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Compare SANDISK Optimus GX 7100 2TB vs XPG S40G 4TB

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  2. Solid State Drives
  3. SANDISK Optimus GX 7100 2TB 🆚 XPG S40G 4TB
SANDISK Optimus GX 7100 2TB and XPG S40G 4TB 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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SANDISK Optimus GX 7100 2TB NVMe SDSP71200TAN-000E0
SANDISK Optimus GX 7100 2TB
XPG S40G 4TB RGB PCIe Gen3x4 NVMe 1.3 M.2 2280 (AS40G-4TT-C)
XPG S40G 4TB
Prices
(Change region)
In Stock
$539.75
Last updated 1 minutes ago.
In Stock
$599.99
In Stock
Free shipping
$599.99
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Prices
(Change region)
In Stock
Free shipping
$566.36
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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
XPG
Model
  • SDSP71200TAN-000E0
  • SDSP71200TAN
Model
AS40G-4TT-C
Release Date
📅 February 2026
Release Date
📅 June 2020
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
★★★★☆
(49 reviews)
Price history
View Details ►
Price history
View Details ►
Price/GB
$0.27
Price/GB
$0.11
GB/$1
3.71
GB/$1
8.89
Series
-
Series
SPECTRIX S40G RGB
Capacity
2000 GB
Capacity
4000 GB
Interface
PCIe Gen4 x4
Interface
PCIe Gen3 x4
NVME
Yes
NVME
Yes
Form Factor
M.2-2280
Form Factor
M.2-2280
NAND Flash Type
-
NAND Flash Type
3D NAND
Max Sequential Read
-
Max Sequential Read
Up to 3500 MB/s
Max Sequential Write
-
Max Sequential Write
Up to 3000 MB/s
MTBF
-
MTBF
2,000,000 hours
SANDISK Optimus GX 7100 500GB 500GB
$159.99
SANDISK Optimus GX 7100 4TB 4TB
$1,199.99
SANDISK Optimus GX 7100 1TB 1TB
$299.99

Comparison and key differences summary

Reasons to buy the SANDISK Optimus GX 7100 2TB:

  • 5% cheaper, you can save $26.61
  • Newer Product, it was released around 6 years later
  • Newer interface (PCIe Gen4 x4)

Buy now

Reasons to buy the XPG S40G 4TB:

  • More Capacity (+2000 GB available)

Buy now

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