The fanxiang 500GB NVMe SSD PCIe Gen4 M.2 SSD, Up to 4700 MB/s, Internal Gaming SSD for PS5, 3D NAND SLC Cache Solid State Drive Upgrade Storage for PC/Laptops S690Q costs $0.1920/GB while the WD - Purple 4TB Surveillance Internal Hard Drive costs $0.0262/GB. WD - Purple 4TB Surveillance Internal Hard Drive offers 86% better value per gigabyte as of March 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
fanxiang 500GB NVMe SSD PCIe Gen4 M.2 SSD, Up to 4700 MB/s, Internal Gaming SSD for PS5, 3D NAND SLC Cache Solid State Drive Upgrade Storage for PC/Laptops S690Q vs WD - Purple 4TB Surveillance Internal Hard Drive — Which Is Better Value?
WD - Purple 4TB Surveillance Internal Hard Drive
Specification Comparison
| Spec | fanxiang 500GB NVMe SSD PCIe Gen4 M.2 SSD, Up to 4700 MB/s, Internal Gaming SSD for PS5, 3D NAND SLC Cache Solid State Drive Upgrade Storage for PC/Laptops S690Q | WD - Purple 4TB Surveillance Internal Hard Drive |
|---|---|---|
| Brand | fanxiang | Western Digital |
| Capacity | 500 GB | 4 TB |
| $/GB | $0.1920 | $0.0262 |
| Price | $95.99 | $104.99 |
| Retailer | Amazon | Best Buy |
| Category | Hard Drives & SSDs | Hard Drives & SSDs |
| Subcategory | nvme | hdd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the WD - Purple 4TB Surveillance Internal Hard Drive offers better value at $0.0262//GB compared to the fanxiang 500GB NVMe SSD PCIe Gen4 M.2 SSD, Up to 4700 MB/s, Internal Gaming SSD for PS5, 3D NAND SLC Cache Solid State Drive Upgrade Storage for PC/Laptops S690Q at $0.1920//GB — that's roughly 86% less per gigabyte.
The best deal for the WD - Purple 4TB Surveillance Internal Hard Drive is $104.99 at Best Buy, while the fanxiang 500GB NVMe SSD PCIe Gen4 M.2 SSD, Up to 4700 MB/s, Internal Gaming SSD for PS5, 3D NAND SLC Cache Solid State Drive Upgrade Storage for PC/Laptops S690Q starts at $95.99 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each fanxiang 500GB NVMe SSD PCIe Gen4 M.2 SSD, Up to 4700 MB/s, Internal Gaming SSD for PS5, 3D NAND SLC Cache Solid State Drive Upgrade Storage for PC/Laptops S690Q and WD - Purple 4TB Surveillance Internal Hard Drive product page for detailed specifications and price history.
Frequently Asked Questions
Is fanxiang 500GB NVMe SSD PCIe Gen4 M.2 SSD, Up to 4700 MB/s, Internal Gaming SSD for PS5, 3D NAND SLC Cache Solid State Drive Upgrade Storage for PC/Laptops S690Q or WD - Purple 4TB Surveillance Internal Hard Drive a better deal?
As of March 2026, WD - Purple 4TB Surveillance Internal Hard Drive offers better value at $0.0262//GB compared to fanxiang 500GB NVMe SSD PCIe Gen4 M.2 SSD, Up to 4700 MB/s, Internal Gaming SSD for PS5, 3D NAND SLC Cache Solid State Drive Upgrade Storage for PC/Laptops S690Q at $0.1920//GB. That is approximately 86% better value per gigabyte.
What is the price per GB of fanxiang 500GB NVMe SSD PCIe Gen4 M.2 SSD, Up to 4700 MB/s, Internal Gaming SSD for PS5, 3D NAND SLC Cache Solid State Drive Upgrade Storage for PC/Laptops S690Q?
The fanxiang 500GB NVMe SSD PCIe Gen4 M.2 SSD, Up to 4700 MB/s, Internal Gaming SSD for PS5, 3D NAND SLC Cache Solid State Drive Upgrade Storage for PC/Laptops S690Q is currently priced at $0.1920/GB ($95.99 for 500 GB) at Amazon.
Where can I buy WD - Purple 4TB Surveillance Internal Hard Drive for the cheapest price?
The cheapest price for the WD - Purple 4TB Surveillance Internal Hard Drive is $104.99 at Best Buy, which works out to $0.0262/GB.