The Crucial - X10 4TB External USB-C SSD - Blue costs $0.1000/GB while the WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe costs $0.1500/GB. Crucial - X10 4TB External USB-C SSD - Blue offers 33% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Crucial - X10 4TB External USB-C SSD - Blue vs WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe — Which Is Better Value?
Crucial - X10 4TB External USB-C SSD - Blue
WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe
Specification Comparison
| Spec | Crucial - X10 4TB External USB-C SSD - Blue | WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe |
|---|---|---|
| Brand | Crucial | Western Digital |
| Capacity | 4 TB | 4 TB |
| $/GB | $0.1000 | $0.1500 |
| Price | $399.99 | $599.99 |
| Retailer | Best Buy | Best Buy |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | nvme |
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 Internal SSD PCIe Gen 4 x4 NVMe at $0.1500//GB — that's roughly 33% 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 Internal SSD PCIe Gen 4 x4 NVMe starts at $599.99 at Best Buy.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Crucial - X10 4TB External USB-C SSD - Blue and WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe product page for detailed specifications and price history.
Frequently Asked Questions
Is Crucial - X10 4TB External USB-C SSD - Blue or WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe 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 Internal SSD PCIe Gen 4 x4 NVMe at $0.1500//GB. That is approximately 33% better value per gigabyte.
What is the price per GB of Crucial - X10 4TB External USB-C SSD - Blue?
The Crucial - X10 4TB External USB-C SSD - Blue is currently priced at $0.1000/GB ($399.99 for 4 TB) at Best Buy.
Where can I buy WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe for the cheapest price?
The cheapest price for the WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe is $599.99 at Best Buy, which works out to $0.1500/GB.