The Crucial BX500 4TB 3D NAND SATA 2.5-Inch Internal SSD, up to 540MB/s - CT4000BX500SSD1, Solid State Drive costs $0.0950/GB while 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 $0.0887/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 7% better value per gigabyte as of April 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.

Crucial BX500 4TB 3D NAND SATA 2.5-Inch Internal SSD, up to 540MB/s - CT4000BX500SSD1, Solid State Drive vs 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 — Which Is Better Value?

Specification Comparison

SpecCrucial BX500 4TB 3D NAND SATA 2.5-Inch Internal SSD, up to 540MB/s - CT4000BX500SSD1, Solid State DriveCrucial 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
BrandCrucialCrucial
Capacity4 TB4 TB
$/GB$0.0950$0.0887
Price$379.99$354.99
RetailerAmazonAmazon
CategorySSDs & NVMe DrivesSSDs & NVMe Drives
Subcategoryssdssd

Price Across Retailers

Crucial BX500 4TB 3D NAND SATA 2.5-Inch Internal SSD, up to 540MB/s - CT4000BX500SSD1, Solid State Drive

Amazon$0.0950//GB
$379.99Buy

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

Amazon$0.0887//GB
$354.99Buy

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 $0.0887//GB compared to the Crucial BX500 4TB 3D NAND SATA 2.5-Inch Internal SSD, up to 540MB/s - CT4000BX500SSD1, Solid State Drive at $0.0950//GB — that's roughly 7% 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 $354.99 at Amazon, while the Crucial BX500 4TB 3D NAND SATA 2.5-Inch Internal SSD, up to 540MB/s - CT4000BX500SSD1, Solid State Drive starts at $379.99 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 BX500 4TB 3D NAND SATA 2.5-Inch Internal SSD, up to 540MB/s - CT4000BX500SSD1, Solid State Drive and 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 product page for detailed specifications and price history.

Frequently Asked Questions

Is Crucial BX500 4TB 3D NAND SATA 2.5-Inch Internal SSD, up to 540MB/s - CT4000BX500SSD1, Solid State Drive or 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 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 $0.0887//GB compared to Crucial BX500 4TB 3D NAND SATA 2.5-Inch Internal SSD, up to 540MB/s - CT4000BX500SSD1, Solid State Drive at $0.0950//GB. That is approximately 7% better value per gigabyte.

What is the price per GB of Crucial BX500 4TB 3D NAND SATA 2.5-Inch Internal SSD, up to 540MB/s - CT4000BX500SSD1, Solid State Drive?

The Crucial BX500 4TB 3D NAND SATA 2.5-Inch Internal SSD, up to 540MB/s - CT4000BX500SSD1, Solid State Drive is currently priced at $0.0950/GB ($379.99 for 4 TB) at Amazon.

Where can I buy 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 for the cheapest price?

The cheapest price 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 $354.99 at Amazon, which works out to $0.0887/GB.

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