Page 40 from comparison Samsung PM991a NVMe M.2 512GB capacity

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Compare Addlink S70 Nvme M2 1Tbwith Samsung PM991a NVMe M.2 512GB capacity

Feature	Addlink S70 Nvme M2 1Tb	Samsung PM991a NVMe M.2 512GB capacity
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	3200 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	2600 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
DRAM Memory	false	false
Operating Temperature Range		-
Average Lifespan	1,800,000 (MTBF) hour (h)	-
NCQ Support	false	false
TRIM Support	true	false
RAID Support	true	false
S.M.A.R.T Support	true	false
Compatible Operating Systems	Windows 10 and later	-
Additional Features	Advanced ECC Algorithm / SLC Cache support	-
Size and Dimensions	3.5 * 22 * 80 millimeter (mm)	-
LED Status Indicator	false	false
Random Read Speed	-
Random Write Speed	-

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Compare Intel Optane Memory M10 Pcie M2 16Gbwith Samsung PM991a NVMe M.2 512GB capacity

Intel VS Samsung

Feature	Intel Optane Memory M10 Pcie M2 16Gb	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	900 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	150 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
Random Read Speed
Random Write Speed
DRAM Memory	false	false
Operating Temperature Range		-
Average Lifespan	1,600,000 hours (MTBF) / 365 Terabytes Written (TBW)	-
Power Consumption		-
NCQ Support	false	false
TRIM Support	false	false
RAID Support	false	false
S.M.A.R.T Support	false	false
Size and Dimensions	9 * 22 * 80 millimeter (mm)	-
Product Weight	10 gram (g)	-
LED Status Indicator	false	false

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Compare Kingmax Smq32 Sata 2 5 Inch 480Gbwith Samsung PM991a NVMe M.2 512GB capacity

Kingmax VS Samsung

Feature	Kingmax Smq32 Sata 2 5 Inch 480Gb	Samsung PM991a NVMe M.2 512GB capacity
Memory Usage Type	External	Internal
Memory Connection Port
Storage Connection Details
Device Design and Dimensions	2.5 inch
Memory Capacity
Sequential Read Speed	540 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	480 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
Random Read Speed
Random Write Speed
DRAM Memory	false	false
Operating Temperature Range		-
Operating Voltage	5 volt (v)	-
Average Lifespan	1,500,000 (MTBF) hour (h)	-
Power Consumption		-
NCQ Support	false	false
TRIM Support	false	false
RAID Support	false	false
S.M.A.R.T Support	false	false
Additional Features		-
Size and Dimensions	7 * 69.9 * 100.5 millimeter (mm)	-
Product Weight	71 gram (g)	-
Flash Memory Specifications	-
LED Status Indicator	-	false

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Compare Leven Js300 Sata 2 5 Inch 480Gbwith Samsung PM991a NVMe M.2 512GB capacity

Leven VS Samsung

Feature	Leven Js300 Sata 2 5 Inch 480Gb	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	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
Random Write Speed
DRAM Memory	false	false
Operating Temperature Range	0 to 70 degrees Celsius	-
Average Lifespan	2,000,000 (MTBF) hour (h)	-
NCQ Support	false	false
TRIM Support	false	false
RAID Support	false	false
S.M.A.R.T Support	false	false
Certifications and Approvals		-
Product Weight	40 gram (g)	-
LED Status Indicator	false	false

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Compare Msi Spatium M461 Nvme M2 2Tbwith Samsung PM991a NVMe M.2 512GB capacity

msi VS Samsung

Feature	Msi Spatium M461 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
Controller		-
Sequential Read Speed	5000 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	4200 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) / 450 Terabytes Written (TBW)	-
Power Consumption		-
NCQ Support	false	false
TRIM Support	true	false
RAID Support	false	false
S.M.A.R.T Support	true	false
Additional Features	Advanced LDPC ECC error correction algorithm / End-to-end (E2E) data protection during transmission / Pyrite feature for data encryption and security	-
Size and Dimensions	2.15 * 22 * 80 millimeter (mm)	-
LED Status Indicator	false	false

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Compare Pny Cs2140 Nvme M2 500Gbwith Samsung PM991a NVMe M.2 512GB capacity

PNY VS Samsung

Feature	Pny Cs2140 Nvme M2 500Gb	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
Controller		-
Sequential Read Speed	3600 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	2300 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
DRAM Memory	false	false
NCQ Support	false	false
TRIM Support	false	false
RAID Support	false	false
S.M.A.R.T Support	true	false
Size and Dimensions	4 * 22 * 80 millimeter (mm)	-
Product Weight	100 gram (g)	-
LED Status Indicator	false	false
Random Read Speed	-
Random Write Speed	-

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Compare Ocpc Mfl 300 Nvme M2 128Gbwith Samsung PM991a NVMe M.2 512GB capacity

Ocpc VS Samsung

Feature	Ocpc Mfl 300 Nvme M2 128Gb	Samsung PM991a NVMe M.2 512GB capacity
Memory Usage Type	Internal	Internal
Memory Connection Port
Storage Connection Details
Device Design and Dimensions
Memory Capacity
Sequential Read Speed	700 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	600 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
Random Read Speed
Random Write Speed
DRAM Memory	false	false
NCQ Support	false	false
TRIM Support	true	false
RAID Support	false	false
S.M.A.R.T Support	true	false
Compatible Operating Systems	Windows / macOS / Linux	-
Additional Features	ECC (Error Correction Code) Algorithm	-
Flash Memory Specifications	-
LED Status Indicator	-	false

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Seagate Barracuda Q5 Nvme M2 2Tb

Samsung VS Seagate

Feature	Samsung PM991a NVMe M.2 512GB capacity	Seagate Barracuda Q5 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
Sequential Read Speed	3100 megabytes per second (mb/s)	2400 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
Random Read Speed		-
Random Write Speed		-
DRAM Memory	false	false
NCQ Support	false	false
TRIM Support	false	true
RAID Support	false	false
S.M.A.R.T Support	false	true
LED Status Indicator	false	false
Operating Temperature Range	-
Average Lifespan	-	1,800,000 hours (MTBF) / 531 Terabytes Written (TBW)
Power Consumption	-
Compatible Operating Systems	-	Windows version 8.1 and later / Linux
Additional Features	-
Certifications and Approvals	-
Size and Dimensions	-	2.15 * 22 * 80 millimeter (mm)
Product Weight	-	7 gram (g)

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Toshiba N300 Nas Sata 35 Inch 12Tb

Samsung VS Toshiba

Feature	Samsung PM991a NVMe M.2 512GB capacity	Toshiba N300 Nas Sata 35 Inch 12Tb
Memory Usage Type	Internal	Internal
Memory Connection Port
Storage Connection Details
Device Design and Dimensions		3.5 inch
Memory Capacity		12 terabyte (tb)
Flash Memory Specifications		-
Sequential Read Speed	3100 megabytes per second (mb/s)	-
Sequential Write Speed	1800 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	true
S.M.A.R.T Support	false	false
LED Status Indicator	false	-
Operating Temperature Range	-
Operating Voltage	-	12 volt (v)
Average Lifespan	-	1,000,000 hours (MTBF) / 180 Terabytes Written (TBW)
Power Consumption	-	6.13W in active mode / 3.78W in Idle mode
Certifications and Approvals	-
Size and Dimensions	-	26.1 * 101.85 * 147 millimeter (mm)
Product Weight	-	720 gram (g)

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Compare Adata Legend 700 Nvme M2 256Gbwith Samsung PM991a NVMe M.2 512GB capacity

Adata VS Samsung

Feature	Adata Legend 700 Nvme M2 256Gb	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 Dahua C800A Sata 25 Inch 512Gbwith Samsung PM991a NVMe M.2 512GB capacity

Dahua VS Samsung

Feature	Dahua C800A Sata 25 Inch 512Gb	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	550 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	470 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
DRAM Memory	false	false
Operating Temperature Range	0 to 70 degrees Celsius	-
Average Lifespan	1,500,000 hours (MTBF) / 200 Terabytes Written (TBW)	-
Power Consumption		-
NCQ Support	true	false
TRIM Support	true	false
RAID Support	false	false
S.M.A.R.T Support	true	false
Additional Features		-
Size and Dimensions	7 * 69.9 * 100.2 millimeter (mm)	-
Product Weight	40 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 Seagate Firecuda 530 Heatsink 4Tb

Samsung VS Seagate

Feature	Samsung PM991a NVMe M.2 512GB capacity	Seagate Firecuda 530 Heatsink 4Tb
Memory Usage Type	Internal	Internal
Memory Connection Port
Storage Connection Details
Device Design and Dimensions
Memory Capacity		4 terabyte (tb)
Flash Memory Specifications
Sequential Read Speed	3100 megabytes per second (mb/s)	7250 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	6900 megabytes per second (mb/s)
Random Read Speed
Random Write Speed
DRAM Memory	false	false
NCQ Support	false	false
TRIM Support	false	true
RAID Support	false	false
S.M.A.R.T Support	false	true
LED Status Indicator	false	false
Operating Temperature Range	-
Average Lifespan	-	1,800,000 hours (MTBF) / 5100 Terabytes Written (TBW)
Power Consumption	-
Certifications and Approvals	-
Size and Dimensions	-	11.04 * 24.2 * 80.16 millimeter (mm)
Product Weight	-	47 gram (g)

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