Compare Solid State Drives

Compare Western Digital SN850 2TB + Heatsink vs BLACK SN850X 4TB + Heatsink

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  2. Solid State Drives
  3. Western Digital SN850 2TB + Heatsink 🆚 Western Digital BLACK SN850X 4TB + Heatsink
Western Digital SN850 2TB + Heatsink and Western Digital BLACK SN850X 4TB + Heatsink are both solid state drives with the same Interface (PCIe Gen4 x4), Form Factor (M.2-2280) and MTBF (1.75M Hours). The main differences are in Performance (+22%), Capacity, Max Sequential Read and Max Sequential Write.
Save comparison
Western Digital BLACK SN850 2TB NVMe SSD with Heatsink WDS200T1XHE
Western Digital SN850 2TB + Heatsink
Western Digital BLACK SN850X 4TB + Heatsink NVMe Gen4 PCIe M.2 2280 Up to 7,300 MB/s WDS400T2XHE
Western Digital BLACK SN850X 4TB + Heatsink
Prices
(Change region)
Out of Stock
$239.99
Out of Stock
Free shipping
$279.99
Out of Stock
Free shipping
$378.99
Show 3 more offers
Prices
(Change region)
In Stock
$649.99
Last updated 33 minutes ago.
In Stock
$649.99
In Stock
$649.99
Show 4 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
Western Digital
Model
WDS200T1XHE
Model
  • WDS400T2XHE
  • WDS400T2XHE-00BCA0
  • WDBB9H0040BNC-WRSN
Release Date
📅 April 2021
Release Date
📅 July 2024
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
★★★★★
(75 reviews)
User reviews
★★★★☆
(107 reviews)
Performance (Charts)
35th / 1746
(-22%)
Performance (Charts)
25th / 1746
(0%)
Effective Value
79th / 336
Effective Value
120th / 336
Price history
View Details ►
Price history
View Details ►
Price/GB
$0.12
Price/GB
$0.16
GB/$1
8.33
GB/$1
6.15
Series
BLACK SN850 NVMe
Series
Black
Capacity
2000 GB
Capacity
4000 GB
Interface
PCIe Gen4 x4
Interface
PCIe Gen4 x4
NVME
Yes
NVME
Yes
Form Factor
M.2-2280
Form Factor
M.2-2280
SSD Controller
WD/SanDisk NVMe G2
SSD Controller
-
NAND Flash Type
3D NAND
NAND Flash Type
-
Max Sequential Read
Up to 7000 MB/s
Max Sequential Read
Up to 7300 MB/s
Max Sequential Write
Up to 5100 MB/s
Max Sequential Write
Up to 6600 MB/s
MTBF
1.75M Hours
MTBF
1.75M Hours

Comparison and key differences summary

Reasons to buy the Western Digital SN850 2TB + Heatsink:

  • 63% cheaper, you can save $410.00
  • Moderately better effective value.

Buy now

Reasons to buy the Western Digital BLACK SN850X 4TB + Heatsink:

  • Moderately better performance, around +22%
  • Newer Product, it was released around 3 years later
  • More Capacity (+2000 GB available)

Buy now

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