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Compare SANDISK Optimus GX PRO 850X 4TB vs Kingston Digital A1000 240GB

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  2. Solid State Drives
  3. SANDISK Optimus GX PRO 850X 4TB 🆚 Kingston Digital A1000 240GB
SANDISK Optimus GX PRO 850X 4TB and Kingston Digital A1000 240GB are both solid state drives with the same Form Factor (M.2-2280). The main differences are in Capacity and 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
Kingston Digital A1000 240GB PCIe NVMe M.2 2280 SA1000M8/240G
Kingston Digital A1000 240GB
Prices
(Change region)
In Stock
$1,329.99
In Stock
Free shipping
$1,329.99
In Stock
$1,329.99
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Prices
(Change region)
Out of Stock
Free shipping
$319.70
-
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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
Kingston
Model
  • SDSP81400TAN-000E0
  • SDSP81400TAN
Model
SA1000M8/240G
Release Date
📅 February 2026
Release Date
📅 April 2018
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
★★★★★
(9 reviews)
Performance (Charts)
n/a
Performance (Charts)
196th / 1746
Effective Value
-
Effective Value
288th / 336
Price history
View Details ►
Price history
View Details ►
Price/GB
$0.33
Price/GB
$1.33
GB/$1
3.01
GB/$1
0.75
Series
-
Series
A1000
Capacity
4000 GB
Capacity
240 GB
Interface
PCIe Gen4 x4
Interface
PCIe Gen3 x2
NVME
Yes
NVME
Yes
Form Factor
M.2-2280
Form Factor
M.2-2280
SSD Controller
-
SSD Controller
Phison E8
NAND Flash Type
-
NAND Flash Type
3D TLC
Max Sequential Read
-
Max Sequential Read
Up to 1500 MB/s
Max Sequential Write
-
Max Sequential Write
Up to 800 MB/s
MTBF
-
MTBF
1,000,000 hours
-

Comparison and key differences summary

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

  • Newer Product, it was released around 8 years later
  • More Capacity (+3760 GB available)
  • Newer interface (PCIe Gen4 x4)

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Reasons to buy the Kingston Digital A1000 240GB:

  • 76% cheaper, you can save $1,010.29

Buy now

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