Page 70 from comparison Samsung PM991a NVMe M.2 512GB capacity

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Toshiba Canvio Ready USB 3.2 4TB capacity

Feature	Samsung PM991a NVMe M.2 512GB capacity	Toshiba Canvio Ready USB 3.2 4TB capacity
Memory Usage Type	Internal	External
Memory Connection Port		-
Storage Connection Details		-
Device Design and Dimensions		2.5 inch
Memory Capacity		4 terabyte (tb)
Flash Memory Specifications		-
Sequential Read Speed	3100 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	-	Micro-B to Type-A USB 3.2 Gen 1
Compatible Operating Systems	-	Windows 8.1 and later / macOS version 10.13 and later
Additional Features	-	NTFS / 5 Gbps data transfer speed
Size and Dimensions	-	19.5 * 78 * 109 millimeter (mm)
Product Weight	-	2175 gram (g)

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Western Digital Blue Sn580 Wds100T3B0E Nvme M2 1Tb

Samsung VS Blu

Feature	Samsung PM991a NVMe M.2 512GB capacity	Western Digital Blue Sn580 Wds100T3B0E 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)	4150 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	4150 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	-	0 to 85 degrees Celsius
Average Lifespan	-	600 (TBW) terabyte (tb)
Certifications and Approvals	-
Size and Dimensions	-	2.38 * 22 * 80 millimeter (mm)
Product Weight	-	5.5 gram (g)

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Compare Kioxia Exceria Nvme M2 500Gbwith Samsung PM991a NVMe M.2 512GB capacity

Kioxia VS Samsung

Feature	Kioxia Exceria Nvme M2 500Gb	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	1700 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	1600 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)	-
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	false	false
Additional Features		-
Size and Dimensions	2.23 * 22.15 * 80.15 millimeter (mm)	-
Product Weight	6.9 gram (g)	-
LED Status Indicator	false	false

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Team Group GX2 SATA 2.5 Inch 512GB capacity

Samsung VS Mg

Feature	Samsung PM991a NVMe M.2 512GB capacity	Team Group GX2 SATA 2.5 Inch 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	3100 megabytes per second (mb/s)	530 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	430 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
Operating Temperature Range	-
Operating Voltage	-	5 volt (v)
Average Lifespan	-	1,000,000 hours (MTBF) / 400 Terabytes Written (TBW)
Compatible Operating Systems	-	Windows version 7 and later / macOS version 10.4 and later / Linux Kernel 2.6.33 and later
Size and Dimensions	-	7 * 69.9 * 100 millimeter (mm)

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Compare Adata Ultimate Su650 Sata M2 120Gbwith Samsung PM991a NVMe M.2 512GB capacity

Adata VS Samsung

Feature	Adata Ultimate Su650 Sata M2 120Gb	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	550 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	410 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) / 70 Terabytes Written (TBW)	-
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	3.5 * 22 * 80 millimeter (mm)	-
Product Weight	7 gram (g)	-
LED Status Indicator	false	false

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Teamgroup Mp44 Nvme M2 512Gb

Samsung VS Mg

Feature	Samsung PM991a NVMe M.2 512GB capacity	Teamgroup Mp44 Nvme M2 512Gb
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)	7300 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	4500 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	true
LED Status Indicator	false	false
Operating Temperature Range	-	0 to 70 degrees Celsius
Operating Voltage	-	3.3 volt (v)
Average Lifespan	-	1,600,000 hours (MTBF) / 700 Terabytes Written (TBW)
Compatible Operating Systems	-	Windows 7 and later / Linux 2.6.33 and later
Additional Features	-
Certifications and Approvals	-
Size and Dimensions	-	3.7 * 22 * 80 millimeter (mm)
Product Weight	-	7 gram (g)

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Compare Adata Ultimate Su800 512Gbwith Samsung PM991a NVMe M.2 512GB capacity

Adata VS Samsung

Feature	Adata Ultimate Su800 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
Controller		-
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)
Random Read Speed
Random Write Speed
DRAM Memory	true	false
Operating Temperature Range		-
Average Lifespan	2,000,000 hours (MTTF) / 400 Terabytes Written (TBW)	-
NCQ Support	true	false
TRIM Support	true	false
RAID Support	true	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	false

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Western Digital Blue Wds400T2B0A Sata 25 Inch 4Tb

Samsung VS Blu

Feature	Samsung PM991a NVMe M.2 512GB capacity	Western Digital Blue Wds400T2B0A Sata 25 Inch 4Tb
Memory Usage Type	Internal	Internal
Memory Connection Port
Storage Connection Details
Device Design and Dimensions		2.5 inch
Memory Capacity		4 terabyte (tb)
Flash Memory Specifications
Sequential Read Speed	3100 megabytes per second (mb/s)	560 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	530 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	true
LED Status Indicator	false	false
Operating Temperature Range	-	0 to 70 degrees Celsius
Average Lifespan	-	1,750,000 (MTTF) hour (h)
Power Consumption	-
Additional Features	-
Certifications and Approvals	-
Size and Dimensions	-	7 * 69.85 * 100.2 millimeter (mm)
Product Weight	-	57.9 gram (g)

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Compare Adata Ultimate Su630 240Gbwith Samsung PM991a NVMe M.2 512GB capacity

Adata VS Samsung

Feature	Adata Ultimate Su630 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	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	1,500,000 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	false

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Western Digital Black Sn850X Nvme M2 1Tb

Samsung VS Western Digital

Feature	Samsung PM991a NVMe M.2 512GB capacity	Western Digital Black Sn850X 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)	7300 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	6300 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	true
Operating Temperature Range	-
Average Lifespan	-	600 (TBW) terabyte (tb)
Compatible Operating Systems	-	Supports Windows 8.1 and later
Additional Features	-	Compatible with PlayStation® 5 / WD Black SSD Dashboard software with Gaming Mode support
Certifications and Approvals	-
Size and Dimensions	-	2.38 * 22 * 80 millimeter (mm)
Product Weight	-	5.5 gram (g)

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Compare Adata Xpg Spectrix S20G Nvme M2 1Tbwith Samsung PM991a NVMe M.2 512GB capacity

Adata VS Samsung

Feature	Adata Xpg Spectrix S20G 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	2500 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)	-
Average Lifespan	2,000,000 hours (MTBF) / 600 Terabytes Written (TBW)	-
NCQ Support	false	false
TRIM Support	true	false
RAID Support	false	false
S.M.A.R.T Support	false	false
Encryption Technology		-
Additional Features		-
Certifications and Approvals		-
Size and Dimensions	7.55 * 22.1 * 80 millimeter (mm)	-
Product Weight	15.4 gram (g)	-
LED Status Indicator	true	false

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Sandisk Extreme Sdssde60 2Tb

Samsung VS Ds

Feature	Samsung PM991a NVMe M.2 512GB capacity	Sandisk Extreme Sdssde60 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)	550 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	500 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	true
Connection Type	-	Type-C to Type-C USB 3.1 Gen 2
Operating Temperature Range	-
Encryption Technology	-
Compatible Operating Systems	-	Windows version 8 and later / macOS X version 10.6 and later
Additional Features	-
Certifications and Approvals	-	IP55 Certified
Body Material	-	Plastic
Size and Dimensions	-	8.9 * 49.5 * 96.2 millimeter (mm)
Product Weight	-	20 gram (g)
Box Contents	-	USB Type C to USB Type C Cable / USB Type C to USB Type A Adapter / User Manual

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