1. homebrew로 smartmontools 설치

brew install smartmontools

2. 아래 명령어 실행

sudo smartctl --all /dev/disk0

3. 내용 확인

SMART overall-health self-assessment test result: PASSED

SMART/Health Information (NVMe Log 0x02)

Critical Warning: 0x00

Temperature: 38 Celsius

Available Spare: 100%

Available Spare Threshold: 99%

Percentage Used: 0%

Data Units Read: 8,931,687 [4.57 TB]

Data Units Written: 5,407,386 [2.76 TB]

Host Read Commands: 245,873,568

Host Write Commands: 87,932,954

Controller Busy Time: 0

Power Cycles: 137

Power On Hours: 165

Unsafe Shutdowns: 10

Media and Data Integrity Errors: 0

Error Information Log Entries: 0

Read 1 entries from Error Information Log failed: GetLogPage failed: system=0x38, sub=0x0, code=745

(대충 보아하니 사용량이 0%에 가까운듯 하다. 역시 새로한 맥북이라 그런가..)