Compare Samsung Pm991 Nvme M2 256Gb

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Compare Samsung Pm991 Nvme M2 256Gbwith Samsung 990 EVO Plus 1TB M.2 NVMe SSD

Feature	Samsung Pm991 Nvme M2 256Gb	Samsung 990 EVO Plus 1TB M.2 NVMe SSD
Memory Usage Type	Internal	NAND Flash
Memory Connection Port		M.2 2280
Storage Connection Details		PCIe Gen 4x4 / PCIe Gen 5x2
Device Design and Dimensions		M.2 2280 Form Factor
Memory Capacity		1TB
Sequential Read Speed	2050 megabytes per second (mb/s)	7150 MB/s
Sequential Write Speed	1000 megabytes per second (mb/s)	-
Random Read Speed		-
Random Write Speed		-
DRAM Memory	false	-
Operating Voltage		-
NCQ Support	false	-
TRIM Support	false	-
RAID Support	false	-
S.M.A.R.T Support	false	-
LED Status Indicator	false	-
Connection Type	-	NVMe
Flash Memory Specifications	-	Latest NAND
Controller	-	Nickel-coated controller
Compatible Operating Systems	-	PC, Laptops
Additional Features	-	HMB Technology, Intelligent Turbowrite 2.0
Encryption Technology	-	Supported
Size and Dimensions	-	M.2 2280
Box Contents	-	SSD (MZ-V9S1T0B/AM)
Power Consumption	-	Efficient

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Compare Samsung Pm991 Nvme M2 256Gbwith Samsung 990 PRO 1TB SSD M.2 NVMe PCIe 4.0

Samsung VS Samsung

Feature	Samsung Pm991 Nvme M2 256Gb	Samsung 990 PRO 1TB SSD M.2 NVMe PCIe 4.0
Memory Usage Type	Internal	Internal SSD
Memory Connection Port		M.2 2280
Storage Connection Details		PCIe 4.0 x4 NVMe
Device Design and Dimensions		M.2 2280 Form Factor
Memory Capacity		1TB
Sequential Read Speed	2050 megabytes per second (mb/s)	Up to 7,450 MB/s
Sequential Write Speed	1000 megabytes per second (mb/s)	Up to 6,900 MB/s
Random Read Speed		Up to 1,400K IOPS
Random Write Speed		Up to 1,550K IOPS
DRAM Memory	false	Yes
Operating Voltage		-
NCQ Support	false	Yes
TRIM Support	false	Yes
RAID Support	false	-
S.M.A.R.T Support	false	Yes
LED Status Indicator	false	-
Connection Type	-	M.2 NVMe PCIe 4.0
Operating Temperature Range	-	0°C to 70°C
Flash Memory Specifications	-	Samsung V-NAND
Controller	-	Samsung Elpis Controller
Average Lifespan	-	N/A (TBW not specified in raw features)
Compatible Operating Systems	-	Windows, macOS, Linux (with NVMe support)
Additional Features	-	Samsung Magician Software, Smart Thermal Control, PS5 Compatible
Encryption Technology	-	AES 256-bit Encryption
Color Options	-	Black
Size and Dimensions	-	M.2 2280 (80mm x 22mm x 2.38mm)
Product Weight	-	Approx. 8.0g
Box Contents	-	SSD, Installation Guide, Warranty Guide
Power Consumption	-	Improved performance per watt over 980 PRO

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Compare Samsung Pm991 Nvme M2 256Gbwith Crucial P310 NVMe SSD 1TB M.2

Samsung VS Crucial

Feature	Samsung Pm991 Nvme M2 256Gb	Crucial P310 NVMe SSD 1TB M.2
Memory Usage Type	Internal	Internal
Memory Connection Port		M.2
Storage Connection Details		NVMe PCIe Gen4 x4
Device Design and Dimensions		M.2 2280 Form Factor
Memory Capacity		-
Sequential Read Speed	2050 megabytes per second (mb/s)	Up to 7,100 MB/s
Sequential Write Speed	1000 megabytes per second (mb/s)	Up to 6,000 MB/s
Random Read Speed		-
Random Write Speed		-
DRAM Memory	false	-
Operating Voltage		-
NCQ Support	false	-
TRIM Support	false	-
RAID Support	false	-
S.M.A.R.T Support	false	-
LED Status Indicator	false	-
Connection Type	-	PCIe Gen4 NVMe
Flash Memory Specifications	-	Micron G8 NAND
Compatible Operating Systems	-	Windows, Laptops, Desktops, Select Handheld Gaming Consoles (ROG Ally X, Lenovo Legion Go, AYANEO Kun)
Additional Features	-	Acronis Data Recovery Software, Thermal control
Size and Dimensions	-	M.2 2280
Box Contents	-	Acronis Data Recovery Software license/key

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Compare Samsung Pm991 Nvme M2 256Gbwith Seagate Nytro 5350S Internal SSD

Samsung VS SEAGATE

Feature	Samsung Pm991 Nvme M2 256Gb	Seagate Nytro 5350S Internal SSD
Memory Usage Type	Internal	Internal
Memory Connection Port		PCI Express 4.0
Storage Connection Details		Yes
Device Design and Dimensions		-
Memory Capacity		15 TB
Sequential Read Speed	2050 megabytes per second (mb/s)	7400 MB/s
Sequential Write Speed	1000 megabytes per second (mb/s)	7200 MB/s
Random Read Speed		1700000 IOPS
Random Write Speed		195000 IOPS
DRAM Memory	false	-
Operating Voltage		12 V
NCQ Support	false	-
TRIM Support	false	-
RAID Support	false	-
S.M.A.R.T Support	false	-
LED Status Indicator	false	-
Flash Memory Specifications	-	3D eTLC
Average Lifespan	-	2500000 h
Operating Temperature Range	-	0 - 70 °C
Size and Dimensions	-	2.5" (70.1 * 100.4 * 14.9 mm)
Product Weight	-	205 g

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Compare GIGABYTE AORUS Gen4 7300 Internal SSDwith Samsung Pm991 Nvme M2 256Gb

GIGABYTE VS Samsung

Feature	GIGABYTE AORUS Gen4 7300 Internal SSD	Samsung Pm991 Nvme M2 256Gb
Storage Connection Details	Yes
Memory Connection Port	PCI Express 4.0
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	3D TLC NAND	-
Sequential Read Speed	7300 MB/s	2050 megabytes per second (mb/s)
Sequential Write Speed	6000 MB/s	1000 megabytes per second (mb/s)
Average Lifespan	700	-
Operating Temperature Range	0 - 70 °C	-
Size and Dimensions	2280 (22 x 80 mm) (22 * 80 * 2.3 mm)	-
Device Design and Dimensions	-
Random Read Speed	-
Random Write Speed	-
DRAM Memory	-	false
Operating Voltage	-
NCQ Support	-	false
RAID Support	-	false
LED Status Indicator	-	false

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Compare Lenovo 4XB1D04758 Internal SSDwith Samsung Pm991 Nvme M2 256Gb

LENOVO VS Samsung

Feature	Lenovo 4XB1D04758 Internal SSD	Samsung Pm991 Nvme M2 256Gb
Memory Capacity	2 TB
Operating Temperature Range	0 - 76 °C	-
Size and Dimensions	M.2 (80 * 22 * 2.38 mm)	-
Product Weight	9 g	-
Memory Connection Port	PCI Express 4.0
Storage Connection Details	Yes
Memory Usage Type	Internal	Internal
Device Design and Dimensions	-
Sequential Read Speed	-	2050 megabytes per second (mb/s)
Sequential Write Speed	-	1000 megabytes per second (mb/s)
Random Read Speed	-
Random Write Speed	-
DRAM Memory	-	false
Operating Voltage	-
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 Technology 2TB NV3 M.2 2230 NVMe Internal SSDwith Samsung Pm991 Nvme M2 256Gb

Kingston VS Samsung

Feature	Kingston Technology 2TB NV3 M.2 2230 NVMe Internal SSD	Samsung Pm991 Nvme M2 256Gb
Memory Capacity	2 TB
Flash Memory Specifications	3D NAND	-
Sequential Read Speed	6000 MB/s	2050 megabytes per second (mb/s)
Sequential Write Speed	5000 MB/s	1000 megabytes per second (mb/s)
Average Lifespan	640	-
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
Operating Voltage	-
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 Lenovo 4XB7A87526 Internal SSDwith Samsung Pm991 Nvme M2 256Gb

LENOVO VS Samsung

Feature	Lenovo 4XB7A87526 Internal SSD	Samsung Pm991 Nvme M2 256Gb
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	-	2050 megabytes per second (mb/s)
Sequential Write Speed	-	1000 megabytes per second (mb/s)
DRAM Memory	-	false
Operating Voltage	-
NCQ Support	-	false
TRIM Support	-	false
RAID Support	-	false
LED Status Indicator	-	false

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Compare Kingston DC600M 1920G 2.5" Enterprise Internal SATA SSD (Mixed-Use)with Samsung Pm991 Nvme M2 256Gb

Kingston VS Samsung

Feature	Kingston DC600M 1920G 2.5" Enterprise Internal SATA SSD (Mixed-Use)	Samsung Pm991 Nvme M2 256Gb
Memory Capacity	1.92 TB
Flash Memory Specifications	3D TLC NAND	-
Sequential Read Speed	560 MB/s	2050 megabytes per second (mb/s)
Sequential Write Speed	530 MB/s	1000 megabytes per second (mb/s)
Random Read Speed	94000 IOPS
Random Write Speed	78000 IOPS
Average Lifespan	3504	-
Operating Temperature Range	0 - 70 °C	-
Size and Dimensions	2.5" (69.8 * 100.1 * 7 mm)	-
Product Weight	69 g	-
Memory Connection Port	Serial ATA III
Memory Usage Type	Internal	Internal
Encryption Technology	No	-
Storage Connection Details	-
Device Design and Dimensions	-
DRAM Memory	-	false
Operating Voltage	-
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 Lenovo 4XB1L68661 Internal SSDwith Samsung Pm991 Nvme M2 256Gb

LENOVO VS Samsung

Feature	Lenovo 4XB1L68661 Internal SSD	Samsung Pm991 Nvme M2 256Gb
Memory Capacity	512 GB
Operating Temperature Range	0 - 80 °C	-
Size and Dimensions	2280 (22 x 80 mm) (80 * 22 * 2.38 mm)	-
Product Weight	6.5 g	-
Memory Connection Port	PCI Express 4.0
Storage Connection Details	Yes
Memory Usage Type	Internal	Internal
Device Design and Dimensions	-
Sequential Read Speed	-	2050 megabytes per second (mb/s)
Sequential Write Speed	-	1000 megabytes per second (mb/s)
Random Read Speed	-
Random Write Speed	-
DRAM Memory	-	false
Operating Voltage	-
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 Pm991 Nvme M2 256Gbwith WD_Black SN7100 2TB NVMe SSD

Samsung VS Sandisk

Feature	Samsung Pm991 Nvme M2 256Gb	WD_Black SN7100 2TB NVMe SSD
Memory Usage Type	Internal	Gaming; Laptop
Memory Connection Port		M.2
Storage Connection Details		PCIe Gen4 x4; NVMe
Device Design and Dimensions		M.2 2280 Form Factor
Memory Capacity		2TB
Sequential Read Speed	2050 megabytes per second (mb/s)	7,250 MB/s
Sequential Write Speed	1000 megabytes per second (mb/s)	6,900 MB/s
Random Read Speed		-
Random Write Speed		-
DRAM Memory	false	-
Operating Voltage		-
NCQ Support	false	-
TRIM Support	false	-
RAID Support	false	-
S.M.A.R.T Support	false	-
LED Status Indicator	false	-
Connection Type	-	M.2 NVMe PCIe Gen4
Flash Memory Specifications	-	TLC 3D NAND
Compatible Operating Systems	-	Windows (for Dashboard functionality)
Additional Features	-	WD_BLACK Dashboard software (Windows only); Up to 100% more power efficiency than previous generation; Up to 35% faster performance than previous generation
Size and Dimensions	-	M.2 2280

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Compare Lenovo 4XB7A90886 Internal SSDwith Samsung Pm991 Nvme M2 256Gb

LENOVO VS Samsung

Feature	Lenovo 4XB7A90886 Internal SSD	Samsung Pm991 Nvme M2 256Gb
Memory Capacity	1.92 TB
Flash Memory Specifications	V-NAND TLC	-
Random Read Speed	82000 IOPS
Random Write Speed	47500 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
Encryption Technology	No	-
S.M.A.R.T Support	true	false
Device Design and Dimensions	-
Sequential Read Speed	-	2050 megabytes per second (mb/s)
Sequential Write Speed	-	1000 megabytes per second (mb/s)
DRAM Memory	-	false
Operating Voltage	-
NCQ Support	-	false
TRIM Support	-	false
RAID Support	-	false
LED Status Indicator	-	false

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