Small Business, Storage Fourth gen HP MSA Storage adds data tiering, SSD read caching by Mark Cox • November 18, 2014 The enhanced horsepower in the Gen 4 MSA facilitates needed upgrades like Archive Tiering and Performance Tier options, a new SSD Read Cache feature to better utilize flash, and thin provisioning. Read more → Share the Buzz:TweetMoreEmailPrintRedditShare on Tumblr