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 SanDisk Optimus GX 7100 M.2 2280-S3-M 4TB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP71400TAN-000E0 costs $0.3000/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 69% 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 SanDisk Optimus GX 7100 M.2 2280-S3-M 4TB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP71400TAN-000E0 — 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 | SanDisk Optimus GX 7100 M.2 2280-S3-M 4TB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP71400TAN-000E0 |
|---|---|---|
| Brand | Crucial | SanDisk |
| Capacity | 4 TB | 4TB |
| $/GB | $0.0932 | $0.3000 |
| Price | $372.84 | $1199.99 |
| 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
SanDisk Optimus GX 7100 M.2 2280-S3-M 4TB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP71400TAN-000E0
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 SanDisk Optimus GX 7100 M.2 2280-S3-M 4TB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP71400TAN-000E0 at $0.3000//GB — that's roughly 69% 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 SanDisk Optimus GX 7100 M.2 2280-S3-M 4TB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP71400TAN-000E0 starts at $1199.99 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 SanDisk Optimus GX 7100 M.2 2280-S3-M 4TB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP71400TAN-000E0 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 SanDisk Optimus GX 7100 M.2 2280-S3-M 4TB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP71400TAN-000E0 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 SanDisk Optimus GX 7100 M.2 2280-S3-M 4TB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP71400TAN-000E0 at $0.3000//GB. That is approximately 69% 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 SanDisk Optimus GX 7100 M.2 2280-S3-M 4TB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP71400TAN-000E0 for the cheapest price?
The cheapest price for the SanDisk Optimus GX 7100 M.2 2280-S3-M 4TB PCI-Express 4.0 x4 3D NAND TLC Internal Solid State Drive (SSD) SDSP71400TAN-000E0 is $1199.99 at Newegg, which works out to $0.3000/GB.