I have used Integral cards for decades. Bought maybe as many as 60 (of various capacities) and very few of them did performed below their specified parameters. In general, I rate Integral cards, just below Lexar and better than Sandisk. Yet they are generally cheaper than Sandisk and much cheaper than Lexar.
The two 128 GB cards, that I bought few days ago, were tested inside the Asus i7 SD card slot, with the help of "H2testw" utility application ... and the read / write speeds were generally above 72 MByte / second. No doubt, if the cards were tested in dedicated USB 3.0 reader, the speeds would come closer to specified 90 MB/sec write and 100MB/sec read speeds. Both cards were supplied in Integral proprietary cartons, with 5 year warranty spelled out on packaging.
| Brand | Integral |
|---|---|
| Product Dimensions | 1.5 x 0.03 x 1.1 cm; 10 Grams |
| Batteries | 1 Lithium Ion batteries required. |
| Item model number | INMSDX64G-100/70V30 |
| Manufacturer | Integral |
| Series | Premium High Speed |
| RAM Size | 64 GB |
| Hard Disk Description | Memory Card |
| Hardware Platform | Windows, Android, Chrome OS, Mac OSX, iOS, Linux, Raspberry Pi, Fire OS, |
| Are Batteries Included | No |
| Lithium Battery Energy Content | 2 Kilowatt Hours |
| Lithium Battery Packaging | Batteries packed with equipment |
| Lithium Battery Weight | 2 Grams |
| Number Of Lithium Ion Cells | 5 |
| Number of Lithium Metal Cells | 5 |
| Item Weight | 10 g |
