Compare Solid State Drives

Compare SANDISK Optimus 5100 2TB vs Western Digital WD_BLACK SN8100 1TB

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  2. Solid State Drives
  3. SANDISK Optimus 5100 2TB 🆚 Western Digital WD_BLACK SN8100 1TB
SANDISK Optimus 5100 2TB and Western Digital WD_BLACK SN8100 1TB 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 5100 2TB NVMe PCIe Gen4 x4 M.2-2280 SDSP51200TAN-000E0
SANDISK Optimus 5100 2TB
Western Digital WD_BLACK SN8100 1TB NVMe Gen 5 PCIe 5.0 x4 M.2 2280 WDS100T1X0M
Western Digital WD_BLACK SN8100 1TB
Prices
(Change region)
In Stock
Free shipping
$559.96
Prices
(Change region)
In Stock
Free shipping
$247.00
In Stock
$269.99
Last updated 28 minutes ago.
In Stock
Free shipping
$269.99
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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
Western Digital
Model
  • SDSP51200TAN-000E0
  • SDSP51200TAN
Model
  • WDS100T1X0M
  • WDS100T1X0M-00CMT0
Release Date
📅 February 2026
Release Date
📅 May 2025
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
Performance (Charts)
n/a
Performance (Charts)
15th / 1746
Effective Value
-
Effective Value
3rd / 336
Price history
View Details ►
Price history
View Details ►
Price/GB
$0.28
Price/GB
$0.15
GB/$1
3.57
GB/$1
6.67
Capacity
2000 GB
Capacity
1000 GB
Interface
PCIe Gen4 x4
Interface
PCIe Gen5 x4
NVME
Yes
NVME
Yes
Form Factor
M.2-2280
Form Factor
M.2-2280
Max Sequential Read
-
Max Sequential Read
Up to 14900 MB/s
Max Sequential Write
-
Max Sequential Write
Up to 11000 MB/s
MTBF
-
MTBF
1,750,000 Hours
-

Comparison and key differences summary

Reasons to buy the SANDISK Optimus 5100 2TB:

  • Newer Product, it was released around 9 months later
  • More Capacity (+1000 GB available)

Buy now

Reasons to buy the Western Digital WD_BLACK SN8100 1TB:

  • 56% cheaper, you can save $312.96
  • Newer interface (PCIe Gen5 x4)

Buy now

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