Bulk SD Cards Storage Capacity Class 4 SD Card

128MB SD Card

128MB SD Card Data logger

SD Memory Card 256MB

256MB SD Card Program Memory

512MB SD Card

512MB SD Card Program Memory

1GB Bulk SD Card

1GB SD Card Audio Memory

SD Card 2GB

2GB SD Card Tablet Memory


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Class 4 memory card storage capacity

What is class 4 sd card?

Class 4 SD card is secure digital card. It is a removable storage offering low capacity. The weight is as light as 2 grams, people use it in old mobile devices to expand the space for music, files, and photos.

SD Card in bulk is the first SD model released by SD Association. The main function of it is to store data, extend the loading space for the device and share information among different devices. SD memory card has been popular for almost 15 years; the application of SD Card is mostly for camera and GPS tracker.
As SD Card is for low capacity, the purchase of it is stable due to the limited sources.

The solution for SD Card 128MB, 256MB and 512MB is very rare, as the profits of them are less, most SD Card manufacturers are no longer producing them. However, MRT Memory team insists on producing SD card in all ranges, as we must satisfy all the demands from our clients. The warranty of low capacity SD Card is 1 year, we do the same aftersales service as the other memory products.

Where to USE SD cards?
Especially those low-end devices and old-fashioned gadgets, the demands of these SD cards in small capacities are still high. In fact, SD card offers consumers freedom to allocate the space in varies ways. Nowadays, you can find this tiny storage in camera, kid toy, Bluetooth speaker and mobile phones. Even for the laptops, they still have SD slot.
How is the demand for SD card?
The daily order for SD card can be as high as 80000pcs from MRT, the good sales is thanks to the competitive price, good quality and perfect service. What’s more, we must follow up the trend of market. Although there are many high ranks of storage, we still need SD card for basic products.
The life cycle for bulk SD card
It is a semiconductor product and consists of controller and flash. The main function is to store information in flash memory. Therefore, we can believe it is a precise media made by rigorous technology. The lifespan of it can be as long as 10 years, as if you use it in proper way.
The extra service for SD card
Wholesale SD Card class 4 is available for custom logo, package, and solution. In addition, MRT provides SD card copy service, it is free for any clients with 1000pcs order.
Guides for ordering SD Cards:
  • To check if the devices equipping with SD slot, as many clients like saying SD Cards for all memory cards, some are only working with Micro SD, but they mistakenly think these two are same cards; therefore you have to order before noting these details.
  • To confirm the space you need. As SD cards state for low capacity, if your devices need 4GB or above, you have to go for SDHC, and then there is no necessary to check the price of SD Card.
  • SD Cards are forward compatible with the slot supporting SDHC or SDXC. It means you could save much money on purchasing regular SD Cards for high-end cameras.
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