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 4TB Transcend ESD420 Portable Magnetic SSD USB 20Gbps Type-C Magsafe (Champagne Gold) costs $0.3118/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 73% 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 4TB Transcend ESD420 Portable Magnetic SSD USB 20Gbps Type-C Magsafe (Champagne Gold) — 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) | 4TB Transcend ESD420 Portable Magnetic SSD USB 20Gbps Type-C Magsafe (Champagne Gold) |
|---|---|---|
| Brand | Silicon Power | Transcend |
| Capacity | 4TB | 4TB |
| $/GB | $0.0844 | $0.3118 |
| Price | $337.79 | $1247.00 |
| 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 4TB Transcend ESD420 Portable Magnetic SSD USB 20Gbps Type-C Magsafe (Champagne Gold) at $0.3118//GB — that's roughly 73% 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 4TB Transcend ESD420 Portable Magnetic SSD USB 20Gbps Type-C Magsafe (Champagne Gold) starts at $1247.00 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 4TB Transcend ESD420 Portable Magnetic SSD USB 20Gbps Type-C Magsafe (Champagne Gold) 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 4TB Transcend ESD420 Portable Magnetic SSD USB 20Gbps Type-C Magsafe (Champagne Gold) 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 4TB Transcend ESD420 Portable Magnetic SSD USB 20Gbps Type-C Magsafe (Champagne Gold) at $0.3118//GB. That is approximately 73% 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 4TB Transcend ESD420 Portable Magnetic SSD USB 20Gbps Type-C Magsafe (Champagne Gold) for the cheapest price?
The cheapest price for the 4TB Transcend ESD420 Portable Magnetic SSD USB 20Gbps Type-C Magsafe (Champagne Gold) is $1247.00 at Newegg, which works out to $0.3118/GB.