Page 24 from comparison Samsung PM991a NVMe M.2 512GB capacity

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Compare Kingmax Pq3480 Nvme M2 128Gbwith Samsung PM991a NVMe M.2 512GB capacity

Feature	Kingmax Pq3480 Nvme 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
Controller		-
Sequential Read Speed	1800 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	550 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) / 80 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		-
Size and Dimensions	22 * 80 millimeter (mm)	-
Product Weight	10 gram (g)	-
LED Status Indicator	-	false

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Compare Adata Legend 740 Nvme M2 250Gbwith Samsung PM991a NVMe M.2 512GB capacity

Adata VS Samsung

Feature	Adata Legend 740 Nvme M2 250Gb	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	2200 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	1100 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) / 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		-
Size and Dimensions	3.13 × 22 × 80 mm with heatsink / 2.15 × 22 × 80 mm without heatsink	-
Product Weight	9g with heatsink ** 6.2g without heatsink	-
LED Status Indicator	false	false

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Compare Patriot P220 Sata 25 Inch 128Gbwith Samsung PM991a NVMe M.2 512GB capacity

Patriot VS Samsung

Feature	Patriot P220 Sata 25 Inch 128Gb	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	550 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	480 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	60 (TBW) terabyte (tb)	-
NCQ Support	false	false
TRIM Support	true	false
RAID Support	false	false
S.M.A.R.T Support	true	false
Compatible Operating Systems	Windows version 7 and later	-
Certifications and Approvals	IP55 certified	-
Size and Dimensions	100 * 133 * 178 millimeter (mm)	-
Product Weight	50 gram (g)	-
LED Status Indicator	false	false

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Compare Pny Cs900 120Gbwith Samsung PM991a NVMe M.2 512GB capacity

PNY VS Samsung

Feature	Pny Cs900 120Gb	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	515 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)
DRAM Memory	false	false
Average Lifespan	2,000,000 (MTBF) hour (h)	-
NCQ Support	true	false
TRIM Support	true	false
RAID Support	true	false
S.M.A.R.T Support	false	false
Size and Dimensions	6.3 * 69.85 * 99 millimeter (mm)	-
Product Weight	45 gram (g)	-
LED Status Indicator	false	false
Random Read Speed	-
Random Write Speed	-

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Compare Asgard An3 Nvme M2 1Tbwith Samsung PM991a NVMe M.2 512GB capacity

Asgard VS Samsung

Feature	Asgard An3 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	3300 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	3000 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
DRAM Memory	false	false
Average Lifespan	1,500,000 hours (MTBF) / 600 Terabytes Written (TBW)	-
NCQ Support	false	false
TRIM Support	true	false
RAID Support	true	false
S.M.A.R.T Support	true	false
Size and Dimensions	2.2 * 22 * 80 millimeter (mm)	-
LED Status Indicator	false	false
Random Read Speed	-
Random Write Speed	-

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Compare Kingston A400 Sata 25 Inch 960Gbwith Samsung PM991a NVMe M.2 512GB capacity

Kingston VS Samsung

Feature	Kingston A400 Sata 25 Inch 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	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)
DRAM Memory	false	false
Operating Temperature Range		-
Average Lifespan	1,000,000 hours (MTBF) / 300 Terabytes Written (TBW)	-
Power Consumption	0.279W on average / 0.642W in read mode / 1.535W in write mode / 0.195W 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		-
Size and Dimensions	7 * 69.9 * 100 millimeter (mm)	-
Product Weight	41 gram (g)	-
LED Status Indicator	false	false
Random Read Speed	-
Random Write Speed	-

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Compare Biostar M500 Nvme M2 1Tbwith Samsung PM991a NVMe M.2 512GB capacity

Biostar VS Samsung

Feature	Biostar M500 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	1700 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	1100 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
Random Read Speed
Random Write Speed
DRAM Memory	true	false
DRAM Memory Type		-
Power Consumption		-
NCQ Support	false	false
TRIM Support	false	false
RAID Support	true	false
S.M.A.R.T Support	true	false
Encryption Technology		-
Compatible Operating Systems	--- Operating System Compatibility Starts Here ---	-
Additional Features	Advanced BCH Error Correction Algorithm / Advanced LDPC ECC Algorithm / End-to-End (E2E) Data Path Protection	-
Size and Dimensions	9.5 * 23 * 80 millimeter (mm)	-
Product Weight	8 gram (g)	-
LED Status Indicator	true	false

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Compare Crucial Mx500 500Gbwith Samsung PM991a NVMe M.2 512GB capacity

Crucial VS Samsung

Feature	Crucial Mx500 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
Controller		-
Sequential Read Speed	560 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	false	false
Operating Temperature Range		-
Average Lifespan	1,800,000 hours (MTBF) / 180 Terabytes Written (TBW)	-
NCQ Support	false	false
TRIM Support	true	false
RAID Support	true	false
S.M.A.R.T Support	true	false
Encryption Technology		-
Certifications and Approvals		-
Size and Dimensions	7 * 22 * 80 millimeter (mm)	-
Product Weight	5.3 gram (g)	-
LED Status Indicator	false	false

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Compare Samsung 870 Qvo Sata 25 1Tbwith Samsung PM991a NVMe M.2 512GB capacity

Samsung VS Samsung

Feature	Samsung 870 Qvo Sata 25 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	560 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	530 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		-
Operating Voltage	5 volt (v)	-
Average Lifespan	1,500,000 hours (MTBF) / 360 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
Encryption Technology		-
Size and Dimensions	6.8 * 69.85 * 100 millimeter (mm)	-
Product Weight	46 gram (g)	-
LED Status Indicator	false	false

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Samsung T5 Usb 31 Gen 2 2Tb

Samsung VS Samsung

Feature	Samsung PM991a NVMe M.2 512GB capacity	Samsung T5 Usb 31 Gen 2 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)	540 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	true
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 3.1 Gen 2
Controller	-
Operating Temperature Range	-
Encryption Technology	-
Compatible Operating Systems	-	Windows version 7 and later / macOS X version 10.9 and later / Android 4.4 and later
Additional Features	-	UASP support / Samsung Portable SSD software
Certifications and Approvals	-
Body Material	-	Plastic
Color Options	-	Blue, Red, Gold, Black
Size and Dimensions	-	10.5 * 57.3 * 74 millimeter (mm)
Product Weight	-	51 gram (g)
Box Contents	-	USB Type C to USB Type A Cable / USB Type C to USB Type C Cable / User Manual

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Compare Patriot Viper Vp4300 Nvme M2 1Tbwith Samsung PM991a NVMe M.2 512GB capacity

Patriot VS Samsung

Feature	Patriot Viper Vp4300 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	0 to 70 degrees Celsius	-
Average Lifespan	1000 (TBW) terabyte (tb)	-
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	-
Additional Features	Compatible with AMD products with PCIe 4.0 standard / Option to choose between 2 aluminum and graphene thermal protectors	-
Certifications and Approvals		-
Size and Dimensions	8 * 22 * 80 millimeter (mm)	-
Product Weight	25 gram (g)	-
LED Status Indicator	false	false

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Compare Samsung 860 Evo M2 250Gbwith Samsung PM991a NVMe M.2 512GB capacity

Samsung VS Samsung

Feature	Samsung 860 Evo M2 250Gb	Samsung PM991a NVMe M.2 512GB capacity
Memory Usage Type	Internal	Internal
Memory Connection Port
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	520 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	1,500,000 hours (MTBF) / 150 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
Encryption Technology		-
Size and Dimensions	2.38 * 22.15 * 80.15 millimeter (mm)	-
Product Weight	8 gram (g)	-
LED Status Indicator	false	false
Storage Connection Details	-

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