Compare Solid State Drives

Compare Plextor M8Pe 512GB M.2 PX-512M8PeGN vs SANDISK Optimus 5100 1TB

Plextor M8Pe 512GB M.2 PX-512M8PeGN and SANDISK Optimus 5100 1TB are both solid state drives with the same Form Factor (M.2-2280). The main differences are in Capacity and Interface.

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Plextor M8Pe 512GB M.2 PX-512M8PeGN

SANDISK Optimus 5100 1TB

Prices
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-

Prices
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Brand

Plextor

Brand

SanDisk

Model

PX-512M8PeGN

Model

SDSP51100TAN-000E0
SDSP51100TAN

Release Date

-

Release Date

📅 February 2026

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

User reviews

★★★★☆

(94 reviews)

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User reviews

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Performance (Charts)

147th / 1746

Performance (Charts)

n/a

Effective Value

-

Effective Value

-

Price history

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Price history

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Price/GB

-

Price/GB

$0.30

GB/$1

-

GB/$1

3.37

Series

M8PeGN

Series

-

Capacity

512 GB

Capacity

1000 GB

Interface

PCIe Gen3 x4

Interface

PCIe Gen4 x4

NVME

Yes

NVME

Yes

Form Factor

M.2-2280

Form Factor

M.2-2280

SSD Controller

Marvell 1093

SSD Controller

-

Cache

512MB

Cache

-

Max Sequential Read

Up to 2300 MB/s

Max Sequential Read

-

Max Sequential Write

Up to 1300 MB/s

Max Sequential Write

-

MTBF

2,400,000 hours

MTBF

-

Options (4)

	1T M.2
	256G M.2
	256G M.2 with HeatSink $251.07
	512G M.2 with HeatSink $249.72

-

Comparison and key differences summary

Reasons to buy the Plextor M8Pe 512GB M.2 PX-512M8PeGN:

Reasons to buy the SANDISK Optimus 5100 1TB:

More Capacity (+488 GB available)
Newer interface (PCIe Gen4 x4)

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