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市場調查報告書
商品編碼
2119614
日本快閃記憶體市場:市場佔有率分析、產業趨勢與統計及成長預測(2026-2031)Japan Flash Memory - Market Share Analysis, Industry Trends & Statistics, Growth Forecasts (2026 - 2031) |
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根據 Mordor Intelligence 估計,2026 年日本快閃記憶體市場規模將達到 32.5 億美元,高於 2025 年的 31.6 億美元,預計到 2031 年將達到 37.5 億美元。
預計 2026 年至 2031 年的複合年成長率為 2.90%。

本報告依記憶體類型(3D NAND、2D NAND(平面)、NOR快閃記憶體等)、容量(256MB以下、512MB至2GB、其他)、介面/外形規格(eMMC、UFS、SATA SSD等)、最終用戶應用(資料中心/企業伺服器、行動裝置/平板電腦、汽車、工業/物聯網裝置等)和地區裝置和地區。市場預測以美元(USD)為單位。
企業級升級週期正果斷轉向延遲僅為個位數微秒級的NVMe存儲,從而減少東京和大阪資料中心叢集的機架面積和功耗。隨著PCIe Gen4固態硬碟在中階系統中逐漸普及,筆記型電腦製造商也跟進。西部資料的218層BiCS固態硬碟現已大量出貨,可為金融和公共部門工作負載提供每天3塊硬碟的寫入耐久性。 5G的部署也加速了消費市場的普及,這主要得益於路由器和基地台對本地快取需求的成長。這些因素共同推動了整體成長0.6個百分點,預計其影響將在2026年至2028年間達到高峰。
索尼、夏普和京瓷的高階智慧型手機配備 256GB 和 512GB 的儲存空間,支援 4K影片和 AI影像處理。蘋果保持著市場主導地位,但本土品牌在注重耐用性和高解析度攝影機的細分市場中也佔有一席之地。 5G 無線通訊用戶已超過半數,這導致照片和影片檔案體積增大。這些趨勢將使長期複合年成長率 (CAGR) 提高 0.5 個百分點。
2024年第四季,晶圓合約價格較上季下降6.2%,預計2025年第一季將進一步下跌10-15%,之後略有回升。晶圓廠業者在擴大產能的同時,利潤率面臨壓力。鎧俠在其IPO招股說明書中揭露,其庫存僅夠維持90天,面臨進一步降價的風險。這種劇烈的價格波動已使預計複合年成長率下調0.5個百分點,並使2026年之前的現金流計劃變得複雜。
預計到2025年,3D NAND快閃記憶體將佔日本快閃記憶體市場48.45%的佔有率,這主要得益於資料中心向全Flash陣列的轉型以及汽車產業對UFS 4.0模組的廣泛應用。這一佔有率將構成日本快閃記憶體市場在整個預測期內的基石,並透過超過218層的高密度裝置保持具有競爭力的平均售價。三星和SK海力士正在大力推動300層裝置的部署,這給現有製造商帶來了成本壓力,同時也隨著Terabyte級封裝的普及擴大了潛在市場規模。
其他非揮發性儲存技術,主要是MRAM和ReRAM,預計將以4.05%的複合年成長率成長,這主要得益於汽車和工業設備對即時啟動功能和百萬次循環壽命的需求。鎧俠(Kioxia)和SK海力士(SK hynix)共同開發的OCTRAM交叉點設計是這快速成長的基礎。雖然NOR快閃記憶體和平面NAND快閃記憶體仍然用於傳統設計,但隨著垂直堆疊技術降低晶圓成本,它們的市佔率正在下降。受這些趨勢的影響,預計日本快閃記憶體市場將在預測期內向3D結構轉型,同時保持其多樣性。
到2025年,64GB至256GB容量等級的手機將佔總銷量的37.15%,這主要得益於智慧型手機材料清單(BOM)中對128GB和256GB容量的偏好。除了照片和影片檔案體積的不斷增大,營運商提供的無限資料通訊套餐也促使消費者選擇更大容量的手機。
預計512Gb以上容量的快閃記憶體市場將以3.62%的複合年成長率成長,隨著1TB儲存模組整合到人工智慧邊緣設備和ADAS平台中,日本該容量快閃記憶體市場的規模預計將會擴大。鎧俠(Kioxia)新推出的2Tb QLC晶片透過將1TB UFS組件整合到單一封裝中,加速了這項轉型。在微控制器和物聯網感測器領域,低容量快閃記憶體仍然至關重要,因為在這些應用中,能源效率和小型化比單純的容量更為重要。
According to Mordor Intelligence, Japan flash memory market size in 2026 is estimated at USD 3.25 billion, growing from 2025 value of USD 3.16 billion with 2031 projections showing USD 3.75 billion, growing at 2.90% CAGR over 2026-2031.

This report is Segmented by Memory Type (3D NAND, 2D NAND, NOR Flash, and More), Density (Up To 256 Mb, 512 Mb-2 Gb, and More), Interface/Form Factor (eMMC, UFS, SATA SSD, and More), End User Application (Data Center and Enterprise Servers, Mobile and Tablets, Automotive, Industrial and IoT Devices, and More), and Geography. The Market Forecasts are Provided in Terms of Value (USD).
Enterprise refresh cycles are shifting decisively toward NVMe storage, which delivers single-digit microsecond latency, thereby reducing rack footprints and power draw in data center clusters located in Tokyo and Osaka. Notebook makers are mirroring this shift as PCIe Gen4 drives become mainstream in mid-range systems. Western Digital's 218-layer BiCS devices now ship in volume, providing 3 drive writes per day endurance for finance and public-sector workloads. Consumer adoption is accelerating as the 5G rollout drives the need for local caching in routers and base stations. Together, these factors add 0.6 percentage points to overall growth, with peak influence expected between 2026 and 2028.
Premium handsets from Sony, Sharp, and Kyocera feature 256 GB and 512 GB storage, enabling 4K video capture and AI-driven imaging. Apple retains a commanding share, but local brands keep niche segments that value ruggedization and high-resolution cameras. Fifth-generation wireless penetration already covers more than half the subscriber base, driving photo and video file sizes higher. These trends deliver a 0.5 percentage-point uplift to the long-term CAGR.
Contract prices fell 6.2% quarter on quarter in 4Q 2024 and are forecast to dip another 10-15% in 1Q 2025 before a modest rebound. Fab operators face margin compression just as new capacity ramps. Kioxia flagged 90 days of inventory in its IPO prospectus, exposing it to further markdowns. This pricing whiplash subtracts 0.5 percentage points from the projected CAGR and complicates cash-flow planning through 2026.
Other drivers and restraints analyzed in the detailed report include:
For complete list of drivers and restraints, kindly check the Table Of Contents.
3D NAND captured 48.45% revenue in 2025 on the back of data-center conversions to all-flash arrays and automotive adoption of UFS 4.0 modules. This share anchors the Japan flash memory market through the forecast, with density scaling beyond 218 layers keeping average selling prices competitive. Samsung and SK hynix push toward 300-layer devices, putting cost pressure on incumbents yet widening the total addressable pool as terabyte-class packages proliferate.
Other non-volatile technologies, chiefly MRAM and ReRAM, are forecast to expand at a 4.05% CAGR as automotive and industrial equipment require instant-on capability and million-cycle endurance. Kioxia's OCTRAM crosspoint design, co-developed with SK hynix, underpins this surge. NOR and planar NAND linger in legacy designs but cede ground as vertical stacking shrinks die costs. These dynamics keep the Japan flash memory market diversified yet tilted toward 3D structures over the forecast window.
The 64 Gb-256 Gb class held 37.15% revenue in 2025, tied to smartphone bills of materials that favor 128 GB and 256 GB capacities. Rising photo and video file sizes, combined with carrier bundling of unlimited data, nudge consumers toward higher SKUs.
The 512 Gb-and-above bracket is projected to grow at a 3.62% CAGR, lifting the Japan flash memory market size for this density group as AI edge devices and ADAS platforms embed 1 TB storage modules. Kioxia's new 2 Tb QLC die enables single-package 1 TB UFS parts, accelerating the migration. Lower-density tiers remain vital for microcontrollers and IoT sensors where energy efficiency and tiny footprints outweigh raw capacity.