Page 57 from comparison Samsung PM991a NVMe M.2 512GB capacity

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Compare Adata Legend 700 Nvme M2 1Tbwith Samsung PM991a NVMe M.2 512GB capacity

Feature	Adata Legend 700 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	2000 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	0 to 70 degrees Celsius	-
Average Lifespan	1,500,000 hours (MTBF) / 480 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		-
Color Options	Blue	-
Size and Dimensions	3.13 × 22 × 80 mm with heatsink / 2.15 × 22 × 80 mm without heatsink	-
Product Weight	9g with heatsink ** 6.2g without heatsink	-
LED Status Indicator	false	false

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Samsung T7 Touch 500Gb

Samsung VS Samsung

Feature	Samsung PM991a NVMe M.2 512GB capacity	Samsung T7 Touch 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)	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	-	Fingerprint sensor / Samsung Portable SSD Software
Certifications and Approvals	-
Body Material	-	Aluminum
Color Options	-	Black, Silver
Size and Dimensions	-	8.0 * 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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Compare Kingspec P3 512Gbwith Samsung PM991a NVMe M.2 512GB capacity

KingSpec VS Samsung

Feature	Kingspec P3 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	580 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	570 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	-
Operating Voltage	5 volt (v)	-
Average Lifespan	1,000,000 hours (MTBF) / 349 Terabytes Written (TBW)	-
Power Consumption	1.4W in active mode	-
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	7 * 70 * 100.4 millimeter (mm)	-
LED Status Indicator	false	false

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Compare Adata Legend 850 Nvme M2 512Gbwith Samsung PM991a NVMe M.2 512GB capacity

Adata VS Samsung

Feature	Adata Legend 850 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
Controller		-
Sequential Read Speed	5000 MB/s (laptop, computer) / 4600 MB/s (PS5)	3100 megabytes per second (mb/s)
Sequential Write Speed	4500 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 (MTBF) hour (h)	-
NCQ Support	false	false
TRIM Support	false	false
RAID Support	false	false
S.M.A.R.T Support	true	false
Additional Features		-
Certifications and Approvals		-
Size and Dimensions	3.13 × 22 × 80 mm with heatsink / 2.15 × 22 × 80 mm without heatsink	-
Product Weight	5g with heatsink ** 4g without heatsink	-
LED Status Indicator	false	false

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Compare Asus Vivobook S 15 Oled K3502Za Core I5 12500H Iris Xe 8Gb 1Tbwith Samsung PM991a NVMe M.2 512GB capacity

ASUS VS Samsung

Feature	Asus Vivobook S 15 Oled K3502Za Core I5 12500H Iris Xe 8Gb 1Tb	Samsung PM991a NVMe M.2 512GB capacity
Size and Dimensions	18.9 * 232.9 * 359.8 millimeter (mm)	-
Product Weight	1.8 kilogram (kg)	-
CPU		-
CPU Generation		-
Processor Operating Frequency		-
Cache Memory Size		-
Processor Details	12th Gen Core i5 processors / 12 cores / 16 threads / 10nm lithography	-
Integrated Graphics with Processor		-
RAM Capacity		-
RAM Type		-
Storage Capacity	1 terabyte (tb)	-
Storage Type		-
Display Size	15.6 inch	-
Display Resolution	2880×1620	-
Refresh Rate	120 hertz (hz)	-
Touchscreen Capability	false	-
Ethernet Port	false	-
Wireless Network Capability	true	-
Bluetooth Support	true	-
VGA Port	false	-
HDMI	true	-
DVI Port	false	-
USB Type C port	true	-
Thunderbolt Support	true	-
Presence of headphone/microphone jack	true	-
Battery size and capacity	3-cell lithium-ion battery with 70 Wh capacity	-
Optical Drive	false	-
Webcam	true	-
Webcam Details		-
Backlit Keyboard	true	-
Fingerprint Sensor	true	-
Card Reader	false	-
Speaker Type	Internal stereo speakers made by Harman Kardon	-
Memory Usage Type	-	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)
Sequential Write Speed	-	1800 megabytes per second (mb/s)
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
LED Status Indicator	-	false

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Compare Fadak B5 Sereis Nvme M2 256Gbwith Samsung PM991a NVMe M.2 512GB capacity

Fadak Memory VS Samsung

Feature	Fadak B5 Sereis 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
Sequential Read Speed	2040 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	1270 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 (MTBF) / 150 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		-
Size and Dimensions	2.25 * 22 * 80 millimeter (mm)	-
Product Weight	Approx. 8 g	-
LED Status Indicator	false	false
Flash Memory Specifications	-

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Compare Addlink S20 Sata 2 5 Inch 256Gbwith Samsung PM991a NVMe M.2 512GB capacity

Addlink VS Samsung

Feature	Addlink S20 Sata 2 5 Inch 256Gb	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	510 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)
DRAM Memory	false	false
Operating Temperature Range		-
Operating Voltage		-
Average Lifespan	2,000,000 hours (MTBF) / 130 Terabytes Written (TBW)	-
NCQ Support	false	false
TRIM Support	false	false
RAID Support	false	false
S.M.A.R.T Support	false	false
Compatible Operating Systems	Windows / macOS X / Linux	-
Additional Features	ECC (Error Correction Code) Algorithm	-
LED Status Indicator	false	false
Random Read Speed	-
Random Write Speed	-

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Compare Kioxia Exceria Sata 2 5 Inch 480Gbwith Samsung PM991a NVMe M.2 512GB capacity

Kioxia VS Samsung

Feature	Kioxia Exceria Sata 2 5 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	555 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)
Random Read Speed
Random Write Speed
DRAM Memory	false	false
Operating Temperature Range		-
Operating Voltage	5 volt (v)	-
Average Lifespan	1,500,000 hours (MTBF) / 120 Terabytes Written (TBW)	-
Power Consumption		-
NCQ Support	false	false
TRIM Support	true	false
RAID Support	false	false
S.M.A.R.T Support	false	false
Additional Features		-
Size and Dimensions	7.20 * 70.10 * 100.45 millimeter (mm)	-
Product Weight	45.6 gram (g)	-
LED Status Indicator	false	false

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

Kingmax VS Samsung

Feature	Kingmax Siv Sata 25 Inch 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	500 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	-
Operating Voltage	5 volt (v)	-
Average Lifespan	1,500,000 hours (MTBF) / 300 Terabytes Written (TBW)	-
Power Consumption		-
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 860 Qvo 1Tbwith Samsung PM991a NVMe M.2 512GB capacity

Samsung VS Samsung

Feature	Samsung 860 Qvo 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
Controller		-
Sequential Read Speed	550 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		-
Operating Voltage	5 volt (v)	-
Average Lifespan	1,500,000 hours (MTBF) / 360 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	62 gram (g)	-
LED Status Indicator	false	false

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Compare Kioxia Exceria Nvme M2 250Gbwith Samsung PM991a NVMe M.2 512GB capacity

Kioxia VS Samsung

Feature	Kioxia Exceria 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
Sequential Read Speed	1700 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	1200 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	1,500,000 hours (MTBF) / 100 Terabytes Written (TBW)	-
Power Consumption		-
NCQ Support	false	false
TRIM Support	true	false
RAID Support	false	false
S.M.A.R.T Support	false	false
Additional Features		-
Size and Dimensions	2.23 * 22.15 * 80.15 millimeter (mm)	-
Product Weight	6 gram (g)	-
LED Status Indicator	false	false

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Compare Adata Legend 840 Nvme M2 512Gbwith Samsung PM991a NVMe M.2 512GB capacity

Adata VS Samsung

Feature	Adata Legend 840 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
Controller		-
Sequential Read Speed	5000 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	4500 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) / 650 Terabytes Written (TBW)	-
NCQ Support	false	false
TRIM Support	false	false
RAID Support	false	false
S.M.A.R.T Support	true	false
Encryption Technology		-
Size and Dimensions	3.13 × 22 × 80 mm with heatsink / 2.15 × 22 × 80 mm without heatsink	-
Product Weight	9g with heatsink ** 6g without heatsink	-
LED Status Indicator	false	false

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