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HSChapter 85
U.S. imports of solid-state non-volatile semiconductor storage devices (HS 852351) totaled $4.5B in April 2026, traded with 51 countries.
Importers of Solid-State Non-Volatile Semiconductor Storage Devices paid $1.5M in duties in April 2026 — an effective duty rate of 7.8% on $19.1M in dutiable value, based on actual customs collections rather than the published tariff schedule. Solid-State Non-Volatile Semiconductor Storage Devices imports of $4.5B in April 2026 ran 30% above the year-to-date monthly average of $3.5B.
Last updated: April 2026 dataSolid-state drives, NAND flash modules, eMMC components, and other non-volatile semiconductor storage devices — the backbone of modern computing, mobile, and enterprise storage infrastructure — enter under a single tariff line, 8523510000. South Korea and Taiwan dominate US supply, anchored by the global NAND flash manufacturing capacity of firms headquartered in those countries, with Vietnam and Malaysia serving as significant assembly and packaging locations. Goods of Chinese origin in this category may be subject to Section 301 tariffs, and importers sourcing through intermediary countries should maintain robust origin documentation to withstand CBP scrutiny on substantial transformation claims.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
CBP applies the substantial transformation test. Assembly of NAND flash chips onto a printed circuit board and integration into a finished SSD enclosure has generally been found to constitute a substantial transformation in the country of final assembly, making Vietnam the country of origin in that scenario. However, the specific operations performed and the degree of value added matter; importers should obtain a detailed manufacturing process description and consider requesting a binding ruling from CBP if origin is uncertain.
Solid-state storage devices of Chinese origin may be subject to Section 301 tariffs. Importers should verify the current tariff list coverage and any applicable exclusions through USTR's published guidance, as the scope and exclusion status of Section 301 measures have been revised multiple times. Given the complex, multi-country supply chains typical in semiconductor storage, origin determination is a recurring compliance focus.
| Country | Imports | Exports | Balance |
|---|---|---|---|
| KOREA, SOUTH | $1.4B | $977K | -$1.4B |
| VIETNAM | $1.0B | $108.1M | -$939.1M |
| MEXICO | $2.6M | $983.9M | +$981.3M |
| TAIWAN | $725.7M | $34.5M | -$691.2M |
| MALAYSIA | $527.7M | $41.5M | -$486.2M |
Monthly import values over time
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HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 8523510000 | SOLID-STATE NON-VOLATILE STORAGE DEVICES | $4.5B | 7.81% | $1.5M |
SOLID-STATE NON-VOLATILE STORAGE DEVICES
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 8523510000 | SOLID-STATE NON-VOLATILE STORAGE DEVICES | $1.5B |
SOLID-STATE NON-VOLATILE STORAGE DEVICES
4.9M no
MACH FOR RECP/CONVR/TRANS/REGN OF VOICE/IMAGE/DATA
HS 851762
SMARTPHONES
HS 851713
PROCESSORS AND CONTROLLERS, ELECTRONIC INTEG CIRCT
HS 854231
CONTROLS ETC W ELECT APPR F ELECT CONT NOV 1000 V
HS 853710
STATIC CONVERTERS; ADP POWER SUPPLIES
HS 850440
LITHIUM ION BATTERIES
HS 850760
| State | Imports | Exports | Balance |
|---|---|---|---|
| California | $1.9B | $191.4M | -$1.7B |
| Texas | $800.7M | $689.1M | -$111.5M |
| Arizona | $530.3M | $188.8M | -$341.5M |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| LOS ANGELES INTERNATIONAL AIRPORT, CA | $1.6B | $294.5M | -$1.3B |
| ANCHORAGE, AK | $1.2B | $14.8M | -$1.2B |
| NEW ORLEANS, LA | $564.1M | $59.6M | -$504.5M |