Ich habe meine beiden Lexar NM790 zum selben Zeitpunkt in Betrieb genommen, dennoch sind Schreib-/Leserate und PowerOn Zeit völlig unterschiedlich. Woher kann das kommen?
Ruhezustand bei allen Laufwerken aus
NVME 1
Code
smartctl 7.4 2023-08-01 r5530 [x86_64-linux-6.12.30+] (local build)
Copyright (C) 2002-23, Bruce Allen, Christian Franke, www.smartmontools.org
=== START OF INFORMATION SECTION ===
Model Number: Lexar SSD NM790 1TB
Serial Number:
Firmware Version: SN28192
PCI Vendor/Subsystem ID: 0x1d97
IEEE OUI Identifier: 0xcaf25b
Total NVM Capacity: 1,024,209,543,168 [1.02 TB]
Unallocated NVM Capacity: 0
Controller ID: 0
NVMe Version: 2.0
Number of Namespaces: 1
Namespace 1 Size/Capacity: 1,024,209,543,168 [1.02 TB]
Namespace 1 Formatted LBA Size: 512
Namespace 1 IEEE EUI-64: caf25b 0310000121
Local Time is: Mon Sep 1 21:28:24 2025 CEST
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 (0x0e): Cmd_Eff_Lg Ext_Get_Lg Telmtry_Lg
Maximum Data Transfer Size: 128 Pages
Warning Comp. Temp. Threshold: 90 Celsius
Critical Comp. Temp. Threshold: 95 Celsius
Supported Power States
St Op Max Active Idle RL RT WL WT Ent_Lat Ex_Lat
0 + 6.50W - - 0 0 0 0 0 0
1 + 5.80W - - 1 1 1 1 0 0
2 + 3.60W - - 2 2 2 2 0 0
3 - 0.0500W - - 3 3 3 3 5000 10000
4 - 0.0025W - - 4 4 4 4 8000 41000
Supported LBA Sizes (NSID 0x1)
Id Fmt Data Metadt Rel_Perf
0 + 512 0 0
=== START OF SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED
SMART/Health Information (NVMe Log 0x02)
Critical Warning: 0x00
Temperature: 35 Celsius
Available Spare: 100%
Available Spare Threshold: 10%
Percentage Used: 0%
Data Units Read: 12,773,983 [6.54 TB]
Data Units Written: 29,418,083 [15.0 TB]
Host Read Commands: 25,300,301
Host Write Commands: 104,079,967
Controller Busy Time: 347
Power Cycles: 70
Power On Hours: 50
Unsafe Shutdowns: 2
Media and Data Integrity Errors: 0
Error Information Log Entries: 0
Warning Comp. Temperature Time: 0
Critical Comp. Temperature Time: 0
Temperature Sensor 1: 35 Celsius
Temperature Sensor 2: 33 Celsius
Error Information (NVMe Log 0x01, 16 of 64 entries)
No Errors Logged
Read Self-test Log failed: Invalid Field in Command (0x002)
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NVME 2
Code
smartctl 7.4 2023-08-01 r5530 [x86_64-linux-6.12.30+] (local build)
Copyright (C) 2002-23, Bruce Allen, Christian Franke, www.smartmontools.org
=== START OF INFORMATION SECTION ===
Model Number: Lexar SSD NM790 1TB
Serial Number:
Firmware Version: SN28192
PCI Vendor/Subsystem ID: 0x1d97
IEEE OUI Identifier: 0xcaf25b
Total NVM Capacity: 1,024,209,543,168 [1.02 TB]
Unallocated NVM Capacity: 0
Controller ID: 0
NVMe Version: 2.0
Number of Namespaces: 1
Namespace 1 Size/Capacity: 1,024,209,543,168 [1.02 TB]
Namespace 1 Formatted LBA Size: 512
Namespace 1 IEEE EUI-64: caf25b 0320000133
Local Time is: Mon Sep 1 21:29:27 2025 CEST
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 (0x0e): Cmd_Eff_Lg Ext_Get_Lg Telmtry_Lg
Maximum Data Transfer Size: 128 Pages
Warning Comp. Temp. Threshold: 90 Celsius
Critical Comp. Temp. Threshold: 95 Celsius
Supported Power States
St Op Max Active Idle RL RT WL WT Ent_Lat Ex_Lat
0 + 6.50W - - 0 0 0 0 0 0
1 + 5.80W - - 1 1 1 1 0 0
2 + 3.60W - - 2 2 2 2 0 0
3 - 0.0500W - - 3 3 3 3 5000 10000
4 - 0.0025W - - 4 4 4 4 8000 41000
Supported LBA Sizes (NSID 0x1)
Id Fmt Data Metadt Rel_Perf
0 + 512 0 0
=== START OF SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED
SMART/Health Information (NVMe Log 0x02)
Critical Warning: 0x00
Temperature: 33 Celsius
Available Spare: 100%
Available Spare Threshold: 10%
Percentage Used: 1%
Data Units Read: 437,400 [223 GB]
Data Units Written: 41,493,710 [21.2 TB]
Host Read Commands: 4,143,362
Host Write Commands: 119,362,102
Controller Busy Time: 339
Power Cycles: 70
Power On Hours: 25
Unsafe Shutdowns: 2
Media and Data Integrity Errors: 0
Error Information Log Entries: 0
Warning Comp. Temperature Time: 0
Critical Comp. Temperature Time: 0
Temperature Sensor 1: 33 Celsius
Temperature Sensor 2: 35 Celsius
Error Information (NVMe Log 0x01, 16 of 64 entries)
No Errors Logged
Read Self-test Log failed: Invalid Field in Command (0x002)
Display More