The Silicon Power 1TB Superior microSDXC UHS-I (U3), V30 4K A1 Memory Card with Adapter (SP001TBSTXDV3V20SP) costs $0.1378/GB while the OWC 1TB Atlas Ultra CFexpress Type B 4.0 Memory Card - Up to 3000 MB/s Write and 3650 MB/s Read Speeds - 1500MB/s Minimum Sustained Write Speed -... costs $0.9875/GB. Silicon Power 1TB Superior microSDXC UHS-I (U3), V30 4K A1 Memory Card with Adapter (SP001TBSTXDV3V20SP) offers 86% better value per gigabyte as of May 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Silicon Power 1TB Superior microSDXC UHS-I (U3), V30 4K A1 Memory Card with Adapter (SP001TBSTXDV3V20SP) vs OWC 1TB Atlas Ultra CFexpress Type B 4.0 Memory Card - Up to 3000 MB/s Write and 3650 MB/s Read Speeds - 1500MB/s Minimum Sustained Write Speed -... — Which Is Better Value?
Specification Comparison
| Spec | Silicon Power 1TB Superior microSDXC UHS-I (U3), V30 4K A1 Memory Card with Adapter (SP001TBSTXDV3V20SP) | OWC 1TB Atlas Ultra CFexpress Type B 4.0 Memory Card - Up to 3000 MB/s Write and 3650 MB/s Read Speeds - 1500MB/s Minimum Sustained Write Speed -... |
|---|---|---|
| Brand | Silicon Power | OWC |
| Capacity | 1TB | 1TB |
| $/GB | $0.1378 | $0.9875 |
| Price | $137.79 | $987.51 |
| Retailer | Newegg | Newegg |
| Category | SD Cards | SD Cards |
| Subcategory | micro-sd | sd |
Price Across Retailers
Silicon Power 1TB Superior microSDXC UHS-I (U3), V30 4K A1 Memory Card with Adapter (SP001TBSTXDV3V20SP)
OWC 1TB Atlas Ultra CFexpress Type B 4.0 Memory Card - Up to 3000 MB/s Write and 3650 MB/s Read Speeds - 1500MB/s Minimum Sustained Write Speed -...
Which Should You Buy?
Based on current pricing data, the Silicon Power 1TB Superior microSDXC UHS-I (U3), V30 4K A1 Memory Card with Adapter (SP001TBSTXDV3V20SP) offers better value at $0.1378//GB compared to the OWC 1TB Atlas Ultra CFexpress Type B 4.0 Memory Card - Up to 3000 MB/s Write and 3650 MB/s Read Speeds - 1500MB/s Minimum Sustained Write Speed -... at $0.9875//GB — that's roughly 86% less per gigabyte.
The best deal for the Silicon Power 1TB Superior microSDXC UHS-I (U3), V30 4K A1 Memory Card with Adapter (SP001TBSTXDV3V20SP) is $137.79 at Newegg, while the OWC 1TB Atlas Ultra CFexpress Type B 4.0 Memory Card - Up to 3000 MB/s Write and 3650 MB/s Read Speeds - 1500MB/s Minimum Sustained Write Speed -... starts at $987.51 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 1TB Superior microSDXC UHS-I (U3), V30 4K A1 Memory Card with Adapter (SP001TBSTXDV3V20SP) and OWC 1TB Atlas Ultra CFexpress Type B 4.0 Memory Card - Up to 3000 MB/s Write and 3650 MB/s Read Speeds - 1500MB/s Minimum Sustained Write Speed -... product page for detailed specifications and price history.
Frequently Asked Questions
Is Silicon Power 1TB Superior microSDXC UHS-I (U3), V30 4K A1 Memory Card with Adapter (SP001TBSTXDV3V20SP) or OWC 1TB Atlas Ultra CFexpress Type B 4.0 Memory Card - Up to 3000 MB/s Write and 3650 MB/s Read Speeds - 1500MB/s Minimum Sustained Write Speed -... a better deal?
As of May 2026, Silicon Power 1TB Superior microSDXC UHS-I (U3), V30 4K A1 Memory Card with Adapter (SP001TBSTXDV3V20SP) offers better value at $0.1378//GB compared to OWC 1TB Atlas Ultra CFexpress Type B 4.0 Memory Card - Up to 3000 MB/s Write and 3650 MB/s Read Speeds - 1500MB/s Minimum Sustained Write Speed -... at $0.9875//GB. That is approximately 86% better value per gigabyte.
What is the price per GB of Silicon Power 1TB Superior microSDXC UHS-I (U3), V30 4K A1 Memory Card with Adapter (SP001TBSTXDV3V20SP)?
The Silicon Power 1TB Superior microSDXC UHS-I (U3), V30 4K A1 Memory Card with Adapter (SP001TBSTXDV3V20SP) is currently priced at $0.1378/GB ($137.79 for 1TB) at Newegg.
Where can I buy OWC 1TB Atlas Ultra CFexpress Type B 4.0 Memory Card - Up to 3000 MB/s Write and 3650 MB/s Read Speeds - 1500MB/s Minimum Sustained Write Speed -... for the cheapest price?
The cheapest price for the OWC 1TB Atlas Ultra CFexpress Type B 4.0 Memory Card - Up to 3000 MB/s Write and 3650 MB/s Read Speeds - 1500MB/s Minimum Sustained Write Speed -... is $987.51 at Newegg, which works out to $0.9875/GB.