Mac里用了一年多的SSD的寿命损耗

2019.12 ~ 2021.2.26 用了一年多,Intel 760P 512G M.2 NVME,耗尽了寿命的17%,写入50.7T,读取50.5T

~ smartctl -a /dev/disk0
smartctl 7.2 2020-12-30 r5155 [Darwin 20.2.0 x86_64] (local build)
Copyright (C) 2002-20, Bruce Allen, Christian Franke, www.smartmontools.org

=== START OF INFORMATION SECTION ===
Model Number: INTEL SSDPEKKW512G8
Serial Number: PHHH925403KE512H
Firmware Version: 004C
PCI Vendor/Subsystem ID: 0x8086
IEEE OUI Identifier: 0x5cd2e4
Controller ID: 1
NVMe Version: 1.3
Number of Namespaces: 1
Local Time is: Fri Feb 26 17:34:39 2021 CST
Firmware Updates (0x14): 2 Slots, no Reset required
Optional Admin Commands (0x0017): Security Format Frmw_DL Self_Test
Optional NVM Commands (0x005f): Comp Wr_Unc DS_Mngmt Wr_Zero Sav/Sel_Feat Timestmp
Log Page Attributes (0x0f): S/H_per_NS Cmd_Eff_Lg Ext_Get_Lg Telmtry_Lg
Maximum Data Transfer Size: 64 Pages
Warning Comp. Temp. Threshold: 75 Celsius
Critical Comp. Temp. Threshold: 80 Celsius

Supported Power States
St Op Max Active Idle RL RT WL WT Ent_Lat Ex_Lat
0 + 9.00W – – 0 0 0 0 0 0
1 + 4.60W – – 1 1 1 1 0 0
2 + 3.80W – – 2 2 2 2 0 0
3 – 0.0450W – – 3 3 3 3 2000 2000
4 – 0.0040W – – 4 4 4 4 6000 8000

=== START OF SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED

SMART/Health Information (NVMe Log 0x02)
Critical Warning: 0x00
Temperature: 39 Celsius
Available Spare: 100%
Available Spare Threshold: 12%
Percentage Used: 17%
Data Units Read: 98,652,192 [50.5 TB]
Data Units Written: 99,204,979 [50.7 TB]
Host Read Commands: 2,489,656,181
Host Write Commands: 1,802,678,990
Controller Busy Time: 41,693
Power Cycles: 3,083
Power On Hours: 5,473
Unsafe Shutdowns: 4
Media and Data Integrity Errors: 0
Error Information Log Entries: 0
Warning Comp. Temperature Time: 0
Critical Comp. Temperature Time: 0

Error Information (NVMe Log 0x01, 16 of 256 entries)
No Errors Logged

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