The Silicon Power 500GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/2,700 MB/s - Model SP500GBP44UD9005 costs $0.3580/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 72% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Silicon Power 500GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/2,700 MB/s - Model SP500GBP44UD9005 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 500GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/2,700 MB/s - Model SP500GBP44UD9005 | 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 | 500GB | 512GB |
| $/GB | $0.3580 | $0.0996 |
| Price | $178.99 | $50.99 |
| Retailer | Newegg | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | nvme | 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 500GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/2,700 MB/s - Model SP500GBP44UD9005 at $0.3580//GB — that's roughly 72% 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 500GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/2,700 MB/s - Model SP500GBP44UD9005 starts at $178.99 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 500GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/2,700 MB/s - Model SP500GBP44UD9005 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 500GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/2,700 MB/s - Model SP500GBP44UD9005 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 500GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/2,700 MB/s - Model SP500GBP44UD9005 at $0.3580//GB. That is approximately 72% better value per gigabyte.
What is the price per GB of Silicon Power 500GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/2,700 MB/s - Model SP500GBP44UD9005?
The Silicon Power 500GB UD90 NVMe 4.0 Gen4 PCIe M.2 SSD R/W up to 5,000/2,700 MB/s - Model SP500GBP44UD9005 is currently priced at $0.3580/GB ($178.99 for 500GB) 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.