Note: Due to unprecedented shortages and rapid price increases in the 2026 NAND flash storage market, all memory card prices are for reference only and subject to requotation.
*The MOQ is 100 units, with tray packaging provided by default. Contact us for free samples and technical support.
512MB Micro SD Card Bulk
512MB Micro SD card provides a great value for basic storage needs such as promotional materials, short videos or guest photos. If you need Micro SD cards for mass duplication, this card will fit your budget. It also works with older mobile phones and other devices, such as data loggers, kid toys, fishing GPS. Buy 512MB SD card in bulk today to quickly expand storage for your devices.
Specifications
Capacity: 512MB
Form Factor: Micro SD
Speed Class: C4
Write Speed: 4 – 7MB/s
Read Speed: 10 – 20MB/s
Controller: AX, Appotech or Alcor
Nand Flash Type: MLC (Contact us for SLC)
Nand Flash Source: Samsung, Toshiba or Micron
Operating Temperature: -25°C to 85°C (-13°F to 185°F)
Storage Temperature: -40°C to 85°C (-40°F to 185°F)
Operating Voltage: 2.7V to 3.6V
Insertion/Removal Cycles: 10,000
Dimensions: 15 × 11 × 1 mm (0.59″ × 0.43″ × 0.04″)
Weight: 0.4g (0.01oz)
Warranty: 5-Year Limited Warranty
Verified Speed means that the real read and write performance of our memory cards matches the stated specifications, not just short-term “peak” speeds. By professionally matching controller chips with branded NAND flash, our products avoid sudden speed drops, write interruptions, and performance instability commonly caused by aggressive caching strategies or low-quality components. Every production batch undergoes real-world read and write verification, with a strong focus on sustained performance during continuous writing and repeated read/write cycles.
True Capacity means that the nominal capacity of a memory card accurately reflects its real, usable storage space. It does not mean “zero difference”; due to different calculation methods, the usable space shown on a computer is slightly less than the nominal value, which is normal and within industry standards. Neomory memory cards undergo strict capacity verification tests such as H2 and H5 to ensure stable read and write performance and full data integrity, even during long-term use or when the card is filled close to its maximum capacity.
Stable Reliability means that a memory card can deliver consistent, stable performance during long-term, repeated use. In many applications, stability matters more than extreme speed. We use mature controller solutions combined with branded NAND flash, and carry out basic stability verification and testing on every production batch. This helps minimize the risks of controller faults, inconsistent flash components, and compatibility issues, ensuring reliable performance.
Customization means we offer flexible solutions ranging from basic OEM services to fully customized storage products. We provide complete OEM and ODM services, including logo branding, casing and packaging design, and customized labeling specifications. Neomory also supports deep customization of key storage parameters such as capacity, speed class, controller solutions, flash memory type, and compatibility strategies. In addition, we provide data services such as data preloading and read-only locking based on actual application requirements and device usage scenarios.
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