Page 49 from comparison Samsung PM991a NVMe M.2 512GB capacity

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Twinmos Elitedrive Usb 32 1Tb

Feature	Samsung PM991a NVMe M.2 512GB capacity	Twinmos Elitedrive Usb 32 1Tb
Memory Usage Type	Internal	External
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)	550 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	450 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	true
LED Status Indicator	false	false
Connection Type	-	Type-C to Type-A USB 3.2 Gen 1
Controller	-
Average Lifespan	-	1,000,000 (MTBF) hour (h)
Compatible Operating Systems	-	Windows ME, 7, 10 / Mac OS version 10.1 and later / Linux kernel 2.4 and later
Additional Features	-	BBM algorithm for identifying and removing access errors
Color Options	-	Gray, Rose Gold

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Compare Addlink S20 Sata 2 5 Inch 1Tbwith Samsung PM991a NVMe M.2 512GB capacity

Addlink VS Samsung

Feature	Addlink S20 Sata 2 5 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
Controller		-
Sequential Read Speed	560 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	500 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) / 500 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 Adata Su750 Sata 2 5 Inch 1Tbwith Samsung PM991a NVMe M.2 512GB capacity

Adata VS Samsung

Feature	Adata Su750 Sata 2 5 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
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	false	false
Operating Temperature Range		-
Average Lifespan	2,000,000 hours (MTBF) / 800 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		-
Certifications and Approvals		-
Size and Dimensions	7 * 69.85 * 100.45 millimeter (mm)	-
Product Weight	47.5 gram (g)	-
LED Status Indicator	false	false

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Compare Hikvision Desire P Nvme M2 256Gbwith Samsung PM991a NVMe M.2 512GB capacity

Hikvision VS Samsung

Feature	Hikvision Desire P 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	2280 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
Operating Temperature Range		-
Average Lifespan	1,500,000 hours (MTBF) / 100 Terabytes Written (TBW)	-
NCQ Support	false	false
TRIM Support	true	false
RAID Support	false	false
S.M.A.R.T Support	false	false
Size and Dimensions	2.38 * 22.15 * 80.15 millimeter (mm)	-
Product Weight	7 gram (g)	-
LED Status Indicator	false	false

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Sony Xperia XA2

Samsung VS Sony

Feature	Samsung PM991a NVMe M.2 512GB capacity	Sony Xperia XA2
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	-
Price Range at Time of Release	-
Introduction Time	-	January 2018
Availability Status	-	Released
Official Release Date	-	February 2018
Operating System Type at Release	-	Android
Operating System at Release	-	Android 8.0 (Oreo)
Size and Dimensions	-	142 x 70 x 9.7 mm
Product Weight	-	171 gram (g)
Front Panel Material	-	Glass - Gorilla Glass 4
Screen Size	-	5.2 inch
Display Panel Type	-
Display Resolution	-
Pixel Density Range	-
Screen-to-Body Ratio	-	~75.0 percent (%)
Screen Aspect Ratio	-
Memory Card Slot	-	true
Bluetooth Support	-
Supported Memory Card Capacity	-
Main Camera Type - Wide/Standard	-	23 megapixel (mp)
Maximum Video Recording Quality of Rear Camera	-	4K
Main Selfie Camera Quality	-	8 megapixel (mp)
Battery Capacity	-	3300mAh
Battery Technology	-	Lithium-Ion
Battery Replaceability	-	Non-user replaceable
Wireless Charging Support	-	false
Connection Port Type	-
OTG Support	-	false
Fast Charging Capability	-	false
Speaker Type	-	Mono
Number of 3.5mm Jacks	-	true
Fingerprint Sensor Type	-	On the back of the phone
Wi-Fi Specifications	-
Communication Technologies	-
5G Support	-	false
Navigation Type and GPS	-

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Compare Samsung PM991a NVMe M.2 512GB capacitywith Western Digital Wdblack D30 Game Drive 1Tb

Samsung VS Western Digital

Feature	Samsung PM991a NVMe M.2 512GB capacity	Western Digital Wdblack D30 Game Drive 1Tb
Memory Usage Type	Internal	External
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)	900 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	false
Connection Type	-	Type-C to Type-A USB 3.2 Gen 2
Operating Temperature Range	-	0 to 45 degrees Celsius
Compatible Operating Systems	-	Windows 10 and later / macOS version 10 and later / PlayStation 4 and PlayStation 4 Pro / PlayStation 5 / Xbox One / Xbox Series X and S
Size and Dimensions	-	With stand: 45.9 x 60.5 x 96 mm / Without stand: 35 x 58 x 96 mm
Product Weight	-	With Stand: 137 g / Without Stand: 125 g
Box Contents	-	USB Type-C to USB Type-A cable / User manual

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Compare Gloway Fierce Sata 2 5 Inch 120Gbwith Samsung PM991a NVMe M.2 512GB capacity

Gloway VS Samsung

Feature	Gloway Fierce Sata 2 5 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
Controller		-
Sequential Read Speed	450 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	200 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
DRAM Memory	false	false
Operating Temperature Range		-
Operating Voltage		-
NCQ Support	false	false
TRIM Support	true	false
RAID Support	false	false
S.M.A.R.T Support	false	false
Compatible Operating Systems	Windows 7 and later	-
Certifications and Approvals		-
Size and Dimensions	7 * 69.85 * 100 millimeter (mm)	-
Product Weight	25 gram (g)	-
Flash Memory Specifications	-
Random Read Speed	-
Random Write Speed	-
LED Status Indicator	-	false

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Compare Adata Se900G Usb 32 Gen 2 1Tbwith Samsung PM991a NVMe M.2 512GB capacity

Adata VS Samsung

Feature	Adata Se900G Usb 32 Gen 2 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)
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)
Compatible Operating Systems	Android / macOS / Windows	-
Additional Features	RGB Lighting	-
Size and Dimensions	16.5 * 66 * 110.8 millimeter (mm)	-
Product Weight	160 gram (g)	-
Box Contents	USB 3.2 Type-C to Type-C cable / USB 3.2 Type-C to Type-A cable / User manual	-
Memory Connection Port	-
Storage Connection Details	-
Device Design and Dimensions	-
Flash Memory Specifications	-
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 Patriot Viper Vp4100 Nvme M2 2Tbwith Samsung PM991a NVMe M.2 512GB capacity

Patriot VS Samsung

Feature	Patriot Viper Vp4100 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	5000 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	4400 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	0 to 70 degrees Celsius	-
Average Lifespan	3600 (TBW) terabyte (tb)	-
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 7 and later	-
Additional Features	Compatible with AMD products with PCIe 4.0 standard / Memory temperature monitoring capability / Wear Leveling capability for increased memory lifespan / VIPER VP4100 SSD Toolbox software	-
Certifications and Approvals		-
Size and Dimensions	8 * 22 * 80 millimeter (mm)	-
Product Weight	25 gram (g)	-
LED Status Indicator	false	false

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Compare Gigabyte Aorus 5000E Nvme M2 500Gbwith Samsung PM991a NVMe M.2 512GB capacity

GIGABYTE VS Samsung

Feature	Gigabyte Aorus 5000E 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	5000 megabytes per second (mb/s)	3100 megabytes per second (mb/s)
Sequential Write Speed	3800 megabytes per second (mb/s)	1800 megabytes per second (mb/s)
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	SLC Cache support / Advanced LDPC ECC Algorithm / ECC (Error Correction Code) Algorithm / Thermal Throttle Protection technology for CPU and GPU cooling	-
Size and Dimensions	2.3 * 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 Silicon Power S60 60Gb

Samsung VS Silicon Power

Feature	Samsung PM991a NVMe M.2 512GB capacity	Silicon Power S60 60Gb
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)	520 megabytes per second (mb/s)
Sequential Write Speed	1800 megabytes per second (mb/s)	490 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 (MTTF) hour (h)
Additional Features	-
Certifications and Approvals	-
Size and Dimensions	-	7 * 69.85 * 100 millimeter (mm)
Product Weight	-	60 gram (g)

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Compare Hp S650 Sata 25 Inch 240Gbwith Samsung PM991a NVMe M.2 512GB capacity

Hp VS Samsung

Feature	Hp S650 Sata 25 Inch 240Gb	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	560 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)
Random Read Speed
Random Write Speed
DRAM Memory	false	false
Operating Temperature Range	0 to 70 degrees Celsius	-
Average Lifespan	1,000,000 hours (MTBF) / 80 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		-
Certifications and Approvals		-
Body Material	Aluminum	-
Size and Dimensions	6.7 * 70 * 100 millimeter (mm)	-
Product Weight	50 gram (g)	-
LED Status Indicator	-	false

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