Page 59 from comparison Samsung PM991a NVMe M.2 512GB capacity

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Compare Lexar Nm620 Nvme M2 256Gbwith Samsung PM991a NVMe M.2 512GB capacity

Feature	Lexar Nm620 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
Controller		-
Sequential Read Speed	3000 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	1300 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) / 125 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	2.25 * 22 * 80 millimeter (mm)	-
Product Weight	9 gram (g)	-
LED Status Indicator	false	false

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Compare Klevv Neo N400 Sata 25 Inch 240Gbwith Samsung PM991a NVMe M.2 512GB capacity

Klevv VS Samsung

Feature	Klevv Neo N400 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
Controller		-
Sequential Read Speed	500 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
DRAM Memory	false	false
NCQ Support	false	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 * 100.2 millimeter (mm)	-
Product Weight	37 gram (g)	-
LED Status Indicator	false	false
Flash Memory Specifications	-
Sequential Write Speed	-	1800 megabytes per second (mb/s)
Random Read Speed	-
Random Write Speed	-

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Compare Oscoo ON900 NVMe M.2 128GB capacitywith Samsung PM991a NVMe M.2 512GB capacity

Oscoo VS Samsung

Feature	Oscoo ON900 NVMe M.2 128GB capacity	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 Adata Xpg Gammix S70 Blade Nvme M2 4Tbwith Samsung PM991a NVMe M.2 512GB capacity

Adata VS Samsung

Feature	Adata Xpg Gammix S70 Blade Nvme M2 4Tb	Samsung PM991a NVMe M.2 512GB capacity
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	7400 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	6800 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)	-
NCQ Support	false	false
TRIM Support	false	false
RAID Support	false	false
S.M.A.R.T Support	true	false
Encryption Technology		-
Certifications and Approvals		-
Size and Dimensions	3.3 × 22 × 80 mm (without heatsink) / 4.3 × 22 × 80 mm (with heatsink)	-
Product Weight	7g (without heatsink) ** 10g (with heatsink)	-
LED Status Indicator	false	false

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Compare Intel Ssd D3 S4510 Sata 2 5 Inch 480Gbwith Samsung PM991a NVMe M.2 512GB capacity

Intel VS Samsung

Feature	Intel Ssd D3 S4510 Sata 2 5 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		-
Average Lifespan	2,000,000 hours (MTBF) / 1.2 Petabytes Written (PBW)	-
Power Consumption	3W in active mode / 1W in Idle mode	-
NCQ Support	false	false
TRIM Support	false	false
RAID Support	false	false
S.M.A.R.T Support	false	false
Encryption Technology		-
Size and Dimensions	7mm thickness	-
LED Status Indicator	false	false

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Compare Leven Jm 600 Sata M2 2280 1Tbwith Samsung PM991a NVMe M.2 512GB capacity

Leven VS Samsung

Feature	Leven Jm 600 Sata M2 2280 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	500 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	470 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) / 512 Terabytes Written (TBW)	-
NCQ Support	false	false
TRIM Support	false	false
RAID Support	false	false
S.M.A.R.T Support	true	false
Compatible Operating Systems	Windows 7 and later / macOS version 10.1 and later / Windows Vista	-
Additional Features	Advanced LDPC Error Correction Algorithm - RGB Lighting	-
Size and Dimensions	3 * 22 * 80 millimeter (mm)	-
Product Weight	6 gram (g)	-
LED Status Indicator	false	false
Random Read Speed	-
Random Write Speed	-

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Compare Samsung PM991a NVMe M.2 512GB capacitywith X Energy Falcon Sata 2 5 Inch 128Gb

Samsung VS X Energy

Feature	Samsung PM991a NVMe M.2 512GB capacity	X Energy Falcon Sata 2 5 Inch 128Gb
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)	500 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	400 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	-	2,000,000 (MTBF) hour (h)
Compatible Operating Systems	-	Windows
Additional Features	-
Certifications and Approvals	-

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Transcend Jetdrive720 240Gb

Samsung VS Transcend

Feature	Samsung PM991a NVMe M.2 512GB capacity	Transcend Jetdrive720 240Gb
Memory Usage Type	Internal	Internal
Memory Connection Port
Storage Connection Details
Device Design and Dimensions		Apple-specific form factor
Memory Capacity
Flash Memory Specifications
Sequential Read Speed	3100 megabytes per second (mb/s)	495 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	427 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	true
Operating Temperature Range	-
Operating Voltage	-	5 volt (v)
Compatible Operating Systems	-	Windows XP and later / macOS X version 10.6 and later / Linux Kernel 2.6 and later
Additional Features	-	Compatible with Apple MacBook / JetDrive Toolbox software
Size and Dimensions	-	10.8 * 37.2 * 110.9 millimeter (mm)
Product Weight	-	65 gram (g)
Box Contents	-	Special case for using storage externally / Screwdriver with T5 head / Screwdriver with P5 head / 3 screws / Plastic base / Micro-B to USB Type-A cable / Carrying pouch / User manual

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Compare Lexar Ns200 Sata 25 Inch 1Tbwith Samsung PM991a NVMe M.2 512GB capacity

Lexar VS Samsung

Feature	Lexar Ns200 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
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		-
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 Adata Ultimate Su650 Sata 25 Inch 512Gbwith Samsung PM991a NVMe M.2 512GB capacity

Adata VS Samsung

Feature	Adata Ultimate Su650 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	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) / 560 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	59.5 gram (g)	-
LED Status Indicator	false	false

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Sandisk Portable E30 Usb 32 480Gb

Samsung VS Sandisk

Feature	Samsung PM991a NVMe M.2 512GB capacity	Sandisk Portable E30 Usb 32 480Gb
Memory Usage Type	Internal	External
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)	520 megabytes per second (mb/s)
Sequential Write Speed	1800 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-A USB 3.2 Gen 2
Operating Temperature Range	-
Additional Features	-	Resistant to shock up to 1500G milliseconds / Resistant to shock from a height of 2 meters / Strap attachment point for backpack or bag
Size and Dimensions	-	9.91 * 46.9 * 96.9 millimeter (mm)
Box Contents	-	Type-A to Type-C cable

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Compare Corsair Mp700 Nvme M2 2Tbwith Samsung PM991a NVMe M.2 512GB capacity

Corsair VS Samsung

Feature	Corsair Mp700 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
Sequential Read Speed	10000 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	10000 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) / 1400 Terabytes Written (TBW)	-
Power Consumption		-
NCQ Support	false	false
TRIM Support	false	false
RAID Support	false	false
S.M.A.R.T Support	false	false
Encryption Technology		-
Compatible Operating Systems	Windows 10, 11 / macOS X	-
Additional Features		-
LED Status Indicator	false	false

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