Mar 15, 2021 According to the International Data Corporation (IDC) Worldwide Quarterly Enterprise Storage Systems Tracker, global market revenue for enterprise external OEM storage systems declined 2,1% year over year to $7,8-billion during the fourth quarter of 2020 (4Q20). Total external OEM storage capacity shipped was up 11,3% year over year to 23,8 exabytes during the quarter. Revenue generated by the group of original design manufacturers (ODMs) selling directly to hyperscale datacenters grew 2% year over year to $6,6-billion in 4Q20, while capacity shipped grew by 7,6% year over year to 76 exabytes. Total capacity shipments for the market (External OEM + ODM Direct + Server-Based Storage) increased 8,3% to 135,1 exabytes. “The external storage system market contracted for the fourth consecutive quarter in 4Q20, down 2,1% year over year, as the market for the full year 2020 closed out with a 4% decline,” says Greg Macatee, research analyst, Infrastructure Platforms and Technologies Group at IDC.