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Excellent
3,713 reviews at Trustpilot.3,713 reviews
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

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

Features

  1. Cost effective M.2 drive
  2. PCIe Gen3 x4 interface
  3. Offers sequential read and write speeds of up to 2300 and 1350 MB/s
  4. 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:
SpecificationsPM991 1TBPM991 256GBPM991 512GB
Model NumberMZVLQ1T0HALB-00000 MZVLQ256HAJD-00000 MZVLQ512HALU-00000
Usage ApplicationClient PCs (Ultra-thin PCs compatible) Client PCs (Ultra-thin PCs compatible) Client PCs (Ultra-thin PCs compatible)
Capacity128GB 256GB 512GB
InterfacePCIe Gen3 x4 PCIe Gen3 x4 PCIe Gen3 x4
Form FactorM.2 M.2 M.2
Key ID TypeM (PCIe ×4 and SATA) M (PCIe ×4 and SATA) M (PCIe ×4 and SATA)
Sequential Read2300 MB/s Max 2050 MB/s Max 2200 MB/s Max
Sequential Write1350 MB/s Max 1000 MB/s Max 1200 MB/s Max
4KB Random Read180,000 IOPS Max 64,000 IOPS Max 120,000 IOPS Max
4KB Random Write260,000 IOPS Max 220,000 IOPS Max 240,000 IOPS Max
WeightMax. 10g Max. 10g Max. 10g
ReliabilityMTBF 1.5 million hours MTBF 1.5 million hours MTBF 1.5 million hours
TemperatureOperating 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
Humidity5% 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
Warranty24 months 24 months 24 months
SpecificationsPM991 1TBPM991 256GBPM991 512GB
Model NumberMZVLQ1T0HALB-00000 MZVLQ256HAJD-00000 MZVLQ512HALU-00000
Usage ApplicationClient PCs (Ultra-thin PCs compatible)
Capacity128GB 256GB 512GB
InterfacePCIe Gen3 x4
Form FactorM.2
Key ID TypeM (PCIe ×4 and SATA)
Sequential Read2300 MB/s Max 2050 MB/s Max 2200 MB/s Max
Sequential Write1350 MB/s Max 1000 MB/s Max 1200 MB/s Max
4KB Random Read180,000 IOPS Max 64,000 IOPS Max 120,000 IOPS Max
4KB Random Write260,000 IOPS Max 220,000 IOPS Max 240,000 IOPS Max
WeightMax. 10g
ReliabilityMTBF 1.5 million hours
TemperatureOperating 0°C to 70°C Non-Operating -40°C to 85°C
Humidity5% to 95%, non-condensing
Vibration Non-Operating 10~2000Hz, 20G
Warranty24 months

Product Resources

Top M.2, SSD and Hard Drives

“Excellent products backed by absolutely outstanding customer service.”

“Some companies are a minefield to deal with. They hide how long things will take to deliver, they pretend they have stock when they don’t, they sell products that promise much and deliver little and should something go wrong you have to argue your case and hope someone takes pity on you. Quiet PC could not be more different. Stock levels are clear, with reliable ETAs and each of the carefully selected products is described in detail to enable an informed decision. Customer service both pre and post sale could not be better. Even though I’ve had few problems, each I’ve encountered, even when it was my fault, has been dealt with quickly and efficiently by the company’s excellent staff.

I wish I had more quiet PC work to do so that I could give Quiet PC.com more business!”

(Review via Trustpilot)