Compare Solid State Drives

Compare SANDISK Optimus GX 7100M 2TB vs X400 M.2 256GB

The main differences between SANDISK Optimus GX 7100M 2TB and SanDisk X400 M.2 256GB are in Capacity, Interface, NVME and Form Factor.

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SANDISK Optimus GX 7100M 2TB

SanDisk X400 M.2 256GB

Prices
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In Stock

Last updated 30 minutes ago.

Prices
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In Stock

Free shipping

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Brand

SanDisk

Brand

SanDisk

Model

SDSP71200TAT-000E0
SDSP71200TAT

Model

SD8SN8U-256G-1122

Release Date

📅 February 2026

Release Date

📅 November 2020

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

User reviews

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User reviews

★★★★☆

(83 reviews)

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Price history

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Price history

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Price/GB

$0.30

Price/GB

$0.39

GB/$1

3.33

GB/$1

2.56

Series

-

Series

X400

Capacity

2000 GB

Capacity

256 GB

Interface

PCIe Gen4 x4

Interface

SATA 6 Gb/s

NVME

Yes

NVME

No

Form Factor

M.2-2230

Form Factor

M.2-2280

NAND Flash Type

-

NAND Flash Type

TLC

Max Sequential Read

-

Max Sequential Read

Up to 540 MB/s

Max Sequential Write

-

Max Sequential Write

Up to 520 MB/s

MTBF

-

MTBF

Up to 1.75M hours

Options (1)

SANDISK Optimus GX 7100M 1TB

1TB
$299.99

-

Comparison and key differences summary

Reasons to buy the SANDISK Optimus GX 7100M 2TB:

Newer Product, it was released around 5 years later
More Capacity (+1744 GB available)
Newer interface (PCIe Gen4 x4)

Reasons to buy the SanDisk X400 M.2 256GB:

83% cheaper, you can save $500.00

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