The Helix Dura 4TB USB-C (USB 3.2 Gen2) NVMe Portable SSD, Up to 1050MB/s costs $0.1998/GB while the SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) costs $0.0825/GB. SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) offers 59% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Helix Dura 4TB USB-C (USB 3.2 Gen2) NVMe Portable SSD, Up to 1050MB/s vs SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) — Which Is Better Value?
Specification Comparison
| Spec | Helix Dura 4TB USB-C (USB 3.2 Gen2) NVMe Portable SSD, Up to 1050MB/s | SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) |
|---|---|---|
| Brand | Helix | SP Silicon Power |
| Capacity | 4TB | 4 TB |
| $/GB | $0.1998 | $0.0825 |
| Price | $799.00 | $329.97 |
| Retailer | Newegg | Amazon |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | nvme | ssd |
Price Across Retailers
Which Should You Buy?
Based on current pricing data, the SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) offers better value at $0.0825//GB compared to the Helix Dura 4TB USB-C (USB 3.2 Gen2) NVMe Portable SSD, Up to 1050MB/s at $0.1998//GB — that's roughly 59% less per gigabyte.
The best deal for the SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) is $329.97 at Amazon, while the Helix Dura 4TB USB-C (USB 3.2 Gen2) NVMe Portable SSD, Up to 1050MB/s starts at $799.00 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Helix Dura 4TB USB-C (USB 3.2 Gen2) NVMe Portable SSD, Up to 1050MB/s and SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) product page for detailed specifications and price history.
Frequently Asked Questions
Is Helix Dura 4TB USB-C (USB 3.2 Gen2) NVMe Portable SSD, Up to 1050MB/s or SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) a better deal?
As of June 2026, SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) offers better value at $0.0825//GB compared to Helix Dura 4TB USB-C (USB 3.2 Gen2) NVMe Portable SSD, Up to 1050MB/s at $0.1998//GB. That is approximately 59% better value per gigabyte.
What is the price per GB of Helix Dura 4TB USB-C (USB 3.2 Gen2) NVMe Portable SSD, Up to 1050MB/s?
The Helix Dura 4TB USB-C (USB 3.2 Gen2) NVMe Portable SSD, Up to 1050MB/s is currently priced at $0.1998/GB ($799.00 for 4TB) at Newegg.
Where can I buy SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) for the cheapest price?
The cheapest price for the SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) is $329.97 at Amazon, which works out to $0.0825/GB.