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WD Blue 1TB M.2 vs WD Blue 1TB Internal SSD vs Plextor M6e 128GB vs Crucial M550 256GB

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Pangoly Score (How do we rate?)
-
Pangoly Score (How do we rate?)
-
Pangoly Score (How do we rate?)
91
Pangoly Score (How do we rate?)
89
Brand
Western Digital
Brand
Western Digital
Brand
Plextor
Brand
Crucial
Model
WDS100T1B0B
Model
WDS100T1B0A
Model
PX-AG128M6e
Model
CT256M550SSD1
Release Date
📅 August 2018
Release Date
📅 April 2020
Release Date
📅 May 2014
Release Date
📅 March 2014
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
★★★★★
(290 reviews)
User reviews
★★★★★
(290 reviews)
User reviews
★★★★★
(8 reviews)
User reviews
★★★★★
(152 reviews)
Performance (Charts)
274th / 1318
Performance (Charts)
249th / 1318
Performance (Charts)
173rd / 1318
Performance (Charts)
229th / 1318
Effective Value
245th / 303
Effective Value
209th / 303
Effective Value
-
Effective Value
248th / 303
Price history
View Details ►
Price history
View Details ►
Price history
View Details ►
Price history
View Details ►
Price/GB
$0.15
Price/GB
$0.10
Price/GB
-
Price/GB
$0.70
GB/$1
6.71
GB/$1
9.52
GB/$1
-
GB/$1
1.44
Pros
-
Pros
-
Pros
  • Amazing performance, over the SATA 3 bottleneck
  • Marvell controller
Pros
  • Strong performance
  • Good upgrade over the M500
  • Marvell 88SS9189 controller
Cons
-
Cons
-
Cons
  • Price is higher than SATA 3 drives, but still reasonable
  • The 128GB version has limited write speed
Cons
  • Not as fast as some high-end drives
Series
Blue
Series
Blue
Series
M6e
Series
M550
Capacity
1000 GB
Capacity
1000 GB
Capacity
128 GB
Capacity
256 GB
Interface
SATA 6 Gb/s
Interface
SATA 6 Gb/s
Interface
PCIe Gen2 x2
Interface
SATA 6 Gb/s
NVME
No
NVME
No
NVME
No
NVME
No
Form Factor
M.2-2280
Form Factor
2.5"
Form Factor
PCIe
Form Factor
2.5"
SSD Controller
-
SSD Controller
Marvell 1074
SSD Controller
Marvell 9183
SSD Controller
Marvell 9189
NAND Flash Type
-
NAND Flash Type
2D NAND
NAND Flash Type
MLC (toggle)
NAND Flash Type
MLC
Max Sequential Read
Up to 545 MB/s
Max Sequential Read
Up to 545 MB/s
Max Sequential Read
Up to 770 MB/s
Max Sequential Read
Up to 550 MB/s
Max Sequential Write
Up to 525 MB/s
Max Sequential Write
Up to 525 MB/s
Max Sequential Write
Up to 335 MB/s
Max Sequential Write
Up to 500 MB/s
MTBF
-
MTBF
1,750,000 hours
MTBF
-
MTBF
1,500,000 hours

What are the differences between WD Blue 1TB M.2 and WD Blue 1TB Internal SSD and Plextor M6e 128GB and Crucial M550 256GB? Analyze head-to-head all specifications and features to find out the better ssd.
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