The SanDisk Professional - PRO-G40 SSD 1TB External Thunderbolt 3 and USB-C NVMe Portable SSD - Black costs $0.4500/GB while the AData Legend 860 PCIe 1TB Gen4 x4 M.2 2280 SSD Internal Solid State Drive Model SLEG-860-500GCS 6,000 MB/s costs $0.1000/GB. AData Legend 860 PCIe 1TB Gen4 x4 M.2 2280 SSD Internal Solid State Drive Model SLEG-860-500GCS 6,000 MB/s offers 78% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SanDisk Professional - PRO-G40 SSD 1TB External Thunderbolt 3 and USB-C NVMe Portable SSD - Black vs AData Legend 860 PCIe 1TB Gen4 x4 M.2 2280 SSD Internal Solid State Drive Model SLEG-860-500GCS 6,000 MB/s — Which Is Better Value?
Specification Comparison
| Spec | SanDisk Professional - PRO-G40 SSD 1TB External Thunderbolt 3 and USB-C NVMe Portable SSD - Black | AData Legend 860 PCIe 1TB Gen4 x4 M.2 2280 SSD Internal Solid State Drive Model SLEG-860-500GCS 6,000 MB/s |
|---|---|---|
| Brand | SanDisk | ADATA |
| Capacity | 1 TB | 1TB |
| $/GB | $0.4500 | $0.1000 |
| Price | $449.99 | $99.99 |
| Retailer | Best Buy | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | nvme |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the AData Legend 860 PCIe 1TB Gen4 x4 M.2 2280 SSD Internal Solid State Drive Model SLEG-860-500GCS 6,000 MB/s offers better value at $0.1000//GB compared to the SanDisk Professional - PRO-G40 SSD 1TB External Thunderbolt 3 and USB-C NVMe Portable SSD - Black at $0.4500//GB — that's roughly 78% less per gigabyte.
The best deal for the AData Legend 860 PCIe 1TB Gen4 x4 M.2 2280 SSD Internal Solid State Drive Model SLEG-860-500GCS 6,000 MB/s is $99.99 at Newegg, while the SanDisk Professional - PRO-G40 SSD 1TB External Thunderbolt 3 and USB-C NVMe Portable SSD - Black starts at $449.99 at Best Buy.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each SanDisk Professional - PRO-G40 SSD 1TB External Thunderbolt 3 and USB-C NVMe Portable SSD - Black and AData Legend 860 PCIe 1TB Gen4 x4 M.2 2280 SSD Internal Solid State Drive Model SLEG-860-500GCS 6,000 MB/s product page for detailed specifications and price history.
Frequently Asked Questions
Is SanDisk Professional - PRO-G40 SSD 1TB External Thunderbolt 3 and USB-C NVMe Portable SSD - Black or AData Legend 860 PCIe 1TB Gen4 x4 M.2 2280 SSD Internal Solid State Drive Model SLEG-860-500GCS 6,000 MB/s a better deal?
As of June 2026, AData Legend 860 PCIe 1TB Gen4 x4 M.2 2280 SSD Internal Solid State Drive Model SLEG-860-500GCS 6,000 MB/s offers better value at $0.1000//GB compared to SanDisk Professional - PRO-G40 SSD 1TB External Thunderbolt 3 and USB-C NVMe Portable SSD - Black at $0.4500//GB. That is approximately 78% better value per gigabyte.
What is the price per GB of SanDisk Professional - PRO-G40 SSD 1TB External Thunderbolt 3 and USB-C NVMe Portable SSD - Black?
The SanDisk Professional - PRO-G40 SSD 1TB External Thunderbolt 3 and USB-C NVMe Portable SSD - Black is currently priced at $0.4500/GB ($449.99 for 1 TB) at Best Buy.
Where can I buy AData Legend 860 PCIe 1TB Gen4 x4 M.2 2280 SSD Internal Solid State Drive Model SLEG-860-500GCS 6,000 MB/s for the cheapest price?
The cheapest price for the AData Legend 860 PCIe 1TB Gen4 x4 M.2 2280 SSD Internal Solid State Drive Model SLEG-860-500GCS 6,000 MB/s is $99.99 at Newegg, which works out to $0.1000/GB.