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Compare SANDISK Optimus GX PRO 850X 4TB vs TEAMGROUP QX 2TB

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  2. Solid State Drives
  3. SANDISK Optimus GX PRO 850X 4TB 🆚 TEAMGROUP QX 2TB
The main differences between SANDISK Optimus GX PRO 850X 4TB and TEAMGROUP QX 2TB are in Capacity, Interface, NVME and Form Factor.
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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
TEAMGROUP QX 2TB 3D NAND QLC 2.5" SATA III T253X7002T0C101
TEAMGROUP QX 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
$204.99
Out of Stock
Free shipping
$219.99
Out of Stock
Free shipping
$383.99
Show 1 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
TEAM
Model
  • SDSP81400TAN-000E0
  • SDSP81400TAN
Model
T253X7002T0C101
Release Date
📅 February 2026
Release Date
-
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
★★★★☆
(10 reviews)
Price history
View Details ►
Price history
View Details ►
Price/GB
$0.33
Price/GB
$0.10
GB/$1
3.01
GB/$1
9.76
Series
-
Series
QX
Capacity
4000 GB
Capacity
2000 GB
Interface
PCIe Gen4 x4
Interface
SATA 6 Gb/s
NVME
Yes
NVME
No
Form Factor
M.2-2280
Form Factor
2.5"
NAND Flash Type
-
NAND Flash Type
3D NAND
Max Sequential Read
-
Max Sequential Read
Up to 560 MB/s
Max Sequential Write
-
Max Sequential Write
Up to 550 MB/s
MTBF
-
MTBF
1,500,000 hours
-

Comparison and key differences summary

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

  • More Capacity (+2000 GB available)
  • Newer interface (PCIe Gen4 x4)

Buy now

Reasons to buy the TEAMGROUP QX 2TB:

  • 85% cheaper, you can save $1,125.00

Buy now

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