Page 8 from comparison Samsung Pm991 Nvme M2 256Gb

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Compare Samsung 960 Evo 500Gbwith Samsung Pm991 Nvme M2 256Gb

Feature	Samsung 960 Evo 500Gb	Samsung Pm991 Nvme M2 256Gb
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)	2050 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	1000 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) / 200 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
Operating Voltage	-

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Compare Samsung Pm991 Nvme M2 256Gbwith Western Digital Black WDS250G2X0C NVMe M.2 250GB Capacity

Samsung VS Ds

Feature	Samsung Pm991 Nvme M2 256Gb	Western Digital Black WDS250G2X0C NVMe M.2 250GB Capacity
Memory Usage Type	Internal	Internal
Memory Connection Port
Storage Connection Details
Device Design and Dimensions
Memory Capacity
Sequential Read Speed	2050 megabytes per second (mb/s)	3000 megabytes per second (mb/s)
Sequential Write Speed	1000 megabytes per second (mb/s)	1600 MB/s
Random Read Speed
Random Write Speed
DRAM Memory	false	false
Operating Voltage		2.8 ampere (a)
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	-
Average Lifespan	-	2,000,000 (MTTF) hour (h)
Power Consumption	-
Additional Features	-
Certifications and Approvals	-
Size and Dimensions	-	2.38 * 22 * 80 millimeter (mm)
Product Weight	-	7.5 gram (g)

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Compare Samsung Pm991 Nvme M2 256Gbwith Western Digital Blue WDS500G3B0B SATA M.2 500GB Capacity

Samsung VS Blu

Feature	Samsung Pm991 Nvme M2 256Gb	Western Digital Blue WDS500G3B0B SATA M.2 500GB Capacity
Memory Usage Type	Internal	Internal
Memory Connection Port
Storage Connection Details
Device Design and Dimensions
Memory Capacity
Sequential Read Speed	2050 megabytes per second (mb/s)	560 megabytes per second (mb/s)
Sequential Write Speed	1000 megabytes per second (mb/s)	510 megabytes per second (mb/s)
Random Read Speed		90,000 IOPS
Random Write Speed		82,000 IOPS
DRAM Memory	false	false
Operating Voltage		-
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
Flash Memory Specifications	-
Operating Temperature Range	-	0 to 70 degrees Celsius
Average Lifespan	-	1,750,000 hours (MTTF) / 200 Terabytes Written (TBW)
Power Consumption	-
Additional Features	-
Size and Dimensions	-	2.38 x 22 x 80 mm
Product Weight	-	4.8 gram (g)

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Compare Pny Xlr8 Cs3030 Nvme M2 2Tbwith Samsung Pm991 Nvme M2 256Gb

PNY VS Samsung

Feature	Pny Xlr8 Cs3030 Nvme M2 2Tb	Samsung Pm991 Nvme M2 256Gb
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	3500 megabytes per second (mb/s)	2050 megabytes per second (mb/s)
Sequential Write Speed	3000 megabytes per second (mb/s)	1000 megabytes per second (mb/s)
DRAM Memory	false	false
Operating Temperature Range		-
Average Lifespan	2,000,000 hours (MTBF) / 3115 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		-
Additional Features	ECC (Error Correction Code) Algorithm / APST, ASPM, L1.2 power saving optimizer / Secure Erase capability for irreversible data wiping / End-to-End (E2E) Data Path Protection	-
Certifications and Approvals		-
Size and Dimensions	2 * 22 * 80 millimeter (mm)	-
Product Weight	6.6 gram (g)	-
Random Read Speed	-
Random Write Speed	-
Operating Voltage	-
LED Status Indicator	-	false

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Compare Samsung Pm991 Nvme M2 256Gbwith ViccoMan VC500 SATA 2.5 Inch 256GB Capacity

Samsung VS Viccoman

Feature	Samsung Pm991 Nvme M2 256Gb	ViccoMan VC500 SATA 2.5 Inch 256GB Capacity
Memory Usage Type	Internal	Internal
Memory Connection Port
Storage Connection Details
Device Design and Dimensions		2.5 inch
Memory Capacity
Sequential Read Speed	2050 megabytes per second (mb/s)	550 megabytes per second (mb/s)
Sequential Write Speed	1000 megabytes per second (mb/s)	450 megabytes per second (mb/s)
Random Read Speed		-
Random Write Speed		-
DRAM Memory	false	false
Operating Voltage		-
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
Flash Memory Specifications	-
Average Lifespan	-	2,000,000 (MTBF) hour (h)
Compatible Operating Systems	-	Windows (7, 8, 8.1, 10) / macOS / Linux
Additional Features	-	Error Correction Code (ECC) Algorithm / Wear Leveling for increased drive lifespan / GC Algorithm support for optimal memory space usage
Size and Dimensions	-	10 * 70 * 100 millimeter (mm)
Product Weight	-	100 gram (g)

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Compare Samsung Pm991 Nvme M2 256Gbwith Silicon Power P34A80 NVMe M.2 1TB capacity

Samsung VS Silicon Power

Feature	Samsung Pm991 Nvme M2 256Gb	Silicon Power P34A80 NVMe M.2 1TB capacity
Memory Usage Type	Internal	Internal
Memory Connection Port
Storage Connection Details
Device Design and Dimensions
Memory Capacity		1 terabyte (tb)
Sequential Read Speed	2050 megabytes per second (mb/s)	3400 megabytes per second (mb/s)
Sequential Write Speed	1000 megabytes per second (mb/s)	3000 megabytes per second (mb/s)
Random Read Speed
Random Write Speed
DRAM Memory	false	true
Operating Voltage		-
NCQ Support	false	false
TRIM Support	false	true
RAID Support	false	true
S.M.A.R.T Support	false	true
LED Status Indicator	false	false
Flash Memory Specifications	-
Controller	-
DRAM Memory Type	-
Operating Temperature Range	-
Average Lifespan	-	1655 (TBW) terabyte (tb)
Compatible Operating Systems	-	Windows 8.1 and later
Additional Features	-
Certifications and Approvals	-
Size and Dimensions	-	3.5 * 22 * 80 millimeter (mm)
Product Weight	-	8 gram (g)

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Compare Samsung 960 Pro 512Gbwith Samsung Pm991 Nvme M2 256Gb

Samsung VS Samsung

Feature	Samsung 960 Pro 512Gb	Samsung Pm991 Nvme M2 256Gb
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)	2050 megabytes per second (mb/s)
Sequential Write Speed	2100 megabytes per second (mb/s)	1000 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	8.3 gram (g)	-
LED Status Indicator	false	false
Operating Voltage	-

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Compare Samsung 960 Pro 1Tbwith Samsung Pm991 Nvme M2 256Gb

Samsung VS Samsung

Feature	Samsung 960 Pro 1Tb	Samsung Pm991 Nvme M2 256Gb
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	3500 megabytes per second (mb/s)	2050 megabytes per second (mb/s)
Sequential Write Speed	2100 megabytes per second (mb/s)	1000 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) / 800 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	8.5 gram (g)	-
LED Status Indicator	false	false
Operating Voltage	-

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Compare Samsung Pm991 Nvme M2 256Gbwith Team Group GX1 SATA 2.5 Inch 480GB capacity

Samsung VS Mg

Feature	Samsung Pm991 Nvme M2 256Gb	Team Group GX1 SATA 2.5 Inch 480GB capacity
Memory Usage Type	Internal	Internal
Memory Connection Port
Storage Connection Details
Device Design and Dimensions		2.5 inch
Memory Capacity
Sequential Read Speed	2050 megabytes per second (mb/s)	530 megabytes per second (mb/s)
Sequential Write Speed	1000 megabytes per second (mb/s)	430 megabytes per second (mb/s)
Random Read Speed		-
Random Write Speed		-
DRAM Memory	false	false
Operating Voltage		5 volt (v)
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
Flash Memory Specifications	-
Operating Temperature Range	-
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 Samsung Pm991 Nvme M2 256Gbwith Seagate Firecuda 530 Heatsink 4Tb

Samsung VS Seagate

Feature	Samsung Pm991 Nvme M2 256Gb	Seagate Firecuda 530 Heatsink 4Tb
Memory Usage Type	Internal	Internal
Memory Connection Port
Storage Connection Details
Device Design and Dimensions
Memory Capacity		4 terabyte (tb)
Sequential Read Speed	2050 megabytes per second (mb/s)	7250 megabytes per second (mb/s)
Sequential Write Speed	1000 megabytes per second (mb/s)	6900 megabytes per second (mb/s)
Random Read Speed
Random Write Speed
DRAM Memory	false	false
Operating Voltage		-
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
Flash Memory Specifications	-
Operating Temperature Range	-
Average Lifespan	-	1,800,000 hours (MTBF) / 5100 Terabytes Written (TBW)
Power Consumption	-
Certifications and Approvals	-
Size and Dimensions	-	11.04 * 24.2 * 80.16 millimeter (mm)
Product Weight	-	47 gram (g)

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Compare Lexar Nq100 Sata 2 5 Inch 960Gbwith Samsung Pm991 Nvme M2 256Gb

Lexar VS Samsung

Feature	Lexar Nq100 Sata 2 5 Inch 960Gb	Samsung Pm991 Nvme M2 256Gb
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)	2050 megabytes per second (mb/s)
DRAM Memory	false	false
Operating Temperature Range		-
Operating Voltage
Average Lifespan	336 (TBW) terabyte (tb)	-
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 * 100.2 millimeter (mm)	-
Product Weight	34 gram (g)	-
LED Status Indicator	false	false
Sequential Write Speed	-	1000 megabytes per second (mb/s)
Random Read Speed	-
Random Write Speed	-

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Compare Samsung 870 Evo Sata 2 5 Inch 2Tbwith Samsung Pm991 Nvme M2 256Gb

Samsung VS Samsung

Feature	Samsung 870 Evo Sata 2 5 Inch 2Tb	Samsung Pm991 Nvme M2 256Gb
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		-
Controller		-
Sequential Read Speed	560 megabytes per second (mb/s)	2050 megabytes per second (mb/s)
Sequential Write Speed	530 megabytes per second (mb/s)	1000 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) / 1200 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		-
Certifications and Approvals		-
Size and Dimensions	6.8 * 69.85 * 100 millimeter (mm)	-
Product Weight	46 gram (g)	-
LED Status Indicator	-	false

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