Technical detail
| manufacture | MRT |
| Flash Type | MLC and TLC (contact us if you need SLC) |
| Weight | 0.33g |
| Speed | 10-15MB/s by Write, 15-20MB/s by Read |
| Disk system | FAT 32 |
| Controller | Appotech and Alcor |
| Flash Brand | Samsung, Intel, and Toshiba |
| Warranty | 1 Year |
| Package | 50pcs per tray. Standard Packing: Bulk Package |
| Operating Temp | 0 to 60 °C (recommended) |
| Standard | SD 2.0 |
| Shipping Time | 3 - 5 days by DHL |
Testing Data
Micro SD 512MB memory cards are our standard supply, we regularly proceed reliability test and h2test on them. The quality, durability and reliability of Micro SD card is assured by rigorous tests in factory, every single card is perfectly working and packing under the technical examination. The principal for manufacturing memory cards is 100% MP testing, MRT only supplies memory products in Grade A.
Dimension for Micro SD: 15*11*1 (mm) / 0.04 x 0.59 x 0.43 inches
H2test result for bulk Micro SD 512MB:
Reliability test result:





























Steve M –
All I can say is great working for these bulk Micro SD 512MB. I ordered it every month for our speakers, so far I only get 3pcs defective cards out of my 4000pcs order. Also I always can get extra pcs when I purchase.