Compare Solid State Drives

Compare Western Digital WD_BLACK SN7100 4TB vs SANDISK Optimus GX PRO 8100 8TB

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  2. Solid State Drives
  3. Western Digital WD_BLACK SN7100 4TB 🆚 SANDISK Optimus GX PRO 8100 8TB
Western Digital WD_BLACK SN7100 4TB and SANDISK Optimus GX PRO 8100 8TB 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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Western Digital WD_BLACK SN7100 4TB NVMe Gen4 PCIe M.2 2280 WDS400T4X0E-00CJA0
Western Digital WD_BLACK SN7100 4TB
SANDISK Optimus GX PRO 8100 8TB NVMe PCIe Gen5 x4 M.2-2280 SDSP82800TAN-000E0
SANDISK Optimus GX PRO 8100 8TB
Prices
(Change region)
In Stock
$569.00
Last updated 31 minutes ago.
In Stock
Free shipping
$578.00
In Stock
$578.00
Show 3 more offers
Prices
(Change region)
Out of Stock
$369.99
In Stock
$2,799.99
In Stock
Free shipping
$2,799.99
Show 1 more offers
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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
Western Digital
Brand
SanDisk
Model
  • WDS400T4X0E-00CJA0
  • WDS400T4X0E
Model
  • SDSP82800TAN-000E0
  • SDSP82800TAN
Release Date
📅 December 2024
Release Date
📅 February 2026
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
Price history
View Details ►
Price history
View Details ►
Price/GB
$0.06
Price/GB
$0.05
GB/$1
16.67
GB/$1
21.62
Series
SN7100
Series
-
Capacity
4000 GB
Capacity
8000 GB
Interface
PCIe Gen4 x4
Interface
PCIe Gen5 x4
NVME
Yes
NVME
Yes
Form Factor
M.2-2280
Form Factor
M.2-2280
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:

Buy now

Reasons to buy the SANDISK Optimus GX PRO 8100 8TB:

  • 35% cheaper, you can save $199.01
  • Newer Product, it was released around 15 months later
  • More Capacity (+4000 GB available)
  • Newer interface (PCIe Gen5 x4)

Buy now

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