Compare Solid State Drives

Compare SANDISK Optimus GX PRO 850X 4TB vs Samsung 860 EVO 500GB M.2

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  3. SANDISK Optimus GX PRO 850X 4TB 🆚 Samsung 860 EVO 500GB M.2
SANDISK Optimus GX PRO 850X 4TB and Samsung 860 EVO 500GB M.2 are both solid state drives with the same Form Factor (M.2-2280). The main differences are in Capacity, Interface and NVME.
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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
Samsung 860 EVO 500GB M.2 SATA Internal SSD (MZ-N6E500BW)
Samsung 860 EVO 500GB M.2
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
$94.99
Out of Stock
$94.99
Out of Stock
Free shipping
$94.99
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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
Samsung
Model
  • SDSP81400TAN-000E0
  • SDSP81400TAN
Model
MZ-N6E500BW
Release Date
📅 February 2026
Release Date
📅 January 2018
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
★★★★☆
(251 reviews)
Price history
View Details ►
Price history
View Details ►
Price/GB
$0.33
Price/GB
$0.19
GB/$1
3.01
GB/$1
5.26
Series
-
Series
860 EVO Series
Capacity
4000 GB
Capacity
500 GB
Interface
PCIe Gen4 x4
Interface
SATA 6 Gb/s
NVME
Yes
NVME
No
Form Factor
M.2-2280
Form Factor
M.2-2280
SSD Controller
-
SSD Controller
Samsung MJX
NAND Flash Type
-
NAND Flash Type
V-NAND 3-bit MLC
Cache
-
Cache
Samsung 512MB Low Power DDR4 SDRAM
Max Sequential Read
-
Max Sequential Read
Up to 550 MB/s
Max Sequential Write
-
Max Sequential Write
Up to 520 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 8 years later
  • More Capacity (+3500 GB available)
  • Newer interface (PCIe Gen4 x4)

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Reasons to buy the Samsung 860 EVO 500GB M.2:

  • 93% cheaper, you can save $1,235.00

Buy now

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