The Samsung P9 Express microSDXC Express Memory Card 512GB costs $0.2929/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 40% better value per gigabyte as of September 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
Samsung P9 Express microSDXC Express Memory Card 512GB 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 | Samsung P9 Express microSDXC Express Memory Card 512GB | 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 | Samsung | AGI |
| Capacity | 512 GB | 512GB |
| $/GB | $0.2929 | $0.1758 |
| Price | $149.99 | $89.99 |
| Retailer | Amazon | Newegg |
| Category | SD Cards | SD Cards |
| Subcategory | micro-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 Samsung P9 Express microSDXC Express Memory Card 512GB at $0.2929//GB — that's roughly 40% 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 Samsung P9 Express microSDXC Express Memory Card 512GB starts at $149.99 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each Samsung P9 Express microSDXC Express Memory Card 512GB 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 Samsung P9 Express microSDXC Express Memory Card 512GB 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 Samsung P9 Express microSDXC Express Memory Card 512GB at $0.2929//GB. That is approximately 40% better value per gigabyte.
What is the price per GB of Samsung P9 Express microSDXC Express Memory Card 512GB?
The Samsung P9 Express microSDXC Express Memory Card 512GB is currently priced at $0.2929/GB ($149.99 for 512 GB) at Amazon.
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.