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 $0.0844/GB while the Western Digital Blue 2.5' 4TB SATA III 3D NAND Internal Solid State Drive (SSD) WDS costs $0.2248/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 62% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) vs Western Digital Blue 2.5' 4TB SATA III 3D NAND Internal Solid State Drive (SSD) WDS — Which Is Better Value?
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Specification Comparison
| Spec | Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) | Western Digital Blue 2.5' 4TB SATA III 3D NAND Internal Solid State Drive (SSD) WDS |
|---|---|---|
| Brand | Silicon Power | Western Digital |
| Capacity | 4TB | 4TB |
| $/GB | $0.0844 | $0.2248 |
| Price | $337.79 | $899.00 |
| Retailer | Newegg | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | ssd |
Price Across Retailers
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 $0.0844//GB compared to the Western Digital Blue 2.5' 4TB SATA III 3D NAND Internal Solid State Drive (SSD) WDS at $0.2248//GB — that's roughly 62% 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 $337.79 at Newegg, while the Western Digital Blue 2.5' 4TB SATA III 3D NAND Internal Solid State Drive (SSD) WDS starts at $899.00 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) and Western Digital Blue 2.5' 4TB SATA III 3D NAND Internal Solid State Drive (SSD) WDS product page for detailed specifications and price history.
Frequently Asked Questions
Is Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE) or Western Digital Blue 2.5' 4TB SATA III 3D NAND Internal Solid State Drive (SSD) WDS a better deal?
As of August 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 $0.0844//GB compared to Western Digital Blue 2.5' 4TB SATA III 3D NAND Internal Solid State Drive (SSD) WDS at $0.2248//GB. That is approximately 62% better value per gigabyte.
What is the price per GB of Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5' 7mm (0.28') SSD Internal Solid State Drive (SU004TBSS3A55S25NE)?
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 currently priced at $0.0844/GB ($337.79 for 4TB) at Newegg.
Where can I buy Western Digital Blue 2.5' 4TB SATA III 3D NAND Internal Solid State Drive (SSD) WDS for the cheapest price?
The cheapest price for the Western Digital Blue 2.5' 4TB SATA III 3D NAND Internal Solid State Drive (SSD) WDS is $899.00 at Newegg, which works out to $0.2248/GB.