The Vansuny 512GB SATA III SSD Internal Solid State Drive 2.5” Internal Drive Advanced 3D NAND Flash Up to 500MB/s SSD Hard Drive for PC Laptop costs $0.1195/GB while the Silicon Power 128GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") Internal Solid State Drive (SU128GBSS3A55S25AH) costs $0.2498/GB. Vansuny 512GB SATA III SSD Internal Solid State Drive 2.5” Internal Drive Advanced 3D NAND Flash Up to 500MB/s SSD Hard Drive for PC Laptop offers 52% better value per gigabyte as of September 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Vansuny 512GB SATA III SSD Internal Solid State Drive 2.5” Internal Drive Advanced 3D NAND Flash Up to 500MB/s SSD Hard Drive for PC Laptop vs Silicon Power 128GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") Internal Solid State Drive (SU128GBSS3A55S25AH) — Which Is Better Value?
Prices refresh twice daily; the final price appears at the retailer's checkout. We may earn a commission from retailer links, at no cost to you; it never affects rankings.
Specification Comparison
| Spec | Vansuny 512GB SATA III SSD Internal Solid State Drive 2.5” Internal Drive Advanced 3D NAND Flash Up to 500MB/s SSD Hard Drive for PC Laptop | Silicon Power 128GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") Internal Solid State Drive (SU128GBSS3A55S25AH) |
|---|---|---|
| Brand | Vansuny | SP Silicon Power |
| Capacity | 512 GB | 128 GB |
| $/GB | $0.1195 | $0.2498 |
| Price | $61.17 | $31.97 |
| Retailer | Amazon | Amazon |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | ssd |
Price Across Retailers
Vansuny 512GB SATA III SSD Internal Solid State Drive 2.5” Internal Drive Advanced 3D NAND Flash Up to 500MB/s SSD Hard Drive for PC Laptop
Silicon Power 128GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") Internal Solid State Drive (SU128GBSS3A55S25AH)
Which Should You Buy?
Based on current pricing data, the Vansuny 512GB SATA III SSD Internal Solid State Drive 2.5” Internal Drive Advanced 3D NAND Flash Up to 500MB/s SSD Hard Drive for PC Laptop offers better value at $0.1195//GB compared to the Silicon Power 128GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") Internal Solid State Drive (SU128GBSS3A55S25AH) at $0.2498//GB — that's roughly 52% less per gigabyte.
The best deal for the Vansuny 512GB SATA III SSD Internal Solid State Drive 2.5” Internal Drive Advanced 3D NAND Flash Up to 500MB/s SSD Hard Drive for PC Laptop is $61.17 at Amazon, while the Silicon Power 128GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") Internal Solid State Drive (SU128GBSS3A55S25AH) starts at $31.97 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Vansuny 512GB SATA III SSD Internal Solid State Drive 2.5” Internal Drive Advanced 3D NAND Flash Up to 500MB/s SSD Hard Drive for PC Laptop and Silicon Power 128GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") Internal Solid State Drive (SU128GBSS3A55S25AH) product page for detailed specifications and price history.
Frequently Asked Questions
Is Vansuny 512GB SATA III SSD Internal Solid State Drive 2.5” Internal Drive Advanced 3D NAND Flash Up to 500MB/s SSD Hard Drive for PC Laptop or Silicon Power 128GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") Internal Solid State Drive (SU128GBSS3A55S25AH) a better deal?
As of September 2026, Vansuny 512GB SATA III SSD Internal Solid State Drive 2.5” Internal Drive Advanced 3D NAND Flash Up to 500MB/s SSD Hard Drive for PC Laptop offers better value at $0.1195//GB compared to Silicon Power 128GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") Internal Solid State Drive (SU128GBSS3A55S25AH) at $0.2498//GB. That is approximately 52% better value per gigabyte.
What is the price per GB of Vansuny 512GB SATA III SSD Internal Solid State Drive 2.5” Internal Drive Advanced 3D NAND Flash Up to 500MB/s SSD Hard Drive for PC Laptop?
The Vansuny 512GB SATA III SSD Internal Solid State Drive 2.5” Internal Drive Advanced 3D NAND Flash Up to 500MB/s SSD Hard Drive for PC Laptop is currently priced at $0.1195/GB ($61.17 for 512 GB) at Amazon.
Where can I buy Silicon Power 128GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") Internal Solid State Drive (SU128GBSS3A55S25AH) for the cheapest price?
The cheapest price for the Silicon Power 128GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") Internal Solid State Drive (SU128GBSS3A55S25AH) is $31.97 at Amazon, which works out to $0.2498/GB.