Page 15 from comparison Samsung PM991a NVMe M.2 512GB capacity

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Compare Gigabyte Gen3 2500E Nvme M2 500Gbwith Samsung PM991a NVMe M.2 512GB capacity

Feature	Gigabyte Gen3 2500E Nvme M2 500Gb	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	2300 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	1500 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 (MTBF) hour (h)	-
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 / Energy consumption optimizer / SSD Tool Box software	-
Certifications and Approvals		-
Size and Dimensions	2.3 * 22 * 80 millimeter (mm)	-
LED Status Indicator	false	false

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Compare Samsung 850 Evo 2Tbwith Samsung PM991a NVMe M.2 512GB capacity

Samsung VS Samsung

Feature	Samsung 850 Evo 2Tb	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	2 terabyte (tb)
Flash Memory Specifications
Controller		-
Sequential Read Speed	540 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	520 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	1,500,000 hours (MTBF) / 300 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	6.8 * 69.85 * 100 millimeter (mm)	-
Product Weight	54.4 gram (g)	-
LED Status Indicator	false	false

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Compare Kodak X300S Nvme M2 1Tbwith Samsung PM991a NVMe M.2 512GB capacity

Kodak VS Samsung

Feature	Kodak X300S 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	3300 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	3100 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
Random Read Speed
Random Write Speed
DRAM Memory	false	false
Average Lifespan	1,500,000 hours (MTBF) / 600 Terabytes Written (TBW)	-
NCQ Support	false	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 / Over-Provision capability for increased memory lifespan / Low power consumption / ECC (Error Correction Code) Algorithm / Bad block management capability	-
Size and Dimensions	2 * 22 * 80 millimeter (mm)	-
LED Status Indicator	false	false

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Compare Samsung 860 Pro 512Gbwith Samsung PM991a NVMe M.2 512GB capacity

Samsung VS Samsung

Feature	Samsung 860 Pro 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
Controller		-
Sequential Read Speed	560 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	530 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		-
Operating Voltage	5 volt (v)	-
Average Lifespan	1,500,000 hours (MTBF) / 600 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	100 x 69.8 x 6.8 mm	-
Product Weight	51 gram (g)	-
LED Status Indicator	false	false

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Compare Micron M2 2280 512Gbwith Samsung PM991a NVMe M.2 512GB capacity

Micron VS Samsung

Feature	Micron M2 2280 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	530 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	520 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
Random Read Speed
Random Write Speed
DRAM Memory	false	false
Operating Voltage	3.3 volt (v)	-
LED Status Indicator	false	false
NCQ Support	-	false
TRIM Support	-	false
RAID Support	-	false
S.M.A.R.T Support	-	false

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Compare Klevv R1 Usb 32 Gen2 1Tbwith Samsung PM991a NVMe M.2 512GB capacity

Klevv VS Samsung

Feature	Klevv R1 Usb 32 Gen2 1Tb	Samsung PM991a NVMe M.2 512GB capacity
Memory Usage Type	External	Internal
Connection Type	Type-C to Type-C USB 3.2 Gen 2	-
Memory Capacity	1 terabyte (tb)
Flash Memory Specifications
Sequential Read Speed	1000 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	1000 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 and later / macOS X 10.6 and later / Android 5 and later / Linux Kernel 2.6 and later	-
Additional Features	Equipped with copper heatsink / Supports DoYourData recovery software / SLC cache algorithm	-
Body Material	Plastic	-
Size and Dimensions	12.1 * 38 * 107 millimeter (mm)	-
Product Weight	66.5 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 Hgst Emc V4 2S6Fx 400 Sas 400Gbwith Samsung PM991a NVMe M.2 512GB capacity

Mc VS Samsung

Feature	Hgst Emc V4 2S6Fx 400 Sas 400Gb	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
DRAM Memory	false	false
Operating Voltage		-
NCQ Support	true	false
TRIM Support	false	false
RAID Support	true	false
S.M.A.R.T Support	false	false
Certifications and Approvals		-
Size and Dimensions	150 * 120 * 15 millimeter (mm)	-
Product Weight	250 gram (g)	-
LED Status Indicator	false	false
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	-

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Compare Samsung 850 Evo 500Gbwith Samsung PM991a NVMe M.2 512GB capacity

Samsung VS Samsung

Feature	Samsung 850 Evo 500Gb	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	540 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	520 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	1,500,000 hours (MTBF) / 150 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	6.8 * 69.85 * 100 millimeter (mm)	-
Product Weight	54.4 gram (g)	-
LED Status Indicator	false	false

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Compare Msi Spatium M371 Nvme M2 2Tbwith Samsung PM991a NVMe M.2 512GB capacity

msi VS Samsung

Feature	Msi Spatium M371 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	2350 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	1900 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)	-
Power Consumption		-
NCQ Support	false	false
TRIM Support	false	false
RAID Support	false	false
S.M.A.R.T Support	false	false
Additional Features	Advanced LDPC ECC error correction algorithm / End-to-end (E2E) data protection during transmission / Pyrite feature for data encryption and security	-
Size and Dimensions	2.15 * 22 * 80 millimeter (mm)	-
LED Status Indicator	false	false

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Western Digital Blue Wds100T3B0A Sata 25 Inch 1Tb

Samsung VS Blu

Feature	Samsung PM991a NVMe M.2 512GB capacity	Western Digital Blue Wds100T3B0A Sata 25 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)	560 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	520 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
Average Lifespan	-	1,750,000 hours (MTBF) / 400 Terabytes Written (TBW)
Power Consumption	-
Additional Features	-
Certifications and Approvals	-
Color Options	-	Blue
Size and Dimensions	-	7 * 69.85 * 100.2 millimeter (mm)
Product Weight	-	34.6 gram (g)

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Compare Gloway Stryker Series Sata 25 Inch 480Gbwith Samsung PM991a NVMe M.2 512GB capacity

Gloway VS Samsung

Feature	Gloway Stryker Series 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
Controller		-
Sequential Read Speed	460 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	350 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
DRAM Memory	false	false
Operating Temperature Range		-
Average Lifespan	1,000,000 (MTBF) hour (h)	-
Power Consumption	1.5W in active mode / 3W in standby mode	-
NCQ Support	true	false
TRIM Support	true	false
RAID Support	false	false
S.M.A.R.T Support	false	false
Encryption Technology	128 and 256-bit AES	-
Compatible Operating Systems	Windows XP and later / macOS / Linux	-
Additional Features		-
Certifications and Approvals		-
Size and Dimensions	7 * 69.85 * 100 millimeter (mm)	-
Product Weight	100 gram (g)	-
LED Status Indicator	false	false
Random Read Speed	-
Random Write Speed	-

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Compare Adata Se800 Usb 3 2 Gen 2 512Gbwith Samsung PM991a NVMe M.2 512GB capacity

Adata VS Samsung

Feature	Adata Se800 Usb 3 2 Gen 2 512Gb	Samsung PM991a NVMe M.2 512GB capacity
Memory Usage Type	External	Internal
Connection Type	Type-C to Type-C USB 3.2 Gen 2	-
Memory Capacity
Flash Memory Specifications
Sequential Read Speed	1000 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	1000 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
Operating Temperature Range		-
Operating Voltage	5 volt (v)	-
Compatible Operating Systems	Windows XP and later / macOS X 10.6 and later / Linux Kernel 2.6 and later	-
Additional Features		-
Certifications and Approvals	IP68 certified / MIL-STD-810G military standard / - FCC, CE, KC, EAC, RoHS	-
Color Options	Black, Blue	-
Size and Dimensions	12.2 * 44 * 72.7 millimeter (mm)	-
Product Weight	40 gram (g)	-
LED Status Indicator	true	false
Box Contents	USB Type-C to USB Type-C connection cable / USB Type-A to USB Type-C adapter / User manual	-
Memory Connection Port	-
Storage Connection Details	-
Device Design and Dimensions	-
Random Read Speed	-
Random Write Speed	-
DRAM Memory	-	false
NCQ Support	-	false
TRIM Support	-	false
RAID Support	-	false
S.M.A.R.T Support	-	false

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