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Compare SANDISK Optimus 5100 2TB vs Synology SNV3500 400GB

The main differences between SANDISK Optimus 5100 2TB and Synology SNV3500 400GB are in Capacity, Interface and Form Factor.
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Brand
SanDisk
Brand
Synology
Model
  • SDSP51200TAN-000E0
  • SDSP51200TAN
Model
SNV3500-400G
Release Date
📅 February 2026
Release Date
📅 June 2020
* First availability for purchase, it may not correspond to the actual market launch date.
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Price history
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Price/GB
$0.28
Price/GB
$0.42
GB/$1
3.57
GB/$1
2.35
Capacity
2000 GB
Capacity
400 GB
Interface
PCIe Gen4 x4
Interface
PCIe Gen3 x4
NVME
Yes
NVME
Yes
Form Factor
M.2-2280
Form Factor
M.2-22110

Comparison and key differences summary

Reasons to buy the SANDISK Optimus 5100 2TB:

  • Newer Product, it was released around 6 years later
  • More Capacity (+1600 GB available)
  • Newer interface (PCIe Gen4 x4)

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Reasons to buy the Synology SNV3500 400GB:

  • 70% cheaper, you can save $389.97

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