Page 20 from comparison Samsung PM991a NVMe M.2 512GB capacity

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Compare Pioneer APS-SE20Q NVMe M.2 500GB capacitywith Samsung PM991a NVMe M.2 512GB capacity

Feature	Pioneer APS-SE20Q NVMe M.2 500GB capacity	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	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 Read Speed
Random Write Speed
DRAM Memory	false	false
Operating Temperature Range		-
Average Lifespan	45 (TBW) terabyte (tb)	-
NCQ Support	false	false
TRIM Support	false	false
RAID Support	false	false
S.M.A.R.T Support	false	false
Additional Features	SLC Cache support / Memory temperature monitoring capability / Advanced LDPC ECC Algorithm / Wear Leveling capability for increased memory lifespan	-
Size and Dimensions	22 * 80 millimeter (mm)	-
Product Weight	10 gram (g)	-
LED Status Indicator	false	false

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Compare Hp S700 Sata 25 Inch 1Tbwith Samsung PM991a NVMe M.2 512GB capacity

Hp VS Samsung

Feature	Hp S700 Sata 25 Inch 1Tb	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	1 terabyte (tb)
Flash Memory Specifications
Sequential Read Speed	561 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	523 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) / 500 Terabytes Written (TBW)	-
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	6.7 * 69.8 * 100 millimeter (mm)	-
Product Weight	50 gram (g)	-
LED Status Indicator	false	false

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Compare Biostar Ssd S100 480Gbwith Samsung PM991a NVMe M.2 512GB capacity

Biostar VS Samsung

Feature	Biostar Ssd S100 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
Controller		-
Sequential Read Speed	540 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		-
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 ---	-
Size and Dimensions	7 * 70 * 100 millimeter (mm)	-
Product Weight	36 gram (g)	-
LED Status Indicator	false	false
Flash Memory Specifications	-
Random Read Speed	-
Random Write Speed	-

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Compare Kingmax Smv Sata 25 Inch 960Gbwith Samsung PM991a NVMe M.2 512GB capacity

Kingmax VS Samsung

Feature	Kingmax Smv Sata 25 Inch 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
Sequential Read Speed	540 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	0 to 70 degrees Celsius	-
Average Lifespan	1,500,000 hours (MTBF) / 480 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		-
Size and Dimensions	7 * 69.9 * 100.5 millimeter (mm)	-
Product Weight	71 gram (g)	-
LED Status Indicator	false	false

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Compare Samsung Pm1643 Sas 25 Inch 192Tbwith Samsung PM991a NVMe M.2 512GB capacity

Samsung VS Samsung

Feature	Samsung Pm1643 Sas 25 Inch 192Tb	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	1.92 terabyte (tb)
Flash Memory Specifications
Sequential Read Speed	2100 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)
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
Additional Features	Suitable for network equipment / ECC (Error Correction Code) Algorithm	-
Size and Dimensions	14.8 * 69.85 * 100.2 millimeter (mm)	-
LED Status Indicator	false	false

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Compare PNY CS2140 NVMe M.2 1TB capacitywith Samsung PM991a NVMe M.2 512GB capacity

PNY VS Samsung

Feature	PNY CS2140 NVMe M.2 1TB capacity	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	3600 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	3200 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
Size and Dimensions	4 * 22 * 80 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 Black Sn770 Nvme M2 2Tb

Samsung VS Western Digital

Feature	Samsung PM991a NVMe M.2 512GB capacity	Western Digital Black Sn770 Nvme M2 2Tb
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	3100 megabytes per second (mb/s)	5150 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	4850 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	-	600 (TBW) terabyte (tb)
Compatible Operating Systems	-	Windows 8.1 and later
Additional Features	-	WD Black SSD Dashboard software with Gaming Mode support
Size and Dimensions	-	2.38 * 22 * 80 millimeter (mm)
Product Weight	-	5.5 gram (g)

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Silicon Power V55 480Gb

Samsung VS Silicon Power

Feature	Samsung PM991a NVMe M.2 512GB capacity	Silicon Power V55 480Gb
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		-
Random Write Speed		-
DRAM Memory	false	false
NCQ Support	false	true
TRIM Support	false	true
RAID Support	false	true
S.M.A.R.T Support	false	true
LED Status Indicator	false	false
Average Lifespan	-	1,500,000 (MTBF) hour (h)
Additional Features	-
Size and Dimensions	-	7 * 69.85 * 100 millimeter (mm)
Product Weight	-	63 gram (g)

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Silicon Power Ace A55 512Gb

Samsung VS Silicon Power

Feature	Samsung PM991a NVMe M.2 512GB capacity	Silicon Power Ace A55 512Gb
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		-
Random Write Speed		-
DRAM Memory	false	false
NCQ Support	false	true
TRIM Support	false	true
RAID Support	false	true
S.M.A.R.T Support	false	true
LED Status Indicator	false	false
Operating Voltage	-	5 volt (v)
Average Lifespan	-	1,500,000 (MTBF) hour (h)
Additional Features	-
Size and Dimensions	-	7 * 69.85 * 100 millimeter (mm)
Product Weight	-	63 gram (g)

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Teamgroup Cx2 Sata 2 5 Inch 512Gb

Samsung VS Mg

Feature	Samsung PM991a NVMe M.2 512GB capacity	Teamgroup Cx2 Sata 2 5 Inch 512Gb
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)	530 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	470 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	-	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
Additional Features	-
Certifications and Approvals	-
Size and Dimensions	-	7 * 69.9 * 100 millimeter (mm)

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Compare Intel 660P Series Nvme M2 256Gbwith Samsung PM991a NVMe M.2 512GB capacity

Intel VS Samsung

Feature	Intel 660P Series 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	1570 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)
DRAM Memory	false	false
Power Consumption	Max 0.1W in active mode / 0.04W in Idle mode	-
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
Random Read Speed	-
Random Write Speed	-

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Samsung T7 Usb 32 Gen 2 1Tb

Samsung VS Samsung

Feature	Samsung PM991a NVMe M.2 512GB capacity	Samsung T7 Usb 32 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)	1000 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 3.2 Gen 2
Encryption Technology	-
Compatible Operating Systems	-	Windows version 7 and later / macOS X version 10.10 and later / Android 5.0 and later / Game Consoles
Additional Features	-	Memory temperature control capability / Samsung Portable SSD Software
Certifications and Approvals	-
Body Material	-	Aluminum
Color Options	-	Dark Gray, Blue, Red
Size and Dimensions	-	8 * 57 * 85 millimeter (mm)
Product Weight	-	58 gram (g)
Box Contents	-	USB Type-C to USB Type-C cable / USB Type-C to USB Type-A cable / User manual

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