Page 14 from comparison Samsung 980 Pro Nvme M2 2Tb

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Feature	Lexar Nm620 Nvme M2 1Tb	Samsung 980 Pro Nvme M2 2Tb
Memory Usage Type	Internal	Internal
Memory Connection Port
Storage Connection Details
Device Design and Dimensions
Memory Capacity	1 terabyte (tb)	2 terabyte (tb)
Flash Memory Specifications
Controller
Sequential Read Speed	3300 megabytes per second (mb/s)	7000 megabytes per second (mb/s)
Sequential Write Speed	3000 megabytes per second (mb/s)	5100 megabytes per second (mb/s)
Random Read Speed
Random Write Speed
DRAM Memory	false	true
Operating Temperature Range
Average Lifespan	1,500,000 hours (MTBF) / 500 Terabytes Written (TBW)	1,500,000 hours (MTBF) / 1200 Terabytes Written (TBW)
NCQ Support	false	false
TRIM Support	false	true
RAID Support	false	false
S.M.A.R.T Support	false	true
Additional Features		-
Size and Dimensions	2.25 * 22 * 80 millimeter (mm)	2.38 * 22.15 * 80.15 millimeter (mm)
Product Weight	9 gram (g)	9 gram (g)
LED Status Indicator	false	false
DRAM Memory Type	-
Operating Voltage	-	3.3 volt (v)
Power Consumption	-
Encryption Technology	-

Samsung VS Samsung

Feature	Samsung 970 Evo Nvme M2 500Gb	Samsung 980 Pro Nvme M2 2Tb
Memory Usage Type	Internal	Internal
Memory Connection Port
Storage Connection Details
Device Design and Dimensions
Memory Capacity	2 terabyte (tb)
Flash Memory Specifications
Controller
Sequential Read Speed	7000 megabytes per second (mb/s)	3400 megabytes per second (mb/s)
Sequential Write Speed	5100 megabytes per second (mb/s)	2300 megabytes per second (mb/s)
Random Read Speed
Random Write Speed
DRAM Memory	true	true
DRAM Memory Type
Operating Temperature Range
Operating Voltage	3.3 volt (v)	3.3 volt (v)
Average Lifespan	1,500,000 hours (MTBF) / 1200 Terabytes Written (TBW)	1,500,000 hours (MTBF) / 300 Terabytes Written (TBW)
Power Consumption
NCQ Support	false	false
TRIM Support	true	true
RAID Support	false	false
S.M.A.R.T Support	true	true
Encryption Technology
Size and Dimensions	2.38 * 22.15 * 80.15 millimeter (mm)	2.38 * 22.15 * 80.15 millimeter (mm)
Product Weight	9 gram (g)	8 gram (g)
LED Status Indicator	false	false