And shipment values fell by 19.8 percent in the quarter, compared to the same quarter in 2014, amounting to $1.3 billion.
IDC differentiates between personal storage and entry level storage, and said personal storage accounts for over 98 ercent of the market.
Most shipments had 1TB and 2TB capacity, accounting for 75 percent of the personal storage market.
USB is still the most popular choice in the market while ethernet products showed a large decline in the last four quarters.
Top dog in the market is Western Digital with 31.2 percent of the market, followed by Seagate (25.9 percent) and Toshiba (18.2) percent.