Hewlett Packard Enterprise 600278-B21. SSD capacity: 160 GB, Read speed: 770 MB/s, Write speed: 750 MB/sHP IO Accelerator for ProLiant servers is a direct attach solid state storage technology PCIe card based solution for application performance enhancement. Based on Multi-level cell (MLC) and Single Level Cell (SLC) NAND Flash technology these devices are ideal for Markets & Applications requiring high transaction rates and real-time data access.