Free shipping
UP to 300pcswarranty
2yearslead time
2Dayssample
Free sampleMOQ
（minimal order quantity）Product description:
Technical detail
| manufacture | MRT |
| Flash Type | MLC and TLC |
| Weight | 0.33g |
| Speed | 4-8MB/s by Write, 10-15MB/s by Read |
| Disk system | FAT |
| Photos in 10MP | Can store around 1000 photos |
| HD video at 1080p | over an hour |
| MP3 format at 128kbps | Up to 70hrs |
| Operating Temp | 0 to 60 °C (recommended) |
| Standard | SD 2.0 |
| Shipping Time | 3 - 5 days by DHL |
H2test result for bulk Micro SD 4GB Class4
Micro SD 4GB memory cards are our standard products, average stock will reach 100k per day, the basic tests for them are reliability test and h2test. Every piece MRT manufactured is endurable, stable, long-life, and high quality, 100% MP testing is the principal for production. The inspection or examination is not just for finished products, the Nand flash has been passed aging tests to get good dies for memory cards.Reliability test result:
Micro SD 4GB Class4 Datasheetproduct detail
Micro SD Card 4GB Class 4, also referred to T-flash 4GB Card. It is for portable storage space to any device with a MicroSD Memory card slot. These tiny cards can expand the memory of your smartphone, GPS Device, Baby Monitor, Video Recorder and tablet, with the external storage, you can have enough space and capture more photos and videos, carry more files, and easily enjoy your favorite music wherever you go. Never let wrong storage keep you from recording good memories of the life, this flash card definitely can expand your storage capacity.
Quality standard
- Speed: 4MB/s by Write, 10-15MB/s by Read
- Package: 50pcs per tray. Standard Packing: Bulk Package
- Warranty: 2 years
- Lead Time for Wholesale Micro SDHC 4GB: within one day after order Confirmed; Shipping Time: 3 days by DHL.
- Whereto use: 4GB Memory card is small capacity in present market. As the popularization of 4K devices, the requested space for video, picture and the related files gets big, one single file may easily occupy 2gb or more. It turns 4GB to be so limit for daily use, however, it still has big demands due to lower cost, also it is one nice choice for giveaway. The application of 4GB Micro SD Card is mainly for old phones, GPS in low resolution, digital toys and free accessory.
- Performance: These Cards are shock proof, x-ray proof, temperature proof and waterproof.
- 3LC Code: Available for CPRM
- Flash used for Memory Card 4GB in USA: The controller for 4GB bulk Card is AS, AX, SMI and MX. As the digital devices are requested for loading videos, musics, pictures and the other data, one stable memory card will be in high demand. Therefore, the chip for 4GB Micro SD Card must be firmly applied, also the chip solution will be MLC and TLC.
- The available controller model for Micro SDHC 4GB Card: AX215DA, AS2689, SM2683, SM2685 and AS2683
- MLC Flash (Contact us if you go for SLC)
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