The SSK Portable SSD 4TB External Solid State Drives, up to 1050MB/s USB C SSD External Hard Drive USB 3.2 Gen2 for iPhone 15/Pro, Windows, Mac, Android Phones and Tablets costs $0.1050/GB while the WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe costs $0.1500/GB. SSK Portable SSD 4TB External Solid State Drives, up to 1050MB/s USB C SSD External Hard Drive USB 3.2 Gen2 for iPhone 15/Pro, Windows, Mac, Android Phones and Tablets offers 30% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SSK Portable SSD 4TB External Solid State Drives, up to 1050MB/s USB C SSD External Hard Drive USB 3.2 Gen2 for iPhone 15/Pro, Windows, Mac, Android Phones and Tablets vs WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe — Which Is Better Value?
WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe
Specification Comparison
| Spec | SSK Portable SSD 4TB External Solid State Drives, up to 1050MB/s USB C SSD External Hard Drive USB 3.2 Gen2 for iPhone 15/Pro, Windows, Mac, Android Phones and Tablets | WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe |
|---|---|---|
| Brand | SSK | Western Digital |
| Capacity | 4 TB | 4 TB |
| $/GB | $0.1050 | $0.1500 |
| Price | $419.99 | $599.99 |
| Retailer | Amazon | Best Buy |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | nvme |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the SSK Portable SSD 4TB External Solid State Drives, up to 1050MB/s USB C SSD External Hard Drive USB 3.2 Gen2 for iPhone 15/Pro, Windows, Mac, Android Phones and Tablets offers better value at $0.1050//GB compared to the WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe at $0.1500//GB — that's roughly 30% less per gigabyte.
The best deal for the SSK Portable SSD 4TB External Solid State Drives, up to 1050MB/s USB C SSD External Hard Drive USB 3.2 Gen2 for iPhone 15/Pro, Windows, Mac, Android Phones and Tablets is $419.99 at Amazon, while the WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe starts at $599.99 at Best Buy.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each SSK Portable SSD 4TB External Solid State Drives, up to 1050MB/s USB C SSD External Hard Drive USB 3.2 Gen2 for iPhone 15/Pro, Windows, Mac, Android Phones and Tablets and WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe product page for detailed specifications and price history.
Frequently Asked Questions
Is SSK Portable SSD 4TB External Solid State Drives, up to 1050MB/s USB C SSD External Hard Drive USB 3.2 Gen2 for iPhone 15/Pro, Windows, Mac, Android Phones and Tablets or WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe a better deal?
As of May 2026, SSK Portable SSD 4TB External Solid State Drives, up to 1050MB/s USB C SSD External Hard Drive USB 3.2 Gen2 for iPhone 15/Pro, Windows, Mac, Android Phones and Tablets offers better value at $0.1050//GB compared to WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe at $0.1500//GB. That is approximately 30% better value per gigabyte.
What is the price per GB of SSK Portable SSD 4TB External Solid State Drives, up to 1050MB/s USB C SSD External Hard Drive USB 3.2 Gen2 for iPhone 15/Pro, Windows, Mac, Android Phones and Tablets?
The SSK Portable SSD 4TB External Solid State Drives, up to 1050MB/s USB C SSD External Hard Drive USB 3.2 Gen2 for iPhone 15/Pro, Windows, Mac, Android Phones and Tablets is currently priced at $0.1050/GB ($419.99 for 4 TB) at Amazon.
Where can I buy WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe for the cheapest price?
The cheapest price for the WD - BLACK SN850X 4TB Internal SSD PCIe Gen 4 x4 NVMe is $599.99 at Best Buy, which works out to $0.1500/GB.