The Silicon Power Slim S55 2.5' 120GB SATA III TLC Internal Solid State Drive (SSD) SP120GBSS3S55S25 costs $0.4499/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 77% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Silicon Power Slim S55 2.5' 120GB SATA III TLC Internal Solid State Drive (SSD) SP120GBSS3S55S25 vs Emtec X150 Power Plus 480GB 2.5' SATA III Internal SSD - ECSSD480GX150 — Which Is Better Value?
Specification Comparison
| Spec | Silicon Power Slim S55 2.5' 120GB SATA III TLC Internal Solid State Drive (SSD) SP120GBSS3S55S25 | Emtec X150 Power Plus 480GB 2.5' SATA III Internal SSD - ECSSD480GX150 |
|---|---|---|
| Brand | Silicon Power | Emtec |
| Capacity | 120GB | 480GB |
| $/GB | $0.4499 | $0.1021 |
| Price | $53.99 | $48.99 |
| Retailer | Newegg | 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 Slim S55 2.5' 120GB SATA III TLC Internal Solid State Drive (SSD) SP120GBSS3S55S25 at $0.4499//GB — that's roughly 77% 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 Slim S55 2.5' 120GB SATA III TLC Internal Solid State Drive (SSD) SP120GBSS3S55S25 starts at $53.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Silicon Power Slim S55 2.5' 120GB SATA III TLC Internal Solid State Drive (SSD) SP120GBSS3S55S25 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 Slim S55 2.5' 120GB SATA III TLC Internal Solid State Drive (SSD) SP120GBSS3S55S25 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 Slim S55 2.5' 120GB SATA III TLC Internal Solid State Drive (SSD) SP120GBSS3S55S25 at $0.4499//GB. That is approximately 77% better value per gigabyte.
What is the price per GB of Silicon Power Slim S55 2.5' 120GB SATA III TLC Internal Solid State Drive (SSD) SP120GBSS3S55S25?
The Silicon Power Slim S55 2.5' 120GB SATA III TLC Internal Solid State Drive (SSD) SP120GBSS3S55S25 is currently priced at $0.4499/GB ($53.99 for 120GB) at Newegg.
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.