Page 3 from comparison Samsung PM991a NVMe M.2 512GB capacity

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Compare Lenovo 4XB7A90874 Internal SSDwith Samsung PM991a NVMe M.2 512GB capacity

Feature	Lenovo 4XB7A90874 Internal SSD	Samsung PM991a NVMe M.2 512GB capacity
Memory Capacity	960 GB
Flash Memory Specifications	V-NAND TLC
Random Read Speed	81000 IOPS
Random Write Speed	28000 IOPS
Average Lifespan	2000000 h	-
Operating Temperature Range	0 - 70 °C	-
Size and Dimensions	2.5" (70 * 100 * 7 mm)	-
Memory Connection Port	Serial ATA III
Storage Connection Details	No
Memory Usage Type	Internal	Internal
S.M.A.R.T Support	true	false
Device Design and Dimensions	-
Sequential Read Speed	-	3100 megabytes per second (mb/s)
Sequential Write Speed	-	1800 megabytes per second (mb/s)
DRAM Memory	-	false
NCQ Support	-	false
TRIM Support	-	false
RAID Support	-	false
LED Status Indicator	-	false

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Compare Kingston Technology 1TB NV3 M.2 2230 NVMe Internal SSDwith Samsung PM991a NVMe M.2 512GB capacity

Kingston VS Samsung

Feature	Kingston Technology 1TB NV3 M.2 2230 NVMe Internal SSD	Samsung PM991a NVMe M.2 512GB capacity
Memory Capacity	1 TB
Flash Memory Specifications	3D NAND
Sequential Read Speed	6000 MB/s	3100 megabytes per second (mb/s)
Sequential Write Speed	4000 MB/s	1800 megabytes per second (mb/s)
Average Lifespan	320	-
Operating Temperature Range	0 - 70 °C	-
Size and Dimensions	2230 (22 x 30 mm) (30 * 22 * 2.3 mm)	-
Product Weight	2.8 g	-
Memory Connection Port	PCI Express 4.0
Storage Connection Details	Yes
Memory Usage Type	Internal	Internal
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
LED Status Indicator	-	false

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Compare Kingston 7.68TB DC3000ME U.2 PCIe 5.0 NVMe Enterprise SSDwith Samsung PM991a NVMe M.2 512GB capacity

Kingston VS Samsung

Feature	Kingston 7.68TB DC3000ME U.2 PCIe 5.0 NVMe Enterprise SSD	Samsung PM991a NVMe M.2 512GB capacity
Encryption Technology	Yes	-
Memory Capacity	7.68 TB
Flash Memory Specifications	3D eTLC
Sequential Read Speed	14000 MB/s	3100 megabytes per second (mb/s)
Sequential Write Speed	10000 MB/s	1800 megabytes per second (mb/s)
Random Read Speed	2800000 IOPS
Random Write Speed	500000 IOPS
Average Lifespan	2000000 h	-
Operating Temperature Range	0 - 70 °C	-
Size and Dimensions	U.2 (69.8 * 100.5 * 14.8 mm)	-
Product Weight	151.3 g	-
Memory Connection Port	PCI Express 5.0
Storage Connection Details	Yes
Memory Usage Type	Internal	Internal
Device Design and Dimensions	-
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 Samsung 870 QVO 1TB Internal SSD (MZ-77Q1T0)with Samsung PM991a NVMe M.2 512GB capacity

Samsung VS Samsung

Feature	Samsung 870 QVO 1TB Internal SSD (MZ-77Q1T0)	Samsung PM991a NVMe M.2 512GB capacity
Encryption Technology	Yes	-
S.M.A.R.T Support	true	false
TRIM Support	true	false
Memory Capacity	1 TB
Flash Memory Specifications	QLC
Sequential Read Speed	560 MB/s	3100 megabytes per second (mb/s)
Sequential Write Speed	530 MB/s	1800 megabytes per second (mb/s)
Random Read Speed	98000 IOPS
Random Write Speed	88000 IOPS
Average Lifespan	1500000 h	-
Operating Voltage	5 V	-
Operating Temperature Range	0 - 70 °C	-
Size and Dimensions	2.5" (69.8 * 100 * 6.8 mm)	-
Product Weight	46 g	-
Memory Connection Port	Serial ATA III
Memory Usage Type	Internal	Internal
Storage Connection Details	-
Device Design and Dimensions	-
DRAM Memory	-	false
NCQ Support	-	false
RAID Support	-	false
LED Status Indicator	-	false

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Compare Samsung 970 EVO Internal NVMe M.2 SSDwith Samsung PM991a NVMe M.2 512GB capacity

Samsung VS Samsung

Feature	Samsung 970 EVO Internal NVMe M.2 SSD	Samsung PM991a NVMe M.2 512GB capacity
Storage Connection Details	Yes
Memory Connection Port	PCI Express 3.0
Memory Usage Type	Internal	Internal
Encryption Technology	Yes	-
S.M.A.R.T Support	true	false
TRIM Support	true	false
Memory Capacity	1 TB
Flash Memory Specifications	V-NAND MLC
Sequential Read Speed	3400 MB/s	3100 megabytes per second (mb/s)
Sequential Write Speed	2500 MB/s	1800 megabytes per second (mb/s)
Average Lifespan	1500000 h	-
Operating Voltage	3.3 V	-
Operating Temperature Range	0 - 70 °C	-
Size and Dimensions	M.2 (80.2 * 22.1 * 2.38 mm)	-
Product Weight	8 g	-
Color Options	Black	-
Certifications and Approvals	RoHS	-
Device Design and Dimensions	-
Random Read Speed	-
Random Write Speed	-
DRAM Memory	-	false
NCQ Support	-	false
RAID Support	-	false
LED Status Indicator	-	false

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Compare Lenovo 4XB7A87526 Internal SSDwith Samsung PM991a NVMe M.2 512GB capacity

LENOVO VS Samsung

Feature	Lenovo 4XB7A87526 Internal SSD	Samsung PM991a NVMe M.2 512GB capacity
Memory Capacity	1.92 TB
Flash Memory Specifications	V-NAND TLC
Random Read Speed	97000 IOPS
Random Write Speed	31000 IOPS
Average Lifespan	2000000 h	-
Operating Temperature Range	0 - 70 °C	-
Size and Dimensions	2.5" (70 * 100 * 7 mm)	-
Product Weight	70 g	-
Memory Connection Port	Serial ATA III
Memory Usage Type	Internal	Internal
Encryption Technology	Yes	-
S.M.A.R.T Support	true	false
Storage Connection Details	-
Device Design and Dimensions	-
Sequential Read Speed	-	3100 megabytes per second (mb/s)
Sequential Write Speed	-	1800 megabytes per second (mb/s)
DRAM Memory	-	false
NCQ Support	-	false
TRIM Support	-	false
RAID Support	-	false
LED Status Indicator	-	false

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Compare Lenovo 4XB7A90875 Internal SSDwith Samsung PM991a NVMe M.2 512GB capacity

LENOVO VS Samsung

Feature	Lenovo 4XB7A90875 Internal SSD	Samsung PM991a NVMe M.2 512GB capacity
Memory Capacity	1.92 TB
Flash Memory Specifications	V-NAND TLC
Random Read Speed	82000 IOPS
Random Write Speed	28000 IOPS
Average Lifespan	2000000 h	-
Operating Temperature Range	0 - 70 °C	-
Size and Dimensions	2.5" (70 * 100 * 7 mm)	-
Memory Connection Port	Serial ATA III
Storage Connection Details	No
Memory Usage Type	Internal	Internal
S.M.A.R.T Support	true	false
Device Design and Dimensions	-
Sequential Read Speed	-	3100 megabytes per second (mb/s)
Sequential Write Speed	-	1800 megabytes per second (mb/s)
DRAM Memory	-	false
NCQ Support	-	false
TRIM Support	-	false
RAID Support	-	false
LED Status Indicator	-	false

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Compare Philips FM24SS120B/00 Internal SSDwith Samsung PM991a NVMe M.2 512GB capacity

PHILIPS VS Samsung

Feature	Philips FM24SS120B/00 Internal SSD	Samsung PM991a NVMe M.2 512GB capacity
Memory Capacity	240 GB
Sequential Read Speed	450 MB/s	3100 megabytes per second (mb/s)
Sequential Write Speed	360 MB/s	1800 megabytes per second (mb/s)
Operating Voltage	5 V	-
Size and Dimensions	2.5" (100 * 7 * 70 mm)	-
Product Weight	38.2 g	-
Memory Connection Port	Serial ATA III
Memory Usage Type	Internal	Internal
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 Samsung 860 EVO Internal SATA SSDwith Samsung PM991a NVMe M.2 512GB capacity

Samsung VS Samsung

Feature	Samsung 860 EVO Internal SATA SSD	Samsung PM991a NVMe M.2 512GB capacity
Encryption Technology	Yes	-
S.M.A.R.T Support	true	false
TRIM Support	true	false
Memory Capacity	250 GB
Flash Memory Specifications	V-NAND MLC
Sequential Read Speed	550 MB/s	3100 megabytes per second (mb/s)
Sequential Write Speed	520 MB/s	1800 megabytes per second (mb/s)
Average Lifespan	1500000 h	-
Operating Temperature Range	0 - 70 °C	-
Size and Dimensions	M.2 (80.2 * 22.1 * 2.38 mm)	-
Product Weight	8 g	-
Memory Connection Port	Serial ATA III
Memory Usage Type	Internal	Internal
Storage Connection Details	-
Device Design and Dimensions	-
Random Read Speed	-
Random Write Speed	-
DRAM Memory	-	false
NCQ Support	-	false
RAID Support	-	false
LED Status Indicator	-	false

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Compare HP Z Turbo 4TB M.2 PCIe-4x4 SED OPAL2 TLC Z4/Z6 Kit SSDwith Samsung PM991a NVMe M.2 512GB capacity

HP VS Samsung

Feature	HP Z Turbo 4TB M.2 PCIe-4x4 SED OPAL2 TLC Z4/Z6 Kit SSD	Samsung PM991a NVMe M.2 512GB capacity
Product Weight	164 g	-
Size and Dimensions	82 * 30 * 12 mm	-
Box Contents	Z Turbo 4TB 2280 PCIe-4x4 SED OPAL2 TLC M.2 Z4/Z6 Kit SSD, heatsink, install guide, warranty card, product notices	-
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)
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 HP Z Turbo 512GB PCIe-4x4 TLC Z4/Z6 Kit Internal SSDwith Samsung PM991a NVMe M.2 512GB capacity

HP VS Samsung

Feature	HP Z Turbo 512GB PCIe-4x4 TLC Z4/Z6 Kit Internal SSD	Samsung PM991a NVMe M.2 512GB capacity
Product Weight	34.4 g	-
Size and Dimensions	82 * 30 * 12 mm	-
Box Contents	HP Z Turbo 512GB PCIe-4x4 Z4/Z6 SSD, heatsink, install guide, warranty card, product notices	-
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)
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 Samsung 860 EVO Internal SATA SSDwith Samsung PM991a NVMe M.2 512GB capacity

Samsung VS Samsung

Feature	Samsung 860 EVO Internal SATA SSD	Samsung PM991a NVMe M.2 512GB capacity
Encryption Technology	Yes	-
S.M.A.R.T Support	true	false
TRIM Support	true	false
Memory Capacity	250 GB
Flash Memory Specifications	V-NAND MLC
Sequential Read Speed	550 MB/s	3100 megabytes per second (mb/s)
Sequential Write Speed	520 MB/s	1800 megabytes per second (mb/s)
Average Lifespan	1500000 h	-
Operating Temperature Range	0 - 70 °C	-
Size and Dimensions	M.2 (80.2 * 22.1 * 2.38 mm)	-
Product Weight	8 g	-
Memory Connection Port	Serial ATA III
Memory Usage Type	Internal	Internal
Storage Connection Details	-
Device Design and Dimensions	-
Random Read Speed	-
Random Write Speed	-
DRAM Memory	-	false
NCQ Support	-	false
RAID Support	-	false
LED Status Indicator	-	false

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