On: M1 Mac owners are experiencing high SSD writes over short periods of time

[tpowell]

16GB/1TB about a month old:

  SMART/Health Information (NVMe Log 0x02)
  Critical Warning:                   0x00
  Temperature:                        32 Celsius
  Available Spare:                    100%
  Available Spare Threshold:          99%
  Percentage Used:                    0%
  Data Units Read:                    16,603,470 [8.50 TB]
  Data Units Written:                 15,747,066 [8.06 TB]
  Host Read Commands:                 95,905,593
  Host Write Commands:                62,087,286
  Controller Busy Time:               0
  Power Cycles:                       93
  Power On Hours:                     52
  Unsafe Shutdowns:                   7
  Media and Data Integrity Errors:    0
  Error Information Log Entries:      0

FWIW I've installed each incremental MacOS update the day it came out.

[code_duck → tpowell]

That's double the reads/writes of my 16 GB/1 TB 2020 Intel MBP for less than 1/3 the Power On Hours. Ratio between data total and read and write commands is quite different though.

    SMART/Health Information (NVMe Log 0x02)  
    Critical Warning:                   0x00  
    Temperature:                        32 Celsius  
    Available Spare:                    100%  
    Available Spare Threshold:          99%  
    Percentage Used:                    0% 
    Data Units Read:                    8,413,842 [4.30 TB]
    Data Units Written:                 8,138,306 [4.16 TB]
    Host Read Commands:                 187,292,832
    Host Write Commands:                154,212,201
    Controller Busy Time:               0
    Power Cycles:                       105
    Power On Hours:                     171