PM991 1TB M.2 NVMe PCIe 3.0 SSD (OEM) Discontinued
PM991 512GB M.2 NVMe PCIe 3.0 SSD (OEM) Discontinued
PM991 256GB M.2 NVMe PCIe 3.0 SSD (OEM) Discontinued
More variations available Show

Samsung PM991 M.2 NVMe PCIe 3.0 SSDs

Replaces the Samsung PM961 Polaris NVMe M.2 Solid State Drives

The PM991 M.2 drives from Samsung give reasonable M.2 speeds at a very appealing price.

Features

Cost effective M.2 drive
PCIe Gen3 x4 interface
Offers sequential read and write speeds of up to 2300 and 1350 MB/s
Available in 128, 256, 512GB and 1TB

Samsung’s PM991 offers remarkable design flexibility through Ball Grid Array (BGA) packaging. Combining power-efficient compactness and boosted robust performance, the PM991 is a first-rate storage solution for any situation, providing high performance in a tiny package.

Show specifications and reviews for:

Specifications	PM991 1TB	PM991 256GB	PM991 512GB
Model Number	MZVLQ1T0HALB-00000	MZVLQ256HAJD-00000	MZVLQ512HALU-00000
Usage Application	Client PCs (Ultra-thin PCs compatible)	Client PCs (Ultra-thin PCs compatible)	Client PCs (Ultra-thin PCs compatible)
Capacity	128GB	256GB	512GB
Interface	PCIe Gen3 x4	PCIe Gen3 x4	PCIe Gen3 x4
Form Factor	M.2	M.2	M.2
Key ID Type	M (PCIe ×4 and SATA)	M (PCIe ×4 and SATA)	M (PCIe ×4 and SATA)
Sequential Read	2300 MB/s Max	2050 MB/s Max	2200 MB/s Max
Sequential Write	1350 MB/s Max	1000 MB/s Max	1200 MB/s Max
4KB Random Read	180,000 IOPS Max	64,000 IOPS Max	120,000 IOPS Max
4KB Random Write	260,000 IOPS Max	220,000 IOPS Max	240,000 IOPS Max
Weight	Max. 10g	Max. 10g	Max. 10g
Reliability	MTBF 1.5 million hours	MTBF 1.5 million hours	MTBF 1.5 million hours
Temperature	Operating 0°C to 70°C Non-Operating -40°C to 85°C	Operating 0°C to 70°C Non-Operating -40°C to 85°C	Operating 0°C to 70°C Non-Operating -40°C to 85°C
Humidity	5% to 95%, non-condensing	5% to 95%, non-condensing	5% to 95%, non-condensing
Vibration	Non-Operating 10~2000Hz, 20G	Non-Operating 10~2000Hz, 20G	Non-Operating 10~2000Hz, 20G
Warranty	24 months	24 months	24 months

Specifications	PM991 1TB	PM991 256GB	PM991 512GB
Model Number	MZVLQ1T0HALB-00000	MZVLQ256HAJD-00000	MZVLQ512HALU-00000
Usage Application	Client PCs (Ultra-thin PCs compatible)
Capacity	128GB	256GB	512GB
Interface	PCIe Gen3 x4
Form Factor	M.2
Key ID Type	M (PCIe ×4 and SATA)
Sequential Read	2300 MB/s Max	2050 MB/s Max	2200 MB/s Max
Sequential Write	1350 MB/s Max	1000 MB/s Max	1200 MB/s Max
4KB Random Read	180,000 IOPS Max	64,000 IOPS Max	120,000 IOPS Max
4KB Random Write	260,000 IOPS Max	220,000 IOPS Max	240,000 IOPS Max
Weight	Max. 10g
Reliability	MTBF 1.5 million hours
Temperature	Operating 0°C to 70°C Non-Operating -40°C to 85°C
Humidity	5% to 95%, non-condensing
Vibration	Non-Operating 10~2000Hz, 20G
Warranty	24 months