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Compare SANDISK Optimus GX PRO 850X 8TB Heatsink vs Seagate Barracuda Q5 500GB

SANDISK Optimus GX PRO 850X 8TB Heatsink and Seagate Barracuda Q5 500GB 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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Brand
SanDisk
Brand
Seagate
Model
  • SDSP81800TAH-000E0
  • SDSP81800TAH
Model
ZP500CV3A001
Release Date
📅 February 2026
Release Date
📅 November 2020
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
★★★★★
(12 reviews)
Price history
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Price history
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Price/GB
$0.34
Price/GB
$0.09
GB/$1
2.96
GB/$1
11.11
Series
-
Series
BarraCuda Q5
Capacity
8000 GB
Capacity
500 GB
Interface
PCIe Gen4 x4
Interface
PCIe Gen3 x4
NVME
Yes
NVME
Yes
Form Factor
M.2-2280
Form Factor
M.2-2280
NAND Flash Type
-
NAND Flash Type
3D QLC
Max Sequential Read
-
Max Sequential Read
Up to 2300 MB/s
Max Sequential Write
-
Max Sequential Write
Up to 900 MB/s
MTBF
-
MTBF
1,800,000 hours
-

Comparison and key differences summary

Reasons to buy the SANDISK Optimus GX PRO 850X 8TB Heatsink:

  • Newer Product, it was released around 5 years later
  • More Capacity (+7500 GB available)
  • Newer interface (PCIe Gen4 x4)

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Reasons to buy the Seagate Barracuda Q5 500GB:

  • 95% cheaper, you can save $2,560.99

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