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Faqs
Q: What is the data retention of your industrial eMMC at 85°C?

A: Our industrial eMMC is designed for long-term data retention. Detailed retention curves are available in the datasheet.

Q: Do you offer eMMC with pSLC mode for higher endurance?

A: Yes, we can provide pSLC configuration for industrial applications requiring higher P/E cycles.

Q:What is the power consumption of your eMMC 5.1 in active and sleep mode?

A: Power consumption varies by capacity and mode. We can provide detailed power specs in the datasheet.

Q: Do your eMMC chips support command queue and cache?

A: Yes, our eMMC 5.1 supports command queue and cache functions for better performance.

Q: What is the boot partition size and RPMB support on your eMMC?

A: Our eMMC supports standard boot partitions and RPMB. Specific sizes depend on the model. Please share your target density.

Q: Do your eMMC 5.1 products support HS400 mode? What is the actual sequential read/write?

A: Yes. Our eMMC 5.1 supports HS400. Read up to 330MB/s, write up to 240MB/s.

Q: Which is better, SSD or eMMC?

A: Both are NAND-based solid-state storage, but designed for different scenarios. eMMC follows the MMC embedded standard, as a single packaged chip for low-power compact embedded products. SSD uses multiple NAND dies and a powerful independent controller, delivering significantly higher read/write performance.

Q: Is eMMC the same as flash memory?

A: Not exactly. eMMC is a complete packaged storage device consisting of NAND Flash die + built-in controller. The eMMC specification for embedded flash was released in 2006 by JEDEC and MultiMediaCard Association.

Q: Is eMMC more reliable than SD card?

A: Yes, physically eMMC is more robust. Since eMMC is soldered on PCB, it delivers superior shock and vibration resistance compared with pluggable SD cards. Both eMMC and SD cards integrate their own controllers with wear leveling functions, while neither handles the file system layer.

Q: What is the difference between SD card and eMMC?

A: eMMC is an embedded storage chip permanently soldered onto device motherboards, widely adopted in embedded, mobile and compact industrial devices. SD/microSD is a removable media that plugs into a card slot. Though both use NAND flash and may fulfill similar storage tasks, they are not direct substitutes for each other.

Q: Can you replace eMMC with an SSD?

A: Generally no. They differ greatly in physical form factor, interface and footprint. eMMC is a chip soldered to PCB, while SSD is a standalone removable storage module. They are not pin-compatible for direct swap.

Q: Can you expand eMMC storage?

A: The onboard eMMC storage itself cannot be expanded, as it is permanently mounted on the board. To add extra storage, you may use a microSD card via the dedicated slot or an external USB drive.

Q: Are eMMC cards removable?

A: No. eMMC chips are soldered directly onto the main PCB/motherboard and cannot be taken out.

Q: How long is the warranty period?

A: Our different products have different warranty periods. Mostly about one year. Don't worry, we have good after-sales service and technical support.

Q: Can I customize a logo?

A: Yes, we can customize various aspects, including logos, product labels, independent product packaging, and packaging cartons.