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Compare SANDISK Optimus GX PRO 850X 4TB vs ADATA SU800 512GB 3D-NAND

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  2. Solid State Drives
  3. SANDISK Optimus GX PRO 850X 4TB 🆚 ADATA SU800 512GB 3D-NAND
The main differences between SANDISK Optimus GX PRO 850X 4TB and ADATA SU800 512GB 3D-NAND 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
ADATA SU800 512GB 3D-NAND 2.5" SATA III (ASU800SS-512GT-C)
ADATA SU800 512GB 3D-NAND
Prices
(Change region)
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)
Out of Stock
Free shipping
$59.99
Out of Stock
Free shipping
$59.99
Out of Stock
+ $3.99 Shipping
$62.99
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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
ADATA
Model
  • SDSP81400TAN-000E0
  • SDSP81400TAN
Model
ASU800SS-512GT-C
Release Date
📅 February 2026
Release Date
📅 March 2019
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
★★★★☆
(167 reviews)
Performance (Charts)
n/a
Performance (Charts)
232nd / 1746
Effective Value
-
Effective Value
176th / 336
Price history
View Details ►
Price history
View Details ►
Price/GB
$0.33
Price/GB
$0.12
GB/$1
3.01
GB/$1
8.53
Series
-
Series
Ultimate SU800
Capacity
4000 GB
Capacity
512 GB
Interface
PCIe Gen4 x4
Interface
SATA 6 Gb/s
NVME
Yes
NVME
No
Form Factor
M.2-2280
Form Factor
2.5"
SSD Controller
-
SSD Controller
Silicon Motion
NAND Flash Type
-
NAND Flash Type
3D TLC
Max Sequential Read
-
Max Sequential Read
Up to 560 MB/s (ATTO)
Up to 550 MB/s (Crystal Disk Mark)
Max Sequential Write
-
Max Sequential Write
Up to 520 MB/s (ATTO)
Up to 500 MB/s (Crystal Disk Mark)
MTBF
-
MTBF
2,000,000 hours
-

Comparison and key differences summary

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

  • Newer Product, it was released around 7 years later
  • More Capacity (+3488 GB available)
  • Newer interface (PCIe Gen4 x4)

Buy now

Reasons to buy the ADATA SU800 512GB 3D-NAND:

  • 95% cheaper, you can save $1,270.00

Buy now

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