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 2TB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade costs $0.1100/GB. KingSpec 2TB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade offers 12% better value per gigabyte as of May 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 2TB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade — 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 2TB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade |
|---|---|---|
| Brand | BIWIN | KingSpec |
| Capacity | 2 TB | 2 TB |
| $/GB | $0.1250 | $0.1100 |
| Price | $249.99 | $219.99 |
| Retailer | Amazon | Amazon |
| 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 2TB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade
Which Should You Buy?
Based on current pricing data, the KingSpec 2TB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade offers better value at $0.1100//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 12% less per gigabyte.
The best deal for the KingSpec 2TB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade is $219.99 at Amazon, 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 2TB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade 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 2TB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade a better deal?
As of May 2026, KingSpec 2TB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade offers better value at $0.1100//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 12% 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 2TB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade for the cheapest price?
The cheapest price for the KingSpec 2TB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade is $219.99 at Amazon, which works out to $0.1100/GB.