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On Linux, displaying and knowing your NVME m.2 temperature

Published: Sunday, July 5, 2020 written by Andy Flagg
View Count: 38
Keywords: Linux Mint, NVME m.2 2280, temperature, nvme-cli

For those of you worried about your NMVe m.2 2280 temperatures, you can install the nvme client tools and then view your temps and stats to see where you stand.
sudo apt install nvme-cli
To see what NMVe devicies you have installed, execute the terminal command lsblk  and that should show you:
(base) andyf@MTN-SYS:~$ lsblk
sda           8:0    0   3.7T  0 disk
└─sda1        8:1    0   3.7T  0 part /media/andyf/4TBdata
nvme0n1     259:0    0 931.5G  0 disk
└─nvme0n1p1 259:1    0 931.5G  0 part /
then you can execute the following terminal command.
(base) andyf@MTN-SYS:~$ sudo nvme smart-log /dev/nvme0
Smart Log for NVME device:nvme0 namespace-id:ffffffff
critical_warning                    : 0
temperature                         : 46 C
available_spare                     : 100%
available_spare_threshold           : 10%
percentage_used                     : 0%
data_units_read                     : 6,216,851
data_units_written                  : 7,989,856
host_read_commands                  : 137,474,756
host_write_commands                 : 52,328,597
controller_busy_time                : 376
power_cycles                        : 189
power_on_hours                      : 373
unsafe_shutdowns                    : 13
media_errors                        : 0
num_err_log_entries                 : 274
Warning Temperature Time            : 0
Critical Composite Temperature Time : 0
Temperature Sensor 1                : 46 C
Temperature Sensor 2                : 53 C
Thermal Management T1 Trans Count   : 0
Thermal Management T2 Trans Count   : 0
Thermal Management T1 Total Time    : 0
Thermal Management T2 Total Time    : 0
That should do it. My NVMe 970 has a fan on it, not a heat sink, and my video card fans are blowing across it. It's not hot to the touch either yet under load, we'll have to see and look at those logs and trigger thresholds.
more to come....

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