The SanDisk Extreme Pro - Flash memory card - 512 GB - A2 / Video Class V30 / UHS-I U3 / Class10 - microSDXC UHS-I costs $0.3515/GB while the AGI 512GB TF138 MicroSDXC Memory Card C10 U3 V30 A2 Micro SD (R/W Speed up to 98/70 MBs) SD Card Adapter is accompanied for Using with DSLRs costs $0.1758/GB. AGI 512GB TF138 MicroSDXC Memory Card C10 U3 V30 A2 Micro SD (R/W Speed up to 98/70 MBs) SD Card Adapter is accompanied for Using with DSLRs offers 50% better value per gigabyte as of September 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SanDisk Extreme Pro - Flash memory card - 512 GB - A2 / Video Class V30 / UHS-I U3 / Class10 - microSDXC UHS-I vs AGI 512GB TF138 MicroSDXC Memory Card C10 U3 V30 A2 Micro SD (R/W Speed up to 98/70 MBs) SD Card Adapter is accompanied for Using with DSLRs — Which Is Better Value?
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Specification Comparison
| Spec | SanDisk Extreme Pro - Flash memory card - 512 GB - A2 / Video Class V30 / UHS-I U3 / Class10 - microSDXC UHS-I | AGI 512GB TF138 MicroSDXC Memory Card C10 U3 V30 A2 Micro SD (R/W Speed up to 98/70 MBs) SD Card Adapter is accompanied for Using with DSLRs |
|---|---|---|
| Brand | SanDisk | AGI |
| Capacity | 512GB | 512GB |
| $/GB | $0.3515 | $0.1758 |
| Price | $179.95 | $89.99 |
| Retailer | Newegg | Newegg |
| Category | SD Cards | SD Cards |
| Subcategory | micro-sd | micro-sd |
Price Across Retailers
SanDisk Extreme Pro - Flash memory card - 512 GB - A2 / Video Class V30 / UHS-I U3 / Class10 - microSDXC UHS-I
AGI 512GB TF138 MicroSDXC Memory Card C10 U3 V30 A2 Micro SD (R/W Speed up to 98/70 MBs) SD Card Adapter is accompanied for Using with DSLRs
Which Should You Buy?
Based on current pricing data, the AGI 512GB TF138 MicroSDXC Memory Card C10 U3 V30 A2 Micro SD (R/W Speed up to 98/70 MBs) SD Card Adapter is accompanied for Using with DSLRs offers better value at $0.1758//GB compared to the SanDisk Extreme Pro - Flash memory card - 512 GB - A2 / Video Class V30 / UHS-I U3 / Class10 - microSDXC UHS-I at $0.3515//GB — that's roughly 50% less per gigabyte.
The best deal for the AGI 512GB TF138 MicroSDXC Memory Card C10 U3 V30 A2 Micro SD (R/W Speed up to 98/70 MBs) SD Card Adapter is accompanied for Using with DSLRs is $89.99 at Newegg, while the SanDisk Extreme Pro - Flash memory card - 512 GB - A2 / Video Class V30 / UHS-I U3 / Class10 - microSDXC UHS-I starts at $179.95 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each SanDisk Extreme Pro - Flash memory card - 512 GB - A2 / Video Class V30 / UHS-I U3 / Class10 - microSDXC UHS-I and AGI 512GB TF138 MicroSDXC Memory Card C10 U3 V30 A2 Micro SD (R/W Speed up to 98/70 MBs) SD Card Adapter is accompanied for Using with DSLRs product page for detailed specifications and price history.
Frequently Asked Questions
Is SanDisk Extreme Pro - Flash memory card - 512 GB - A2 / Video Class V30 / UHS-I U3 / Class10 - microSDXC UHS-I or AGI 512GB TF138 MicroSDXC Memory Card C10 U3 V30 A2 Micro SD (R/W Speed up to 98/70 MBs) SD Card Adapter is accompanied for Using with DSLRs a better deal?
As of September 2026, AGI 512GB TF138 MicroSDXC Memory Card C10 U3 V30 A2 Micro SD (R/W Speed up to 98/70 MBs) SD Card Adapter is accompanied for Using with DSLRs offers better value at $0.1758//GB compared to SanDisk Extreme Pro - Flash memory card - 512 GB - A2 / Video Class V30 / UHS-I U3 / Class10 - microSDXC UHS-I at $0.3515//GB. That is approximately 50% better value per gigabyte.
What is the price per GB of SanDisk Extreme Pro - Flash memory card - 512 GB - A2 / Video Class V30 / UHS-I U3 / Class10 - microSDXC UHS-I?
The SanDisk Extreme Pro - Flash memory card - 512 GB - A2 / Video Class V30 / UHS-I U3 / Class10 - microSDXC UHS-I is currently priced at $0.3515/GB ($179.95 for 512GB) at Newegg.
Where can I buy AGI 512GB TF138 MicroSDXC Memory Card C10 U3 V30 A2 Micro SD (R/W Speed up to 98/70 MBs) SD Card Adapter is accompanied for Using with DSLRs for the cheapest price?
The cheapest price for the AGI 512GB TF138 MicroSDXC Memory Card C10 U3 V30 A2 Micro SD (R/W Speed up to 98/70 MBs) SD Card Adapter is accompanied for Using with DSLRs is $89.99 at Newegg, which works out to $0.1758/GB.