The WD - BLACK SN770M 2TB Internal SSD PCIe Gen 4 x4 M.2 2230 for ROG Ally and Steam Deck costs $0.2000/GB while the Bestoss 2TB SATA SSD - 2.5 Inch Internal Hard Drive, 6Gb/s, Up to 550MB/s costs $0.0963/GB. Bestoss 2TB SATA SSD - 2.5 Inch Internal Hard Drive, 6Gb/s, Up to 550MB/s offers 52% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD - BLACK SN770M 2TB Internal SSD PCIe Gen 4 x4 M.2 2230 for ROG Ally and Steam Deck vs Bestoss 2TB SATA SSD - 2.5 Inch Internal Hard Drive, 6Gb/s, Up to 550MB/s — Which Is Better Value?
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Specification Comparison
| Spec | WD - BLACK SN770M 2TB Internal SSD PCIe Gen 4 x4 M.2 2230 for ROG Ally and Steam Deck | Bestoss 2TB SATA SSD - 2.5 Inch Internal Hard Drive, 6Gb/s, Up to 550MB/s |
|---|---|---|
| Brand | Western Digital | Bestoss |
| Capacity | 2 TB | 2 TB |
| $/GB | $0.2000 | $0.0963 |
| Price | $399.99 | $192.59 |
| Retailer | Best Buy | Amazon |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | nvme | ssd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the Bestoss 2TB SATA SSD - 2.5 Inch Internal Hard Drive, 6Gb/s, Up to 550MB/s offers better value at $0.0963//GB compared to the WD - BLACK SN770M 2TB Internal SSD PCIe Gen 4 x4 M.2 2230 for ROG Ally and Steam Deck at $0.2000//GB — that's roughly 52% less per gigabyte.
The best deal for the Bestoss 2TB SATA SSD - 2.5 Inch Internal Hard Drive, 6Gb/s, Up to 550MB/s is $192.59 at Amazon, while the WD - BLACK SN770M 2TB Internal SSD PCIe Gen 4 x4 M.2 2230 for ROG Ally and Steam Deck starts at $399.99 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 WD - BLACK SN770M 2TB Internal SSD PCIe Gen 4 x4 M.2 2230 for ROG Ally and Steam Deck and Bestoss 2TB SATA SSD - 2.5 Inch Internal Hard Drive, 6Gb/s, Up to 550MB/s product page for detailed specifications and price history.
Frequently Asked Questions
Is WD - BLACK SN770M 2TB Internal SSD PCIe Gen 4 x4 M.2 2230 for ROG Ally and Steam Deck or Bestoss 2TB SATA SSD - 2.5 Inch Internal Hard Drive, 6Gb/s, Up to 550MB/s a better deal?
As of August 2026, Bestoss 2TB SATA SSD - 2.5 Inch Internal Hard Drive, 6Gb/s, Up to 550MB/s offers better value at $0.0963//GB compared to WD - BLACK SN770M 2TB Internal SSD PCIe Gen 4 x4 M.2 2230 for ROG Ally and Steam Deck at $0.2000//GB. That is approximately 52% better value per gigabyte.
What is the price per GB of WD - BLACK SN770M 2TB Internal SSD PCIe Gen 4 x4 M.2 2230 for ROG Ally and Steam Deck?
The WD - BLACK SN770M 2TB Internal SSD PCIe Gen 4 x4 M.2 2230 for ROG Ally and Steam Deck is currently priced at $0.2000/GB ($399.99 for 2 TB) at Best Buy.
Where can I buy Bestoss 2TB SATA SSD - 2.5 Inch Internal Hard Drive, 6Gb/s, Up to 550MB/s for the cheapest price?
The cheapest price for the Bestoss 2TB SATA SSD - 2.5 Inch Internal Hard Drive, 6Gb/s, Up to 550MB/s is $192.59 at Amazon, which works out to $0.0963/GB.