Compare Solid State Drives

Compare Crucial M550 128GB vs Plextor M6S 128GB

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  2. Solid State Drives
  3. Crucial M550 128GB 🆚 Plextor M6S 128GB
Crucial M550 128GB and Plextor M6S 128GB are both solid state drives with the same Performance, Capacity (128 GB) and Interface (SATA 6 Gb/s). The main differences are in SSD Controller and NAND Flash Type.
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Crucial M550 128GB 2.5" SATA3 CT128M550SSD1
Crucial M550 128GB
Plextor M6S 128GB 2.5" SATA3 PX-128M6S
Plextor M6S 128GB
Prices
(Change region)
Out of Stock
Free shipping
$99.41
-
Buy now
Prices
(Change region)
Out of Stock
Free shipping
$82.86
-
Buy now
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Pangoly Score (How do we rate?)
88
Pangoly Score (How do we rate?)
85
Brand
Crucial
Brand
Plextor
Model
CT128M550SSD1
Model
PX-128M6S
Release Date
📅 March 2014
Release Date
📅 April 2014
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
★★★★★
(152 reviews)
User reviews
★★★★★
(13 reviews)
Performance (Charts)
276th / 1746
(0%)
Performance (Charts)
276th / 1746
(0%)
Effective Value
227th / 336
Effective Value
214th / 336
Price history
View Details ►
Price history
View Details ►
Price/GB
$0.78
Price/GB
$0.65
GB/$1
1.29
GB/$1
1.54
Pros
  • Strong performance
  • Good upgrade over the M500
  • Marvell 88SS9189 controller
Pros
  • Marvell 88SS9188 controller
  • Solid performance
Cons
  • The 128GB version has limited writing speed
Cons
  • Not as fast as other high-end drives
Series
M550
Series
-
Capacity
128 GB
Capacity
128 GB
Interface
SATA 6 Gb/s
Interface
SATA 6 Gb/s
NVME
No
NVME
No
Form Factor
2.5"
Form Factor
2.5"
SSD Controller
Marvell 9189
SSD Controller
Marvell 9188
NAND Flash Type
MLC
NAND Flash Type
MLC (toggle)
Max Sequential Read
Up to 550 MB/s
Max Sequential Read
-
Max Sequential Write
Up to 350 MB/s
Max Sequential Write
-
MTBF
1,500,000 hours
MTBF
-
-

Comparison and key differences summary

Reasons to buy the Crucial M550 128GB:

Buy now

Reasons to buy the Plextor M6S 128GB:

  • 17% cheaper, you can save $16.55
  • Slightly better effective value.

Buy now

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