The SANDISK 512GB Extreme microSD Card + Adapter, Up to 190MB/s Read Speeds costs $0.2344/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 25% 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 microSD Card + Adapter, Up to 190MB/s Read Speeds 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 microSD Card + Adapter, Up to 190MB/s Read Speeds | 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 | $0.2344 | $0.1758 |
| Price | $119.99 | $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 SANDISK 512GB Extreme microSD Card + Adapter, Up to 190MB/s Read Speeds at $0.2344//GB — that's roughly 25% 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 microSD Card + Adapter, Up to 190MB/s Read Speeds starts at $119.99 at Amazon.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each SANDISK 512GB Extreme microSD Card + Adapter, Up to 190MB/s Read Speeds 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 microSD Card + Adapter, Up to 190MB/s Read Speeds 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 microSD Card + Adapter, Up to 190MB/s Read Speeds at $0.2344//GB. That is approximately 25% better value per gigabyte.
What is the price per GB of SANDISK 512GB Extreme microSD Card + Adapter, Up to 190MB/s Read Speeds?
The SANDISK 512GB Extreme microSD Card + Adapter, Up to 190MB/s Read Speeds is currently priced at $0.2344/GB ($119.99 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.