The iStorage diskAshur2 SSD 4TB Black - Secure portable solid state drive - Password protected, dust and water resistant, portable, military grade... costs $0.3687/GB while the Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) costs $0.0837/GB. Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) offers 77% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
iStorage diskAshur2 SSD 4TB Black - Secure portable solid state drive - Password protected, dust and water resistant, portable, military grade... vs Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) — Which Is Better Value?
Specification Comparison
| Spec | iStorage diskAshur2 SSD 4TB Black - Secure portable solid state drive - Password protected, dust and water resistant, portable, military grade... | Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) |
|---|---|---|
| Brand | iStorage | Silicon Power |
| Capacity | 4TB | 4TB |
| $/GB | $0.3687 | $0.0837 |
| Price | $1474.95 | $334.79 |
| Retailer | Newegg | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | ssd |
Price Across Retailers
iStorage diskAshur2 SSD 4TB Black - Secure portable solid state drive - Password protected, dust and water resistant, portable, military grade...
Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE)
Which Should You Buy?
Based on current pricing data, the Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) offers better value at $0.0837//GB compared to the iStorage diskAshur2 SSD 4TB Black - Secure portable solid state drive - Password protected, dust and water resistant, portable, military grade... at $0.3687//GB — that's roughly 77% less per gigabyte.
The best deal for the Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) is $334.79 at Newegg, while the iStorage diskAshur2 SSD 4TB Black - Secure portable solid state drive - Password protected, dust and water resistant, portable, military grade... starts at $1474.95 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each iStorage diskAshur2 SSD 4TB Black - Secure portable solid state drive - Password protected, dust and water resistant, portable, military grade... and Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) product page for detailed specifications and price history.
Frequently Asked Questions
Is iStorage diskAshur2 SSD 4TB Black - Secure portable solid state drive - Password protected, dust and water resistant, portable, military grade... or Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) a better deal?
As of July 2026, Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) offers better value at $0.0837//GB compared to iStorage diskAshur2 SSD 4TB Black - Secure portable solid state drive - Password protected, dust and water resistant, portable, military grade... at $0.3687//GB. That is approximately 77% better value per gigabyte.
What is the price per GB of iStorage diskAshur2 SSD 4TB Black - Secure portable solid state drive - Password protected, dust and water resistant, portable, military grade...?
The iStorage diskAshur2 SSD 4TB Black - Secure portable solid state drive - Password protected, dust and water resistant, portable, military grade... is currently priced at $0.3687/GB ($1474.95 for 4TB) at Newegg.
Where can I buy Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) for the cheapest price?
The cheapest price for the Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) is $334.79 at Newegg, which works out to $0.0837/GB.