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 NVMe SSD - M.2 2280, Up to 7,300 MB/s Read speeds, Up to 6,300 MB/s write speeds, Gaming Expansion, High Performance Internal Solid State Drive - WDS400T2X0E costs $0.1673/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 37% 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 NVMe SSD - M.2 2280, Up to 7,300 MB/s Read speeds, Up to 6,300 MB/s write speeds, Gaming Expansion, High Performance Internal Solid State Drive - WDS400T2X0E — Which Is Better Value?
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 NVMe SSD - M.2 2280, Up to 7,300 MB/s Read speeds, Up to 6,300 MB/s write speeds, Gaming Expansion, High Performance Internal Solid State Drive - WDS400T2X0E |
|---|---|---|
| Brand | SSK | SanDisk |
| Capacity | 4 TB | 4 TB |
| $/GB | $0.1050 | $0.1673 |
| Price | $419.99 | $669.00 |
| Retailer | Amazon | Amazon |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | nvme |
Price Across Retailers
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 NVMe SSD - M.2 2280, Up to 7,300 MB/s Read speeds, Up to 6,300 MB/s write speeds, Gaming Expansion, High Performance Internal Solid State Drive - WDS400T2X0E
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 NVMe SSD - M.2 2280, Up to 7,300 MB/s Read speeds, Up to 6,300 MB/s write speeds, Gaming Expansion, High Performance Internal Solid State Drive - WDS400T2X0E at $0.1673//GB — that's roughly 37% 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 NVMe SSD - M.2 2280, Up to 7,300 MB/s Read speeds, Up to 6,300 MB/s write speeds, Gaming Expansion, High Performance Internal Solid State Drive - WDS400T2X0E starts at $669.00 at Amazon.
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 NVMe SSD - M.2 2280, Up to 7,300 MB/s Read speeds, Up to 6,300 MB/s write speeds, Gaming Expansion, High Performance Internal Solid State Drive - WDS400T2X0E 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 NVMe SSD - M.2 2280, Up to 7,300 MB/s Read speeds, Up to 6,300 MB/s write speeds, Gaming Expansion, High Performance Internal Solid State Drive - WDS400T2X0E 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 NVMe SSD - M.2 2280, Up to 7,300 MB/s Read speeds, Up to 6,300 MB/s write speeds, Gaming Expansion, High Performance Internal Solid State Drive - WDS400T2X0E at $0.1673//GB. That is approximately 37% 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 NVMe SSD - M.2 2280, Up to 7,300 MB/s Read speeds, Up to 6,300 MB/s write speeds, Gaming Expansion, High Performance Internal Solid State Drive - WDS400T2X0E for the cheapest price?
The cheapest price for the WD_BLACK SN850X 4TB NVMe SSD - M.2 2280, Up to 7,300 MB/s Read speeds, Up to 6,300 MB/s write speeds, Gaming Expansion, High Performance Internal Solid State Drive - WDS400T2X0E is $669.00 at Amazon, which works out to $0.1673/GB.