The SanDisk Optimus 5100 M.2 2280 4TB PCI-Express 4.0 x4 QLC 3D CBA NAND Internal Solid State Drive (SSD) SDSP51400TAN-000E0 costs $0.3500/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 $0.0932/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 73% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SanDisk Optimus 5100 M.2 2280 4TB PCI-Express 4.0 x4 QLC 3D CBA NAND Internal Solid State Drive (SSD) SDSP51400TAN-000E0 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
| Spec | SanDisk Optimus 5100 M.2 2280 4TB PCI-Express 4.0 x4 QLC 3D CBA NAND Internal Solid State Drive (SSD) SDSP51400TAN-000E0 | 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 |
|---|---|---|
| Brand | SanDisk | Crucial |
| Capacity | 4TB | 4 TB |
| $/GB | $0.3500 | $0.0932 |
| Price | $1399.99 | $372.84 |
| Retailer | Newegg | Amazon |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | ssd |
Price Across Retailers
SanDisk Optimus 5100 M.2 2280 4TB PCI-Express 4.0 x4 QLC 3D CBA NAND Internal Solid State Drive (SSD) SDSP51400TAN-000E0
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 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 5100 M.2 2280 4TB PCI-Express 4.0 x4 QLC 3D CBA NAND Internal Solid State Drive (SSD) SDSP51400TAN-000E0 at $0.3500//GB — that's roughly 73% 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 5100 M.2 2280 4TB PCI-Express 4.0 x4 QLC 3D CBA NAND Internal Solid State Drive (SSD) SDSP51400TAN-000E0 starts at $1399.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each SanDisk Optimus 5100 M.2 2280 4TB PCI-Express 4.0 x4 QLC 3D CBA NAND Internal Solid State Drive (SSD) SDSP51400TAN-000E0 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 SanDisk Optimus 5100 M.2 2280 4TB PCI-Express 4.0 x4 QLC 3D CBA NAND Internal Solid State Drive (SSD) SDSP51400TAN-000E0 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 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 5100 M.2 2280 4TB PCI-Express 4.0 x4 QLC 3D CBA NAND Internal Solid State Drive (SSD) SDSP51400TAN-000E0 at $0.3500//GB. That is approximately 73% better value per gigabyte.
What is the price per GB of SanDisk Optimus 5100 M.2 2280 4TB PCI-Express 4.0 x4 QLC 3D CBA NAND Internal Solid State Drive (SSD) SDSP51400TAN-000E0?
The SanDisk Optimus 5100 M.2 2280 4TB PCI-Express 4.0 x4 QLC 3D CBA NAND Internal Solid State Drive (SSD) SDSP51400TAN-000E0 is currently priced at $0.3500/GB ($1399.99 for 4TB) at Newegg.
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 $372.84 at Amazon, which works out to $0.0932/GB.