Page 27 from comparison Samsung PM991a NVMe M.2 512GB capacity

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Compare Kingmax Siv Sata 25 Inch 256Gbwith Samsung PM991a NVMe M.2 512GB capacity

Feature	Kingmax Siv 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)
Random Read Speed
Random Write Speed
DRAM Memory	false	false
Operating Temperature Range	0 to 70 degrees Celsius	-
Operating Voltage	5 volt (v)	-
Average Lifespan	1,500,000 hours (MTBF) / 150 Terabytes Written (TBW)	-
Power Consumption		-
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	7 * 69.9 * 100.5 millimeter (mm)	-
Product Weight	71 gram (g)	-
LED Status Indicator	false	false

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Compare Addlink S22 Sata 25 Inch 1Tbwith Samsung PM991a NVMe M.2 512GB capacity

Addlink VS Samsung

Feature	Addlink S22 Sata 25 Inch 1Tb	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 terabyte (tb)
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 Voltage		-
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
LED Status Indicator	false	false
Random Read Speed	-
Random Write Speed	-

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Teamgroup Cx2 Sata 2 5 Inch 2Tb

Samsung VS Mg

Feature	Samsung PM991a NVMe M.2 512GB capacity	Teamgroup Cx2 Sata 2 5 Inch 2Tb
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
Sequential Read Speed	3100 megabytes per second (mb/s)	540 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	490 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	-
Operating Voltage	-	5 volt (v)
Average Lifespan	-	1,000,000 hours (MTBF) / 1600 Terabytes Written (TBW)
Compatible Operating Systems	-	Windows version 7 and later / macOS version 10.4 and later / Linux Kernel 2.6.33 and later
Additional Features	-
Certifications and Approvals	-
Size and Dimensions	-	7 * 69.9 * 100 millimeter (mm)

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Compare Samsung Pm1643 Sas 25 Inch 768Tbwith Samsung PM991a NVMe M.2 512GB capacity

Samsung VS Samsung

Feature	Samsung Pm1643 Sas 25 Inch 768Tb	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	7.68 terabyte (tb)
Flash Memory Specifications
Sequential Read Speed	2100 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	5 ** 12 volt (v)	-
Average Lifespan	2,000,000 (MTBF) hour (h)	-
Power Consumption	13.5W in active mode / 5W 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	Suitable for network equipment / ECC (Error Correction Code) Algorithm	-
Size and Dimensions	14.8 * 69.85 * 100.2 millimeter (mm)	-
Product Weight	160 gram (g)	-
LED Status Indicator	false	false

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Compare Gudga Sata 25 Inch 256Gbwith Samsung PM991a NVMe M.2 512GB capacity

Gudga VS Samsung

Feature	Gudga 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	570 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	540 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	1,000,000 (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	Advanced LDPC error correction algorithm / Usable for laptops and PCs / 0.07ms access time	-
Certifications and Approvals		-
Body Material	Plastic	-
Size and Dimensions	7 * 70 * 100 millimeter (mm)	-
LED Status Indicator	false	false

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Twinmos Nvme M2 128Gb

Samsung VS Twinmos

Feature	Samsung PM991a NVMe M.2 512GB capacity	Twinmos Nvme M2 128Gb
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)	3500 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	3080 megabytes per second (mb/s)
Random Read Speed
Random Write Speed
DRAM Memory	false	false
NCQ Support	false	true
TRIM Support	false	true
RAID Support	false	false
S.M.A.R.T Support	false	true
LED Status Indicator	false	-
Controller	-
Operating Temperature Range	-
Operating Voltage	-	3.3 volt (v)
Average Lifespan	-	1,000,000 hours (MTBF) / 1000 Terabytes Written (TBW)
Compatible Operating Systems	-	Windows 2000 and later / macOS version 10.1 and later / Linux version 2.4 and later
Additional Features	-	Wear Leveling capability for increased memory lifespan
Certifications and Approvals	-

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Compare Adata Gammix S10 256Gbwith Samsung PM991a NVMe M.2 512GB capacity

Adata VS Samsung

Feature	Adata Gammix S10 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
Controller		-
Sequential Read Speed	1370 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	810 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) / 160 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	true	false
S.M.A.R.T Support	false	false
Additional Features		-
Certifications and Approvals		-
Size and Dimensions	3.5 * 22 * 80 millimeter (mm)	-
Product Weight	8 gram (g)	-
LED Status Indicator	false	false

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Compare Adata Gammix S10 128Gbwith Samsung PM991a NVMe M.2 512GB capacity

Adata VS Samsung

Feature	Adata Gammix S10 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
Flash Memory Specifications
Controller		-
Sequential Read Speed	660 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	true	false
DRAM Memory Type		-
Operating Temperature Range		-
Average Lifespan	2,000,000 hours (MTBF) / 80 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	true	false
S.M.A.R.T Support	false	false
Additional Features		-
Certifications and Approvals		-
Size and Dimensions	3.5 * 22 * 80 millimeter (mm)	-
Product Weight	8 gram (g)	-
LED Status Indicator	false	false

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Compare Adata Ultimate Su650 Sata 25 Inch 1Tbwith Samsung PM991a NVMe M.2 512GB capacity

Adata VS Samsung

Feature	Adata Ultimate Su650 Sata 25 Inch 1Tb	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 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	50.8 gram (g)	-
LED Status Indicator	false	false

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

Samsung VS Mg

Feature	Samsung PM991a NVMe M.2 512GB capacity	Teamgroup Mp33 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)	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) / 1000 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 Hikvision C100 960Gbwith Samsung PM991a NVMe M.2 512GB capacity

Hikvision VS Samsung

Feature	Hikvision C100 960Gb	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	563 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	542 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 Pny Cs900 Sata 2 5 Inch 1Tbwith Samsung PM991a NVMe M.2 512GB capacity

PNY VS Samsung

Feature	Pny Cs900 Sata 2 5 Inch 1Tb	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 terabyte (tb)
Flash Memory Specifications
Controller		-
Sequential Read Speed	535 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	515 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	true	false
Compatible Operating Systems	Windows / macOS / Linux	-
Size and Dimensions	7 * 69.85 * 99.06 millimeter (mm)	-
Product Weight	45 gram (g)	-
LED Status Indicator	false	false
Random Read Speed	-
Random Write Speed	-

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