Page 28 from comparison Samsung PM991a NVMe M.2 512GB capacity

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Sandisk Extreme Pro Usb 3 1 Gen 2 1Tb

Feature	Samsung PM991a NVMe M.2 512GB capacity	Sandisk Extreme Pro Usb 3 1 Gen 2 1Tb
Memory Usage Type	Internal	External
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)	1050 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	false
RAID Support	false	false
S.M.A.R.T Support	false	false
LED Status Indicator	false	true
Connection Type	-	Type-C to Type-C USB 3.1 Gen 2
Operating Temperature Range	-
Additional Features	-
Certifications and Approvals	-	IP55 Certified
Body Material	-	Plastic
Size and Dimensions	-	10.22 * 57.34 * 110.26 millimeter (mm)
Box Contents	-	USB Type C to USB Type C Cable / USB Type C to USB Type A Adapter / User Manual

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Compare Hp S700 Sata M 2 250Gbwith Samsung PM991a NVMe M.2 512GB capacity

Hp VS Samsung

Feature	Hp S700 Sata M 2 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	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		-
Operating Voltage	3.3 volt (v)	-
Average Lifespan	2,000,000 hours (MTTF) / 145 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
Encryption Technology		-
Compatible Operating Systems	Windows version 7 and later	-
Additional Features		-
Size and Dimensions	3.35 * 22 * 80 millimeter (mm)	-
Product Weight	5 gram (g)	-
LED Status Indicator	false	false

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Compare Afox Afsn8Hbw480G Sata 25 Inch 480Gbwith Samsung PM991a NVMe M.2 512GB capacity

Hb VS Samsung

Feature	Afox Afsn8Hbw480G Sata 25 Inch 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
Sequential Read Speed	500 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	400 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
Random Read Speed
Random Write Speed
DRAM Memory	false	false
Operating Temperature Range		-
NCQ Support	true	false
TRIM Support	true	false
RAID Support	false	false
S.M.A.R.T Support	false	false
Compatible Operating Systems	Windows XP and later / macOS / Linux	-
Additional Features	DevSleep support / ATA/ATAPI-8 support	-
Size and Dimensions	6.8 * 69.85 * 100 millimeter (mm)	-
LED Status Indicator	-	false

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Compare Adata Sd600Q 480Gbwith Samsung PM991a NVMe M.2 512GB capacity

Adata VS Samsung

Feature	Adata Sd600Q 480Gb	Samsung PM991a NVMe M.2 512GB capacity
Memory Usage Type	External	Internal
Device Design and Dimensions	2.5 inch
Connection Type	Micro-B to Type-A USB 3.2 Gen 1	-
Memory Capacity
Flash Memory Specifications
Controller		-
Sequential Read Speed	440 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	430 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
DRAM Memory	false	false
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 8 and later / macOS X version 10.6 and later / Linux Kernel 2.6 and later / Android 5.0 and later	-
Additional Features	Supports Smart SLC Cache / Resistant to vibration and shock from a height of 1.22 meters / Supports Xbox One and PlayStation 4 game consoles	-
Certifications and Approvals	MIL-STD-810G 516.6 military standard / FCC, CE, KC, EAC, BSMI, RoHS	-
Body Material	Plastic	-
Color Options	Black, Blue, Red	-
Size and Dimensions	15.2 * 80 * 80 millimeter (mm)	-
Product Weight	60 gram (g)	-
LED Status Indicator	true	false
Memory Connection Port	-
Storage Connection Details	-
Random Read Speed	-
Random Write Speed	-

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Compare Klevv S1 Usb 32 Gen2X2 1Tbwith Samsung PM991a NVMe M.2 512GB capacity

Klevv VS Samsung

Feature	Klevv S1 Usb 32 Gen2X2 1Tb	Samsung PM991a NVMe M.2 512GB capacity
Memory Usage Type	External	Internal
Connection Type	Type-C to Type-C USB 3.2 Gen 2x2	-
Memory Capacity	1 terabyte (tb)
Flash Memory Specifications
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
NCQ Support	false	false
TRIM Support	false	false
RAID Support	false	false
S.M.A.R.T Support	false	false
Compatible Operating Systems	Windows 8.1 and later / macOS 10 / 11 and later	-
Additional Features	SLC cache algorithm / Supports DoYourData recovery software	-
Color Options	Cream and Black	-
Size and Dimensions	10.5 * 80 * 80 millimeter (mm)	-
Product Weight	75 gram (g)	-
LED Status Indicator	true	false
Memory Connection Port	-
Storage Connection Details	-
Device Design and Dimensions	-
Random Read Speed	-
Random Write Speed	-

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Western Digital Black Sn850 Nvme M2 500Gb

Samsung VS Western Digital

Feature	Samsung PM991a NVMe M.2 512GB capacity	Western Digital Black Sn850 Nvme M2 500Gb
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)	7000 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	4100 megabytes per second (mb/s)
Random Read Speed
Random Write Speed
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	true
Controller	-
DRAM Memory Type	-
Operating Temperature Range	-
Average Lifespan	-	300 (TBW) terabyte (tb)
Power Consumption	-
Encryption Technology	-
Compatible Operating Systems	-	Windows 8.1 and later
Size and Dimensions	-	2.38 x 22.15 x 80.15 mm (without heatsink) / 8.8 x 23.4 x 80.2 mm (with heatsink)
Product Weight	-	7.5 gram (g)

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Compare Adata Ultimate Su650 Sata M2 256Gbwith Samsung PM991a NVMe M.2 512GB capacity

Adata VS Samsung

Feature	Adata Ultimate Su650 Sata 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
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	false	false
Operating Temperature Range		-
Average Lifespan	1,500,000 hours (MTBF) / 420 Terabytes Written (TBW)	-
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	3.5 * 22 * 80 millimeter (mm)	-
Product Weight	7 gram (g)	-
LED Status Indicator	false	false

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Compare Kingspec Nt 2240 M2 128Gbwith Samsung PM991a NVMe M.2 512GB capacity

KingSpec VS Samsung

Feature	Kingspec Nt 2240 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
Sequential Read Speed	580 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)
DRAM Memory	false	false
Operating Temperature Range	0 to 70 degrees Celsius	-
Operating Voltage	3.3 volt (v)	-
Average Lifespan	1,000,000 hours (MTBF) / 87 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	Wear Leveling capability for increased memory lifespan	-
Size and Dimensions	3.5 * 22 * 42 millimeter (mm)	-
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 Green Sn350 Nvme M2 240Gb

Samsung VS Western Digital

Feature	Samsung PM991a NVMe M.2 512GB capacity	Western Digital Green Sn350 Nvme M2 240Gb
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)	2400 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	900 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	-
Average Lifespan	-	1,000,000 hours (MTTF) / 40 Terabytes Written (TBW)
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 Hp S700 Sata 25 Inch 120Gbwith Samsung PM991a NVMe M.2 512GB capacity

Hp VS Samsung

Feature	Hp S700 Sata 25 Inch 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
Controller		-
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		-
Average Lifespan	2,000,000 hours (MTTF) / 70 Terabytes Written (TBW)	-
Power Consumption		-
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	6.7 * 69.8 * 100 millimeter (mm)	-
Product Weight	50 gram (g)	-
LED Status Indicator	false	false

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Western Digital Green Wds240G3G0A Sata 25 Inch 240Gb

Samsung VS Ds

Feature	Samsung PM991a NVMe M.2 512GB capacity	Western Digital Green Wds240G3G0A Sata 25 Inch 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)	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	-
Power Consumption	-
Additional Features	-
Certifications and Approvals	-
Size and Dimensions	-	7 * 69.85 * 100.5 millimeter (mm)
Product Weight	-	36.2 gram (g)

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Compare Biostar S120 512Gbwith Samsung PM991a NVMe M.2 512GB capacity

Biostar VS Samsung

Feature	Biostar S120 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	550 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	525 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
DRAM Memory	false	false
Operating Temperature Range		-
NCQ Support	false	false
TRIM Support	false	false
RAID Support	false	false
S.M.A.R.T Support	false	false
Compatible Operating Systems	--- Operating System Compatibility Starts Here ---	-
Additional Features		-
Size and Dimensions	7 * 80 * 120 millimeter (mm)	-
Product Weight	36 gram (g)	-
LED Status Indicator	false	false
Random Read Speed	-
Random Write Speed	-

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