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Compare WD Blue 500GB Internal SSD vs SANDISK Optimus GX 7100 2TB

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  2. Solid State Drives
  3. WD Blue 500GB Internal SSD 🆚 SANDISK Optimus GX 7100 2TB
The main differences between WD Blue 500GB Internal SSD and SANDISK Optimus GX 7100 2TB are in Capacity, Interface, NVME and Form Factor.
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WD Blue 500GB SATA 6Gb/s 2.5" WDS500G1B0A
WD Blue 500GB Internal SSD
SANDISK Optimus GX 7100 2TB NVMe SDSP71200TAN-000E0
SANDISK Optimus GX 7100 2TB
Prices
(Change region)
Out of Stock
Free shipping
$139.99
-
Buy now
Prices
(Change region)
In Stock
$549.75
Last updated 22 minutes ago.
In Stock
$599.99
In Stock
Free shipping
$599.99
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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
Western Digital
Brand
SanDisk
Model
WDS500G1B0A
Model
  • SDSP71200TAN-000E0
  • SDSP71200TAN
Release Date
📅 January 2018
Release Date
📅 February 2026
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
★★★★★
(290 reviews)
User reviews
Performance (Charts)
311th / 1746
Performance (Charts)
n/a
Effective Value
275th / 336
Effective Value
-
Price history
View Details ►
Price history
View Details ►
Price/GB
$0.28
Price/GB
$0.27
GB/$1
3.57
GB/$1
3.64
Series
Blue
Series
-
Capacity
500 GB
Capacity
2000 GB
Interface
SATA 6 Gb/s
Interface
PCIe Gen4 x4
NVME
No
NVME
Yes
Form Factor
2.5"
Form Factor
M.2-2280
SSD Controller
Marvell 1074
SSD Controller
-
NAND Flash Type
2D NAND
NAND Flash Type
-
Max Sequential Read
Up to 545 MB/s
Max Sequential Read
-
Max Sequential Write
Up to 525 MB/s
Max Sequential Write
-
MTBF
1,750,000 hours
MTBF
-
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 WD Blue 500GB Internal SSD:

  • 75% cheaper, you can save $409.76

Buy now

Reasons to buy the SANDISK Optimus GX 7100 2TB:

  • Newer Product, it was released around 8 years later
  • More Capacity (+1500 GB available)
  • Newer interface (PCIe Gen4 x4)

Buy now

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