Page 19 from comparison Samsung PM991a NVMe M.2 512GB capacity

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Compare Kingstar G300 120Gbwith Samsung PM991a NVMe M.2 512GB capacity

Feature	Kingstar G300 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
Flash Memory Specifications
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)
DRAM Memory	false	false
NCQ Support	false	false
TRIM Support	false	false
RAID Support	true	false
S.M.A.R.T Support	false	false
Additional Features		-
Size and Dimensions	7 * 69 * 100 millimeter (mm)	-
Product Weight	35 gram (g)	-
LED Status Indicator	false	false
Random Read Speed	-
Random Write Speed	-

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Compare Lexar Nm100 M2 128Gbwith Samsung PM991a NVMe M.2 512GB capacity

Lexar VS Samsung

Feature	Lexar Nm100 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	550 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Random Read Speed
Random Write Speed
DRAM Memory	false	false
Operating Temperature Range		-
Average Lifespan	1,500,000 hours (MTBF) / 75 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		-
Size and Dimensions	2.25 * 22 * 80 millimeter (mm)	-
Product Weight	9 gram (g)	-
LED Status Indicator	false	false
Flash Memory Specifications	-
Sequential Write Speed	-	1800 megabytes per second (mb/s)

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Silicon Power P34A60 Nvme M2 512 Gb

Samsung VS Silicon Power

Feature	Samsung PM991a NVMe M.2 512GB capacity	Silicon Power P34A60 Nvme M2 512 Gb
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)	2200 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	1600 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	true
S.M.A.R.T Support	false	true
LED Status Indicator	false	false
Controller	-
Operating Temperature Range	-
Average Lifespan	-	2,000,000 hours (MTBF) / 300 Terabytes Written (TBW)
Compatible Operating Systems	-	Windows 8.1 and later
Certifications and Approvals	-
Size and Dimensions	-	3.5 * 22 * 80 millimeter (mm)
Product Weight	-	8 gram (g)

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Compare Samsung Mz Dpc5120A02 512Gbwith Samsung PM991a NVMe M.2 512GB capacity

Samsung VS Samsung

Feature	Samsung Mz Dpc5120A02 512Gb	Samsung PM991a NVMe M.2 512GB capacity
Memory Usage Type	Internal	Internal
Memory Connection Port
Storage Connection Details
Device Design and Dimensions	Apple-specific form factor
Memory Capacity
Flash Memory Specifications
DRAM Memory	false	false
NCQ Support	false	false
TRIM Support	false	false
RAID Support	false	false
S.M.A.R.T Support	false	false
Size and Dimensions	13 * 8 * 1 millimeter (mm)	-
Product Weight	30 gram (g)	-
LED Status Indicator	false	false
Sequential Read Speed	-	3100 megabytes per second (mb/s)
Sequential Write Speed	-	1800 megabytes per second (mb/s)
Random Read Speed	-
Random Write Speed	-

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Compare Kingston A400 240Gbwith Samsung PM991a NVMe M.2 512GB capacity

Kingston VS Samsung

Feature	Kingston A400 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
Controller		-
Sequential Read Speed	500 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	350 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
DRAM Memory	false	false
Operating Temperature Range		-
Average Lifespan	1,000,000 hours (MTBF) / 80 Terabytes Written (TBW)	-
Power Consumption	0.279W on average / 0.642W in read mode / 1.535W in write mode / 0.195W in standby mode	-
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 millimeter (mm)	-
Product Weight	41 gram (g)	-
LED Status Indicator	false	false
Random Read Speed	-
Random Write Speed	-

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Compare Pny Cs900 Sata 25 Inch 500Gbwith Samsung PM991a NVMe M.2 512GB capacity

PNY VS Samsung

Feature	Pny Cs900 Sata 25 Inch 500Gb	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	500 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
DRAM Memory	false	false
Operating Temperature Range		-
Average Lifespan	2,000,000 (MTBF) hour (h)	-
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	-
Certifications and Approvals		-
Size and Dimensions	7 * 69.85 * 99.06 millimeter (mm)	-
LED Status Indicator	false	false
Random Read Speed	-
Random Write Speed	-

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Compare Gudga Msata 256Gbwith Samsung PM991a NVMe M.2 512GB capacity

Gudga VS Samsung

Feature	Gudga Msata 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	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)
DRAM Memory	false	false
Operating Temperature Range		-
Operating Voltage	3.5 volt (v)	-
Average Lifespan	1,000,000 (MTBF) hour (h)	-
NCQ Support	false	false
TRIM Support	false	false
RAID Support	false	false
S.M.A.R.T Support	true	false
Compatible Operating Systems	Windows / macOS / Linux / Unix	-
Certifications and Approvals		-
Size and Dimensions	3.5 * 30 * 50 millimeter (mm)	-
LED Status Indicator	false	false
Random Read Speed	-
Random Write Speed	-

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Compare Adata Xpg Gammix S50 Lite Nvme M2 1Tbwith Samsung PM991a NVMe M.2 512GB capacity

Adata VS Samsung

Feature	Adata Xpg Gammix S50 Lite 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
Controller		-
Sequential Read Speed	3900 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	3200 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
Random Read Speed
Random Write Speed
DRAM Memory	true	false
DRAM Memory Type		-
Operating Temperature Range		-
Average Lifespan	2,000,000 hours (MTBF) / 740 Terabytes Written (TBW)	-
Power Consumption	0.33W in active mode / 0.14W in Slumber mode	-
NCQ Support	false	false
TRIM Support	true	false
RAID Support	true	false
S.M.A.R.T Support	true	false
Encryption Technology		-
Certifications and Approvals		-
Size and Dimensions	4.3 * 22 * 80 millimeter (mm)	-
Product Weight	10 gram (g)	-
LED Status Indicator	false	false

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Compare Samsung 870 Evo Sata 2 5 Inch 250Gbwith Samsung PM991a NVMe M.2 512GB capacity

Samsung VS Samsung

Feature	Samsung 870 Evo Sata 2 5 Inch 250Gb	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	530 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
Random Read Speed
Random Write Speed
DRAM Memory	true	false
DRAM Memory Type		-
Operating Temperature Range		-
Operating Voltage	5 volt (v)	-
Average Lifespan	1,500,000 hours (MTBF) / 150 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
Encryption Technology		-
Certifications and Approvals		-
Size and Dimensions	6.8 * 69.85 * 100 millimeter (mm)	-
Product Weight	45 gram (g)	-
LED Status Indicator	false	false

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Western Digital Black Sn850 Nvme M2 1Tb

Samsung VS Western Digital

Feature	Samsung PM991a NVMe M.2 512GB capacity	Western Digital Black Sn850 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)	7000 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	5300 megabytes per second (mb/s)
Random Read Speed
Random Write Speed
DRAM Memory	false	true
NCQ Support	false	false
TRIM Support	false	true
RAID Support	false	false
S.M.A.R.T Support	false	true
LED Status Indicator	false	true
Controller	-
DRAM Memory Type	-
Operating Temperature Range	-
Average Lifespan	-	600 (TBW) terabyte (tb)
Power Consumption	-
Encryption Technology	-
Compatible Operating Systems	-	Windows 8.1 and later
Size and Dimensions	-	2.38 x 22.15 x 80.15 mm (without heatsink) / 8.8 x 23.4 x 80.2 mm (with heatsink)
Product Weight	-	7.5 gram (g)

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Compare Patriot Viper Vpn100 Nvme M2 256 Gbwith Samsung PM991a NVMe M.2 512GB capacity

Patriot VS Samsung

Feature	Patriot Viper Vpn100 Nvme M2 256 Gb	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	3000 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	1000 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
Random Read Speed
Random Write Speed
DRAM Memory	true	false
DRAM Memory Type		-
Operating Temperature Range	0 to 70 degrees Celsius	-
Average Lifespan	200 (TBW) terabyte (tb)	-
NCQ Support	false	false
TRIM Support	false	false
RAID Support	false	false
S.M.A.R.T Support	false	false
Compatible Operating Systems	Windows version 7 and later	-
Additional Features	6 heat fins / Memory temperature monitoring capability / VIPER VPN100 SSD Toolbox software	-
Certifications and Approvals		-
Size and Dimensions	10.5 * 22 * 80 millimeter (mm)	-
Product Weight	25 gram (g)	-
LED Status Indicator	false	false

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Compare Afox Me300 Nvme M2 256Gbwith Samsung PM991a NVMe M.2 512GB capacity

Afox VS Samsung

Feature	Afox Me300 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	1400 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
DRAM Memory	false	false
Operating Temperature Range		-
Operating Voltage	5 volt (v)	-
NCQ Support	false	false
TRIM Support	false	false
RAID Support	false	false
S.M.A.R.T Support	false	false
Size and Dimensions	22 * 80 millimeter (mm)	-
LED Status Indicator	false	false
Random Read Speed	-
Random Write Speed	-

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