Western Digital Purple PR1334M Technical Reference Manual page 38

ATA Command Set
WRITE LOG EXT
WRITE LOG DMA EXT
WRITE MULTIPLE
WRITE MULTIPLE EXT
WRITE SECTOR(S)
WRITE SECTOR(S) EXT
WRITE UNCORRECTABLE EXT
26
COMMAND
RELEASED 5/3/17 (WD CONFIDENTIAL)
WD Purple PR1334M
HEX OPCODE
3F
57
C5
39
30
34
45
2679-800084-A04