The RAOYI 128GB Internal SSD SATA III 2.5” Solid State Drive 3D NAND Flash Advanced SSD Hard Drive Up to 450MB/s SATA 3 SSD Upgrade Performance for PC Laptop costs $0.2448/GB while the KingSpec MemoStone 512GB External SSD, USB 3.2 Gen2 Dual Type A/C Interface - Up to 540MB/s, Portable Solid State Drive Perfectly Compatible with Smartphones/Laptops/Tablets/Desktops costs $0.0996/GB. KingSpec MemoStone 512GB External SSD, USB 3.2 Gen2 Dual Type A/C Interface - Up to 540MB/s, Portable Solid State Drive Perfectly Compatible with Smartphones/Laptops/Tablets/Desktops offers 59% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
RAOYI 128GB Internal SSD SATA III 2.5” Solid State Drive 3D NAND Flash Advanced SSD Hard Drive Up to 450MB/s SATA 3 SSD Upgrade Performance for PC Laptop vs KingSpec MemoStone 512GB External SSD, USB 3.2 Gen2 Dual Type A/C Interface - Up to 540MB/s, Portable Solid State Drive Perfectly Compatible with Smartphones/Laptops/Tablets/Desktops — Which Is Better Value?
Specification Comparison
| Spec | RAOYI 128GB Internal SSD SATA III 2.5” Solid State Drive 3D NAND Flash Advanced SSD Hard Drive Up to 450MB/s SATA 3 SSD Upgrade Performance for PC Laptop | KingSpec MemoStone 512GB External SSD, USB 3.2 Gen2 Dual Type A/C Interface - Up to 540MB/s, Portable Solid State Drive Perfectly Compatible with Smartphones/Laptops/Tablets/Desktops |
|---|---|---|
| Brand | RAOYI | KingSpec |
| Capacity | 128 GB | 512 GB |
| $/GB | $0.2448 | $0.0996 |
| Price | $31.34 | $50.99 |
| Retailer | Amazon | Amazon |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | ssd |
Price Across Retailers
RAOYI 128GB Internal SSD SATA III 2.5” Solid State Drive 3D NAND Flash Advanced SSD Hard Drive Up to 450MB/s SATA 3 SSD Upgrade Performance for PC Laptop
KingSpec MemoStone 512GB External SSD, USB 3.2 Gen2 Dual Type A/C Interface - Up to 540MB/s, Portable Solid State Drive Perfectly Compatible with Smartphones/Laptops/Tablets/Desktops
Which Should You Buy?
Based on current pricing data, the KingSpec MemoStone 512GB External SSD, USB 3.2 Gen2 Dual Type A/C Interface - Up to 540MB/s, Portable Solid State Drive Perfectly Compatible with Smartphones/Laptops/Tablets/Desktops offers better value at $0.0996//GB compared to the RAOYI 128GB Internal SSD SATA III 2.5” Solid State Drive 3D NAND Flash Advanced SSD Hard Drive Up to 450MB/s SATA 3 SSD Upgrade Performance for PC Laptop at $0.2448//GB — that's roughly 59% less per gigabyte.
The best deal for the KingSpec MemoStone 512GB External SSD, USB 3.2 Gen2 Dual Type A/C Interface - Up to 540MB/s, Portable Solid State Drive Perfectly Compatible with Smartphones/Laptops/Tablets/Desktops is $50.99 at Amazon, while the RAOYI 128GB Internal SSD SATA III 2.5” Solid State Drive 3D NAND Flash Advanced SSD Hard Drive Up to 450MB/s SATA 3 SSD Upgrade Performance for PC Laptop starts at $31.34 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each RAOYI 128GB Internal SSD SATA III 2.5” Solid State Drive 3D NAND Flash Advanced SSD Hard Drive Up to 450MB/s SATA 3 SSD Upgrade Performance for PC Laptop and KingSpec MemoStone 512GB External SSD, USB 3.2 Gen2 Dual Type A/C Interface - Up to 540MB/s, Portable Solid State Drive Perfectly Compatible with Smartphones/Laptops/Tablets/Desktops product page for detailed specifications and price history.
Frequently Asked Questions
Is RAOYI 128GB Internal SSD SATA III 2.5” Solid State Drive 3D NAND Flash Advanced SSD Hard Drive Up to 450MB/s SATA 3 SSD Upgrade Performance for PC Laptop or KingSpec MemoStone 512GB External SSD, USB 3.2 Gen2 Dual Type A/C Interface - Up to 540MB/s, Portable Solid State Drive Perfectly Compatible with Smartphones/Laptops/Tablets/Desktops a better deal?
As of May 2026, KingSpec MemoStone 512GB External SSD, USB 3.2 Gen2 Dual Type A/C Interface - Up to 540MB/s, Portable Solid State Drive Perfectly Compatible with Smartphones/Laptops/Tablets/Desktops offers better value at $0.0996//GB compared to RAOYI 128GB Internal SSD SATA III 2.5” Solid State Drive 3D NAND Flash Advanced SSD Hard Drive Up to 450MB/s SATA 3 SSD Upgrade Performance for PC Laptop at $0.2448//GB. That is approximately 59% better value per gigabyte.
What is the price per GB of RAOYI 128GB Internal SSD SATA III 2.5” Solid State Drive 3D NAND Flash Advanced SSD Hard Drive Up to 450MB/s SATA 3 SSD Upgrade Performance for PC Laptop?
The RAOYI 128GB Internal SSD SATA III 2.5” Solid State Drive 3D NAND Flash Advanced SSD Hard Drive Up to 450MB/s SATA 3 SSD Upgrade Performance for PC Laptop is currently priced at $0.2448/GB ($31.34 for 128 GB) at Amazon.
Where can I buy KingSpec MemoStone 512GB External SSD, USB 3.2 Gen2 Dual Type A/C Interface - Up to 540MB/s, Portable Solid State Drive Perfectly Compatible with Smartphones/Laptops/Tablets/Desktops for the cheapest price?
The cheapest price for the KingSpec MemoStone 512GB External SSD, USB 3.2 Gen2 Dual Type A/C Interface - Up to 540MB/s, Portable Solid State Drive Perfectly Compatible with Smartphones/Laptops/Tablets/Desktops is $50.99 at Amazon, which works out to $0.0996/GB.