The Silicon Power Slim S55 2.5' 120GB SATA III TLC Internal Solid State Drive (SSD) SP120GBSS3S55S25 costs $0.4499/GB while 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. 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 78% 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 MemoStone 512GB 20Gbps Extreme Portable SSD - Up to 1900MB/s - USB-C, USB 3.2 Gen 2 - RGB External Solid State Drive - ZS301, Yellow — Which Is Better Value?
Specification Comparison
| Spec | Silicon Power Slim S55 2.5' 120GB SATA III TLC Internal Solid State Drive (SSD) SP120GBSS3S55S25 | MemoStone 512GB 20Gbps Extreme Portable SSD - Up to 1900MB/s - USB-C, USB 3.2 Gen 2 - RGB External Solid State Drive - ZS301, Yellow |
|---|---|---|
| Brand | Silicon Power | MemoStone |
| Capacity | 120GB | 512GB |
| $/GB | $0.4499 | $0.0996 |
| Price | $53.99 | $50.99 |
| 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' 120GB SATA III TLC Internal Solid State Drive (SSD) SP120GBSS3S55S25 at $0.4499//GB — that's roughly 78% 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' 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 MemoStone 512GB 20Gbps Extreme Portable SSD - Up to 1900MB/s - USB-C, USB 3.2 Gen 2 - RGB External Solid State Drive - ZS301, Yellow 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 MemoStone 512GB 20Gbps Extreme Portable SSD - Up to 1900MB/s - USB-C, USB 3.2 Gen 2 - RGB External Solid State Drive - ZS301, Yellow 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' 120GB SATA III TLC Internal Solid State Drive (SSD) SP120GBSS3S55S25 at $0.4499//GB. That is approximately 78% 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 MemoStone 512GB 20Gbps Extreme Portable SSD - Up to 1900MB/s - USB-C, USB 3.2 Gen 2 - RGB External Solid State Drive - ZS301, Yellow for the cheapest price?
The cheapest price 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, which works out to $0.0996/GB.