Compare Solid State Drives

Compare Samsung 840 PRO 128GB vs PM961 Polaris 128GB M.2

Samsung 840 PRO 128GB and Samsung PM961 Polaris 128GB M.2 are both solid state drives with the same Capacity (128 GB). The main differences are in Performance (+83%), Interface, NVME and Form Factor.

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Samsung 840 PRO 128GB

Samsung PM961 Polaris 128GB M.2

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Prices
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Pangoly Score (How do we rate?)

92

Pangoly Score (How do we rate?)

-

Brand

Samsung

Brand

Samsung

Model

MZ-7PD128BW

Model

MZVLW128HEGR-00000

Release Date

📅 October 2012

Release Date

📅 July 2018

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

User reviews

★★★★★

(235 reviews)

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User reviews

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Performance (Charts)

258th / 1746

(-83%)

Performance (Charts)

153rd / 1746

(0%)

Effective Value

261st / 336

Effective Value

-

Price history

View Details ►

Price history

View Details ►

Price/GB

$1.17

Price/GB

-

GB/$1

0.85

GB/$1

-

Pros

Great performance
Samsung MDX controller

Pros

-

Series

840 Pro Series

Series

-

Capacity

128 GB

Capacity

128 GB

Interface

SATA 6 Gb/s

Interface

PCIe Gen3 x4

NVME

No

NVME

Yes

Form Factor

2.5"

Form Factor

M.2-2280

SSD Controller

Samsung MDX

SSD Controller

-

NAND Flash Type

MLC

NAND Flash Type

-

MTBF

1,500,000 hours

MTBF

-

Options (1)

Samsung 840 PRO 512GB

512 GB
$299.99

Options (1)

Samsung PM961 256GB

256GB

Comparison and key differences summary

Reasons to buy the Samsung 840 PRO 128GB:

Reasons to buy the Samsung PM961 Polaris 128GB M.2:

Hugely better performance, around +83%
Newer Product, it was released around 6 years later
Newer interface (PCIe Gen3 x4)

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