Compare Solid State Drives

Compare WD_BLACK SN770 250GB vs SANDISK Optimus GX PRO 8100 1TB

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  2. Solid State Drives
  3. WD_BLACK SN770 250GB 🆚 SANDISK Optimus GX PRO 8100 1TB
WD_BLACK SN770 250GB and SANDISK Optimus GX PRO 8100 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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WD_BLACK SN770 250GB NVMe Gen4 PCIe M.2 2280 WDS250G3X0E
WD_BLACK SN770 250GB
SANDISK Optimus GX PRO 8100 1TB NVMe PCIe Gen5 x4 M.2-2280 SDSP82100TAN-000E0
SANDISK Optimus GX PRO 8100 1TB
Prices
(Change region)
In Stock
Free shipping
$82.12
Prices
(Change region)
In Stock
$349.99
In Stock
Free shipping
$349.99
In Stock
$349.99
Last updated 42 minutes ago.
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Brand
Western Digital
Brand
SanDisk
Model
WDS250G3X0E
Model
  • SDSP82100TAN-000E0
  • SDSP82100TAN
Release Date
📅 January 2022
Release Date
📅 February 2026
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
★★★★☆
(20 reviews)
User reviews
Performance (Charts)
66th / 1746
Performance (Charts)
n/a
Effective Value
9th / 336
Effective Value
-
Price history
View Details ►
Price history
View Details ►
Price/GB
$0.16
Price/GB
$0.35
GB/$1
6.25
GB/$1
2.86
Series
BLACK SN770 NVMe
Series
-
Capacity
250 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
SSD Controller
20-82-10081-A1
SSD Controller
-
NAND Flash Type
3D TLC BiCS5
NAND Flash Type
-
Max Sequential Read
Up to 4000 MB/s
Max Sequential Read
-
Max Sequential Write
Up to 2000 MB/s
Max Sequential Write
-
MTBF
1.75 Million hours
MTBF
-
WD_BLACK SN770 500GB 500GB
$122.48
WD_BLACK SN770 1TB 1TB
$74.99
WD_BLACK SN770 2TB 2TB
$394.99

Comparison and key differences summary

Reasons to buy the WD_BLACK SN770 250GB:

  • 77% cheaper, you can save $267.87

Buy now

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

  • Newer Product, it was released around 4 years later
  • More Capacity (+750 GB available)
  • Newer interface (PCIe Gen5 x4)

Buy now

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