Compare Solid State Drives

Compare Crucial M550 128GB vs XPG SX850 128GB

Crucial M550 128GB and XPG SX850 128GB are both solid state drives with the same Capacity (128 GB), Interface (SATA 6 Gb/s) and Form Factor (2.5"). The main differences are in SSD Controller, Max Sequential Read, Max Sequential Write and MTBF.

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Crucial M550 128GB

XPG SX850 128GB

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Pangoly Score (How do we rate?)

88

Pangoly Score (How do we rate?)

-

Brand

Crucial

Brand

XPG

Model

CT128M550SSD1

Model

SSD-SX850-128G

Release Date

📅 March 2014

Release Date

-

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

User reviews

★★★★★

(152 reviews)

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User reviews

★★★★☆

(25 reviews)

Add a product review

Performance (Charts)

276th / 1746

Performance (Charts)

n/a

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

-

Cons

The 128GB version has limited writing speed

Cons

-

Series

M550

Series

SX850

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

Silicon Motion

NAND Flash Type

MLC

NAND Flash Type

-

Max Sequential Read

Up to 550 MB/s

Max Sequential Read

ATTO: Up to 560 MB/s
Crystal Disk Mark: Up to 550 MB/s

Max Sequential Write

Up to 350 MB/s

Max Sequential Write

ATTO: Up to 300 MB/s
Crystal Disk Mark: Up to 300 MB/s

MTBF

1,500,000 hours

MTBF

2,000,000 hours

Options (2)

	256 GB $178.14
	512 GB $199.99

Options (2)

	128 GB PCIe M.2 3x4
	256 GB 2.5 Inch

Comparison and key differences summary

Reasons to buy the Crucial M550 128GB:

Reasons to buy the XPG SX850 128GB:

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