The WD_BLACK SN850X 4TB NVMe SSD - M.2 2280, Up to 7,300 MB/s Read speeds, Up to 6,300 MB/s write speeds, Gaming Expansion, High Performance Internal Solid State Drive - WDS400T2X0E costs $0.1673/GB while the Crucial - X10 4TB External USB-C SSD - Blue costs $0.1000/GB. Crucial - X10 4TB External USB-C SSD - Blue offers 40% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD_BLACK SN850X 4TB NVMe SSD - M.2 2280, Up to 7,300 MB/s Read speeds, Up to 6,300 MB/s write speeds, Gaming Expansion, High Performance Internal Solid State Drive - WDS400T2X0E vs Crucial - X10 4TB External USB-C SSD - Blue — Which Is Better Value?
Crucial - X10 4TB External USB-C SSD - Blue
Specification Comparison
| Spec | WD_BLACK SN850X 4TB NVMe SSD - M.2 2280, Up to 7,300 MB/s Read speeds, Up to 6,300 MB/s write speeds, Gaming Expansion, High Performance Internal Solid State Drive - WDS400T2X0E | Crucial - X10 4TB External USB-C SSD - Blue |
|---|---|---|
| Brand | SanDisk | Crucial |
| Capacity | 4 TB | 4 TB |
| $/GB | $0.1673 | $0.1000 |
| Price | $669.00 | $399.99 |
| Retailer | Amazon | Best Buy |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | nvme | ssd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the Crucial - X10 4TB External USB-C SSD - Blue offers better value at $0.1000//GB compared to the WD_BLACK SN850X 4TB NVMe SSD - M.2 2280, Up to 7,300 MB/s Read speeds, Up to 6,300 MB/s write speeds, Gaming Expansion, High Performance Internal Solid State Drive - WDS400T2X0E at $0.1673//GB — that's roughly 40% less per gigabyte.
The best deal for the Crucial - X10 4TB External USB-C SSD - Blue is $399.99 at Best Buy, while the WD_BLACK SN850X 4TB NVMe SSD - M.2 2280, Up to 7,300 MB/s Read speeds, Up to 6,300 MB/s write speeds, Gaming Expansion, High Performance Internal Solid State Drive - WDS400T2X0E starts at $669.00 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each WD_BLACK SN850X 4TB NVMe SSD - M.2 2280, Up to 7,300 MB/s Read speeds, Up to 6,300 MB/s write speeds, Gaming Expansion, High Performance Internal Solid State Drive - WDS400T2X0E and Crucial - X10 4TB External USB-C SSD - Blue product page for detailed specifications and price history.
Frequently Asked Questions
Is WD_BLACK SN850X 4TB NVMe SSD - M.2 2280, Up to 7,300 MB/s Read speeds, Up to 6,300 MB/s write speeds, Gaming Expansion, High Performance Internal Solid State Drive - WDS400T2X0E or Crucial - X10 4TB External USB-C SSD - Blue a better deal?
As of May 2026, Crucial - X10 4TB External USB-C SSD - Blue offers better value at $0.1000//GB compared to WD_BLACK SN850X 4TB NVMe SSD - M.2 2280, Up to 7,300 MB/s Read speeds, Up to 6,300 MB/s write speeds, Gaming Expansion, High Performance Internal Solid State Drive - WDS400T2X0E at $0.1673//GB. That is approximately 40% better value per gigabyte.
What is the price per GB of WD_BLACK SN850X 4TB NVMe SSD - M.2 2280, Up to 7,300 MB/s Read speeds, Up to 6,300 MB/s write speeds, Gaming Expansion, High Performance Internal Solid State Drive - WDS400T2X0E?
The WD_BLACK SN850X 4TB NVMe SSD - M.2 2280, Up to 7,300 MB/s Read speeds, Up to 6,300 MB/s write speeds, Gaming Expansion, High Performance Internal Solid State Drive - WDS400T2X0E is currently priced at $0.1673/GB ($669.00 for 4 TB) at Amazon.
Where can I buy Crucial - X10 4TB External USB-C SSD - Blue for the cheapest price?
The cheapest price for the Crucial - X10 4TB External USB-C SSD - Blue is $399.99 at Best Buy, which works out to $0.1000/GB.