Compare Solid State Drives

Compare Western Digital WD_BLACK SN7100 4TB vs SANDISK Optimus GX 7100M 2TB

Western Digital WD_BLACK SN7100 4TB and SANDISK Optimus GX 7100M 2TB are both solid state drives with the same Interface (PCIe Gen4 x4). The main differences are in Capacity and Form Factor.
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Prices
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In Stock
$564.99
Last updated 30 minutes ago.
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Prices
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In Stock
Free shipping
In Stock
$708.92
Last updated 31 minutes ago.
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Brand
Western Digital
Brand
SanDisk
Model
  • WDS400T4X0E-00CJA0
  • WDS400T4X0E
Model
  • SDSP71200TAT-000E0
  • SDSP71200TAT
Release Date
📅 December 2024
Release Date
📅 February 2026
* 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 history
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Price/GB
$0.06
Price/GB
$0.30
GB/$1
16.67
GB/$1
3.33
Series
SN7100
Series
-
Capacity
4000 GB
Capacity
2000 GB
Interface
PCIe Gen4 x4
Interface
PCIe Gen4 x4
NVME
Yes
NVME
Yes
Form Factor
M.2-2280
Form Factor
M.2-2230
NAND Flash Type
TLC 3D NAND
NAND Flash Type
-
Max Sequential Read
Up to 7000 MB/s
Max Sequential Read
-
Max Sequential Write
Up to 6700 MB/s
Max Sequential Write
-
MTBF
1,750,000 hours
MTBF
-

Comparison and key differences summary

Reasons to buy the Western Digital WD_BLACK SN7100 4TB:

  • 6% cheaper, you can save $35.00
  • More Capacity (+2000 GB available)

Buy now

Reasons to buy the SANDISK Optimus GX 7100M 2TB:

  • Newer Product, it was released around 15 months later

Buy now

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