The Crucial - X6 SE 1TB External USB-C/USB-A Portable SSD - Black costs $0.1000/GB while the Silicon Power 1TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,800 MB/s (SP01KGBP44UD9005) costs $0.1700/GB. Crucial - X6 SE 1TB External USB-C/USB-A Portable SSD - Black offers 41% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Crucial - X6 SE 1TB External USB-C/USB-A Portable SSD - Black vs Silicon Power 1TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,800 MB/s (SP01KGBP44UD9005) — Which Is Better Value?
Specification Comparison
| Spec | Crucial - X6 SE 1TB External USB-C/USB-A Portable SSD - Black | Silicon Power 1TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,800 MB/s (SP01KGBP44UD9005) |
|---|---|---|
| Brand | Crucial | SP Silicon Power |
| Capacity | 1 TB | 1 TB |
| $/GB | $0.1000 | $0.1700 |
| Price | $99.99 | $169.97 |
| Retailer | Best Buy | Amazon |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | nvme |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the Crucial - X6 SE 1TB External USB-C/USB-A Portable SSD - Black offers better value at $0.1000//GB compared to the Silicon Power 1TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,800 MB/s (SP01KGBP44UD9005) at $0.1700//GB — that's roughly 41% less per gigabyte.
The best deal for the Crucial - X6 SE 1TB External USB-C/USB-A Portable SSD - Black is $99.99 at Best Buy, while the Silicon Power 1TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,800 MB/s (SP01KGBP44UD9005) starts at $169.97 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 - X6 SE 1TB External USB-C/USB-A Portable SSD - Black and Silicon Power 1TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,800 MB/s (SP01KGBP44UD9005) product page for detailed specifications and price history.
Frequently Asked Questions
Is Crucial - X6 SE 1TB External USB-C/USB-A Portable SSD - Black or Silicon Power 1TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,800 MB/s (SP01KGBP44UD9005) a better deal?
As of May 2026, Crucial - X6 SE 1TB External USB-C/USB-A Portable SSD - Black offers better value at $0.1000//GB compared to Silicon Power 1TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,800 MB/s (SP01KGBP44UD9005) at $0.1700//GB. That is approximately 41% better value per gigabyte.
What is the price per GB of Crucial - X6 SE 1TB External USB-C/USB-A Portable SSD - Black?
The Crucial - X6 SE 1TB External USB-C/USB-A Portable SSD - Black is currently priced at $0.1000/GB ($99.99 for 1 TB) at Best Buy.
Where can I buy Silicon Power 1TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,800 MB/s (SP01KGBP44UD9005) for the cheapest price?
The cheapest price for the Silicon Power 1TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,800 MB/s (SP01KGBP44UD9005) is $169.97 at Amazon, which works out to $0.1700/GB.