The Crucial X9 4TB Portable SSD, Up to 1050MB/s, USB 3.2 USB-C, External Solid State Drive, Compatible with Windows, Mac, & Android, Reliable Storage for Games, Files, & Backups, Black - CT4000X9SSD902 costs $0.0934/GB while the WD _Black SN850X 4TB NVMe PCIe 4.0 x4 M.2 Internal Gaming SSD with Heatsink costs $0.1700/GB. Crucial X9 4TB Portable SSD, Up to 1050MB/s, USB 3.2 USB-C, External Solid State Drive, Compatible with Windows, Mac, & Android, Reliable Storage for Games, Files, & Backups, Black - CT4000X9SSD902 offers 45% better value per gigabyte as of April 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Crucial X9 4TB Portable SSD, Up to 1050MB/s, USB 3.2 USB-C, External Solid State Drive, Compatible with Windows, Mac, & Android, Reliable Storage for Games, Files, & Backups, Black - CT4000X9SSD902 vs WD _Black SN850X 4TB NVMe PCIe 4.0 x4 M.2 Internal Gaming SSD with Heatsink — Which Is Better Value?
WD _Black SN850X 4TB NVMe PCIe 4.0 x4 M.2 Internal Gaming SSD with Heatsink
Specification Comparison
| Spec | Crucial X9 4TB Portable SSD, Up to 1050MB/s, USB 3.2 USB-C, External Solid State Drive, Compatible with Windows, Mac, & Android, Reliable Storage for Games, Files, & Backups, Black - CT4000X9SSD902 | WD _Black SN850X 4TB NVMe PCIe 4.0 x4 M.2 Internal Gaming SSD with Heatsink |
|---|---|---|
| Brand | Crucial | Western Digital |
| Capacity | 4 TB | 4 TB |
| $/GB | $0.0934 | $0.1700 |
| Price | $373.75 | $679.99 |
| Retailer | Amazon | Amazon |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | N/A |
Price Across Retailers
Crucial X9 4TB Portable SSD, Up to 1050MB/s, USB 3.2 USB-C, External Solid State Drive, Compatible with Windows, Mac, & Android, Reliable Storage for Games, Files, & Backups, Black - CT4000X9SSD902
WD _Black SN850X 4TB NVMe PCIe 4.0 x4 M.2 Internal Gaming SSD with Heatsink
Which Should You Buy?
Based on current pricing data, the Crucial X9 4TB Portable SSD, Up to 1050MB/s, USB 3.2 USB-C, External Solid State Drive, Compatible with Windows, Mac, & Android, Reliable Storage for Games, Files, & Backups, Black - CT4000X9SSD902 offers better value at $0.0934//GB compared to the WD _Black SN850X 4TB NVMe PCIe 4.0 x4 M.2 Internal Gaming SSD with Heatsink at $0.1700//GB — that's roughly 45% less per gigabyte.
The best deal for the Crucial X9 4TB Portable SSD, Up to 1050MB/s, USB 3.2 USB-C, External Solid State Drive, Compatible with Windows, Mac, & Android, Reliable Storage for Games, Files, & Backups, Black - CT4000X9SSD902 is $373.75 at Amazon, while the WD _Black SN850X 4TB NVMe PCIe 4.0 x4 M.2 Internal Gaming SSD with Heatsink starts at $679.99 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Crucial X9 4TB Portable SSD, Up to 1050MB/s, USB 3.2 USB-C, External Solid State Drive, Compatible with Windows, Mac, & Android, Reliable Storage for Games, Files, & Backups, Black - CT4000X9SSD902 and WD _Black SN850X 4TB NVMe PCIe 4.0 x4 M.2 Internal Gaming SSD with Heatsink product page for detailed specifications and price history.
Frequently Asked Questions
Is Crucial X9 4TB Portable SSD, Up to 1050MB/s, USB 3.2 USB-C, External Solid State Drive, Compatible with Windows, Mac, & Android, Reliable Storage for Games, Files, & Backups, Black - CT4000X9SSD902 or WD _Black SN850X 4TB NVMe PCIe 4.0 x4 M.2 Internal Gaming SSD with Heatsink a better deal?
As of April 2026, Crucial X9 4TB Portable SSD, Up to 1050MB/s, USB 3.2 USB-C, External Solid State Drive, Compatible with Windows, Mac, & Android, Reliable Storage for Games, Files, & Backups, Black - CT4000X9SSD902 offers better value at $0.0934//GB compared to WD _Black SN850X 4TB NVMe PCIe 4.0 x4 M.2 Internal Gaming SSD with Heatsink at $0.1700//GB. That is approximately 45% better value per gigabyte.
What is the price per GB of Crucial X9 4TB Portable SSD, Up to 1050MB/s, USB 3.2 USB-C, External Solid State Drive, Compatible with Windows, Mac, & Android, Reliable Storage for Games, Files, & Backups, Black - CT4000X9SSD902?
The Crucial X9 4TB Portable SSD, Up to 1050MB/s, USB 3.2 USB-C, External Solid State Drive, Compatible with Windows, Mac, & Android, Reliable Storage for Games, Files, & Backups, Black - CT4000X9SSD902 is currently priced at $0.0934/GB ($373.75 for 4 TB) at Amazon.
Where can I buy WD _Black SN850X 4TB NVMe PCIe 4.0 x4 M.2 Internal Gaming SSD with Heatsink for the cheapest price?
The cheapest price for the WD _Black SN850X 4TB NVMe PCIe 4.0 x4 M.2 Internal Gaming SSD with Heatsink is $679.99 at Amazon, which works out to $0.1700/GB.