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Compare SANDISK Optimus GX PRO 850X 4TB vs PNY CS2140 2TB

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  2. Solid State Drives
  3. SANDISK Optimus GX PRO 850X 4TB 🆚 PNY CS2140 2TB
SANDISK Optimus GX PRO 850X 4TB and PNY CS2140 2TB 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
PNY CS2140 M.2 2280 2TB PCI-Express 4.0 x4, NVMe 1.4 3D NAND M280CS2140-2TB-RB
PNY CS2140 2TB
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
$101.20
Out of Stock
Free shipping
$118.99
Out of Stock
$121.99
Show 5 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
PNY
Model
  • SDSP81400TAN-000E0
  • SDSP81400TAN
Model
M280CS2140-2TB-RB
Release Date
📅 February 2026
Release Date
📅 July 2022
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
★★★★★
(1 reviews)
Price history
View Details ►
Price history
View Details ►
Price/GB
$0.33
Price/GB
$0.05
GB/$1
3.01
GB/$1
19.76
Series
-
Series
CS2140
Capacity
4000 GB
Capacity
2000 GB
Interface
PCIe Gen4 x4
Interface
PCIe Gen4 x4
NVME
Yes
NVME
Yes
Form Factor
M.2-2280
Form Factor
M.2-2280
NAND Flash Type
-
NAND Flash Type
3D NAND
Max Sequential Read
-
Max Sequential Read
Up to 3300 MB/s
Max Sequential Write
-
Max Sequential Write
Up to 3000 MB/s
MTBF
-
MTBF
1,500,000 hours
-

Comparison and key differences summary

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

  • Newer Product, it was released around 4 years later
  • More Capacity (+2000 GB available)

Buy now

Reasons to buy the PNY CS2140 2TB:

  • 92% cheaper, you can save $1,228.79

Buy now

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