Compare Solid State Drives

Compare SANDISK Optimus GX PRO 850X 4TB vs Samsung 990 EVO PLUS 4TB

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  2. Solid State Drives
  3. SANDISK Optimus GX PRO 850X 4TB 🆚 Samsung 990 EVO PLUS 4TB
SANDISK Optimus GX PRO 850X 4TB and Samsung 990 EVO PLUS 4TB are both solid state drives with the same Capacity (4000 GB) and Form Factor (M.2-2280). The main differences are in 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
Samsung 990 EVO PLUS 4TB PCIe Gen 4x4 Gen 5x2 M.2 2280 MZ-V9S4T0BW
Samsung 990 EVO PLUS 4TB
Prices
(Change region)
In Stock
$1,329.99
In Stock
Free shipping
$1,329.99
In Stock
$1,329.99
Show 2 more offers
Prices
(Change region)
Out of Stock
Free shipping
$599.95
In Stock
$779.00
Last updated 54 minutes ago.
Out of Stock
$784.11
Show 4 more offers
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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
Samsung
Model
  • SDSP81400TAN-000E0
  • SDSP81400TAN
Model
  • MZ-V9S4T0BW
  • MZ-V9S4T0B/AM
Release Date
📅 February 2026
Release Date
-
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
★★★★☆
(42 reviews)
Performance (Charts)
n/a
Performance (Charts)
41st / 1746
Effective Value
-
Effective Value
110th / 336
Price history
View Details ►
Price history
View Details ►
Price/GB
$0.33
Price/GB
$0.08
GB/$1
3.01
GB/$1
12.2
Series
-
Series
990 EVO Plus
Capacity
4000 GB
Capacity
4000 GB
Interface
PCIe Gen4 x4
Interface
PCIe Gen5 x2
NVME
Yes
NVME
Yes
Form Factor
M.2-2280
Form Factor
M.2-2280
Max Sequential Read
-
Max Sequential Read
Up to 7250 MB/s
Max Sequential Write
-
Max Sequential Write
Up to 6300 MB/s
-

Comparison and key differences summary

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

Buy now

Reasons to buy the Samsung 990 EVO PLUS 4TB:

  • 55% cheaper, you can save $730.04
  • Newer interface (PCIe Gen5 x2)

Buy now

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