Page 37 from comparison Samsung PM991a NVMe M.2 512GB capacity

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Compare Asgard As2Ts3 S7 Sata 25 Inch 2Tbwith Samsung PM991a NVMe M.2 512GB capacity

Feature	Asgard As2Ts3 S7 Sata 25 Inch 2Tb	Samsung PM991a NVMe M.2 512GB capacity
Memory Usage Type	Internal	Internal
Memory Connection Port
Storage Connection Details
Device Design and Dimensions	2.5 inch
Memory Capacity	2 terabyte (tb)
Flash Memory Specifications
Controller		-
Sequential Read Speed	560 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	460 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
Random Read Speed	215 megabytes per second (mb/s)
Random Write Speed	210 megabytes per second (mb/s)
DRAM Memory	false	false
Average Lifespan	1,500,000 (MTBF) hour (h)	-
Power Consumption		-
NCQ Support	true	false
TRIM Support	true	false
RAID Support	false	false
S.M.A.R.T Support	false	false
Additional Features		-
Size and Dimensions	7 * 70 * 100 millimeter (mm)	-
LED Status Indicator	false	false

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Compare Biostar S100 120Gbwith Samsung PM991a NVMe M.2 512GB capacity

Biostar VS Samsung

Feature	Biostar S100 120Gb	Samsung PM991a NVMe M.2 512GB capacity
Memory Usage Type	Internal	Internal
Memory Connection Port
Storage Connection Details
Device Design and Dimensions	2.5 inch
Memory Capacity
Controller		-
Sequential Read Speed	530 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	380 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
DRAM Memory	false	false
Operating Temperature Range		-
NCQ Support	false	false
TRIM Support	false	false
RAID Support	false	false
S.M.A.R.T Support	false	false
Compatible Operating Systems	--- Operating System Compatibility Starts Here ---	-
Size and Dimensions	120 * 80 * 7 millimeter (mm)	-
Product Weight	36 gram (g)	-
LED Status Indicator	false	false
Flash Memory Specifications	-
Random Read Speed	-
Random Write Speed	-

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Compare Oscoo Black 001 Sata 25 Inch 256Gbwith Samsung PM991a NVMe M.2 512GB capacity

Oscoo VS Samsung

Feature	Oscoo Black 001 Sata 25 Inch 256Gb	Samsung PM991a NVMe M.2 512GB capacity
Memory Usage Type	Internal	Internal
Memory Connection Port
Storage Connection Details
Device Design and Dimensions	2.5 inch
Memory Capacity
Flash Memory Specifications
Sequential Read Speed	500 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	450 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
DRAM Memory	false	false
Operating Temperature Range	0 to 70 degrees Celsius	-
Operating Voltage	5 volt (v)	-
NCQ Support	true	false
TRIM Support	true	false
RAID Support	false	false
S.M.A.R.T Support	true	false
Body Material	Aluminum	-
Size and Dimensions	7 * 69.8 * 100 millimeter (mm)	-
LED Status Indicator	false	false
Random Read Speed	-
Random Write Speed	-

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Compare Adata Sx850 128Gbwith Samsung PM991a NVMe M.2 512GB capacity

Adata VS Samsung

Feature	Adata Sx850 128Gb	Samsung PM991a NVMe M.2 512GB capacity
Memory Usage Type	Internal	Internal
Memory Connection Port
Storage Connection Details
Device Design and Dimensions	2.5 inch
Memory Capacity
Flash Memory Specifications
Controller		-
Sequential Read Speed	550 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	300 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
DRAM Memory	true	false
Operating Temperature Range	0 to 70 degrees Celsius	-
Average Lifespan	2,000,000 (MTBF) hour (h)	-
NCQ Support	true	false
TRIM Support	true	false
RAID Support	true	false
S.M.A.R.T Support	true	false
Additional Features		-
Certifications and Approvals		-
Size and Dimensions	7 * 69.85 * 100.45 millimeter (mm)	-
Product Weight	47.5 gram (g)	-
LED Status Indicator	false	false
Random Read Speed	-
Random Write Speed	-

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Compare Ocpc Mbl 400 Nvme M2 2Tbwith Samsung PM991a NVMe M.2 512GB capacity

Ocpc VS Samsung

Feature	Ocpc Mbl 400 Nvme M2 2Tb	Samsung PM991a NVMe M.2 512GB capacity
Memory Usage Type	Internal	Internal
Memory Connection Port
Storage Connection Details
Device Design and Dimensions
Memory Capacity	2 terabyte (tb)
Flash Memory Specifications
Sequential Read Speed	5000 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	4600 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
DRAM Memory	false	false
Compatible Operating Systems	Windows / macOS / Linux	-
Size and Dimensions	3.5 * 22 * 80 millimeter (mm)	-
Product Weight	10 gram (g)	-
LED Status Indicator	false	false
Random Read Speed	-
Random Write Speed	-
NCQ Support	-	false
TRIM Support	-	false
RAID Support	-	false
S.M.A.R.T Support	-	false

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Compare Adata Legend 700 Nvme M2 512Gbwith Samsung PM991a NVMe M.2 512GB capacity

Adata VS Samsung

Feature	Adata Legend 700 Nvme M2 512Gb	Samsung PM991a NVMe M.2 512GB capacity
Memory Usage Type	Internal	Internal
Memory Connection Port
Storage Connection Details
Device Design and Dimensions
Memory Capacity
Flash Memory Specifications
Sequential Read Speed	2000 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	1600 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
Random Read Speed
Random Write Speed
DRAM Memory	false	false
Operating Temperature Range	0 to 70 degrees Celsius	-
Average Lifespan	1,500,000 hours (MTBF) / 480 Terabytes Written (TBW)	-
NCQ Support	false	false
TRIM Support	false	false
RAID Support	false	false
S.M.A.R.T Support	false	false
Additional Features		-
Color Options	Blue	-
Size and Dimensions	3.13 × 22 × 80 mm with heatsink / 2.15 × 22 × 80 mm without heatsink	-
Product Weight	9g with heatsink ** 6.2g without heatsink	-
LED Status Indicator	false	false

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Compare Biostar S120 Sata 2 5 Inch 240Gbwith Samsung PM991a NVMe M.2 512GB capacity

Biostar VS Samsung

Feature	Biostar S120 Sata 2 5 Inch 240Gb	Samsung PM991a NVMe M.2 512GB capacity
Memory Usage Type	Internal	Internal
Memory Connection Port
Storage Connection Details
Device Design and Dimensions	2.5 inch
Memory Capacity
Flash Memory Specifications
Sequential Read Speed	420 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	430 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
DRAM Memory	false	false
Operating Temperature Range		-
NCQ Support	false	false
TRIM Support	false	false
RAID Support	false	false
S.M.A.R.T Support	false	false
Compatible Operating Systems	--- Operating System Compatibility Starts Here ---	-
Additional Features		-
Size and Dimensions	7mm thickness	-
Product Weight	36 gram (g)	-
LED Status Indicator	false	false
Random Read Speed	-
Random Write Speed	-

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Western Digital Blue Sn570 Nvme M2 250Gb

Samsung VS Blu

Feature	Samsung PM991a NVMe M.2 512GB capacity	Western Digital Blue Sn570 Nvme M2 250Gb
Memory Usage Type	Internal	Internal
Memory Connection Port
Storage Connection Details
Device Design and Dimensions
Memory Capacity
Flash Memory Specifications
Sequential Read Speed	3100 megabytes per second (mb/s)	3300 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	1200 megabytes per second (mb/s)
Random Read Speed
Random Write Speed
DRAM Memory	false	false
NCQ Support	false	false
TRIM Support	false	false
RAID Support	false	false
S.M.A.R.T Support	false	false
LED Status Indicator	false	false
Average Lifespan	-	1,500,000 hours (MTTF) / 150 Terabytes Written (TBW)
Power Consumption	-
Additional Features	-
Certifications and Approvals	-
Size and Dimensions	-	2.38 * 22 * 80 millimeter (mm)
Product Weight	-	6.5 gram (g)

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Compare Adata Ultimate Su800 1Tbwith Samsung PM991a NVMe M.2 512GB capacity

Adata VS Samsung

Feature	Adata Ultimate Su800 1Tb	Samsung PM991a NVMe M.2 512GB capacity
Memory Usage Type	Internal	Internal
Memory Connection Port
Storage Connection Details
Device Design and Dimensions	2.5 inch
Memory Capacity	1 terabyte (tb)
Flash Memory Specifications
Controller		-
Sequential Read Speed	550 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	500 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
Random Read Speed
Random Write Speed
DRAM Memory	true	false
Operating Temperature Range		-
Average Lifespan	2,000,000 hours (MTTF) / 800 Terabytes Written (TBW)	-
NCQ Support	true	false
TRIM Support	true	false
RAID Support	true	false
S.M.A.R.T Support	true	false
Additional Features		-
Certifications and Approvals		-
Size and Dimensions	7 * 69.85 * 100.45 millimeter (mm)	-
Product Weight	47.5 gram (g)	-
LED Status Indicator	false	false

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Western Digital Black Sn750 Pcie M2 500Gb

Samsung VS Western Digital

Feature	Samsung PM991a NVMe M.2 512GB capacity	Western Digital Black Sn750 Pcie M2 500Gb
Memory Usage Type	Internal	Internal
Memory Connection Port
Storage Connection Details
Device Design and Dimensions
Memory Capacity
Flash Memory Specifications
Sequential Read Speed	3100 megabytes per second (mb/s)	3430 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	2600 megabytes per second (mb/s)
Random Read Speed
Random Write Speed
DRAM Memory	false	true
NCQ Support	false	false
TRIM Support	false	false
RAID Support	false	false
S.M.A.R.T Support	false	false
LED Status Indicator	false	false
Controller	-
DRAM Memory Type	-
Operating Temperature Range	-	0 to 70 degrees Celsius
Operating Voltage	-	2.8 ampere (a)
Average Lifespan	-	1,750,000 hours (MTTF) / 300 Terabytes Written (TBW)
Power Consumption	-
Additional Features	-	WD Black SSD Dashboard software with Gaming Mode support
Certifications and Approvals	-
Size and Dimensions	-	2.38 * 22 * 80 millimeter (mm)
Product Weight	-	7.5 gram (g)

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Teamgroup Mp44L Nvme M2 1Tb

Samsung VS Mg

Feature	Samsung PM991a NVMe M.2 512GB capacity	Teamgroup Mp44L Nvme M2 1Tb
Memory Usage Type	Internal	Internal
Memory Connection Port
Storage Connection Details
Device Design and Dimensions
Memory Capacity		1 terabyte (tb)
Flash Memory Specifications
Sequential Read Speed	3100 megabytes per second (mb/s)	5000 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	4500 megabytes per second (mb/s)
Random Read Speed		-
Random Write Speed		-
DRAM Memory	false	false
NCQ Support	false	false
TRIM Support	false	false
RAID Support	false	false
S.M.A.R.T Support	false	true
LED Status Indicator	false	false
Operating Temperature Range	-
Operating Voltage	-	3.3 volt (v)
Average Lifespan	-	1,500,000 hours (MTBF) / 600 Terabytes Written (TBW)
Compatible Operating Systems	-	Windows version 7 and later / Linux Kernel 2.6.33 and later
Additional Features	-
Size and Dimensions	-	2.25 * 22 * 80 millimeter (mm)

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Compare Kingspec P3 1Tbwith Samsung PM991a NVMe M.2 512GB capacity

KingSpec VS Samsung

Feature	Kingspec P3 1Tb	Samsung PM991a NVMe M.2 512GB capacity
Memory Usage Type	Internal	Internal
Memory Connection Port
Storage Connection Details
Device Design and Dimensions	2.5 inch
Memory Capacity	1 terabyte (tb)
Flash Memory Specifications
Controller		-
Sequential Read Speed	580 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	570 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
Random Read Speed
Random Write Speed
DRAM Memory	false	false
Operating Temperature Range	0 to 70 degrees Celsius	-
Operating Voltage	5 volt (v)	-
Average Lifespan	1,000,000 hours (MTBF) / 698 Terabytes Written (TBW)	-
Power Consumption	1.4W in active mode	-
NCQ Support	false	false
TRIM Support	false	false
RAID Support	false	false
S.M.A.R.T Support	true	false
Additional Features		-
Size and Dimensions	7 * 70 * 100.4 millimeter (mm)	-
LED Status Indicator	false	false

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