333 million: SSDs clearly overtake HDDs in terms of numbers

Despite the 18 percent drop in sales, hard disks reached a record of 1 zettabyte of accumulated storage volume last year. Of these SSDs with around 200 exabytes still far away. In terms of the number of units, SSDs have now clearly taken the lead with 333 million compared to 260 million HDDs.

SSD sales up 21 percent

Trendfocus cites these figures in the statistics of market researchers on SSD sales in the fourth quarter of 2020, with which the surveys for the full year 2020 are also determined. Sales of SSDs rose by almost 21 percent compared to the previous year to 333.12 million units. The prognoses were therefore right in advance : In 2020, more SSDs than HDDs were shipped worldwide for the first time. Because the classic hard drives only came to around 260 million pieces, which means a decrease of 18 percent.


Statistics on SSD / HDD sales in 2020



Trend focus (SSD) Trend focus (HDD) Coughlin Associates (HDD)
paragraph 333.12 million pieces 259.81 million pieces 260.3 million pieces
Cumulative storage volume 207.39 exabytes 1,018.32 exabytes 1,077.77 exabytes
Average storage capacity 0.62 terabytes 3.92 terabytes 4.14 terabytes

Capacity per data carrier still far behind HDD

SSDs also increased significantly in sales measured in exabytes (1 exabyte = 1 million terabytes) based on the combined storage volume of the data carriers delivered: around 207.39 exabytes mean a growth of 50 percent compared to 2019. The average storage volume of the SSDs thus rose to around 623 Gigabytes.

Classic hard drives, on the other hand, broke the 1 zettabyte (1,000 exabyte) mark for the first time in 2020 , with an average of around 4 TB of storage space per drive . This record is due to the increased sales of enterprise HDDs for servers with high storage capacity. In the PC sector in particular, however, fewer and fewer HDDs are being used and more and more SSDs are being used instead.

Market shares for SSDs in Q4 2020

The Trend Focus statistics available from the Website Storage Newsletter also give figures on the SSD market share in the fourth quarter of 2020. According to this, Samsung continues to be the clear market leader in SSDs with 26.1 percent in terms of number of units and 32.8 percent in terms of exabyte sales. But Western Digital is slowly catching up and is clearly number two with 20.2 percent (number of items) and 15.4 percent (exabytes).



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