hard drive upgrade internally and in bus-powered or self-powered external enclosures (any Mac, PC, or enclosure that supports 2.5? SATA drives, must support 7mm drive height). OWC SSDs have no moving parts, resulting in a quiet, cool, highly rugged storage solution that also offers near-instantaneous system response. With real-world speeds over 500MB/s, the OWC Mercury Electra 6G SSD line delivers unbeatable performance.