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 while the WD - easystore 1TB External USB 3.0 Portable SSD - Black costs $0.1050/GB. WD - easystore 1TB External USB 3.0 Portable SSD - Black offers 38% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Silicon Power 1TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,800 MB/s (SP01KGBP44UD9005) vs WD - easystore 1TB External USB 3.0 Portable SSD - Black — Which Is Better Value?
WD - easystore 1TB External USB 3.0 Portable SSD - Black
Specification Comparison
| Spec | Silicon Power 1TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,800 MB/s (SP01KGBP44UD9005) | WD - easystore 1TB External USB 3.0 Portable SSD - Black |
|---|---|---|
| Brand | SP Silicon Power | Western Digital |
| Capacity | 1 TB | 1 TB |
| $/GB | $0.1700 | $0.1050 |
| Price | $169.97 | $104.99 |
| Retailer | Amazon | Best Buy |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | nvme | ssd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the WD - easystore 1TB External USB 3.0 Portable SSD - Black offers better value at $0.1050//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 38% less per gigabyte.
The best deal for the WD - easystore 1TB External USB 3.0 Portable SSD - Black is $104.99 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 Silicon Power 1TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,800 MB/s (SP01KGBP44UD9005) and WD - easystore 1TB External USB 3.0 Portable SSD - Black product page for detailed specifications and price history.
Frequently Asked Questions
Is Silicon Power 1TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,800 MB/s (SP01KGBP44UD9005) or WD - easystore 1TB External USB 3.0 Portable SSD - Black a better deal?
As of May 2026, WD - easystore 1TB External USB 3.0 Portable SSD - Black offers better value at $0.1050//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 38% better value per gigabyte.
What is the price per GB of Silicon Power 1TB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/4,800 MB/s (SP01KGBP44UD9005)?
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 currently priced at $0.1700/GB ($169.97 for 1 TB) at Amazon.
Where can I buy WD - easystore 1TB External USB 3.0 Portable SSD - Black for the cheapest price?
The cheapest price for the WD - easystore 1TB External USB 3.0 Portable SSD - Black is $104.99 at Best Buy, which works out to $0.1050/GB.