I. Mainstream Storage Chip Categories and Their Advantages

1. DRAM (Dynamic Random Access Memory)
   • Advantages:
     • High-speed read and write: Suitable for frequent data read/write operations with fast response times.
     • Cost-effective: Lower unit storage cost, ideal for large-capacity needs.
   • Applications:
     • Main memory for computers and servers.
     • Game consoles, embedded systems, and other applications requiring large-capacity cache.
2. SRAM (Static Random Access Memory)
   • Advantages:
     • Ultra-fast read and write: Extremely short response times, suitable for high-speed caching.
     • Non-volatile: Data is retained even after power loss, ideal for critical data storage.
   • Applications:
     • CPU caches, routers, and other scenarios requiring extremely high speed.
3. NAND Flash
   • Advantages:
     • High storage density: Large storage capacity per unit area, ideal for large-capacity storage.
     • Non-volatile: Data is retained even after power loss, suitable for mobile devices.
   • Applications:
     • Solid-state drives (SSDs), USB flash drives, mobile phone storage, and other large-capacity storage devices.
4. NOR Flash
   • Advantages:
     • Fast read speeds: Suitable for directly executing stored code.
     • Non-volatile: Data is retained even after power loss, ideal for storing boot code.
   • Applications:
     • Storing boot code, microcontroller programs, and other similar uses.
5. TLC (Triple-Level Cell)
   • Advantages:
     • High storage density: Each storage unit holds 3 bits of information, offering low unit storage costs.
     • Cost-effective for large-capacity storage: High性价比, suitable for video storage and other large-capacity needs.
   • Applications:
     • Video storage, large-capacity needs for ordinary users.
6. MLC (Multi-Level Cell)
   • Advantages:
     • Balanced storage density and lifespan: Each storage unit holds 2 bits of information with a moderate lifespan.
     • Moderate cost: Suitable for a variety of application scenarios with moderate unit storage costs.
   • Applications:
     • Scenarios requiring higher storage density and relatively better performance and lifespan.
7. SLC (Single-Level Cell)
   • Advantages:
     • High-speed read and write: Each storage unit holds 1 bit of information, ensuring fast read/write speeds.
     • Long lifespan: High endurance for write/erase cycles, suitable for high-reliability, long-lifespan applications.
   • Applications:
     • Industrial control, high-end enterprise applications.
8. QLC (Quad-Level Cell)
   • Advantages:
     • Highest storage density: Each storage unit holds 4 bits of information with the lowest unit storage cost.
     • Ideal for large-scale storage: Suitable for large-scale storage needs such as data centers.
   • Applications:
     • Large-scale data center storage, cold storage.

II. Performance Comparison Summary

III. Selection Recommendations

• Ordinary Users: TLC offers the best cost-performance ratio, suitable for everyday use and large-capacity needs.
• Professional Users: High-end TLC (such as those with independent cache) or enterprise-grade MLC, suitable for scenarios requiring higher performance and lifespan.
• Enterprise Applications: 3D QLC for cold storage, SLC/MLC for high-frequency write and high-reliability needs.

IV. Conclusion