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Compare SanDisk X400 M.2 128GB vs Optimus GX 7100M 2TB

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  2. Solid State Drives
  3. SanDisk X400 M.2 128GB 🆚 SANDISK Optimus GX 7100M 2TB
The main differences between SanDisk X400 M.2 128GB and SANDISK Optimus GX 7100M 2TB are in Capacity, Interface, NVME and Form Factor.
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SanDisk X400 M.2 128GB SD8SN8U-128G-1122
SanDisk X400 M.2 128GB
SANDISK Optimus GX 7100M 2TB NVMe PCIe Gen4 x4 M.2-2230 SDSP71200TAT-000E0
SANDISK Optimus GX 7100M 2TB
Prices
(Change region)
Out of Stock
Free shipping
$41.70
-
Buy now
Prices
(Change region)
In Stock
Free shipping
$599.99
In Stock
$708.92
Last updated 57 minutes ago.
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* Product prices and availability are subject to change frequently. Any price and availability information displayed on Amazon at the time of purchase will apply.
Brand
SanDisk
Brand
SanDisk
Model
SD8SN8U-128G-1122
Model
  • SDSP71200TAT-000E0
  • SDSP71200TAT
Release Date
-
Release Date
📅 February 2026
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
★★★★☆
(83 reviews)
User reviews
Price history
View Details ►
Price history
View Details ►
Price/GB
$0.33
Price/GB
$0.30
GB/$1
3.07
GB/$1
3.33
Series
X400
Series
-
Capacity
128 GB
Capacity
2000 GB
Interface
SATA 6 Gb/s
Interface
PCIe Gen4 x4
NVME
No
NVME
Yes
Form Factor
M.2-2280
Form Factor
M.2-2230
Max Sequential Read
Up to 540 MB/s
Max Sequential Read
-
Max Sequential Write
Up to 340 MB/s
Max Sequential Write
-
-

Comparison and key differences summary

Reasons to buy the SanDisk X400 M.2 128GB:

  • 93% cheaper, you can save $558.29

Buy now

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

  • More Capacity (+1872 GB available)
  • Newer interface (PCIe Gen4 x4)

Buy now

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