Page 10 from comparison Samsung PM991a NVMe M.2 512GB capacity

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Compare Adata Ultimate Su650 240Gbwith Samsung PM991a NVMe M.2 512GB capacity

Feature	Adata Ultimate Su650 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	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 hours (MTTF) / 140 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	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 Xpg Gammix S11 Pro Pcie Gen3X4 M2 2280 2Tb

Samsung VS Xpg

Feature	Samsung PM991a NVMe M.2 512GB capacity	Xpg Gammix S11 Pro Pcie Gen3X4 M2 2280 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)	3500 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	3000 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	true
S.M.A.R.T Support	false	false
LED Status Indicator	false	false
Controller	-
DRAM Memory Type	-
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
Certifications and Approvals	-
Size and Dimensions	-	6.1 * 22 * 80 millimeter (mm)
Product Weight	-	11 gram (g)

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Seagate Firecuda 530 Nvme M2 4Tb

Samsung VS Seagate

Feature	Samsung PM991a NVMe M.2 512GB capacity	Seagate Firecuda 530 Nvme M2 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)	7300 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	6800 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	-
Encryption Technology	-
Certifications and Approvals	-
Size and Dimensions	-	2.23 * 22.15 * 80.16 millimeter (mm)
Product Weight	-	7.7 gram (g)

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Sandisk X400 Sd8Sn8U 1002 Sata M2 128Gb

Samsung VS Sandisk

Feature	Samsung PM991a NVMe M.2 512GB capacity	Sandisk X400 Sd8Sn8U 1002 Sata M2 128Gb
Memory Usage Type	Internal	Internal
Memory Connection Port
Storage Connection Details
Device Design and Dimensions
Memory Capacity
Flash Memory Specifications		SLC, TLC
Sequential Read Speed	3100 megabytes per second (mb/s)	540 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	340 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	-	72 (TBW) terabyte (tb)
Power Consumption	-	0.07W in active mode / 2.05W in read mode / 3.35W in write mode
Additional Features	-
Certifications and Approvals	-
Size and Dimensions	-	1.5 * 22 * 80 millimeter (mm)
Product Weight	-	7 gram (g)

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Compare Apacer As2280P4 Nvme M2 1Tbwith Samsung PM991a NVMe M.2 512GB capacity

Acer VS Samsung

Feature	Apacer As2280P4 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	3000 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	2000 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)	-
Power Consumption		-
NCQ Support	false	false
TRIM Support	true	false
RAID Support	false	false
S.M.A.R.T Support	true	false
Certifications and Approvals		-
Size and Dimensions	2.38 * 22 * 80 millimeter (mm)	-
Product Weight	6.8 gram (g)	-
LED Status Indicator	false	false

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Compare Hp Ex950 Nvme M2 512Gbwith Samsung PM991a NVMe M.2 512GB capacity

Hp VS Samsung

Feature	Hp Ex950 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
Controller		-
Sequential Read Speed	3500 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	2250 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) / 320 Terabytes Written (TBW)	-
Power Consumption	5.21W in active mode / 0.73W in Idle mode	-
NCQ Support	true	false
TRIM Support	true	false
RAID Support	false	false
S.M.A.R.T Support	true	false
Compatible Operating Systems	Windows	-
Additional Features		-
Certifications and Approvals		-
Size and Dimensions	3.8 * 22 * 80 millimeter (mm)	-
Product Weight	5.4 gram (g)	-
LED Status Indicator	false	false

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

Samsung VS Mg

Feature	Samsung PM991a NVMe M.2 512GB capacity	Teamgroup Mp33 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)	1800 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	1500 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	-
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
Size and Dimensions	-	3.8 * 22 * 80 millimeter (mm)
Product Weight	-	6 gram (g)

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Compare Adata Xpg Gammix S70 Nvme M2 1Tbwith Samsung PM991a NVMe M.2 512GB capacity

Adata VS Samsung

Feature	Adata Xpg Gammix 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
Controller		-
Sequential Read Speed	7400 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	5500 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)	-
NCQ Support	false	false
TRIM Support	false	false
RAID Support	true	false
S.M.A.R.T Support	true	false
Encryption Technology		-
Additional Features		-
Certifications and Approvals		-
Size and Dimensions	15 * 25.2 * 80 millimeter (mm)	-
Product Weight	34 gram (g)	-
LED Status Indicator	false	false

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Compare Lacie Sthm1000400 1Tbwith Samsung PM991a NVMe M.2 512GB capacity

Lacie VS Samsung

Feature	Lacie Sthm1000400 1Tb	Samsung PM991a NVMe M.2 512GB capacity
Memory Usage Type	External	Internal
Device Design and Dimensions	2.5 inch
Connection Type	Type-C to Type-A USB 3.1 Gen 2	-
Memory Capacity	1 terabyte (tb)
Sequential Read Speed	540 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	false	false
S.M.A.R.T Support	false	false
Compatible Operating Systems	Windows version 7 and later / macOS version 10.11 and later	-
Body Material	Aluminum	-
Size and Dimensions	9 * 78.36 * 98.36 millimeter (mm)	-
Product Weight	100 gram (g)	-
LED Status Indicator	true	false
Box Contents	USB Type-C to USB Type-A cable / User manual	-
Memory Connection Port	-
Storage Connection Details	-
Flash Memory Specifications	-
Random Read Speed	-
Random Write Speed	-

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Compare Hikvision C100 240Gbwith Samsung PM991a NVMe M.2 512GB capacity

Hikvision VS Samsung

Feature	Hikvision C100 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	500 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	502 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)	-
Power Consumption		-
NCQ Support	false	false
TRIM Support	true	false
RAID Support	false	false
S.M.A.R.T Support	false	false
Size and Dimensions	7 * 69.9 * 100.1 millimeter (mm)	-
Product Weight	59 gram (g)	-
LED Status Indicator	false	false
Random Read Speed	-
Random Write Speed	-

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Compare Dahua E900 Nvme M2 512Gbwith Samsung PM991a NVMe M.2 512GB capacity

Dahua VS Samsung

Feature	Dahua E900 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	1450 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) / 256 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	SLC Cache support / Advanced LDPC ECC Algorithm / Garbage Collection support	-
Body Material	Metal	-
Size and Dimensions	4.8 * 23 * 80 millimeter (mm)	-
Product Weight	8 gram (g)	-
LED Status Indicator	false	false

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

Adata VS Samsung

Feature	Adata Falcon 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
Controller		-
Sequential Read Speed	3100 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	1500 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	1,800,000 hours (MTBF) / 300 Terabytes Written (TBW)	-
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	2.9 * 22 * 80 millimeter (mm)	-
Product Weight	9 gram (g)	-
LED Status Indicator	-	false

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