The SANDISK 512GB Extreme PRO SD Memory Card, Up to 200MB/s Read Speeds, UHS-I costs $0.3372/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 48% 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 SD Memory Card, Up to 200MB/s Read Speeds, 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 512GB Extreme PRO SD Memory Card, Up to 200MB/s Read Speeds, 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 | 512 GB | 512GB |
| $/GB | $0.3372 | $0.1758 |
| Price | $172.66 | $89.99 |
| Retailer | Amazon | 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 SD Memory Card, Up to 200MB/s Read Speeds, UHS-I at $0.3372//GB — that's roughly 48% 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 SD Memory Card, Up to 200MB/s Read Speeds, UHS-I starts at $172.66 at Amazon.
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 SD Memory Card, Up to 200MB/s Read Speeds, 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 512GB Extreme PRO SD Memory Card, Up to 200MB/s Read Speeds, 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 512GB Extreme PRO SD Memory Card, Up to 200MB/s Read Speeds, UHS-I at $0.3372//GB. That is approximately 48% better value per gigabyte.
What is the price per GB of SANDISK 512GB Extreme PRO SD Memory Card, Up to 200MB/s Read Speeds, UHS-I?
The SANDISK 512GB Extreme PRO SD Memory Card, Up to 200MB/s Read Speeds, UHS-I is currently priced at $0.3372/GB ($172.66 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.