Page 7 from comparison Samsung PM991a NVMe M.2 512GB capacity

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Compare Patriot Burst 240Gbwith Samsung PM991a NVMe M.2 512GB capacity

Feature	Patriot Burst 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	555 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
DRAM Memory Type		-
Operating Temperature Range		-
Operating Voltage	5 volt (v)	-
Average Lifespan	2,000,000 hours (MTBF) / 180 Terabytes Written (TBW)	-
NCQ Support	false	false
TRIM Support	true	false
RAID Support	false	false
S.M.A.R.T Support	true	false
Additional Features	BBM algorithm for identifying and removing access errors / Wear Leveling capability for increased memory lifespan / Power consumption management	-
Certifications and Approvals		-
Size and Dimensions	7 * 69.85 * 100 millimeter (mm)	-
Product Weight	78.6 gram (g)	-
LED Status Indicator	false	false

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Compare Adata Ultimate Su650 Sata 25 Inch 192Tbwith Samsung PM991a NVMe M.2 512GB capacity

Adata VS Samsung

Feature	Adata Ultimate Su650 Sata 25 Inch 192Tb	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	1.92 terabyte (tb)
Flash Memory Specifications
Sequential Read Speed	520 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)
Random Read Speed
Random Write Speed
DRAM Memory	false	false
Operating Temperature Range		-
Average Lifespan	2,000,000 (MTTF) hour (h)	-
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 * 69.85 * 100.45 millimeter (mm)	-
Product Weight	47.5 gram (g)	-
LED Status Indicator	false	false

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Compare Pny Cs1030 Nvme M2 512Gbwith Samsung PM991a NVMe M.2 512GB capacity

PNY VS Samsung

Feature	Pny Cs1030 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	2500 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	1900 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
Additional Features	APST, ASPM, L1.2 power saving optimizer / ECC (Error Correction Code) Algorithm / End-to-End (E2E) Data Path Protection	-
Certifications and Approvals		-
Size and Dimensions	2 * 22 * 80 millimeter (mm)	-
Product Weight	6.6 gram (g)	-
Random Read Speed	-
Random Write Speed	-
LED Status Indicator	-	false

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Compare Hikvision E100 Sata 25 Inch 512Gbwith Samsung PM991a NVMe M.2 512GB capacity

Hikvision VS Samsung

Feature	Hikvision E100 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	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		-
Average Lifespan	2,000,000 (MTBF) hour (h)	-
Power Consumption	1.65W in read mode / 1.8W in write mode / 0.48W in Idle 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 * 100.1 millimeter (mm)	-
Product Weight	45 gram (g)	-
LED Status Indicator	false	false

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Compare Adata Legend 850 Lite Nvme M2 500Gbwith Samsung PM991a NVMe M.2 512GB capacity

Adata VS Samsung

Feature	Adata Legend 850 Lite 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
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)
DRAM Memory	false	false
Operating Temperature Range		-
Average Lifespan	1,500,000 hours (MTBF) / 450 Terabytes Written (TBW)	-
NCQ Support	false	false
TRIM Support	false	false
RAID Support	false	false
S.M.A.R.T Support	false	false
Encryption Technology		-
Additional Features		-
Size and Dimensions	3.63 × 22 × 80 mm (with heatsink) / 2.65 × 22 × 80 mm (without heatsink)	-
Product Weight	8.5g (with heatsink) ** 5.5g (without heatsink)	-
LED Status Indicator	false	false
Random Read Speed	-
Random Write Speed	-

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Compare Addlink S68 Nvme M2 256Gbwith Samsung PM991a NVMe M.2 512GB capacity

Addlink VS Samsung

Feature	Addlink S68 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	1200 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	1,500,000 hours (MTBF) / 200 Terabytes Written (TBW)	-
NCQ Support	false	false
TRIM Support	true	false
RAID Support	true	false
S.M.A.R.T Support	true	false
Encryption Technology		-
Compatible Operating Systems	Windows 7 & 8 (Driver required) and Windows 10 / Linux Kernel 2.6.31 and later	-
Size and Dimensions	3.5 * 22 * 80 millimeter (mm)	-
Product Weight	8.2 gram (g)	-
LED Status Indicator	false	false

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Compare Samsung 990 Pro Nvme M2 2Tbwith Samsung PM991a NVMe M.2 512GB capacity

Samsung VS Samsung

Feature	Samsung 990 Pro 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	7450 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	6900 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
Random Read Speed
Random Write Speed
DRAM Memory	true	false
DRAM Memory Type	2GB SDRAM type	-
Operating Temperature Range		-
Operating Voltage	3.3 volt (v)	-
Average Lifespan	1,500,000 (MTBF) hour (h)	-
Power Consumption		-
NCQ Support	false	false
TRIM Support	true	false
RAID Support	false	false
S.M.A.R.T Support	false	false
Additional Features		-
Size and Dimensions	2.3 * 22 * 80 millimeter (mm)	-
Product Weight	9 gram (g)	-
LED Status Indicator	false	false

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Compare Msi Spatium M371 Nvme M2 1Tbwith Samsung PM991a NVMe M.2 512GB capacity

msi VS Samsung

Feature	Msi Spatium M371 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	2350 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	1700 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) / 210 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 Msi Spatium M460 Nvme M2 Hs 2Tbwith Samsung PM991a NVMe M.2 512GB capacity

msi VS Samsung

Feature	Msi Spatium M460 Nvme M2 Hs 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	4900 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	4400 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) / 1200 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	LPDC Coding / Error Correction Code (ECC) algorithm / Pyrite feature for data encryption and security / End-to-end (E2E) data protection during transmission	-
Size and Dimensions	2.4 x 22 x 80 mm	-
LED Status Indicator	false	false

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Compare Samsung 860 Evo Sata M2 1Tbwith Samsung PM991a NVMe M.2 512GB capacity

Samsung VS Samsung

Feature	Samsung 860 Evo Sata 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	550 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	520 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	1,500,000 hours (MTBF) / 600 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		-
Size and Dimensions	2.38 * 22.15 * 80.15 millimeter (mm)	-
Product Weight	8 gram (g)	-
LED Status Indicator	-	false

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Western Digital Green Sn350 Nvme M2 480Gb

Samsung VS Western Digital

Feature	Samsung PM991a NVMe M.2 512GB capacity	Western Digital Green Sn350 Nvme M2 480Gb
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)	1650 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	2400 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	-
Operating Temperature Range	-
Average Lifespan	-	1,000,000 hours (MTTF) / 60 Terabytes Written (TBW)
Power Consumption	-
Additional Features	-
Certifications and Approvals	-
Size and Dimensions	-	2.38 * 22 * 80 millimeter (mm)
Product Weight	-	7.5 gram (g)

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Compare Adata Ultimate Su650 Sata M2 1Tbwith Samsung PM991a NVMe M.2 512GB capacity

Adata VS Samsung

Feature	Adata Ultimate Su650 Sata 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	550 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	510 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	1,500,000 hours (MTTF) / 420 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		-
Size and Dimensions	3.5 * 22 * 80 millimeter (mm)	-
Product Weight	7 gram (g)	-
LED Status Indicator	false	false

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