The MemoStone 512GB 20Gbps Extreme Portable SSD - Up to 1900MB/s - USB-C, USB 3.2 Gen 2 - RGB External Solid State Drive - ZS301, Yellow costs $0.0996/GB while the Silicon Power Slim S55 2.5' 480GB SATA III TLC Internal Solid State Drive (SSD) SP480GBSS3S55S25 costs $0.2521/GB. MemoStone 512GB 20Gbps Extreme Portable SSD - Up to 1900MB/s - USB-C, USB 3.2 Gen 2 - RGB External Solid State Drive - ZS301, Yellow offers 60% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
MemoStone 512GB 20Gbps Extreme Portable SSD - Up to 1900MB/s - USB-C, USB 3.2 Gen 2 - RGB External Solid State Drive - ZS301, Yellow vs Silicon Power Slim S55 2.5' 480GB SATA III TLC Internal Solid State Drive (SSD) SP480GBSS3S55S25 — Which Is Better Value?
Specification Comparison
| Spec | MemoStone 512GB 20Gbps Extreme Portable SSD - Up to 1900MB/s - USB-C, USB 3.2 Gen 2 - RGB External Solid State Drive - ZS301, Yellow | Silicon Power Slim S55 2.5' 480GB SATA III TLC Internal Solid State Drive (SSD) SP480GBSS3S55S25 |
|---|---|---|
| Brand | MemoStone | Silicon Power |
| Capacity | 512GB | 480GB |
| $/GB | $0.0996 | $0.2521 |
| Price | $50.99 | $120.99 |
| 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 MemoStone 512GB 20Gbps Extreme Portable SSD - Up to 1900MB/s - USB-C, USB 3.2 Gen 2 - RGB External Solid State Drive - ZS301, Yellow offers better value at $0.0996//GB compared to the Silicon Power Slim S55 2.5' 480GB SATA III TLC Internal Solid State Drive (SSD) SP480GBSS3S55S25 at $0.2521//GB — that's roughly 60% less per gigabyte.
The best deal for the MemoStone 512GB 20Gbps Extreme Portable SSD - Up to 1900MB/s - USB-C, USB 3.2 Gen 2 - RGB External Solid State Drive - ZS301, Yellow is $50.99 at Newegg, while the Silicon Power Slim S55 2.5' 480GB SATA III TLC Internal Solid State Drive (SSD) SP480GBSS3S55S25 starts at $120.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each MemoStone 512GB 20Gbps Extreme Portable SSD - Up to 1900MB/s - USB-C, USB 3.2 Gen 2 - RGB External Solid State Drive - ZS301, Yellow and Silicon Power Slim S55 2.5' 480GB SATA III TLC Internal Solid State Drive (SSD) SP480GBSS3S55S25 product page for detailed specifications and price history.
Frequently Asked Questions
Is MemoStone 512GB 20Gbps Extreme Portable SSD - Up to 1900MB/s - USB-C, USB 3.2 Gen 2 - RGB External Solid State Drive - ZS301, Yellow or Silicon Power Slim S55 2.5' 480GB SATA III TLC Internal Solid State Drive (SSD) SP480GBSS3S55S25 a better deal?
As of June 2026, MemoStone 512GB 20Gbps Extreme Portable SSD - Up to 1900MB/s - USB-C, USB 3.2 Gen 2 - RGB External Solid State Drive - ZS301, Yellow offers better value at $0.0996//GB compared to Silicon Power Slim S55 2.5' 480GB SATA III TLC Internal Solid State Drive (SSD) SP480GBSS3S55S25 at $0.2521//GB. That is approximately 60% better value per gigabyte.
What is the price per GB of MemoStone 512GB 20Gbps Extreme Portable SSD - Up to 1900MB/s - USB-C, USB 3.2 Gen 2 - RGB External Solid State Drive - ZS301, Yellow?
The MemoStone 512GB 20Gbps Extreme Portable SSD - Up to 1900MB/s - USB-C, USB 3.2 Gen 2 - RGB External Solid State Drive - ZS301, Yellow is currently priced at $0.0996/GB ($50.99 for 512GB) at Newegg.
Where can I buy Silicon Power Slim S55 2.5' 480GB SATA III TLC Internal Solid State Drive (SSD) SP480GBSS3S55S25 for the cheapest price?
The cheapest price for the Silicon Power Slim S55 2.5' 480GB SATA III TLC Internal Solid State Drive (SSD) SP480GBSS3S55S25 is $120.99 at Newegg, which works out to $0.2521/GB.