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Compare Samsung 840 PRO 128GB vs SANDISK Optimus GX PRO 8100 1TB

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  2. Solid State Drives
  3. Samsung 840 PRO 128GB 🆚 SANDISK Optimus GX PRO 8100 1TB
The main differences between Samsung 840 PRO 128GB and SANDISK Optimus GX PRO 8100 1TB are in Capacity, Interface, NVME and Form Factor.
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Samsung 840 PRO 128GB 2.5" SATA3 MZ-7PD128BW
Samsung 840 PRO 128GB
SANDISK Optimus GX PRO 8100 1TB NVMe PCIe Gen5 x4 M.2-2280 SDSP82100TAN-000E0
SANDISK Optimus GX PRO 8100 1TB
Prices
(Change region)
Out of Stock
Free shipping
$149.99
-
Buy now
Prices
(Change region)
In Stock
$349.99
In Stock
Free shipping
$349.99
In Stock
$349.99
Last updated 24 minutes ago.
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Pangoly Score (How do we rate?)
92
Pangoly Score (How do we rate?)
-
Brand
Samsung
Brand
SanDisk
Model
MZ-7PD128BW
Model
  • SDSP82100TAN-000E0
  • SDSP82100TAN
Release Date
📅 October 2012
Release Date
📅 February 2026
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
★★★★★
(235 reviews)
User reviews
Performance (Charts)
258th / 1746
Performance (Charts)
n/a
Effective Value
261st / 336
Effective Value
-
Price history
View Details ►
Price history
View Details ►
Price/GB
$1.17
Price/GB
$0.35
GB/$1
0.85
GB/$1
2.86
Pros
  • Great performance
  • Samsung MDX controller
Pros
-
Series
840 Pro Series
Series
-
Capacity
128 GB
Capacity
1000 GB
Interface
SATA 6 Gb/s
Interface
PCIe Gen5 x4
NVME
No
NVME
Yes
Form Factor
2.5"
Form Factor
M.2-2280
SSD Controller
Samsung MDX
SSD Controller
-
NAND Flash Type
MLC
NAND Flash Type
-
MTBF
1,500,000 hours
MTBF
-

Comparison and key differences summary

Reasons to buy the Samsung 840 PRO 128GB:

  • 57% cheaper, you can save $200.00

Buy now

Reasons to buy the SANDISK Optimus GX PRO 8100 1TB:

  • Newer Product, it was released around 14 years later
  • More Capacity (+872 GB available)
  • Newer interface (PCIe Gen5 x4)

Buy now

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