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 while the WD - BLACK SN7100 2TB Internal SSD Gen 4 x4 NVMe costs $0.1500/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 27% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
KingSpec 2TB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade vs WD - BLACK SN7100 2TB Internal SSD Gen 4 x4 NVMe — Which Is Better Value?
WD - BLACK SN7100 2TB Internal SSD Gen 4 x4 NVMe
Specification Comparison
| Spec | KingSpec 2TB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade | WD - BLACK SN7100 2TB Internal SSD Gen 4 x4 NVMe |
|---|---|---|
| Brand | KingSpec | Western Digital |
| Capacity | 2 TB | 2 TB |
| $/GB | $0.1100 | $0.1500 |
| Price | $219.99 | $299.99 |
| Retailer | Amazon | Best Buy |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | nvme |
Price Across Retailers
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 WD - BLACK SN7100 2TB Internal SSD Gen 4 x4 NVMe at $0.1500//GB — that's roughly 27% 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 WD - BLACK SN7100 2TB Internal SSD Gen 4 x4 NVMe starts at $299.99 at Best Buy.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each KingSpec 2TB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade and WD - BLACK SN7100 2TB Internal SSD Gen 4 x4 NVMe product page for detailed specifications and price history.
Frequently Asked Questions
Is KingSpec 2TB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade or WD - BLACK SN7100 2TB Internal SSD Gen 4 x4 NVMe 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 WD - BLACK SN7100 2TB Internal SSD Gen 4 x4 NVMe at $0.1500//GB. That is approximately 27% better value per gigabyte.
What is the price per GB of KingSpec 2TB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade?
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 currently priced at $0.1100/GB ($219.99 for 2 TB) at Amazon.
Where can I buy WD - BLACK SN7100 2TB Internal SSD Gen 4 x4 NVMe for the cheapest price?
The cheapest price for the WD - BLACK SN7100 2TB Internal SSD Gen 4 x4 NVMe is $299.99 at Best Buy, which works out to $0.1500/GB.