美光科技 20250924 摘要 美光科技 2025 财年收入增长近 50%，达 37.4 亿美元，毛利率提升 17 个百分点至 41%。HBM 高容量 DIMS 和 LP 服务器 DRAM 合并收入达 100 亿美元，同比增长超过五倍。数据中心 SSD 业务也创下历史收入和 市场份额记录，显示出强劲的增长势头。 美光在 HBM、下一代 DRAM 和 NAND 技术领域拥有领先地位，通过广 泛使用人工智能技术，生产率提高 30%至 40%。一代先进工艺节点已 成熟，第 9 代 NAND 生产稳步推进，并根据市场需求进行扩产，巩固了 其技术优势。 美光的数据中心业务收入占比达到历史新高 56%，毛利率为 52%。高 性能存储器（HPM）业务增长强劲，第四财季收入接近 20 亿美元，年 化运营率接近 80 亿美元。LPDDR5 服务器产品环比增长超过 50%，创 下收入纪录。 美光计划继续投资日本、新加坡和爱达荷州等地的新制造设施，以满足 未来先进存储技术需求。爱达荷州的新高容量制造厂预计 2027 年下半 年开始投产，并已启动第二个工厂的设计工作，进一步扩大产能。 Q&A 美光科技在 2025 财年第四季度的业 ...

Financial Data and Key Metrics Changes - Micron Technology achieved record revenue of $37.4 billion in fiscal 2025, a nearly 50% increase year-over-year, with gross margins expanding by 17 percentage points to 41% [4][20] - Fiscal Q4 revenue was $11.3 billion, up 22% sequentially and 46% year-over-year, marking a quarterly record [20] - Earnings per share (EPS) reached $8.29, reflecting a 538% increase compared to the prior year [20] Business Line Data and Key Metrics Changes - DRAM revenue in fiscal Q4 was a record $9 billion, up 69% year-over-year, representing 79% of total revenue [20] - NAND revenue for fiscal Q4 was $2.3 billion, down 5% year-over-year but up 5% sequentially [21] - The Cloud Memory Business Unit (CMBU) generated $4.5 billion, accounting for 40% of total revenue, with gross margins of 59% [22] Market Data and Key Metrics Changes - Data center business reached a record 56% of total company revenue in fiscal 2025, with gross margins of 52% [10] - The total server units in calendar 2025 are expected to grow approximately 10%, up from previous mid-single-digit growth expectations [9] - Smartphone unit shipment expectations remain unchanged at low single-digit percentage growth in calendar 2025, with an increasing mix of AI-ready smartphones [16] Company Strategy and Development Direction - Micron is positioned to benefit significantly from AI-driven demand, with a focus on advanced technologies like HBM and 1-gamma DRAM [5][29] - The company plans to continue investing in its manufacturing capabilities, including a new high-volume fab in Idaho and expansion in Japan and Singapore [8][9] - Micron aims to leverage its leadership in advanced technologies to maximize ROI and enhance product mix and profitability [5][10] Management's Comments on Operating Environment and Future Outlook - Management expressed confidence in strong demand across various end markets, including data centers, traditional servers, and AI applications [10][49] - The company anticipates continued tightness in DRAM supply and improving conditions in the NAND market [18][19] - Fiscal Q1 guidance reflects expectations for record revenue and EPS, with gross margins projected to strengthen [28] Other Important Information - Micron invested $13.8 billion in capital expenditures in fiscal 2025, with expectations for higher spending in fiscal 2026 [19] - The company achieved a significant increase in productivity through AI applications, with improvements in design and manufacturing processes [6] Q&A Session Summary Question: Guidance on revenue split between DRAM and NAND - Management indicated that the first quarter will have a heavier DRAM mix than NAND, with expectations for a 580 basis points sequential margin expansion driven by pricing and strong execution [32] Question: Update on HBM total addressable market (TAM) - Management reiterated the expectation for HBM TAM to reach $100 billion by 2030, with HBM bit CAGR expected to outgrow DRAM CAGR [36] Question: Transition from HBM3E to HBM4 - HBM4 production is expected to ramp in line with customer demand, with first shipments anticipated in the second quarter of 2026 [40] Question: DRAM demand sustainability - Management noted strong demand across AI applications, traditional servers, and smartphones, contributing to a healthy demand-supply environment [49] Question: CapEx breakdown for fiscal 2026 - Management stated that the majority of fiscal 2026 CapEx will be for DRAM-related construction and equipment, with a net CapEx guidance of around $18 billion [51]