Page 16 from comparison Adata Xpg Spectrix S40G Pcie M2 4Tb

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Feature	Adata Xpg Spectrix S40G Pcie M2 4Tb	Samsung 980 Pro Nvme M2 1Tb
Memory Usage Type	Internal	Internal
Memory Connection Port
Storage Connection Details
Device Design and Dimensions
Memory Capacity	4 terabyte (tb)	1 terabyte (tb)
Flash Memory Specifications
Sequential Read Speed	3500 megabytes per second (mb/s)	7000 megabytes per second (mb/s)
Sequential Write Speed	1900 megabytes per second (mb/s)	5000 megabytes per second (mb/s)
Random Read Speed
Random Write Speed
DRAM Memory	true	true
Operating Temperature Range
Average Lifespan	2,000,000 hours (MTBF) / 2560 Terabytes Written (TBW)	1,500,000 hours (MTBF) / 600 Terabytes Written (TBW)
Power Consumption	0.33W in active mode / 0.14W in standby mode
NCQ Support	false	false
TRIM Support	false	true
RAID Support	false	false
S.M.A.R.T Support	false	true
Encryption Technology
Additional Features		-
Certifications and Approvals		-
Size and Dimensions	8 * 22 * 80 millimeter (mm)	2.38 * 22.15 * 80.15 millimeter (mm)
Product Weight	13.4 gram (g)	9 gram (g)
LED Status Indicator	false	false
Controller	-
DRAM Memory Type	-
Operating Voltage	-	3.3 volt (v)

Adata VS Samsung

Feature	Adata Xpg Spectrix S40G Pcie M2 4Tb	Samsung 970 Evo Plus Pcie M2 1Tb
Memory Usage Type	Internal	Internal
Memory Connection Port
Storage Connection Details
Device Design and Dimensions
Memory Capacity	4 terabyte (tb)	1 terabyte (tb)
Flash Memory Specifications
Sequential Read Speed	3500 megabytes per second (mb/s)	3500 megabytes per second (mb/s)
Sequential Write Speed	1900 megabytes per second (mb/s)	3300 megabytes per second (mb/s)
Random Read Speed
Random Write Speed
DRAM Memory	true	true
Operating Temperature Range
Average Lifespan	2,000,000 hours (MTBF) / 2560 Terabytes Written (TBW)	1,500,000 hours (MTBF) / 600 Terabytes Written (TBW)
Power Consumption	0.33W in active mode / 0.14W in standby mode
NCQ Support	false	false
TRIM Support	false	true
RAID Support	false	false
S.M.A.R.T Support	false	true
Encryption Technology
Additional Features		-
Certifications and Approvals		-
Size and Dimensions	8 * 22 * 80 millimeter (mm)	2.38 * 22.15 * 80.15 millimeter (mm)
Product Weight	13.4 gram (g)	8 gram (g)
LED Status Indicator	false	false
Controller	-
DRAM Memory Type	-
Operating Voltage	-	3.3 volt (v)

Adata VS Adata

Feature	Adata Sd600Q 960Gb	Adata Xpg Spectrix S40G Pcie M2 4Tb
Memory Usage Type	Internal	External
Memory Connection Port		-
Storage Connection Details		-
Device Design and Dimensions		2.5 inch
Memory Capacity	4 terabyte (tb)
Flash Memory Specifications
Sequential Read Speed	3500 megabytes per second (mb/s)	440 megabytes per second (mb/s)
Sequential Write Speed	1900 megabytes per second (mb/s)	430 megabytes per second (mb/s)
Random Read Speed		-
Random Write Speed		-
DRAM Memory	true	false
Operating Temperature Range		-
Average Lifespan	2,000,000 hours (MTBF) / 2560 Terabytes Written (TBW)	-
Power Consumption	0.33W in active mode / 0.14W in standby mode	-
NCQ Support	false	false
TRIM Support	false	false
RAID Support	false	false
S.M.A.R.T Support	false	false
Encryption Technology		-
Additional Features		Supports Smart SLC Cache / Resistant to vibration and shock from a height of 1.22 meters / Supports Xbox One and PlayStation 4 game consoles
Certifications and Approvals		MIL-STD-810G 516.6 military standard / FCC, CE, KC, EAC, BSMI, RoHS
Size and Dimensions	8 * 22 * 80 millimeter (mm)	15.2 * 80 * 80 millimeter (mm)
Product Weight	13.4 gram (g)	60 gram (g)
LED Status Indicator	false	true
Connection Type	-	Micro-B to Type-A USB 3.2 Gen 1
Controller	-
Compatible Operating Systems	-	Windows version 8 and later / macOS X version 10.6 and later / Linux Kernel 2.6 and later / Android 5.0 and later
Body Material	-	Plastic