The KingSpec MemoStone 256GB 2-in-1 USB 3.2 Portable SSD - High-Speed 490 MB/s Read, Type-C Thumb Drive for Android and USB-C Computers costs $0.0859/GB while the RBU-SNS8154P3 Kingston M.2 2280 128GB PCI-EXPRESS 3.0 X4 Nvme Internal SSD RBU-SNS8154P3/128GJ M.2 SSD / Solid State Drive costs $0.2343/GB. KingSpec MemoStone 256GB 2-in-1 USB 3.2 Portable SSD - High-Speed 490 MB/s Read, Type-C Thumb Drive for Android and USB-C Computers offers 63% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
KingSpec MemoStone 256GB 2-in-1 USB 3.2 Portable SSD - High-Speed 490 MB/s Read, Type-C Thumb Drive for Android and USB-C Computers vs RBU-SNS8154P3 Kingston M.2 2280 128GB PCI-EXPRESS 3.0 X4 Nvme Internal SSD RBU-SNS8154P3/128GJ M.2 SSD / Solid State Drive — Which Is Better Value?
Specification Comparison
| Spec | KingSpec MemoStone 256GB 2-in-1 USB 3.2 Portable SSD - High-Speed 490 MB/s Read, Type-C Thumb Drive for Android and USB-C Computers | RBU-SNS8154P3 Kingston M.2 2280 128GB PCI-EXPRESS 3.0 X4 Nvme Internal SSD RBU-SNS8154P3/128GJ M.2 SSD / Solid State Drive |
|---|---|---|
| Brand | KingSpec | Kingston |
| Capacity | 256GB | 128GB |
| $/GB | $0.0859 | $0.2343 |
| Price | $21.99 | $29.99 |
| Retailer | Newegg | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | nvme |
Price Across Retailers
KingSpec MemoStone 256GB 2-in-1 USB 3.2 Portable SSD - High-Speed 490 MB/s Read, Type-C Thumb Drive for Android and USB-C Computers
RBU-SNS8154P3 Kingston M.2 2280 128GB PCI-EXPRESS 3.0 X4 Nvme Internal SSD RBU-SNS8154P3/128GJ M.2 SSD / Solid State Drive
Which Should You Buy?
Based on current pricing data, the KingSpec MemoStone 256GB 2-in-1 USB 3.2 Portable SSD - High-Speed 490 MB/s Read, Type-C Thumb Drive for Android and USB-C Computers offers better value at $0.0859//GB compared to the RBU-SNS8154P3 Kingston M.2 2280 128GB PCI-EXPRESS 3.0 X4 Nvme Internal SSD RBU-SNS8154P3/128GJ M.2 SSD / Solid State Drive at $0.2343//GB — that's roughly 63% less per gigabyte.
The best deal for the KingSpec MemoStone 256GB 2-in-1 USB 3.2 Portable SSD - High-Speed 490 MB/s Read, Type-C Thumb Drive for Android and USB-C Computers is $21.99 at Newegg, while the RBU-SNS8154P3 Kingston M.2 2280 128GB PCI-EXPRESS 3.0 X4 Nvme Internal SSD RBU-SNS8154P3/128GJ M.2 SSD / Solid State Drive starts at $29.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each KingSpec MemoStone 256GB 2-in-1 USB 3.2 Portable SSD - High-Speed 490 MB/s Read, Type-C Thumb Drive for Android and USB-C Computers and RBU-SNS8154P3 Kingston M.2 2280 128GB PCI-EXPRESS 3.0 X4 Nvme Internal SSD RBU-SNS8154P3/128GJ M.2 SSD / Solid State Drive product page for detailed specifications and price history.
Frequently Asked Questions
Is KingSpec MemoStone 256GB 2-in-1 USB 3.2 Portable SSD - High-Speed 490 MB/s Read, Type-C Thumb Drive for Android and USB-C Computers or RBU-SNS8154P3 Kingston M.2 2280 128GB PCI-EXPRESS 3.0 X4 Nvme Internal SSD RBU-SNS8154P3/128GJ M.2 SSD / Solid State Drive a better deal?
As of June 2026, KingSpec MemoStone 256GB 2-in-1 USB 3.2 Portable SSD - High-Speed 490 MB/s Read, Type-C Thumb Drive for Android and USB-C Computers offers better value at $0.0859//GB compared to RBU-SNS8154P3 Kingston M.2 2280 128GB PCI-EXPRESS 3.0 X4 Nvme Internal SSD RBU-SNS8154P3/128GJ M.2 SSD / Solid State Drive at $0.2343//GB. That is approximately 63% better value per gigabyte.
What is the price per GB of KingSpec MemoStone 256GB 2-in-1 USB 3.2 Portable SSD - High-Speed 490 MB/s Read, Type-C Thumb Drive for Android and USB-C Computers?
The KingSpec MemoStone 256GB 2-in-1 USB 3.2 Portable SSD - High-Speed 490 MB/s Read, Type-C Thumb Drive for Android and USB-C Computers is currently priced at $0.0859/GB ($21.99 for 256GB) at Newegg.
Where can I buy RBU-SNS8154P3 Kingston M.2 2280 128GB PCI-EXPRESS 3.0 X4 Nvme Internal SSD RBU-SNS8154P3/128GJ M.2 SSD / Solid State Drive for the cheapest price?
The cheapest price for the RBU-SNS8154P3 Kingston M.2 2280 128GB PCI-EXPRESS 3.0 X4 Nvme Internal SSD RBU-SNS8154P3/128GJ M.2 SSD / Solid State Drive is $29.99 at Newegg, which works out to $0.2343/GB.