The BIWIN Black Opal NV7400 2TB SSD Gen4x4, Read Speed up to 7450MB/s, NVMe M.2 2280 PCIe 4.0 Internal PC Solid State Drive for Laptop/Desktop/PS5 costs $0.1250/GB while the KingSpec Z5 Portable SSD With RGB 2TB - Up to 2100 MB/s - USB 3.2 Gen 2 - Type-c, 20Gbps, External Solid State Drive, for Photographers, Content... costs $0.0865/GB. KingSpec Z5 Portable SSD With RGB 2TB - Up to 2100 MB/s - USB 3.2 Gen 2 - Type-c, 20Gbps, External Solid State Drive, for Photographers, Content... offers 31% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
BIWIN Black Opal NV7400 2TB SSD Gen4x4, Read Speed up to 7450MB/s, NVMe M.2 2280 PCIe 4.0 Internal PC Solid State Drive for Laptop/Desktop/PS5 vs KingSpec Z5 Portable SSD With RGB 2TB - Up to 2100 MB/s - USB 3.2 Gen 2 - Type-c, 20Gbps, External Solid State Drive, for Photographers, Content... — Which Is Better Value?
Specification Comparison
| Spec | BIWIN Black Opal NV7400 2TB SSD Gen4x4, Read Speed up to 7450MB/s, NVMe M.2 2280 PCIe 4.0 Internal PC Solid State Drive for Laptop/Desktop/PS5 | KingSpec Z5 Portable SSD With RGB 2TB - Up to 2100 MB/s - USB 3.2 Gen 2 - Type-c, 20Gbps, External Solid State Drive, for Photographers, Content... |
|---|---|---|
| Brand | BIWIN | KingSpec |
| Capacity | 2 TB | 2TB |
| $/GB | $0.1250 | $0.0865 |
| Price | $249.99 | $172.99 |
| Retailer | Amazon | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | nvme | ssd |
Price Across Retailers
BIWIN Black Opal NV7400 2TB SSD Gen4x4, Read Speed up to 7450MB/s, NVMe M.2 2280 PCIe 4.0 Internal PC Solid State Drive for Laptop/Desktop/PS5
KingSpec Z5 Portable SSD With RGB 2TB - Up to 2100 MB/s - USB 3.2 Gen 2 - Type-c, 20Gbps, External Solid State Drive, for Photographers, Content...
Which Should You Buy?
Based on current pricing data, the KingSpec Z5 Portable SSD With RGB 2TB - Up to 2100 MB/s - USB 3.2 Gen 2 - Type-c, 20Gbps, External Solid State Drive, for Photographers, Content... offers better value at $0.0865//GB compared to the BIWIN Black Opal NV7400 2TB SSD Gen4x4, Read Speed up to 7450MB/s, NVMe M.2 2280 PCIe 4.0 Internal PC Solid State Drive for Laptop/Desktop/PS5 at $0.1250//GB — that's roughly 31% less per gigabyte.
The best deal for the KingSpec Z5 Portable SSD With RGB 2TB - Up to 2100 MB/s - USB 3.2 Gen 2 - Type-c, 20Gbps, External Solid State Drive, for Photographers, Content... is $172.99 at Newegg, while the BIWIN Black Opal NV7400 2TB SSD Gen4x4, Read Speed up to 7450MB/s, NVMe M.2 2280 PCIe 4.0 Internal PC Solid State Drive for Laptop/Desktop/PS5 starts at $249.99 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each BIWIN Black Opal NV7400 2TB SSD Gen4x4, Read Speed up to 7450MB/s, NVMe M.2 2280 PCIe 4.0 Internal PC Solid State Drive for Laptop/Desktop/PS5 and KingSpec Z5 Portable SSD With RGB 2TB - Up to 2100 MB/s - USB 3.2 Gen 2 - Type-c, 20Gbps, External Solid State Drive, for Photographers, Content... product page for detailed specifications and price history.
Frequently Asked Questions
Is BIWIN Black Opal NV7400 2TB SSD Gen4x4, Read Speed up to 7450MB/s, NVMe M.2 2280 PCIe 4.0 Internal PC Solid State Drive for Laptop/Desktop/PS5 or KingSpec Z5 Portable SSD With RGB 2TB - Up to 2100 MB/s - USB 3.2 Gen 2 - Type-c, 20Gbps, External Solid State Drive, for Photographers, Content... a better deal?
As of June 2026, KingSpec Z5 Portable SSD With RGB 2TB - Up to 2100 MB/s - USB 3.2 Gen 2 - Type-c, 20Gbps, External Solid State Drive, for Photographers, Content... offers better value at $0.0865//GB compared to BIWIN Black Opal NV7400 2TB SSD Gen4x4, Read Speed up to 7450MB/s, NVMe M.2 2280 PCIe 4.0 Internal PC Solid State Drive for Laptop/Desktop/PS5 at $0.1250//GB. That is approximately 31% better value per gigabyte.
What is the price per GB of BIWIN Black Opal NV7400 2TB SSD Gen4x4, Read Speed up to 7450MB/s, NVMe M.2 2280 PCIe 4.0 Internal PC Solid State Drive for Laptop/Desktop/PS5?
The BIWIN Black Opal NV7400 2TB SSD Gen4x4, Read Speed up to 7450MB/s, NVMe M.2 2280 PCIe 4.0 Internal PC Solid State Drive for Laptop/Desktop/PS5 is currently priced at $0.1250/GB ($249.99 for 2 TB) at Amazon.
Where can I buy KingSpec Z5 Portable SSD With RGB 2TB - Up to 2100 MB/s - USB 3.2 Gen 2 - Type-c, 20Gbps, External Solid State Drive, for Photographers, Content... for the cheapest price?
The cheapest price for the KingSpec Z5 Portable SSD With RGB 2TB - Up to 2100 MB/s - USB 3.2 Gen 2 - Type-c, 20Gbps, External Solid State Drive, for Photographers, Content... is $172.99 at Newegg, which works out to $0.0865/GB.