The SSD Bundle includes a 2TB Western Digital WD Blue SSD and a 256GB Samsung 840 Pro SSD, both designed for use with Mac computers. The internal SSD drives have a 2.5-inch form factor and utilize SATA III interface for efficient data storage and retrieval. The high storage capacity of the bundled SSDs offers fast and reliable performance for various computing needs, making them ideal for those looking to upgrade their storage capabilities with trusted brand products.