Samsung PM991a

256 GB, M.2 2280
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Product details

The PM991a offers remarkable design flexibility through a Ball Grid Array (BGA) package. By combining energy-efficient compactness with enhanced robust performance, the PM991a is a top-tier storage solution for slimmer laptops, delivering high performance in a tiny package.

Key specifications

Interface version
PCIe 3.0
Protocol
NVMe
Read transfer speed
3100 MB/s
Write transfer speed
1300 MB/s
Max. random 4K read
220000 IOPS
Max. random 4K write
300000 IOPS

General information

Item number
15644258
Manufacturer
Samsung
Category
SSD
Manufacturer no.
MZVLQ256HBJD-00B00
Release date
21.4.2021

Data storage properties

SSD type
M.2 SSD
Form factor
M.2 2280
Storage capacity
256 GB
Interface version
PCIe 3.0
Protocol
NVMe
Read transfer speed
3100 MB/s
Write transfer speed
1300 MB/s
Memory type (NAND)
TLC
Max. random 4K read
220000 IOPS
Max. random 4K write
300000 IOPS
Max. TBW
150 TB

Package dimensions

Length
10 cm
Width
3.10 cm
Height
1 cm
Weight
14 g

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «SSD» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 2.Synology
    0.3 %
  • 2.WaveShare
    0.3 %
  • 4.Samsung
    0.4 %
  • 5.SANDISK
    0.5 %
  • 6.Dell
    0.6 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • 9.WD
    2 days
  • 14.Lexar
    3 days
  • 14.Samsung
    3 days
  • 14.SANDISK
    3 days
  • 14.Synology
    3 days

Return rate

How often is a product of this brand in the «SSD» category returned?

Source: Digitec Galaxus
  • 8.Adata
    1.9 %
  • 8.Kingston
    1.9 %
  • 8.Samsung
    1.9 %
  • 11.WD
    2.2 %
  • 12.Raspberry Pi
    2.3 %
Source: Digitec Galaxus