The WD - BLACK SN7100 4TB Internal SSD Gen 4 x4 NVMe costs $0.1960/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 $0.0799/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 59% better value per gigabyte as of September 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
WD - BLACK SN7100 4TB Internal SSD Gen 4 x4 NVMe 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?
WD - BLACK SN7100 4TB Internal SSD Gen 4 x4 NVMe
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Specification Comparison
| Spec | WD - BLACK SN7100 4TB Internal SSD Gen 4 x4 NVMe | 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 | Western Digital | Silicon Power |
| Capacity | 4 TB | 4TB |
| $/GB | $0.1960 | $0.0799 |
| Price | $783.99 | $319.79 |
| Retailer | Best Buy | Newegg |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | nvme | 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 $0.0799//GB compared to the WD - BLACK SN7100 4TB Internal SSD Gen 4 x4 NVMe at $0.1960//GB — that's roughly 59% 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 $319.79 at Newegg, while the WD - BLACK SN7100 4TB Internal SSD Gen 4 x4 NVMe starts at $783.99 at Best Buy.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each WD - BLACK SN7100 4TB Internal SSD Gen 4 x4 NVMe 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 WD - BLACK SN7100 4TB Internal SSD Gen 4 x4 NVMe 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 September 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 $0.0799//GB compared to WD - BLACK SN7100 4TB Internal SSD Gen 4 x4 NVMe at $0.1960//GB. That is approximately 59% better value per gigabyte.
What is the price per GB of WD - BLACK SN7100 4TB Internal SSD Gen 4 x4 NVMe?
The WD - BLACK SN7100 4TB Internal SSD Gen 4 x4 NVMe is currently priced at $0.1960/GB ($783.99 for 4 TB) at Best Buy.
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 $319.79 at Newegg, which works out to $0.0799/GB.