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 $0.2576/GB while the Emtec X150 Power Plus 480GB 2.5' SATA III Internal SSD - ECSSD480GX150 costs $0.1021/GB. Emtec X150 Power Plus 480GB 2.5' SATA III Internal SSD - ECSSD480GX150 offers 60% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Silicon Power 128GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") Internal Solid State Drive (SU128GBSS3A55S25AH) vs Emtec X150 Power Plus 480GB 2.5' SATA III Internal SSD - ECSSD480GX150 — Which Is Better Value?
Specification Comparison
| Spec | Silicon Power 128GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") Internal Solid State Drive (SU128GBSS3A55S25AH) | Emtec X150 Power Plus 480GB 2.5' SATA III Internal SSD - ECSSD480GX150 |
|---|---|---|
| Brand | SP Silicon Power | Emtec |
| Capacity | 128 GB | 480GB |
| $/GB | $0.2576 | $0.1021 |
| Price | $32.97 | $48.99 |
| Retailer | Amazon | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | ssd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the Emtec X150 Power Plus 480GB 2.5' SATA III Internal SSD - ECSSD480GX150 offers better value at $0.1021//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 $0.2576//GB — that's roughly 60% less per gigabyte.
The best deal for the Emtec X150 Power Plus 480GB 2.5' SATA III Internal SSD - ECSSD480GX150 is $48.99 at Newegg, 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 $32.97 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Silicon Power 128GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") Internal Solid State Drive (SU128GBSS3A55S25AH) and Emtec X150 Power Plus 480GB 2.5' SATA III Internal SSD - ECSSD480GX150 product page for detailed specifications and price history.
Frequently Asked Questions
Is Silicon Power 128GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") Internal Solid State Drive (SU128GBSS3A55S25AH) or Emtec X150 Power Plus 480GB 2.5' SATA III Internal SSD - ECSSD480GX150 a better deal?
As of June 2026, Emtec X150 Power Plus 480GB 2.5' SATA III Internal SSD - ECSSD480GX150 offers better value at $0.1021//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 $0.2576//GB. That is approximately 60% better value per gigabyte.
What is the price per GB of Silicon Power 128GB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5" 7mm (0.28") Internal Solid State Drive (SU128GBSS3A55S25AH)?
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 currently priced at $0.2576/GB ($32.97 for 128 GB) at Amazon.
Where can I buy Emtec X150 Power Plus 480GB 2.5' SATA III Internal SSD - ECSSD480GX150 for the cheapest price?
The cheapest price for the Emtec X150 Power Plus 480GB 2.5' SATA III Internal SSD - ECSSD480GX150 is $48.99 at Newegg, which works out to $0.1021/GB.