The Atom Pro 2 External NVMe SSD 4TB costs $0.2500/GB while the KingSpec Z5 Portable SSD With RGB 4TB - Up to 2100 MB/s - USB 3.2 Gen 2 - Type-c, 20Gbps, External Solid State Drive, for Photographers, Content... costs $0.0842/GB. KingSpec Z5 Portable SSD With RGB 4TB - Up to 2100 MB/s - USB 3.2 Gen 2 - Type-c, 20Gbps, External Solid State Drive, for Photographers, Content... offers 66% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Atom Pro 2 External NVMe SSD 4TB vs KingSpec Z5 Portable SSD With RGB 4TB - Up to 2100 MB/s - USB 3.2 Gen 2 - Type-c, 20Gbps, External Solid State Drive, for Photographers, Content... — Which Is Better Value?
Specification Comparison
| Spec | Atom Pro 2 External NVMe SSD 4TB | KingSpec Z5 Portable SSD With RGB 4TB - Up to 2100 MB/s - USB 3.2 Gen 2 - Type-c, 20Gbps, External Solid State Drive, for Photographers, Content... |
|---|---|---|
| Brand | Atom | KingSpec |
| Capacity | 4TB | 4TB |
| $/GB | $0.2500 | $0.0842 |
| Price | $999.99 | $336.99 |
| Retailer | Newegg | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | nvme | ssd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the KingSpec Z5 Portable SSD With RGB 4TB - Up to 2100 MB/s - USB 3.2 Gen 2 - Type-c, 20Gbps, External Solid State Drive, for Photographers, Content... offers better value at $0.0842//GB compared to the Atom Pro 2 External NVMe SSD 4TB at $0.2500//GB — that's roughly 66% less per gigabyte.
The best deal for the KingSpec Z5 Portable SSD With RGB 4TB - Up to 2100 MB/s - USB 3.2 Gen 2 - Type-c, 20Gbps, External Solid State Drive, for Photographers, Content... is $336.99 at Newegg, while the Atom Pro 2 External NVMe SSD 4TB starts at $999.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Atom Pro 2 External NVMe SSD 4TB and KingSpec Z5 Portable SSD With RGB 4TB - Up to 2100 MB/s - USB 3.2 Gen 2 - Type-c, 20Gbps, External Solid State Drive, for Photographers, Content... product page for detailed specifications and price history.
Frequently Asked Questions
Is Atom Pro 2 External NVMe SSD 4TB or KingSpec Z5 Portable SSD With RGB 4TB - Up to 2100 MB/s - USB 3.2 Gen 2 - Type-c, 20Gbps, External Solid State Drive, for Photographers, Content... a better deal?
As of July 2026, KingSpec Z5 Portable SSD With RGB 4TB - Up to 2100 MB/s - USB 3.2 Gen 2 - Type-c, 20Gbps, External Solid State Drive, for Photographers, Content... offers better value at $0.0842//GB compared to Atom Pro 2 External NVMe SSD 4TB at $0.2500//GB. That is approximately 66% better value per gigabyte.
What is the price per GB of Atom Pro 2 External NVMe SSD 4TB?
The Atom Pro 2 External NVMe SSD 4TB is currently priced at $0.2500/GB ($999.99 for 4TB) at Newegg.
Where can I buy KingSpec Z5 Portable SSD With RGB 4TB - Up to 2100 MB/s - USB 3.2 Gen 2 - Type-c, 20Gbps, External Solid State Drive, for Photographers, Content... for the cheapest price?
The cheapest price for the KingSpec Z5 Portable SSD With RGB 4TB - Up to 2100 MB/s - USB 3.2 Gen 2 - Type-c, 20Gbps, External Solid State Drive, for Photographers, Content... is $336.99 at Newegg, which works out to $0.0842/GB.