2021 HDD Industry Market And Projections HDD shipments were off almost 14% from C3Q to C4Q 2021 with about a 2% drop in HDD shipments from 2020 to 2021.  Supply chain issues impacting drive shipments , this was reflected in a 0.6% quarterly decrease in HDD ASPs.  Mass storage HDDs will be the growth driver for the HDD industry.