| sd4b |
4 GB SD card |
|---|
| Status
| active
|
| Part numbers
| sd4b = 4 GB SD card, pSLC flash, RoHS compliant
|
| Spec
| 4 GB mSATA SSD, Phison controller, MLC NAND flash operated in pseudo SLC mode
|
| Use with
| apu1..4 series system boards
|
| Update
| Upcoming production batches (from 5/2018) will NOT support CPRM (content protection for removable media).
|
| About pSLC
| pSLC / pseudo SLC means that MLC flash (2 bits per cell, 4 voltage levels)
is used in SLC mode (1 bit per cell, 2 voltage levels). This reduces capacity
by half, but ensures better endurance and write performance.
|
| Manufacturer
| Data Power / Phison
|
| Origin
| Taiwan
|
 |
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. |
