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

Sustainability

Manufacturer commitment
RE100

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
    0.2 %
  • 3.WaveShare
    0.3 %
  • 4.Samsung
    0.4 %
  • 5.MSI
    0.5 %
  • 5.SANDISK
    0.5 %

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.Kioxia
    2 days
  • 9.PNY
    2 days
  • 9.Samsung
    2 days
  • 9.SANDISK
    2 days
  • 9.Synology
    2 days

Return rate

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

Source: Digitec Galaxus
  • 8.Adata
    2 %
  • 8.MSI
    2 %
  • 8.Samsung
    2 %
  • 11.Emtec
    2.1 %
  • 12.WD
    2.3 %
Source: Digitec Galaxus