The WD_Black SN850X 4TB NVMe SSD with Heatsink - 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 - WDS400T2XHE costs $0.1700/GB while the Fikwot FX815 4TB SSD, 2.5" SATA SSD, Internal Solid State Drive, Up to 560MB/s, 3D NAND SLC Cashe, Compatible with Laptop & PC Desktop costs $0.0925/GB. Fikwot FX815 4TB SSD, 2.5" SATA SSD, Internal Solid State Drive, Up to 560MB/s, 3D NAND SLC Cashe, Compatible with Laptop & PC Desktop offers 46% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD_Black SN850X 4TB NVMe SSD with Heatsink - 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 - WDS400T2XHE vs Fikwot FX815 4TB SSD, 2.5" SATA SSD, Internal Solid State Drive, Up to 560MB/s, 3D NAND SLC Cashe, Compatible with Laptop & PC Desktop — Which Is Better Value?
Specification Comparison
| Spec | WD_Black SN850X 4TB NVMe SSD with Heatsink - 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 - WDS400T2XHE | Fikwot FX815 4TB SSD, 2.5" SATA SSD, Internal Solid State Drive, Up to 560MB/s, 3D NAND SLC Cashe, Compatible with Laptop & PC Desktop |
|---|---|---|
| Brand | SanDisk | Fikwot |
| Capacity | 4 TB | 4 TB |
| $/GB | $0.1700 | $0.0925 |
| Price | $679.99 | $369.99 |
| Retailer | Amazon | Amazon |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | nvme | ssd |
Price Across Retailers
WD_Black SN850X 4TB NVMe SSD with Heatsink - 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 - WDS400T2XHE
Fikwot FX815 4TB SSD, 2.5" SATA SSD, Internal Solid State Drive, Up to 560MB/s, 3D NAND SLC Cashe, Compatible with Laptop & PC Desktop
Which Should You Buy?
Based on current pricing data, the Fikwot FX815 4TB SSD, 2.5" SATA SSD, Internal Solid State Drive, Up to 560MB/s, 3D NAND SLC Cashe, Compatible with Laptop & PC Desktop offers better value at $0.0925//GB compared to the WD_Black SN850X 4TB NVMe SSD with Heatsink - 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 - WDS400T2XHE at $0.1700//GB — that's roughly 46% less per gigabyte.
The best deal for the Fikwot FX815 4TB SSD, 2.5" SATA SSD, Internal Solid State Drive, Up to 560MB/s, 3D NAND SLC Cashe, Compatible with Laptop & PC Desktop is $369.99 at Amazon, while the WD_Black SN850X 4TB NVMe SSD with Heatsink - 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 - WDS400T2XHE starts at $679.99 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each WD_Black SN850X 4TB NVMe SSD with Heatsink - 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 - WDS400T2XHE and Fikwot FX815 4TB SSD, 2.5" SATA SSD, Internal Solid State Drive, Up to 560MB/s, 3D NAND SLC Cashe, Compatible with Laptop & PC Desktop product page for detailed specifications and price history.
Frequently Asked Questions
Is WD_Black SN850X 4TB NVMe SSD with Heatsink - 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 - WDS400T2XHE or Fikwot FX815 4TB SSD, 2.5" SATA SSD, Internal Solid State Drive, Up to 560MB/s, 3D NAND SLC Cashe, Compatible with Laptop & PC Desktop a better deal?
As of May 2026, Fikwot FX815 4TB SSD, 2.5" SATA SSD, Internal Solid State Drive, Up to 560MB/s, 3D NAND SLC Cashe, Compatible with Laptop & PC Desktop offers better value at $0.0925//GB compared to WD_Black SN850X 4TB NVMe SSD with Heatsink - 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 - WDS400T2XHE at $0.1700//GB. That is approximately 46% better value per gigabyte.
What is the price per GB of WD_Black SN850X 4TB NVMe SSD with Heatsink - 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 - WDS400T2XHE?
The WD_Black SN850X 4TB NVMe SSD with Heatsink - 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 - WDS400T2XHE is currently priced at $0.1700/GB ($679.99 for 4 TB) at Amazon.
Where can I buy Fikwot FX815 4TB SSD, 2.5" SATA SSD, Internal Solid State Drive, Up to 560MB/s, 3D NAND SLC Cashe, Compatible with Laptop & PC Desktop for the cheapest price?
The cheapest price for the Fikwot FX815 4TB SSD, 2.5" SATA SSD, Internal Solid State Drive, Up to 560MB/s, 3D NAND SLC Cashe, Compatible with Laptop & PC Desktop is $369.99 at Amazon, which works out to $0.0925/GB.