The Vansuny 1TB Portable External SSD, USB 3.1 Gen2 540MB/s High-Speed Data ssd External Hard Drive USB C, Metal Mini Portable External Solid State Drive, Red costs $0.1080/GB while the WD_Black SN770M 1TB M.2 2230 NVMe SSD for Gaming Devices and Laptops Compatible with PCIe Gen 4.0, up to 5150MB/s, for Asus ROG Ally, Steam Deck,... costs $0.2390/GB. Vansuny 1TB Portable External SSD, USB 3.1 Gen2 540MB/s High-Speed Data ssd External Hard Drive USB C, Metal Mini Portable External Solid State Drive, Red offers 55% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Vansuny 1TB Portable External SSD, USB 3.1 Gen2 540MB/s High-Speed Data ssd External Hard Drive USB C, Metal Mini Portable External Solid State Drive, Red vs WD_Black SN770M 1TB M.2 2230 NVMe SSD for Gaming Devices and Laptops Compatible with PCIe Gen 4.0, up to 5150MB/s, for Asus ROG Ally, Steam Deck,... — Which Is Better Value?
Specification Comparison
| Spec | Vansuny 1TB Portable External SSD, USB 3.1 Gen2 540MB/s High-Speed Data ssd External Hard Drive USB C, Metal Mini Portable External Solid State Drive, Red | WD_Black SN770M 1TB M.2 2230 NVMe SSD for Gaming Devices and Laptops Compatible with PCIe Gen 4.0, up to 5150MB/s, for Asus ROG Ally, Steam Deck,... |
|---|---|---|
| Brand | Vansuny | Western Digital |
| Capacity | 1 TB | 1TB |
| $/GB | $0.1080 | $0.2390 |
| Price | $107.99 | $239.00 |
| Retailer | Amazon | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | nvme |
Price Across Retailers
Vansuny 1TB Portable External SSD, USB 3.1 Gen2 540MB/s High-Speed Data ssd External Hard Drive USB C, Metal Mini Portable External Solid State Drive, Red
WD_Black SN770M 1TB M.2 2230 NVMe SSD for Gaming Devices and Laptops Compatible with PCIe Gen 4.0, up to 5150MB/s, for Asus ROG Ally, Steam Deck,...
Which Should You Buy?
Based on current pricing data, the Vansuny 1TB Portable External SSD, USB 3.1 Gen2 540MB/s High-Speed Data ssd External Hard Drive USB C, Metal Mini Portable External Solid State Drive, Red offers better value at $0.1080//GB compared to the WD_Black SN770M 1TB M.2 2230 NVMe SSD for Gaming Devices and Laptops Compatible with PCIe Gen 4.0, up to 5150MB/s, for Asus ROG Ally, Steam Deck,... at $0.2390//GB — that's roughly 55% less per gigabyte.
The best deal for the Vansuny 1TB Portable External SSD, USB 3.1 Gen2 540MB/s High-Speed Data ssd External Hard Drive USB C, Metal Mini Portable External Solid State Drive, Red is $107.99 at Amazon, while the WD_Black SN770M 1TB M.2 2230 NVMe SSD for Gaming Devices and Laptops Compatible with PCIe Gen 4.0, up to 5150MB/s, for Asus ROG Ally, Steam Deck,... starts at $239.00 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Vansuny 1TB Portable External SSD, USB 3.1 Gen2 540MB/s High-Speed Data ssd External Hard Drive USB C, Metal Mini Portable External Solid State Drive, Red and WD_Black SN770M 1TB M.2 2230 NVMe SSD for Gaming Devices and Laptops Compatible with PCIe Gen 4.0, up to 5150MB/s, for Asus ROG Ally, Steam Deck,... product page for detailed specifications and price history.
Frequently Asked Questions
Is Vansuny 1TB Portable External SSD, USB 3.1 Gen2 540MB/s High-Speed Data ssd External Hard Drive USB C, Metal Mini Portable External Solid State Drive, Red or WD_Black SN770M 1TB M.2 2230 NVMe SSD for Gaming Devices and Laptops Compatible with PCIe Gen 4.0, up to 5150MB/s, for Asus ROG Ally, Steam Deck,... a better deal?
As of July 2026, Vansuny 1TB Portable External SSD, USB 3.1 Gen2 540MB/s High-Speed Data ssd External Hard Drive USB C, Metal Mini Portable External Solid State Drive, Red offers better value at $0.1080//GB compared to WD_Black SN770M 1TB M.2 2230 NVMe SSD for Gaming Devices and Laptops Compatible with PCIe Gen 4.0, up to 5150MB/s, for Asus ROG Ally, Steam Deck,... at $0.2390//GB. That is approximately 55% better value per gigabyte.
What is the price per GB of Vansuny 1TB Portable External SSD, USB 3.1 Gen2 540MB/s High-Speed Data ssd External Hard Drive USB C, Metal Mini Portable External Solid State Drive, Red?
The Vansuny 1TB Portable External SSD, USB 3.1 Gen2 540MB/s High-Speed Data ssd External Hard Drive USB C, Metal Mini Portable External Solid State Drive, Red is currently priced at $0.1080/GB ($107.99 for 1 TB) at Amazon.
Where can I buy WD_Black SN770M 1TB M.2 2230 NVMe SSD for Gaming Devices and Laptops Compatible with PCIe Gen 4.0, up to 5150MB/s, for Asus ROG Ally, Steam Deck,... for the cheapest price?
The cheapest price for the WD_Black SN770M 1TB M.2 2230 NVMe SSD for Gaming Devices and Laptops Compatible with PCIe Gen 4.0, up to 5150MB/s, for Asus ROG Ally, Steam Deck,... is $239.00 at Newegg, which works out to $0.2390/GB.