The KingSpec 128GB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade costs $0.2888/GB while the Silicon Power 1TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") SSD Internal Solid State Drive (SU001TBSS3A55S25EC) costs $0.1000/GB. Silicon Power 1TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") SSD Internal Solid State Drive (SU001TBSS3A55S25EC) offers 65% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
KingSpec 128GB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade vs Silicon Power 1TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") SSD Internal Solid State Drive (SU001TBSS3A55S25EC) — Which Is Better Value?
Specification Comparison
| Spec | KingSpec 128GB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade | Silicon Power 1TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") SSD Internal Solid State Drive (SU001TBSS3A55S25EC) |
|---|---|---|
| Brand | KingSpec | SP Silicon Power |
| Capacity | 128 GB | 1 TB |
| $/GB | $0.2888 | $0.1000 |
| Price | $36.97 | $99.99 |
| Retailer | Amazon | Amazon |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | ssd |
Price Across Retailers
KingSpec 128GB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade
Silicon Power 1TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") SSD Internal Solid State Drive (SU001TBSS3A55S25EC)
Which Should You Buy?
Based on current pricing data, the Silicon Power 1TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") SSD Internal Solid State Drive (SU001TBSS3A55S25EC) offers better value at $0.1000//GB compared to the KingSpec 128GB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade at $0.2888//GB — that's roughly 65% less per gigabyte.
The best deal for the Silicon Power 1TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") SSD Internal Solid State Drive (SU001TBSS3A55S25EC) is $99.99 at Amazon, while the KingSpec 128GB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade starts at $36.97 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each KingSpec 128GB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade and Silicon Power 1TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") SSD Internal Solid State Drive (SU001TBSS3A55S25EC) product page for detailed specifications and price history.
Frequently Asked Questions
Is KingSpec 128GB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade or Silicon Power 1TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") SSD Internal Solid State Drive (SU001TBSS3A55S25EC) a better deal?
As of May 2026, Silicon Power 1TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") SSD Internal Solid State Drive (SU001TBSS3A55S25EC) offers better value at $0.1000//GB compared to KingSpec 128GB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade at $0.2888//GB. That is approximately 65% better value per gigabyte.
What is the price per GB of KingSpec 128GB 2.5 SSD SATA III Internal - 550MB/s Read, 520MB/s Write with 3D NAND Flash, for Laptop & Desktop PC Upgrade?
The KingSpec 128GB 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 $0.2888/GB ($36.97 for 128 GB) at Amazon.
Where can I buy Silicon Power 1TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") SSD Internal Solid State Drive (SU001TBSS3A55S25EC) for the cheapest price?
The cheapest price for the Silicon Power 1TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") SSD Internal Solid State Drive (SU001TBSS3A55S25EC) is $99.99 at Amazon, which works out to $0.1000/GB.