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 $0.0932/GB while the Western Digital WD Red SA500 2.5' 4TB SATA III 3D NAND Internal Solid State Drive (SSD) WDS400T1R0A costs $0.2114/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 56% better value per gigabyte as of June 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 Western Digital WD Red SA500 2.5' 4TB SATA III 3D NAND Internal Solid State Drive (SSD) WDS400T1R0A — Which Is Better Value?
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 | Western Digital WD Red SA500 2.5' 4TB SATA III 3D NAND Internal Solid State Drive (SSD) WDS400T1R0A |
|---|---|---|
| Brand | Crucial | Western Digital |
| Capacity | 4 TB | 4TB |
| $/GB | $0.0932 | $0.2114 |
| Price | $372.84 | $845.49 |
| Retailer | Amazon | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | ssd |
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
Western Digital WD Red SA500 2.5' 4TB SATA III 3D NAND Internal Solid State Drive (SSD) WDS400T1R0A
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 $0.0932//GB compared to the Western Digital WD Red SA500 2.5' 4TB SATA III 3D NAND Internal Solid State Drive (SSD) WDS400T1R0A at $0.2114//GB — that's roughly 56% 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 $372.84 at Amazon, while the Western Digital WD Red SA500 2.5' 4TB SATA III 3D NAND Internal Solid State Drive (SSD) WDS400T1R0A starts at $845.49 at Newegg.
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 Western Digital WD Red SA500 2.5' 4TB SATA III 3D NAND Internal Solid State Drive (SSD) WDS400T1R0A 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 Western Digital WD Red SA500 2.5' 4TB SATA III 3D NAND Internal Solid State Drive (SSD) WDS400T1R0A a better deal?
As of June 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 $0.0932//GB compared to Western Digital WD Red SA500 2.5' 4TB SATA III 3D NAND Internal Solid State Drive (SSD) WDS400T1R0A at $0.2114//GB. That is approximately 56% 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 $0.0932/GB ($372.84 for 4 TB) at Amazon.
Where can I buy Western Digital WD Red SA500 2.5' 4TB SATA III 3D NAND Internal Solid State Drive (SSD) WDS400T1R0A for the cheapest price?
The cheapest price for the Western Digital WD Red SA500 2.5' 4TB SATA III 3D NAND Internal Solid State Drive (SSD) WDS400T1R0A is $845.49 at Newegg, which works out to $0.2114/GB.