Page 68 from comparison Samsung PM991a NVMe M.2 512GB capacity

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Western Digital Pc Sn730 M2 2280 256Gb

Feature	Samsung PM991a NVMe M.2 512GB capacity	Western Digital Pc Sn730 M2 2280 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)	3150 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	2100 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	-	200 (TBW) terabyte (tb)
Certifications and Approvals	-
Size and Dimensions	-	2.38 * 22 * 30 millimeter (mm)
Product Weight	-	7.3 gram (g)

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Xpg Gammix S5 Pcie Gen3X4 M2 2280 512Gb

Samsung VS Xpg

Feature	Samsung PM991a NVMe M.2 512GB capacity	Xpg Gammix S5 Pcie Gen3X4 M2 2280 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)	2100 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	1500 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 hours (MTBF) / 300 Terabytes Written (TBW)
Power Consumption	-	0.33W in active mode / 0.14W in standby mode
Additional Features	-
Certifications and Approvals	-
Size and Dimensions	-	3.7 * 22 * 80 millimeter (mm)
Product Weight	-	11.2 gram (g)

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

Patriot VS Samsung

Feature	Patriot Viper Vp4300 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
Controller		-
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
DRAM Memory Type		-
Operating Temperature Range	0 to 70 degrees Celsius	-
Average Lifespan	2000 (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 Apacer As350X Sata 25 Inch 512Gbwith Samsung PM991a NVMe M.2 512GB capacity

Acer VS Samsung

Feature	Apacer As350X 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	560 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	540 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
Random Write Speed
DRAM Memory	false	false
Operating Temperature Range		-
Average Lifespan	1,500,000 hours (MTBF) / 835 Terabytes Written (TBW)	-
Power Consumption		-
NCQ Support	true	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	7 * 70 * 100 millimeter (mm)	-
LED Status Indicator	true	false
Random Read Speed	-

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Team Group MP33 NVMe M.2 128GB capacity

Samsung VS Mg

Feature	Samsung PM991a NVMe M.2 512GB capacity	Team Group MP33 NVMe M.2 128GB 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)	1500 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	true
RAID Support	false	false
S.M.A.R.T Support	false	true
LED Status Indicator	false	-
Controller	-
Operating Temperature Range	-
Operating Voltage	-	3.3 volt (v)
Average Lifespan	-	1,500,000 hours (MTBF) / 75 Terabytes Written (TBW)
Compatible Operating Systems	-	Windows version 7 and later / Linux Kernel 2.6.33 and later
Size and Dimensions	-	3.8 * 22 * 80 millimeter (mm)
Product Weight	-	6 gram (g)

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Western Digital Green Wds100T3G0A Sata 25 Inch 1Tb

Samsung VS Ds

Feature	Samsung PM991a NVMe M.2 512GB capacity	Western Digital Green Wds100T3G0A Sata 25 Inch 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)	545 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	true
LED Status Indicator	false	false
Operating Temperature Range	-
Average Lifespan	-	515,000 (MTTF) hour (h)
Power Consumption	-
Additional Features	-
Certifications and Approvals	-
Size and Dimensions	-	7 * 69.85 * 100.5 millimeter (mm)
Product Weight	-	32.7 gram (g)

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Compare Adata Xpg Sx8100 Nvme M2 512Gbwith Samsung PM991a NVMe M.2 512GB capacity

Adata VS Samsung

Feature	Adata Xpg Sx8100 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	3500 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	2400 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 (MTBF) / 160 Terabytes Written (TBW)	-
Power Consumption	0.33W in active mode / 0.14W in standby mode	-
NCQ Support	false	false
TRIM Support	false	false
RAID Support	true	false
S.M.A.R.T Support	false	false
Encryption Technology		-
Additional Features		-
Certifications and Approvals		-
Size and Dimensions	3.5 * 22 * 80 millimeter (mm)	-
Product Weight	8 gram (g)	-
LED Status Indicator	false	false

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Compare Intel Ssd Dc P4510 Nvme U2 2Tbwith Samsung PM991a NVMe M.2 512GB capacity

Intel VS Samsung

Feature	Intel Ssd Dc P4510 Nvme U2 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	3200 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)
Random Read Speed
Random Write Speed
DRAM Memory	false	false
Operating Temperature Range		-
Average Lifespan	2,000,000 hours (MTBF) / 2.61 Petabytes Written (PBW)	-
Power Consumption	12W in active mode / 5W in Idle mode	-
NCQ Support	false	false
TRIM Support	false	false
RAID Support	true	false
S.M.A.R.T Support	true	false
Encryption Technology		-
Size and Dimensions	Thickness 15 mm	-
Product Weight	139 gram (g)	-
LED Status Indicator	false	false

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Compare Kingston Ssdnow Uv400 480Gbwith Samsung PM991a NVMe M.2 512GB capacity

Kingston VS Samsung

Feature	Kingston Ssdnow Uv400 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	500 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	1,000,000 hours (MTBF) / 200 Terabytes Written (TBW)	-
Power Consumption	0.59W in read mode / 2.515W in write mode / 0.693W on average / 0.672W 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	57 gram (g)	-
LED Status Indicator	false	false
Box Contents	Special case for using memory as external storage / 7mm to 9.5mm spacer for increasing SSD height / 3.5-inch bracket for case installation / USB cable / SATA cable / Data cable / Serial number for downloading Acronis Data Migration software	-

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Compare Addlink S70 Nvme M2 256Gbwith Samsung PM991a NVMe M.2 512GB capacity

Addlink VS Samsung

Feature	Addlink S70 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	3000 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)
DRAM Memory	false	false
Operating Temperature Range		-
Average Lifespan	1,800,000 (MTBF) hour (h)	-
NCQ Support	false	false
TRIM Support	true	false
RAID Support	true	false
S.M.A.R.T Support	true	false
Compatible Operating Systems	Windows 10 and later	-
Additional Features	Advanced ECC Algorithm / SLC Cache support	-
Size and Dimensions	3.5 * 22 * 80 millimeter (mm)	-
LED Status Indicator	false	false
Random Read Speed	-
Random Write Speed	-

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Compare Msi Spatium M470 Nvme M2 2Tbwith Samsung PM991a NVMe M.2 512GB capacity

msi VS Samsung

Feature	Msi Spatium M470 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
Controller		-
Sequential Read Speed	5000 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	4400 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
Random Read Speed
Random Write Speed
DRAM Memory	true	false
DRAM Memory Type	DDR4 with 2GB cache memory	-
Operating Temperature Range	0 to 70 degrees Celsius	-
Average Lifespan	1,700,000 hours (MTBF) / 3300 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	Advanced LDPC ECC error correction algorithm / End-to-end (E2E) data protection during transmission / Pyrite feature for data encryption and security	-
Size and Dimensions	2.15 * 22 * 80 millimeter (mm)	-
LED Status Indicator	false	false

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Western Digital Black Sn750 Nvme M2 1Tb

Samsung VS Western Digital

Feature	Samsung PM991a NVMe M.2 512GB capacity	Western Digital Black Sn750 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)	3470 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	3000 megabytes per second (mb/s)
Random Read Speed
Random Write Speed
DRAM Memory	false	true
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
Controller	-
DRAM Memory Type	-
Operating Temperature Range	-
Average Lifespan	-	1,750,000 hours (MTTF) / 600 Terabytes Written (TBW)
Power Consumption	-
Additional Features	-	WD Black SSD Dashboard software with Gaming Mode support
Certifications and Approvals	-
Size and Dimensions	-	2.38 * 22 * 80 millimeter (mm)
Product Weight	-	7.5 gram (g)

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