M.2 (2280) V-NAND TLC PCIe Gen 4.0 x4, NVMe 2.0
Spoiler 
=== START OF INFORMATION SECTION ===
Model Number: Samsung SSD 990 PRO with Heatsink 4TB
Serial Number: S7HRNJ0Y300108A
Firmware Version: 4B2QJXD7
PCI Vendor/Subsystem ID: 0x144d
IEEE OUI Identifier: 0x002538
Total NVM Capacity: 4,000,787,030,016 [4.00 TB]
Unallocated NVM Capacity: 0
Controller ID: 1
NVMe Version: 2.0
Number of Namespaces: 1
Namespace 1 Size/Capacity: 4,000,787,030,016 [4.00 TB]
Namespace 1 Utilization: 242,537,037,824 [242 GB]
Namespace 1 Formatted LBA Size: 512
Namespace 1 IEEE EUI-64: 002538 435141473f
Local Time is: Sun Nov 15 17:19:29 2026 EET
Firmware Updates (0x16): 3 Slots, no Reset required
Optional Admin Commands (0x0017): Security Format Frmw_DL Self_Test
Optional NVM Commands (0x0055): Comp DS_Mngmt Sav/Sel_Feat Timestmp
Log Page Attributes (0x2f): S/H_per_NS Cmd_Eff_Lg Ext_Get_Lg Telmtry_Lg *Other*
Maximum Data Transfer Size: 512 Pages
Warning Comp. Temp. Threshold: 82 Celsius
Critical Comp. Temp. Threshold: 85 Celsius
Supported Power States
St Op Max Active Idle RL RT WL WT Ent_Lat Ex_Lat
0 + 9.39W - - 0 0 0 0 0 0
1 + 9.39W - - 1 1 1 1 0 0
2 + 9.39W - - 2 2 2 2 0 0
3 - 0.0400W - - 3 3 3 3 4200 2700
4 - 0.0050W - - 4 4 4 4 500 21800
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: 34 Celsius
Available Spare: 100%
Available Spare Threshold: 10%
Percentage Used: 0%
Data Units Read: 477,605 [244 GB]
Data Units Written: 586,666 [300 GB]
Host Read Commands: 15,151,390
Host Write Commands: 18,617,968
Controller Busy Time: 29
Power Cycles: 6
Power On Hours: 127
Unsafe Shutdowns: 5
Media and Data Integrity Errors: 0
Error Information Log Entries: 0
Warning Comp. Temperature Time: 0
Critical Comp. Temperature Time: 0
Temperature Sensor 1: 34 Celsius
Temperature Sensor 2: 41 Celsius
Warning: NVMe Get Log truncated to 0x200 bytes, 0x200 bytes zero filled
Error Information (NVMe Log 0x01, 16 of 64 entries)
No Errors Logged
AH: 500
OK: 600