The ADATA SU650 512GB 3D-NAND SATA 2.5 inch Internal SSD (ASU650SS-512GT-R) costs $0.1660/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 40% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
ADATA SU650 512GB 3D-NAND SATA 2.5 inch Internal SSD (ASU650SS-512GT-R) 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 | ADATA SU650 512GB 3D-NAND SATA 2.5 inch Internal SSD (ASU650SS-512GT-R) | 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 | ADATA | KingSpec |
| Capacity | 512GB | 512 GB |
| $/GB | $0.1660 | $0.0996 |
| Price | $84.99 | $50.99 |
| Retailer | Newegg | Amazon |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | ssd |
Price Across Retailers
ADATA SU650 512GB 3D-NAND SATA 2.5 inch Internal SSD (ASU650SS-512GT-R)
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 ADATA SU650 512GB 3D-NAND SATA 2.5 inch Internal SSD (ASU650SS-512GT-R) at $0.1660//GB — that's roughly 40% 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 ADATA SU650 512GB 3D-NAND SATA 2.5 inch Internal SSD (ASU650SS-512GT-R) starts at $84.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each ADATA SU650 512GB 3D-NAND SATA 2.5 inch Internal SSD (ASU650SS-512GT-R) 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 ADATA SU650 512GB 3D-NAND SATA 2.5 inch Internal SSD (ASU650SS-512GT-R) 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 ADATA SU650 512GB 3D-NAND SATA 2.5 inch Internal SSD (ASU650SS-512GT-R) at $0.1660//GB. That is approximately 40% better value per gigabyte.
What is the price per GB of ADATA SU650 512GB 3D-NAND SATA 2.5 inch Internal SSD (ASU650SS-512GT-R)?
The ADATA SU650 512GB 3D-NAND SATA 2.5 inch Internal SSD (ASU650SS-512GT-R) is currently priced at $0.1660/GB ($84.99 for 512GB) at Newegg.
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.