Compare Solid State Drives

Compare Crucial M550 128GB vs Plextor M6e 128GB

Crucial M550 128GB and Plextor M6e 128GB are both solid state drives with the same Capacity (128 GB). The main differences are in Performance (+28%), Interface, Form Factor and SSD Controller.

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Crucial M550 128GB

Plextor M6e 128GB

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Pangoly Score (How do we rate?)

88

Pangoly Score (How do we rate?)

91

Brand

Crucial

Brand

Plextor

Model

CT128M550SSD1

Model

PX-AG128M6e

Release Date

📅 March 2014

Release Date

📅 May 2014

* First availability for purchase, it may not correspond to the actual market launch date.

User reviews

★★★★★

(152 reviews)

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User reviews

★★★★★

(8 reviews)

Add a product review

Performance (Charts)

276th / 1746

(-28%)

Performance (Charts)

196th / 1746

(0%)

Effective Value

227th / 336

Effective Value

-

Price history

View Details ►

Price history

View Details ►

Price/GB

$0.78

Price/GB

-

GB/$1

1.29

GB/$1

-

Pros

Strong performance
Good upgrade over the M500
Marvell 88SS9189 controller

Pros

Amazing performance, over the SATA 3 bottleneck
Marvell controller

Cons

The 128GB version has limited writing speed

Cons

Price is higher than SATA 3 drives, but still reasonable
The 128GB version has limited write speed

Series

M550

Series

M6e

Capacity

128 GB

Capacity

128 GB

Interface

SATA 6 Gb/s

Interface

PCIe Gen2 x2

NVME

No

NVME

No

Form Factor

2.5"

Form Factor

PCIe

SSD Controller

Marvell 9189

SSD Controller

Marvell 9183

NAND Flash Type

MLC

NAND Flash Type

MLC (toggle)

Max Sequential Read

Up to 550 MB/s

Max Sequential Read

Up to 770 MB/s

Max Sequential Write

Up to 350 MB/s

Max Sequential Write

Up to 335 MB/s

MTBF

1,500,000 hours

MTBF

-

Options (2)

	256 GB $178.14
	512 GB $199.99

Comparison and key differences summary

Reasons to buy the Crucial M550 128GB:

Reasons to buy the Plextor M6e 128GB:

Better Pangoly Score. (How do we rate?)
Moderately better performance, around +28%
Newer interface (PCIe Gen2 x2)

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