• sd4b: 4 GB SD card
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.
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sd4b: 4 GB SD card

  • Brand: PC Engines
  • Product Code: sd4b
  • Availability:
  • $19.00