The Thai HDD industry is likely to grow as a large HDD manufacturers recently expanded production.

Thailand is ranked the second largest Hard Disk Drive (HDD) producer in the world after China, with large manufacturers like Western Digital (WDC) and Seagate Technology (Seagate), along with part producers such as Nidec, Minebea, and TDK.

WDC cut back production in Malaysia and expanded in Thailand’s Prachinburi province while Seagate terminated factories in China and Malaysia and increased investment in their production base in Nakornratchasima province in Thailand. These events should raise Thai HDD exports by at least 15%

However, SSD is replacing HDD usage. HDD shipments dropped 8% CAGR during 2013-2016 while shipments of Solid State Drives (SSD) surged around 37% CAGR. More importantly, annual global demand for HDD declined from 420-480 million units to only 300 million units.

The switch to SSD is because the NAND flash memory in SSD is superior to the disk technology employed by HDD in various dimensions, including access speed, stability, and durability. Moreover, new memory storage technology in SSD known as 3D NAND now allows larger storage capacity and is no longer inferior to HDD as was the case in the past. Production costs for larger storage s have declined comparison to HDD

SSD replacement for HDD could happen when there is no difference in cost per gigabyte (GB) between the two technologies. Indeed, the difference could still exist but at a smaller price difference because the choice between HDD and SSD does not only concern cost per GB. Consumers must consider indirect costs such as maintenance and electricity expenses as well and SSD beats HDD on those parameters.

However, HDD now holds an edge on cost per GB as HDD prices are 4 times lower than SSD in the 500GB model range (1,430 baht for HDD versus 5,790 baht for SSD)*. In fact, SSD’s cost per GB recently picked up and widened the difference with HDD due to a shortage of NAND flash, an important part of SSDs.

The shortage was due to both a fall in supply and higher demand. Supplies dropped because the industry is currently transitioning from 2D NAND to 3D NAND. On the other hand, the surge in demand for NAND comes not only from SSD producers, but also from smartphone and tablet producers.

According to JPMorgan, around 8,542 million NAND is to be used to make smartphones and tablets in 2017, up 56% from 2016. The use of NAND in SSD totals 7,795 millions this year, up 46% from 2016.

In addition, the Big data boom is seeing HDD usage grow in data center business. Despite the wide usage of SSD in personal computers and hyper-scale data centers such as Amazon, the booming big data trend makes data and information a key success factor in business and points to higher demand for data storage. According to a report by Cisco, data in data centers in 2020 will exceed 2016 levels by 3.6 times and use HDD to store less frequently used, such as backup data, to save costs. At the same time, high-potential yet expensive SSD is used in data storage system where performance is needed to support fast data processing and access.

HDD technology is being developed further. HDD makers are not only upgrading existing storage technology such as SMR (Shingled Magnetic Recording) and Helium-filled drive to raise storage capacity, they also plan to develop new technologies such as TDMR (Two-Dimensional Magnetic Recording) and BPMR (Bit-Patterned Media Recording). These new technologies will improve weakness such as low durability and increase the…

Author: Punyapob Tantipidok and Nicha Thanabhusest

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