Compare Solid State Drives

Compare SANDISK Optimus GX PRO 850X 4TB vs Lexar NM790 8TB

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  2. Solid State Drives
  3. SANDISK Optimus GX PRO 850X 4TB 🆚 Lexar NM790 8TB
SANDISK Optimus GX PRO 850X 4TB and Lexar NM790 8TB are both solid state drives with the same Interface (PCIe Gen4 x4) and Form Factor (M.2-2280). The main differences are in Capacity.
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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
Lexar NM790 8TB PCIe Gen4 NVMe M.2 2280 Compatible with PS5 (LNM790X008T-RNNNU)
Lexar NM790 8TB
Prices
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In Stock
$1,329.99
In Stock
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$1,329.99
In Stock
$1,329.99
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Prices
(Change region)
In Stock
$1,309.99
Last updated 4 minutes ago.
In Stock
Free shipping
$1,309.99
In Stock
Free shipping
$1,309.99
Show 2 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
Lexar
Model
  • SDSP81400TAN-000E0
  • SDSP81400TAN
Model
  • LNM790X008T-RNNNU
  • LNM790X008T-RNNNG
Release Date
📅 February 2026
Release Date
📅 October 2024
* 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
$0.33
Price/GB
$0.16
GB/$1
3.01
GB/$1
6.11
Capacity
4000 GB
Capacity
8000 GB
Interface
PCIe Gen4 x4
Interface
PCIe Gen4 x4
NVME
Yes
NVME
Yes
Form Factor
M.2-2280
Form Factor
M.2-2280
-

Comparison and key differences summary

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

  • Newer Product, it was released around 16 months later

Buy now

Reasons to buy the Lexar NM790 8TB:

  • 2% cheaper, you can save $20.00
  • More Capacity (+4000 GB available)

Buy now

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