Upgrade or build a computer with the 500GB Blue SATA III M.2 Internal SSD from WD to provide your system with fast boot times and quick access to data. The WD Blue SSD delivers 500GB of storage capacity for storing your apps, multimedia content, and files. This internal SATA-based SSD sports an M.2 form factor, which resembles an oversized desktop memory module, and is compatible with ultrabooks and NUCs that have a 2280 M.2 slot. For performance, it comes armed with Tiered Caching technology that utilizes SLC and TLC flash technologies to enable up to sequential 545 MB/s read and 525 MB/s write speeds. Aside from performance, WD includes free downloadable WD SSD Dashboard software, so you can monitor the health of this M.2 SSD.