Transcend JetDrive 855 JDM855 240 GB Solid State Drive – External – PCI Express (PCI Express 3.0 x4) – Thunderbolt – 1600 MB/s Maximum Read Transfer Rate – 5 Year Warranty KIT FOR MAC

Lenovo 5300 960 GB Solid State Drive – 2.5″ Internal – SATA (SATA/600) – Read Intensive – Server Device Supported – 1.5 DWPD – 2628 TB TBW – 540 MB/s Maximum Read Transfer Rate – Hot Swappable – 256-bit Encryption Standard SSD SATA 6GB/S 2.5IN HOT SWAP