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电商部 
2026-01-29 12:07:34 Technological Breakthroughs of Domestic Wide-temperature SD Cards
Driven by localization and Industry 4.0, domestic wide-temperature SD cards break overseas monopolies, achieving full independent control and international advanced performance. Providing reliable storage support, they promote industrial intelligent upgrading and independent development.
Domestic wide-temperature SD cards realize full-link independence from components to production. Previously dependent on imported main control chips and NAND flash, facing supply chain risks and high costs, domestic products now use domestic components, supporting SLC/pSLC/TLC architectures. Independent design, R&D, packaging and testing reduce costs by over 30%, benefiting industrial enterprises.
Core performance meets international standards, with some indicators exceeding. Operating temperatures cover -40°C to 85°C, extending to -55°C to 105°C for military-grade models. Read speed exceeds 90MB/s, write speed ≥60MB/s, supporting UHS-I. Integrated protection technologies ensure 100,000+ write cycles, MTBF ≥3 million hours and 10+ year data retention, with advantages in anti-interference and low power consumption.
Localized customization and efficient after-sales are competitive edges. Domestic manufacturers offer personalized services for ships, aerospace and smart grids, with 7×24 local technical support, reducing downtime. Complying with national information security policies, domestic wide-temperature SD cards gain recognition in government procurement and major projects, widely used in industrial automation, military and automotive fields. Continuous iteration will further replace imports, boosting independent industrial development.
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