SUPPLY

全球DRAM供应

按厂商统一到EB口径，跟踪bit出货和份额变化。

Wu Zihao · 2026.07

2026

39.85 EB

2027

45.12 EB

年度bit增长

+13.2%

厂商	2025	2026E	2027E	2028E	份额 2027
三星	12.1 EB	13.1 EB	14.9 EB	17.1 EB	33%
SK海力士	10.1 EB	12.5 EB	14.25 EB	16.35 EB	31.6%
美光	6.8 EB	8.05 EB	9.4 EB	11.4 EB	20.8%
长鑫CXMT	2.75 EB	3.65 EB	3.9 EB	5.4 EB	8.6%
福建晋华/升微旭	0.65 EB	0.7 EB	0.75 EB	1.3 EB	1.7%
台系与其他	1.4 EB	1.85 EB	1.92 EB	2.1 EB	4.3%

SUPPLY / DEMAND

另一面：供应能否追上需求

2025

全球DRAM供应33.8 EB

需求中心33.4 EB

Gap-0.40 EB

2026E

全球DRAM供应39.85 EB

需求中心39.85 EB

Gap0.00 EB

2027E

全球DRAM供应45.12 EB

需求中心47.41 EB

Gap2.29 EB

2028E

全球DRAM供应53.65 EB

需求中心53.1 EB

Gap-0.55 EB