Page 56 from comparison Samsung PM991a NVMe M.2 512GB capacity

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Compare Samsung 960 Evo 250Gbwith Samsung PM991a NVMe M.2 512GB capacity

Feature	Samsung 960 Evo 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
Controller		-
Sequential Read Speed	3200 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	1500 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) / 100 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	7.7 gram (g)	-
LED Status Indicator	false	false

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Compare Samsung 960 Evo 1Tbwith Samsung PM991a NVMe M.2 512GB capacity

Samsung VS Samsung

Feature	Samsung 960 Evo 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	3200 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	1900 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) / 400 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

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Compare Fadak B5 Sereis 25 Inch 256Gbwith Samsung PM991a NVMe M.2 512GB capacity

Fadak Memory VS Samsung

Feature	Fadak B5 Sereis 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	550 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
DRAM Memory	false	false
Operating Temperature Range		-
Average Lifespan	60 (TBW) terabyte (tb)	-
NCQ Support	false	false
TRIM Support	false	false
RAID Support	true	false
S.M.A.R.T Support	false	false
Additional Features		-
Size and Dimensions	7 * 69.85 * 100.2 millimeter (mm)	-
Product Weight	34 gram (g)	-
LED Status Indicator	false	false
Sequential Write Speed	-	1800 megabytes per second (mb/s)
Random Read Speed	-
Random Write Speed	-

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Compare Adata Elite Se880 Usb 32 Gen 2X2 1Tbwith Samsung PM991a NVMe M.2 512GB capacity

Adata VS Samsung

Feature	Adata Elite Se880 Usb 32 Gen 2X2 1Tb	Samsung PM991a NVMe M.2 512GB capacity
Memory Usage Type	External	Internal
Connection Type	Type-C to Type-C USB 3.2 Gen 2	-
Memory Capacity	1 terabyte (tb)
Sequential Read Speed	2000 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)
DRAM Memory	false	false
Operating Temperature Range		-
Operating Voltage	5 volt (v)	-
NCQ Support	false	false
TRIM Support	false	false
RAID Support	false	false
S.M.A.R.T Support	false	false
Compatible Operating Systems	Windows XP and later / macOS version 9 and later / Linux 2.6 and later	-
Additional Features	Supports iPad, MacBook, and game consoles	-
Size and Dimensions	12.25 * 35 * 64.8 millimeter (mm)	-
Product Weight	31 gram (g)	-
LED Status Indicator	true	false
Box Contents	USB-C to USB-C cable / USB-C to USB-A cable / User manual	-
Memory Connection Port	-
Storage Connection Details	-
Device Design and Dimensions	-
Flash Memory Specifications	-
Random Read Speed	-
Random Write Speed	-

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Compare Adata Xpg Sx900 64Gbwith Samsung PM991a NVMe M.2 512GB capacity

Adata VS Samsung

Feature	Adata Xpg Sx900 64Gb	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	520 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
Random Write Speed
DRAM Memory	false	false
Operating Temperature Range		-
Average Lifespan	1,000,000 (MTBF) hour (h)	-
Power Consumption	0.8W in active mode / 0.4W in standby mode	-
NCQ Support	false	false
TRIM Support	true	false
RAID Support	true	false
S.M.A.R.T Support	true	false
Compatible Operating Systems	Windows version XP and later / macOS / Linux	-
Size and Dimensions	7 * 69.85 * 100.45 millimeter (mm)	-
Product Weight	68 gram (g)	-
LED Status Indicator	false	false
Random Read Speed	-

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Compare Golden Memory Nvme M2 1Tbwith Samsung PM991a NVMe M.2 512GB capacity

Golden Memory VS Samsung

Feature	Golden Memory 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	2300 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)
DRAM Memory	false	false
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
Additional Features		-
Certifications and Approvals		-
LED Status Indicator	false	false
Random Read Speed	-
Random Write Speed	-

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Xpg Sx6000 Lite Pcie Gen3X4 M2 2280 1Tb

Samsung VS Xpg

Feature	Samsung PM991a NVMe M.2 512GB capacity	Xpg Sx6000 Lite Pcie Gen3X4 M2 2280 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)	1800 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	1200 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	-	1,800,000 hours (MTBF) / 480 Terabytes Written (TBW)
Power Consumption	-
Additional Features	-
Certifications and Approvals	-
Size and Dimensions	-	2.15 * 22 * 80 millimeter (mm)
Product Weight	-	8 gram (g)

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Compare Intel Ssd 660P Series Nvme M2 1Tbwith Samsung PM991a NVMe M.2 512GB capacity

Intel VS Samsung

Feature	Intel Ssd 660P Series 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	1800 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)
DRAM Memory	false	false
Operating Temperature Range		-
Average Lifespan	1,600,000 hours (MTBF) / 200 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	22 * 80 millimeter (mm)	-
Product Weight	10 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 Western Digital Red Sa500 Sata 2 5 Inch 500Gb

Samsung VS Western Digital

Feature	Samsung PM991a NVMe M.2 512GB capacity	Western Digital Red Sa500 Sata 2 5 Inch 500Gb
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)	560 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	530 megabytes per second (mb/s)
Random Read Speed		95,000 IOPS
Random Write Speed		85,000 IOPS
DRAM Memory	false	true
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	-
DRAM Memory Type	-
Operating Temperature Range	-	0 to 70 degrees Celsius
Average Lifespan	-	2,000,000 hours (MTTF) / 350 Terabytes Written (TBW)
Power Consumption	-
Certifications and Approvals	-
Size and Dimensions	-	100.2 x 69.85 x 7 mm
Product Weight	-	37.4 gram (g)

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Compare Patriot Viper Vpn100 Nvme M2 1Tbwith Samsung PM991a NVMe M.2 512GB capacity

Patriot VS Samsung

Feature	Patriot Viper Vpn100 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	3450 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)
Random Read Speed
Random Write Speed
DRAM Memory	true	false
DRAM Memory Type		-
Operating Temperature Range	0 to 70 degrees Celsius	-
Average Lifespan	800 (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	6 heat fins / Memory temperature monitoring capability / VIPER VPN100 SSD Toolbox software	-
Certifications and Approvals		-
Size and Dimensions	10.5 * 22 * 80 millimeter (mm)	-
Product Weight	25 gram (g)	-
LED Status Indicator	false	false

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Compare Kingston Nv1 Nvme M2 250Gbwith Samsung PM991a NVMe M.2 512GB capacity

Kingston VS Samsung

Feature	Kingston Nv1 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
Sequential Read Speed	2100 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)
DRAM Memory	false	false
Operating Temperature Range		-
Average Lifespan	60 Terabytes Written (TBW) / 1,500,000 hours (MTBF)	-
Power Consumption		-
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	2.1 * 22 * 80 millimeter (mm)	-
Product Weight	7 gram (g)	-
LED Status Indicator	false	false
Flash Memory Specifications	-
Random Read Speed	-
Random Write Speed	-

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Compare Adata Xpg Gammix S70 Blade Nvme M2 2Tbwith Samsung PM991a NVMe M.2 512GB capacity

Adata VS Samsung

Feature	Adata Xpg Gammix S70 Blade 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	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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