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 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 1% better value per gigabyte as of July 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
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... 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 | 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... | 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 | KingSpec | Silicon Power |
| Capacity | 4TB | 4TB |
| $/GB | $0.0842 | $0.0837 |
| Price | $336.99 | $334.79 |
| Retailer | Newegg | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | ssd |
Price Across Retailers
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...
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 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... at $0.0842//GB — that's roughly 1% 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 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... starts at $336.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each 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... 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 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... 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 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... at $0.0842//GB. That is approximately 1% better value per gigabyte.
What is the price per GB of 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...?
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 currently priced at $0.0842/GB ($336.99 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.