The SANDISK - 512GB Extreme PRO CFexpress Memory Card Type B costs $1.2695/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 86% better value per gigabyte as of September 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
SANDISK - 512GB Extreme PRO CFexpress Memory Card Type B 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 - 512GB Extreme PRO CFexpress Memory Card Type B | 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 | 512 GB | 512GB |
| $/GB | $1.2695 | $0.1758 |
| Price | $649.99 | $89.99 |
| Retailer | Best Buy | Newegg |
| Category | SD Cards | SD Cards |
| Subcategory | sd | micro-sd |
Price Across Retailers
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 - 512GB Extreme PRO CFexpress Memory Card Type B at $1.2695//GB — that's roughly 86% 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 - 512GB Extreme PRO CFexpress Memory Card Type B starts at $649.99 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 SANDISK - 512GB Extreme PRO CFexpress Memory Card Type B 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 - 512GB Extreme PRO CFexpress Memory Card Type B 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 - 512GB Extreme PRO CFexpress Memory Card Type B at $1.2695//GB. That is approximately 86% better value per gigabyte.
What is the price per GB of SANDISK - 512GB Extreme PRO CFexpress Memory Card Type B?
The SANDISK - 512GB Extreme PRO CFexpress Memory Card Type B is currently priced at $1.2695/GB ($649.99 for 512 GB) at Best Buy.
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.