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ソリッドステートドライブ(SSD)市場とアプリケーション(年刊レポート) 2009年版Solid State Drives (SSD) Markets and Applications 2009
目次価格・ご注文についてこの調査レポートは、磁性系ストレージと光系ストレージ、両技術を含む、半導体ストレージ技術の将来性を調査・分析しています。 主な調査内容 (目次より抜粋)
Key Findings The SSD industry serving client and enterprise applications is beginning to mature. Dynamic improvements have been made by SSD suppliers boosting overall performance and reliability. Newer companies such as SandForce and Virident are announcing new controllers and architectures that promise to improve overall performance and reliability of SSDs. New SSD industry associations have been formed and existing ones have added to their mission to standardize SSD generic designs amongst suppliers and establish a common criteria that SSDs must conform to for testing and interoperability. New storage and memory architectures and technologies are being developed that could eventually change the landscape of storage in ten years time. Storage Class Memories is one that promises to fulfill the storage and performance requirements of the future. This report reflects the most recent changes in the SSD industry, the issues SSD suppliers and adopters must face in moving this technology forward. The definition of SSDs has changed dramatically within the last year. SSDs were once considered HDD replacements utilizing existing HDD form factors and interfaces, this is no longer true. SSD suppliers have moved beyond this classical definition and are now providing agnostic form factor SSDs in embedded platforms such as Netbooks and those that plug directly into the PCIe bus. In this report, WFR defines what an SSD is and what it is not, and addresses non-traditional SSDs that are being used in low cost PCs and cache applications. Several suppliers introduced 2 bit/cell (2b/c) MLC SSDs in 2008 for PC and consumer applications. The first were Mtron, STEC, Toshiba, and Samsung. This is a clear indication that recent advancements in controller designs made it possible to use MLC technology in more data intensive environments and at the same time to meet endurance and reliability requirements for these applications. Developments in early 2009 yielded significant improvements for 2b/c MLC SSDs for read and write performance, surpassing performance of some first generation SLC SSDs. 2b/c MLC SSDs are now the standard design-in for PC and consumer applications for their significant cost advantage over SLC SSDs. As improvements continue with SSD controller designs managing the issues of MLC NAND flash, we can expect limited adoption in certain enterprise applications where endurance does not become an issue. The rapid adoption of SSDs will begin to significantly impact and displace HDDs in mobile PC applications within the next two years. The adoption of SLC SSDs in enterprise will increase as NAND pricing continues to decline; however due to the conservative nature of the enterprise market, along with critical applications that are being run, it will experience slower SSD adoption rates compared to the PC environment. The forecasts in this report illustrate the SSD adoption rates in the various applications. The following are some of the quantitative findings about the SSD market and product developments throughout the forecast period:
SSDs will have superior attributes in nearly all areas of client computing with the exception of price and capacity when compared to hard disk drives. Enterprise computing will benefit from its exceptional advantage in performance for intensive online transactions for tier 0 applications and data mining types of applications. SSDs in other applications will be best suited for its superior attributes in the areas of; environmental conditions, mechanical ruggedness, reliability, lightweight and low power consumption. A common denominator for all of these applications is the total cost of ownership (TCO) which will be the major consideration for evaluating the tradeoffs of HDD and SSD storage. TCO includes field maintenance costs and requalification cycles. More specific to the enterprise is the benefit of fewer SSDs in enterprise applications compared to HDDs for its much higher performance characteristics. The end result is lower power consumption, translating to reduced cooling requirements. Taking all of this together, the IT manager must consider these TCO parameters when configuring an enterprise system. As flash memory continues to scale and costs continue to decline, SSDs are expected to make greater inroads into the following applications and market segments throughout the forecast period:
As SSD adoption marches on, the high capacities afforded by HDDs coupled with the power savings and performance acceleration of flash cache makes flash cache-based HDD systems viable for the next 10 years and will not be totally replaced by SSDs. Analysis and Reporting Methodology This report analyzes the potential of the semiconductor storage technologies, in conjunction with the magnetic and optic semiconductor storage technologies. The report also assesses future developments of the storage industry and quantifies the different aspects of market growth from 2007 through 2014. It takes into consideration the major social, political, economic, and technology changes underway; and the impact these changes will have on the economy, on the storage industry in general, and on solid state technologies in particular. Because of the growing complexity and scope of the data storage industry and markets, there is a need to put the qualitative and quantitative aspects of the development trends into a broader perspective. Therefore, this report considers the technological, commercial, and application development aspects of the storage industry. In particular, it explores, in general terms, the evolution of storage needs and requirements in the computing, communications and consumer industries. Relevant primary data and information were collected from discussions with industry and company representatives. Secondary data and information have been obtained from public sources, such as company documents, press releases, annual reports and industry statistics, as well as from the existing Web-Feet Research database. Historic data have been crosschecked and correlated with industry statistics. Forecast data and their interpretation are based on analyses and assessments of Web-Feet Research. Table of Contents
1 Executive Summary 2 Methodology / Formula / Data Notes 3 A Long-Term Perspective on Storage 4 A Systems Perspective on Storage
5 Solid State Drive Technologies
6 Industry Associations for SSDs
7 MLC vs SLC Technology in SSDs
8 Solid State Drive Opportunities and Markets
9 Total Cost of Ownership
10 SSD and HDD Comparisons
11 SSD Performance
12 SSD Market Opportunities
13 Quarterly SSD Shipments and Revenue 14 Hard Disk Drive Technologies
15 Hard Disk Drive Market Opportunities
16 Storage System Interfaces
17 Storage Subsystems
18 SSD Supplier Company Profiles 19 Appendix A: Biography
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