The Titanium Micro External SSD 4TB - Mercury Portable SSD, Up to 1000MB/s, USB 3.2 Gen 2 USB-C, USB-A, Rugged IP66 Water Drop Resistance, External... costs $0.1250/GB while the SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) costs $0.0825/GB. SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) offers 34% better value per gigabyte as of June 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Titanium Micro External SSD 4TB - Mercury Portable SSD, Up to 1000MB/s, USB 3.2 Gen 2 USB-C, USB-A, Rugged IP66 Water Drop Resistance, External... vs SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) — Which Is Better Value?
Specification Comparison
| Spec | Titanium Micro External SSD 4TB - Mercury Portable SSD, Up to 1000MB/s, USB 3.2 Gen 2 USB-C, USB-A, Rugged IP66 Water Drop Resistance, External... | SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) |
|---|---|---|
| Brand | Titanium | SP Silicon Power |
| Capacity | 4TB | 4 TB |
| $/GB | $0.1250 | $0.0825 |
| Price | $499.99 | $329.97 |
| Retailer | Newegg | Amazon |
| Category | SSDs & NVMe Drives | SSDs & NVMe Drives |
| Subcategory | ssd | ssd |
Price Across Retailers
Titanium Micro External SSD 4TB - Mercury Portable SSD, Up to 1000MB/s, USB 3.2 Gen 2 USB-C, USB-A, Rugged IP66 Water Drop Resistance, External...
SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25)
Which Should You Buy?
Based on current pricing data, the SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) offers better value at $0.0825//GB compared to the Titanium Micro External SSD 4TB - Mercury Portable SSD, Up to 1000MB/s, USB 3.2 Gen 2 USB-C, USB-A, Rugged IP66 Water Drop Resistance, External... at $0.1250//GB — that's roughly 34% less per gigabyte.
The best deal for the SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) is $329.97 at Amazon, while the Titanium Micro External SSD 4TB - Mercury Portable SSD, Up to 1000MB/s, USB 3.2 Gen 2 USB-C, USB-A, Rugged IP66 Water Drop Resistance, External... starts at $499.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Titanium Micro External SSD 4TB - Mercury Portable SSD, Up to 1000MB/s, USB 3.2 Gen 2 USB-C, USB-A, Rugged IP66 Water Drop Resistance, External... and SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) product page for detailed specifications and price history.
Frequently Asked Questions
Is Titanium Micro External SSD 4TB - Mercury Portable SSD, Up to 1000MB/s, USB 3.2 Gen 2 USB-C, USB-A, Rugged IP66 Water Drop Resistance, External... or SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) a better deal?
As of June 2026, SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) offers better value at $0.0825//GB compared to Titanium Micro External SSD 4TB - Mercury Portable SSD, Up to 1000MB/s, USB 3.2 Gen 2 USB-C, USB-A, Rugged IP66 Water Drop Resistance, External... at $0.1250//GB. That is approximately 34% better value per gigabyte.
What is the price per GB of Titanium Micro External SSD 4TB - Mercury Portable SSD, Up to 1000MB/s, USB 3.2 Gen 2 USB-C, USB-A, Rugged IP66 Water Drop Resistance, External...?
The Titanium Micro External SSD 4TB - Mercury Portable SSD, Up to 1000MB/s, USB 3.2 Gen 2 USB-C, USB-A, Rugged IP66 Water Drop Resistance, External... is currently priced at $0.1250/GB ($499.99 for 4TB) at Newegg.
Where can I buy SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) for the cheapest price?
The cheapest price for the SP Silicon Power 4TB SSD 3D NAND A55 SLC Cache Performance Boost SATA III 2.5'' 7mm (0.28'') Internal Solid State Drive (SP004TBSS3A55S25) is $329.97 at Amazon, which works out to $0.0825/GB.