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Compare SANDISK Optimus GX 7100M 2TB vs Western Digital WD Blue SA510 4TB

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  2. Solid State Drives
  3. SANDISK Optimus GX 7100M 2TB 🆚 Western Digital WD Blue SA510 4TB
The main differences between SANDISK Optimus GX 7100M 2TB and Western Digital WD Blue SA510 4TB are in Capacity, Interface, NVME and Form Factor.
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SANDISK Optimus GX 7100M 2TB NVMe PCIe Gen4 x4 M.2-2230 SDSP71200TAT-000E0
SANDISK Optimus GX 7100M 2TB
Western Digital WD Blue SA510 4TB SATA Internal SSD SATA III 6 Gb/s WDS400T3B0A
Western Digital WD Blue SA510 4TB
Prices
(Change region)
In Stock
Free shipping
$599.99
In Stock
$708.92
Last updated 19 minutes ago.
Prices
(Change region)
In Stock
$749.99
Last updated 17 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
Western Digital
Model
  • SDSP71200TAT-000E0
  • SDSP71200TAT
Model
  • WDS400T3B0A
  • WDS400T3B0A-00C7K0
Release Date
📅 February 2026
Release Date
📅 March 2023
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
Price history
View Details ►
Price history
View Details ►
Price/GB
$0.30
Price/GB
$0.19
GB/$1
3.33
GB/$1
5.33
Capacity
2000 GB
Capacity
4000 GB
Interface
PCIe Gen4 x4
Interface
SATA 6 Gb/s
NVME
Yes
NVME
No
Form Factor
M.2-2230
Form Factor
2.5"
WD Blue SA510 1TB 1TB
$179.99
WD Blue SA510 250GB 250GB
$97.49
Western Digital WD Blue SA510 2TB 2TB
$279.99
WD Blue SA510 500GB 500GB
$184.95

Comparison and key differences summary

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

  • 20% cheaper, you can save $150.00
  • Newer Product, it was released around 3 years later
  • Newer interface (PCIe Gen4 x4)

Buy now

Reasons to buy the Western Digital WD Blue SA510 4TB:

  • More Capacity (+2000 GB available)

Buy now

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