Page 30 from comparison Samsung PM991a NVMe M.2 512GB capacity

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Compare Lexar Ns200 480Gbwith Samsung PM991a NVMe M.2 512GB capacity

Feature	Lexar Ns200 480Gb	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	510 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	240 (TBW) terabyte (tb)	-
NCQ Support	false	false
TRIM Support	true	false
RAID Support	false	false
S.M.A.R.T Support	true	false
Size and Dimensions	7 * 69.85 * 100.2 millimeter (mm)	-
Product Weight	34 gram (g)	-
LED Status Indicator	false	false

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Sandisk Extreme Pro Usb 31 Gen 2X2 2Tb

Samsung VS Sandisk

Feature	Samsung PM991a NVMe M.2 512GB capacity	Sandisk Extreme Pro Usb 31 Gen 2X2 2Tb
Memory Usage Type	Internal	External
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)	2000 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	2000 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
Connection Type	-	Type-C to Type-C USB 3.2 Gen 2
Operating Temperature Range	-
Encryption Technology	-
Additional Features	-	Compatible with SanDisk Memory Zone app / IP65 certified
Certifications and Approvals	-
Body Material	-	Aluminum and Silicone
Size and Dimensions	-	10.16 * 57.4 * 110.23 millimeter (mm)
Product Weight	-	77.5 gram (g)
Box Contents	-	USB-C to USB-C cable / USB-C to USB-A cable / User manual

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Compare Oscoo On900 Nvme M2 256Gbwith Samsung PM991a NVMe M.2 512GB capacity

Oscoo VS Samsung

Feature	Oscoo On900 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	2600 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		-
Operating Voltage	3.3 volt (v)	-
Average Lifespan	400 (TBW) terabyte (tb)	-
NCQ Support	false	false
TRIM Support	false	false
RAID Support	false	false
S.M.A.R.T Support	false	false
Certifications and Approvals		-
Size and Dimensions	4.1 * 22 * 80 millimeter (mm)	-
Random Read Speed	-
Random Write Speed	-
LED Status Indicator	-	false

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Compare Intel Ssd 660P Series Nvme M2 512Gbwith Samsung PM991a NVMe M.2 512GB capacity

Intel VS Samsung

Feature	Intel Ssd 660P Series 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	1500 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		-
Average Lifespan	1,600,000 hours (MTBF) / 100 Terabytes Written (TBW)	-
Power Consumption		-
NCQ Support	false	false
TRIM Support	false	false
RAID Support	false	false
S.M.A.R.T Support	true	false
Encryption Technology		-
Size and Dimensions	22 * 80 millimeter (mm)	-
Product Weight	10 gram (g)	-
LED Status Indicator	-	false

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Compare Hikvision E100N Sata M2 128Gbwith Samsung PM991a NVMe M.2 512GB capacity

Hikvision VS Samsung

Feature	Hikvision E100N Sata 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
Flash Memory Specifications
Sequential Read Speed	530 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	1,500,000 hours (MTBF) / 35 Terabytes Written (TBW)	-
Power Consumption	2.25W in read mode / 2.51W in write mode / 0.055W 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	1.5 * 80 * 22 millimeter (mm)	-
Product Weight	5.4 gram (g)	-
LED Status Indicator	false	false

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Compare Dahua C800A Sata 25 Inch 500Gbwith Samsung PM991a NVMe M.2 512GB capacity

Dahua VS Samsung

Feature	Dahua C800A 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
Sequential Read Speed	530 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
Average Lifespan	1,500,000 hours (MTBF) / 200 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		-
Size and Dimensions	7 * 69.9 * 100.2 millimeter (mm)	-
Product Weight	40 gram (g)	-
LED Status Indicator	false	false
Random Read Speed	-
Random Write Speed	-

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Compare Pny Cs3140 Nvme M2 1Tbwith Samsung PM991a NVMe M.2 512GB capacity

PNY VS Samsung

Feature	Pny Cs3140 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	7500 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	5650 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
DRAM Memory	true	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
Encryption Technology		-
Compatible Operating Systems	Windows 7 and later	-
Additional Features	ECC (Error Correction Code) Algorithm / APST, ASPM, L1.2 power saving optimizer / End-to-End (E2E) Data Path Protection / PNY PCIe SSD Toolbox software	-
Certifications and Approvals		-
Size and Dimensions	20.5 x 22.8 x 80.4 mm (with thermal cover) / 4 x 22 x 80 mm (without thermal cover)	-
Product Weight	With thermal cover: 45 g / Without thermal cover: 6.6 g	-
LED Status Indicator	false	false
Random Read Speed	-
Random Write Speed	-

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Compare Hp S650 Sata 25 Inch 480Gbwith Samsung PM991a NVMe M.2 512GB capacity

Hp VS Samsung

Feature	Hp S650 Sata 25 Inch 480Gb	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	560 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	490 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	1,000,000 hours (MTBF) / 150 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		-
Certifications and Approvals		-
Body Material	Aluminum	-
Size and Dimensions	6.7 * 70 * 100 millimeter (mm)	-
Product Weight	50 gram (g)	-
LED Status Indicator	-	false

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Compare Msi Spatium Sn270 Sata 25 Inch 240Gbwith Samsung PM991a NVMe M.2 512GB capacity

msi VS Samsung

Feature	Msi Spatium Sn270 Sata 25 Inch 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	400 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	2,000,000 hours (MTBF) / 110 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 / ECC (Error Correction Code) Algorithm / Over Provision capability for increased write speed without performance degradation	-
Size and Dimensions	100.2 x 69.85 x 7 mm	-
LED Status Indicator	false	false

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

Adata VS Samsung

Feature	Adata Ultimate Su650 Sata 25 Inch 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
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 Samsung PM991a NVMe M.2 512GB capacitywith Twinmos Sata M2 256Gb

Samsung VS Twinmos

Feature	Samsung PM991a NVMe M.2 512GB capacity	Twinmos Sata M2 256Gb
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)	580 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	550 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) / 250 Terabytes Written (TBW)
Compatible Operating Systems	-	Windows XP and later / macOS version 10.1 and later / Linux version 2.4 and later
Additional Features	-
Certifications and Approvals	-
Size and Dimensions	-	3.5 * 22 * 80 millimeter (mm)
Product Weight	-	10 gram (g)

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Compare Apacer Ast280 Sata M2 480Gbwith Samsung PM991a NVMe M.2 512GB capacity

Acer VS Samsung

Feature	Apacer Ast280 Sata M2 480Gb	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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