Page 71 from comparison Samsung PM991a NVMe M.2 512GB capacity

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Teamgroup Mp33 Pro Nvme M2 1Tb

Feature	Samsung PM991a NVMe M.2 512GB capacity	Teamgroup Mp33 Pro 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)	2100 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	1700 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
Controller	-
Operating Temperature Range	-
Operating Voltage	-	3.3 volt (v)
Average Lifespan	-	2,000,000 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	-	3.8 * 22 * 80 millimeter (mm)
Product Weight	-	6 gram (g)

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Western Digital PC SN530 M.2 2280 256GB Capacity

Samsung VS Western Digital

Feature	Samsung PM991a NVMe M.2 512GB capacity	Western Digital PC SN530 M.2 2280 256GB Capacity
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)	2400 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	950 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
Operating Temperature Range	-
Average Lifespan	-	200 (TBW) terabyte (tb)
Certifications and Approvals	-
Size and Dimensions	-	2.38 * 22 * 30 millimeter (mm)
Product Weight	-	7.5 gram (g)

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Compare Samsung PM991a NVMe M.2 512GB capacitywith TwinMOS Hyper H2 Ultra SATA 2.5 Inch 128GB capacity

Samsung VS Twinmos

Feature	Samsung PM991a NVMe M.2 512GB capacity	TwinMOS Hyper H2 Ultra SATA 2.5 Inch 128GB 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	3100 megabytes per second (mb/s)	580 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	550 megabytes per second (mb/s)
Random Read Speed		120 megabytes per second (mb/s)
Random Write Speed		155 megabytes per second (mb/s)
DRAM Memory	false	false
NCQ Support	false	true
TRIM Support	false	true
RAID Support	false	true
S.M.A.R.T Support	false	true
LED Status Indicator	false	-
Controller	-
Compatible Operating Systems	-	Windows / Mac OS version 10.1 and later / Linux kernel 2.4 and later
Additional Features	-	Wear Leveling capability for increased memory lifespan / BBM algorithm for identifying and removing access errors
Color Options	-	Gray, Rose Gold

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Compare Adata Xpg Spectrix S40G Pcie M2 2Tbwith Samsung PM991a NVMe M.2 512GB capacity

Adata VS Samsung

Feature	Adata Xpg Spectrix S40G Pcie 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	3500 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)
Random Read Speed
Random Write Speed
DRAM Memory	true	false
Operating Temperature Range		-
Average Lifespan	2,000,000 hours (MTBF) / 1280 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		-
Certifications and Approvals		-
Size and Dimensions	8 * 22 * 80 millimeter (mm)	-
Product Weight	13.4 gram (g)	-
LED Status Indicator	false	false

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Compare Ocpc Xtg 200 Sata 25 Inch 256Gbwith Samsung PM991a NVMe M.2 512GB capacity

Ocpc VS Samsung

Feature	Ocpc Xtg 200 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		-
Compatible Operating Systems	Windows version 7 and later / macOS / Linux	-
Body Material	Metal	-
Random Read Speed	-
Random Write Speed	-
NCQ Support	-	false
TRIM Support	-	false
RAID Support	-	false
S.M.A.R.T Support	-	false
LED Status Indicator	-	false

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Compare Adata Su720 Sata 2 5 Inch 250Gbwith Samsung PM991a NVMe M.2 512GB capacity

Adata VS Samsung

Feature	Adata Su720 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
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		-
Operating Voltage	5 volt (v)	-
Average Lifespan	2,000,000 hours (MTBF) / 50 Terabytes Written (TBW)	-
NCQ Support	true	false
TRIM Support	true	false
RAID Support	false	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

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

Samsung VS Samsung

Feature	Samsung 860 Evo 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	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) / 1200 Terabytes Written (TBW)	-
Power Consumption		-
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 XP Service Pack 2 and later / Windows Server 2003 Service Pack 2 and later	-
Size and Dimensions	6.8 * 69.8 * 100 millimeter (mm)	-
Product Weight	86 gram (g)	-
LED Status Indicator	false	false

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Compare Apacer Ast280 M2 2280 240Gbwith Samsung PM991a NVMe M.2 512GB capacity

Acer VS Samsung

Feature	Apacer Ast280 M2 2280 240Gb	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		3100 megabytes per second (mb/s)
Sequential Write Speed	495 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
Random Write Speed
DRAM Memory	false	false
Operating Temperature Range		-
Operating Voltage	3.3 volt (v)	-
Average Lifespan	1,500,000 hours (MTBF) / 140 Terabytes Written (TBW)	-
Power Consumption	1.4W in active mode / 0.3W in standby mode	-
NCQ Support	true	false
TRIM Support	true	false
RAID Support	false	false
S.M.A.R.T Support	true	false
Certifications and Approvals		-
Size and Dimensions	3.8 * 22 * 80 millimeter (mm)	-
Product Weight	6.3 gram (g)	-
LED Status Indicator	false	false
Random Read Speed	-

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Compare Samsung Mzvlb512Hajq Pm981 M2 512Gbwith Samsung PM991a NVMe M.2 512GB capacity

Samsung VS Samsung

Feature	Samsung Mzvlb512Hajq Pm981 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
Controller		-
Sequential Read Speed	3000 megabytes per second (mb/s)	3100 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
Operating Temperature Range		-
Operating Voltage	3.3 volt (v)	-
NCQ Support	false	false
TRIM Support	false	false
RAID Support	false	false
S.M.A.R.T Support	false	false
Encryption Technology		-
Additional Features		-
Certifications and Approvals		-
Size and Dimensions	2.38 * 22 * 80 millimeter (mm)	-
Product Weight	8 gram (g)	-
LED Status Indicator	false	false

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Compare Asgard An2 Nvme M2 1Tbwith Samsung PM991a NVMe M.2 512GB capacity

Asgard VS Samsung

Feature	Asgard An2 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	2100 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)
DRAM Memory	false	false
Operating Temperature Range		-
NCQ Support	false	false
TRIM Support	true	false
RAID Support	false	false
S.M.A.R.T Support	false	false
Compatible Operating Systems	Windows / macOS / Linux / Android	-
Size and Dimensions	3 * 22 * 80 millimeter (mm)	-
LED Status Indicator	false	false
Random Read Speed	-
Random Write Speed	-

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Compare Adata Xpg Sx8200 Pro Nvme M2 2Tbwith Samsung PM991a NVMe M.2 512GB capacity

Adata VS Samsung

Feature	Adata Xpg Sx8200 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	3500 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	3000 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	2,000,000 hours (MTBF) / 1,280 Terabytes Written (TBW)	-
Power Consumption		-
NCQ Support	false	false
TRIM Support	false	false
RAID Support	true	false
S.M.A.R.T Support	false	false
Certifications and Approvals		-
Size and Dimensions	3.5 * 22 * 80 millimeter (mm)	-
Product Weight	8 gram (g)	-
LED Status Indicator	false	false
Box Contents	Heatsink	-

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Western Digital Blue Sn550 Nvme M2 250Gb

Samsung VS Blu

Feature	Samsung PM991a NVMe M.2 512GB capacity	Western Digital Blue Sn550 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)	2400 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	950 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
Controller	-
Operating Temperature Range	-
Average Lifespan	-	1,700,000 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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