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Compare SANDISK Optimus GX PRO 850X 4TB vs WD Green SN350 480GB

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  2. Solid State Drives
  3. SANDISK Optimus GX PRO 850X 4TB 🆚 WD Green SN350 480GB
SANDISK Optimus GX PRO 850X 4TB and WD Green SN350 480GB 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 PRO 850X 4TB NVMe PCIe Gen4 x4 M.2-2280 SDSP81400TAN-000E0
SANDISK Optimus GX PRO 850X 4TB
WD Green SN350 480GB NVMe Gen3 PCIe M.2 2280 Up to 2,400 MB/s - WDS480G2G0C
WD Green SN350 480GB
Prices
(Change region)
In Stock
$1,329.99
In Stock
Free shipping
$1,329.99
In Stock
$1,329.99
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Prices
(Change region)
In Stock
Free shipping
$119.18
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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
  • SDSP81400TAN-000E0
  • SDSP81400TAN
Model
WDS480G2G0C
Release Date
📅 February 2026
Release Date
📅 August 2021
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
★★★★★
(2 reviews)
Price history
View Details ►
Price history
View Details ►
Price/GB
$0.33
Price/GB
$0.08
GB/$1
3.01
GB/$1
12
Series
-
Series
Green SN350 NVMe
Capacity
4000 GB
Capacity
480 GB
Interface
PCIe Gen4 x4
Interface
PCIe Gen3 x4
NVME
Yes
NVME
Yes
Form Factor
M.2-2280
Form Factor
M.2-2280
Max Sequential Read
-
Max Sequential Read
Up to 2400 MB/s
Max Sequential Write
-
Max Sequential Write
Up to 1650 MB/s
MTBF
-
MTBF
1M hours
-
WD Green SN350 1TB 1TB
$199.99
WD Green SN350 960GB 960GB
$54.99
WD Green SN350 2TB 2TB
$249.99
WD Green SN350 240GB 240GB
$79.39

Comparison and key differences summary

Reasons to buy the SANDISK Optimus GX PRO 850X 4TB:

  • Newer Product, it was released around 5 years later
  • More Capacity (+3520 GB available)
  • Newer interface (PCIe Gen4 x4)

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Reasons to buy the WD Green SN350 480GB:

  • 91% cheaper, you can save $1,210.81

Buy now

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