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Compare SANDISK Optimus GX 7100M 2TB vs WD Blue SN550 250GB

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  3. SANDISK Optimus GX 7100M 2TB 🆚 WD Blue SN550 250GB
The main differences between SANDISK Optimus GX 7100M 2TB and WD Blue SN550 250GB are in Capacity, Interface 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
WD Blue SN550 250GB NVMe Gen3 x4 PCIe 8Gb/s M.2 2280 3D NAND WDS250G2B0C
WD Blue SN550 250GB
Prices
(Change region)
In Stock
Free shipping
$599.99
In Stock
$708.92
Last updated 14 minutes ago.
Prices
(Change region)
In Stock
Free shipping
$79.50
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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
WDS250G2B0C
Release Date
📅 February 2026
Release Date
📅 December 2019
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
★★★★★
(80 reviews)
Performance (Charts)
n/a
Performance (Charts)
158th / 1746
Effective Value
-
Effective Value
98th / 336
Price history
View Details ►
Price history
View Details ►
Price/GB
$0.30
Price/GB
$0.18
GB/$1
3.33
GB/$1
5.56
Series
-
Series
Blue SN550 NVMe
Capacity
2000 GB
Capacity
250 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 NAND
Max Sequential Read
-
Max Sequential Read
Up to 2400 MB/s
Max Sequential Write
-
Max Sequential Write
Up to 950 MB/s
MTBF
-
MTBF
1.7M hours
WD Blue SN550 500GB 500GB
$149.00
WD Blue SN550 1TB NVMe 1TB
$80.99
WD Blue SN550 2TB 2TB
$165.99

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 (+1750 GB available)
  • Newer interface (PCIe Gen4 x4)

Buy now

Reasons to buy the WD Blue SN550 250GB:

  • 87% cheaper, you can save $520.49

Buy now

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