Page 42 from comparison Samsung PM991a NVMe M.2 512GB capacity

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Compare Geil Zenith R3 120Gbwith Samsung PM991a NVMe M.2 512GB capacity

Feature	Geil Zenith R3 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	490 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	2,000,000 (MTBF) hour (h)	-
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 * 69.85 * 100 millimeter (mm)	-
LED Status Indicator	false	false
Random Read Speed	-
Random Write Speed	-

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Compare Msi Spatium S270 Sata 25 Inch 960Gbwith Samsung PM991a NVMe M.2 512GB capacity

msi VS Samsung

Feature	Msi Spatium S270 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
Controller		-
Sequential Read Speed	500 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	450 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	2,000,000 hours (MTBF) / 500 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	LPDC Coding / ECC (Error Correction Code) Algorithm / Over Provision capability for increased write speed without performance degradation	-
Size and Dimensions	100.2 x 69.85 x 7 mm	-
LED Status Indicator	false	false

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Viccoman Vc500 Sata 25 Inch 240Gb

Samsung VS Viccoman

Feature	Samsung PM991a NVMe M.2 512GB capacity	Viccoman Vc500 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)	550 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	450 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
Average Lifespan	-	2,000,000 (MTBF) hour (h)
Additional Features	-	Error Correction Code (ECC) Algorithm / Wear Leveling for increased drive lifespan / GC Algorithm support for optimal memory space usage
Size and Dimensions	-	7 * 70 * 100 millimeter (mm)
Product Weight	-	55 gram (g)

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Silicon Power Ace A55 128Gb

Samsung VS Silicon Power

Feature	Samsung PM991a NVMe M.2 512GB capacity	Silicon Power Ace A55 128Gb
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)	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 Temperature Range	-
Average Lifespan	-	1,500,000 (MTBF) hour (h)
Additional Features	-	SLC Cache support / ECC (Error Correction Code) Algorithm / Intel Smart Response Technology / Wear Leveling capability for increased memory lifespan / SP Toolbox software
Size and Dimensions	-	3.5 * 22 * 80 millimeter (mm)
Product Weight	-	8 gram (g)

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Compare Samsung PM991a NVMe M.2 512GB capacitywith X Energy Gold Drive Sata 2 5 Inch 128Gb

Samsung VS X Energy

Feature	Samsung PM991a NVMe M.2 512GB capacity	X Energy Gold Drive Sata 2 5 Inch 128Gb
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	-
Average Lifespan	-	2,000,000 (MTBF) hour (h)
Compatible Operating Systems	-	Windows
Additional Features	-
Certifications and Approvals	-

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Viccoman Vc500 Sata 25 Inch 128Gb

Samsung VS Viccoman

Feature	Samsung PM991a NVMe M.2 512GB capacity	Viccoman Vc500 Sata 25 Inch 128Gb
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)	550 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	450 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
Average Lifespan	-	2,000,000 (MTBF) hour (h)
Additional Features	-	Error Correction Code (ECC) Algorithm / Wear Leveling for increased drive lifespan / GC Algorithm support for optimal memory space usage
Size and Dimensions	-	7 * 70 * 100 millimeter (mm)
Product Weight	-	55 gram (g)

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Twinmos Hyper H2 Ultra Sata 2 5 Inch 1Tb

Samsung VS Twinmos

Feature	Samsung PM991a NVMe M.2 512GB capacity	Twinmos Hyper H2 Ultra Sata 2 5 Inch 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)	580 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	550 megabytes per second (mb/s)
Random Read Speed		120 megabytes per second (mb/s)
Random Write Speed		155 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
LED Status Indicator	false	-
Controller	-
Compatible Operating Systems	-	Windows / Mac OS version 10.1 and later / Linux kernel 2.4 and later
Additional Features	-	Wear Leveling capability for increased memory lifespan / BBM algorithm for identifying and removing access errors
Color Options	-	Gray, Rose Gold

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Compare Gigabyte Gp Gsm2Ne3512Gntd Nvme M2 512Gbwith Samsung PM991a NVMe M.2 512GB capacity

GIGABYTE VS Samsung

Feature	Gigabyte Gp Gsm2Ne3512Gntd 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
Sequential Read Speed	1700 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	1550 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) / 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
Additional Features	HMB (Host Memory Buffer) technology for using a small part of system RAM as cache / Secure Erase capability for irreversible data deletion / Memory temperature display capability / SSD Tool Box software	-
Size and Dimensions	2.3 * 22 * 80 millimeter (mm)	-
LED Status Indicator	false	false

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Samsung T5 Usb 31 25 Inch 500Gb

Samsung VS Samsung

Feature	Samsung PM991a NVMe M.2 512GB capacity	Samsung T5 Usb 31 25 Inch 500Gb
Memory Usage Type	Internal	External
Memory Connection Port		-
Storage Connection Details		-
Device Design and Dimensions		-
Memory Capacity
Flash Memory Specifications
Sequential Read Speed	3100 megabytes per second (mb/s)	540 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	true
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
Controller	-
Operating Temperature Range	-
Encryption Technology	-
Compatible Operating Systems	-	Windows version 7 and later / macOS X version 10.9 and later / Android 4.4 and later
Additional Features	-	UASP support / Samsung Portable SSD software
Certifications and Approvals	-
Body Material	-	Plastic
Color Options	-	Blue, Red, Gold
Size and Dimensions	-	10.5 * 57.3 * 74 millimeter (mm)
Product Weight	-	51 gram (g)
Box Contents	-	USB Type C to USB Type A Cable / USB Type C to USB Type C Cable / User Manual

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Compare Lexar Nm610 Nvme M2 1Tbwith Samsung PM991a NVMe M.2 512GB capacity

Lexar VS Samsung

Feature	Lexar Nm610 Nvme M2 1Tb	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
Sequential Read Speed	2100 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	1600 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) / 500 Terabytes Written (TBW)	-
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	2.25 * 22 * 80 millimeter (mm)	-
Product Weight	9 gram (g)	-
LED Status Indicator	false	false

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Compare Asgard An2 Nvme M2 250Gbwith Samsung PM991a NVMe M.2 512GB capacity

Asgard VS Samsung

Feature	Asgard An2 Nvme M2 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	2000 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	1700 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
Size and Dimensions	3 * 22 * 80 millimeter (mm)	-
Random Read Speed	-
Random Write Speed	-
LED Status Indicator	-	false

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Compare Hikvision C100 120Gbwith Samsung PM991a NVMe M.2 512GB capacity

Hikvision VS Samsung

Feature	Hikvision C100 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
Sequential Read Speed	550 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	435 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
DRAM Memory	false	false
Operating Temperature Range		-
Average Lifespan	2,000,000 (MTBF) hour (h)	-
Power Consumption		-
NCQ Support	false	false
TRIM Support	true	false
RAID Support	false	false
S.M.A.R.T Support	false	false
Size and Dimensions	7 * 69.9 * 100.1 millimeter (mm)	-
Product Weight	59 gram (g)	-
LED Status Indicator	false	false
Random Read Speed	-
Random Write Speed	-

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