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Compare SANDISK Optimus GX 7100M 2TB vs XPG S40G 512GB

The main differences between SANDISK Optimus GX 7100M 2TB and XPG S40G 512GB are in Capacity, Interface and Form Factor.
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$708.92
Last updated 51 minutes ago.
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Brand
SanDisk
Brand
XPG
Model
  • SDSP71200TAT-000E0
  • SDSP71200TAT
Model
AS40G-512GT-C
Release Date
📅 February 2026
Release Date
📅 November 2019
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
★★★☆☆
(7 reviews)
Price history
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Price history
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Price/GB
$0.30
Price/GB
$0.09
GB/$1
3.33
GB/$1
11.38
Series
-
Series
SPECTRIX S40G RGB
Capacity
2000 GB
Capacity
512 GB
Interface
PCIe Gen4 x4
Interface
PCIe Gen3 x4
NVME
Yes
NVME
Yes
Form Factor
M.2-2230
Form Factor
M.2-2280
NAND Flash Type
-
NAND Flash Type
3D TLC
Max Sequential Read
-
Max Sequential Read
ATTO: Up to 3500 MB/s
CDM: Up to 3500 MB/s
AS SSD: Up to 2950 MB/s
Max Sequential Write
-
Max Sequential Write
ATTO: Up to 1900 MB/s
CDM: Up to 2400 MB/s
AS SSD: Up to 1600 MB/s
MTBF
-
MTBF
2,000,000 hours
XPG S40G 1TB 1TB
$79.99
XPG S40G 256GB 256GB
$45.99
ADATA SPECTTRIX 2TB 2TB
$189.99
XPG S40G 4TB 4 TB
$566.36

Comparison and key differences summary

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

  • Newer Product, it was released around 6 years later
  • More Capacity (+1488 GB available)
  • Newer interface (PCIe Gen4 x4)

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Reasons to buy the XPG S40G 512GB:

  • 93% cheaper, you can save $555.00

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