Page 22 from comparison Samsung PM991a NVMe M.2 512GB capacity

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Compare Ocpc Formula Nvme M2 128Gbwith Samsung PM991a NVMe M.2 512GB capacity

Feature	Ocpc Formula 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
Sequential Read Speed	1500 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	600 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
Random Read Speed
Random Write Speed
DRAM Memory	false	false
NCQ Support	false	false
TRIM Support	true	false
RAID Support	false	false
S.M.A.R.T Support	true	false
Compatible Operating Systems	Windows / macOS / Linux	-
Additional Features	ECC (Error Correction Code) Algorithm	-
LED Status Indicator	false	false
Flash Memory Specifications	-

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Compare Crucial P5 Nvme M2 2Tbwith Samsung PM991a NVMe M.2 512GB capacity

Crucial VS Samsung

Feature	Crucial P5 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	3400 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 Write Speed
DRAM Memory	true	false
DRAM Memory Type		-
Operating Temperature Range		-
Average Lifespan	1,800,000 hours (MTTF) / 1200 Terabytes Written (TBW)	-
NCQ Support	false	false
TRIM Support	true	false
RAID Support	false	false
S.M.A.R.T Support	true	false
Encryption Technology		-
Certifications and Approvals		-
Random Read Speed	-
LED Status Indicator	-	false

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Western Digital My Passport Wdbynn0010B 1Tb

Samsung VS Western Digital

Feature	Samsung PM991a NVMe M.2 512GB capacity	Western Digital My Passport Wdbynn0010B 1Tb
Memory Usage Type	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)	-
Sequential Write Speed	1800 megabytes per second (mb/s)	-
Random Read Speed		-
Random Write Speed		-
DRAM Memory	false	-
NCQ Support	false	false
TRIM Support	false	-
RAID Support	false	false
S.M.A.R.T Support	false	false
LED Status Indicator	false	true
Usage Type	-	External
General Grouping	-	Portable External
Capacity	-	1 terabyte (tb)
Disk Rotation Speed	-	5400 RPM
Default Format	-
External Power Source Required	-	false
Operating Temperature Range	-
Encryption Technology	-
Compatible Operating Systems	-	Windows 7 and later
Additional Features	-	WD Backup software for automatic backup / WD Discovery software for connecting to Dropbox and Google Drive cloud storage / WD Security and WD Drive Utilities software
Shock and Vibration Sensor	-	false
Water Resistance	-	false
Dust Resistance	-	false
Humidity Resistance	-	false
Scratch Resistance	-	false
Anti-slip	-	false
Impact Resistance	-	false
Vibration Resistance	-	false
Kensington Security Slot	-	false
Size and Dimensions	-	13.8 * 81.5 * 110 millimeter (mm)
Product Weight	-	170 gram (g)
Color Options	-	White & Gold, Black & Gray
Body Material	-	Plastic
Box Contents	-	Micro-B to Type-A USB 3.0 cable / User manual
Power Key Support	-	false

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Verity Ascend S601 240Gb

Samsung VS Verity

Feature	Samsung PM991a NVMe M.2 512GB capacity	Verity Ascend S601 240Gb
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)	520 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	480 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
Additional Features	-
Size and Dimensions	-	7 * 70 * 100 millimeter (mm)
Product Weight	-	100 gram (g)

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Compare Adata Ultimate Su800 M2 128Gbwith Samsung PM991a NVMe M.2 512GB capacity

Adata VS Samsung

Feature	Adata Ultimate Su800 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	550 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	300 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
DRAM Memory	true	false
Operating Temperature Range		-
Average Lifespan	2,000,000 hours (MTTF) / 100 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	3.5 * 22 * 80 millimeter (mm)	-
Product Weight	8 gram (g)	-
LED Status Indicator	false	false
Random Read Speed	-
Random Write Speed	-

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Compare Lexar Ns200 960Gbwith Samsung PM991a NVMe M.2 512GB capacity

Lexar VS Samsung

Feature	Lexar Ns200 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
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		-
Average Lifespan	480 (TBW) terabyte (tb)	-
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 Dahua C800A Sata 25 Inch 256Gbwith Samsung PM991a NVMe M.2 512GB capacity

Dahua VS Samsung

Feature	Dahua C800A Sata 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)
Sequential Write Speed	460 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
DRAM Memory	false	false
Operating Temperature Range	0 to 70 degrees Celsius	-
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
Additional Features		-
Size and Dimensions	7 * 69.9 * 100.2 millimeter (mm)	-
Product Weight	40 gram (g)	-
LED Status Indicator	false	false
Random Read Speed	-
Random Write Speed	-

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Compare Apacer Ast280 M2 2280 120Gbwith Samsung PM991a NVMe M.2 512GB capacity

Acer VS Samsung

Feature	Apacer Ast280 M2 2280 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
Sequential Read Speed		3100 megabytes per second (mb/s)
Sequential Write Speed	470 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
Random Write Speed
DRAM Memory	false	false
Operating Temperature Range		-
Operating Voltage	3.3 volt (v)	-
Average Lifespan	1,500,000 hours (MTBF) / 70 Terabytes Written (TBW)	-
Power Consumption	1.35W in active mode / 0.3W in standby mode	-
NCQ Support	true	false
TRIM Support	true	false
RAID Support	false	false
S.M.A.R.T Support	true	false
Certifications and Approvals		-
Size and Dimensions	3.8 * 22 * 80 millimeter (mm)	-
Product Weight	6.3 gram (g)	-
LED Status Indicator	false	false
Random Read Speed	-

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Compare Samsung PM991a NVMe M.2 512GB capacitywith X Energy Falcon Sata 25 Inch 120Gb

Samsung VS X Energy

Feature	Samsung PM991a NVMe M.2 512GB capacity	X Energy Falcon Sata 25 Inch 120Gb
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	-
Operating Voltage	-	5 volt (v)
Average Lifespan	-	2,000,000 (MTBF) hour (h)
Additional Features	-
Size and Dimensions	-	7 x 69.85 x 100 mm
Product Weight	-	35 gram (g)

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Compare Hp Ex 900 250Gbwith Samsung PM991a NVMe M.2 512GB capacity

Hp VS Samsung

Feature	Hp Ex 900 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	2100 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	2,000,000 hours (MTBF) / 100 Terabytes Written (TBW)	-
Power Consumption		-
NCQ Support	true	false
TRIM Support	true	false
RAID Support	false	false
S.M.A.R.T Support	false	false
Compatible Operating Systems	Windows version 7 and later	-
Additional Features		-
Certifications and Approvals		-
Size and Dimensions	2.4 * 22 * 80 millimeter (mm)	-
Product Weight	5.4 gram (g)	-
LED Status Indicator	false	false

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Sandisk 3D Ssd 1Tb

Samsung VS Sandisk

Feature	Samsung PM991a NVMe M.2 512GB capacity	Sandisk 3D Ssd 1Tb
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
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	-	400 (TBW) terabyte (tb)
Additional Features	-
Size and Dimensions	-	7 * 69.95 * 100.5 millimeter (mm)
Product Weight	-	50 gram (g)

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Compare Kingspec P3 256Gbwith Samsung PM991a NVMe M.2 512GB capacity

KingSpec VS Samsung

Feature	Kingspec P3 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
Controller		-
Sequential Read Speed	580 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	570 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	-
Operating Voltage	5 volt (v)	-
Average Lifespan	1,000,000 hours (MTBF) / 174 Terabytes Written (TBW)	-
Power Consumption	1.4W in active mode	-
NCQ Support	false	false
TRIM Support	false	false
RAID Support	false	false
S.M.A.R.T Support	true	false
Additional Features		-
Size and Dimensions	7 * 70 * 100.4 millimeter (mm)	-
LED Status Indicator	false	false

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