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 $0.2422/GB while the SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter costs $0.1952/GB. SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter offers 19% better value per gigabyte as of August 2026. Both products are available on BuyPerUnit with prices from Amazon, Best Buy, and Newegg.
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 vs SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter — Which Is Better Value?
Specification Comparison
| Spec | 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 | SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter |
|---|---|---|
| Brand | AGI | SanDisk |
| Capacity | 512GB | 512GB |
| $/GB | $0.2422 | $0.1952 |
| Price | $123.99 | $99.95 |
| Retailer | Newegg | Newegg |
| Category | SD Cards | SD Cards |
| Subcategory | micro-sd | micro-sd |
Price Across Retailers
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
SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter
Which Should You Buy?
Based on current pricing data, the SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter offers better value at $0.1952//GB compared to 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 at $0.2422//GB — that's roughly 19% less per gigabyte.
The best deal for the SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter is $99.95 at Newegg, 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 starts at $123.99 at Newegg.
However, price per gigabyte isn't everything — consider factors like warranty, performance specs, brand reliability, and your specific capacity needs. Check each 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 and SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter product page for detailed specifications and price history.
Frequently Asked Questions
Is 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 or SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter a better deal?
As of August 2026, SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter offers better value at $0.1952//GB compared to 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 at $0.2422//GB. That is approximately 19% better value per gigabyte.
What is the price per GB of 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?
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 currently priced at $0.2422/GB ($123.99 for 512GB) at Newegg.
Where can I buy SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter for the cheapest price?
The cheapest price for the SanDisk SDSQUNR-512G-GN3MN 512GB 8pin microSDXC r100MB/s C10 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter is $99.95 at Newegg, which works out to $0.1952/GB.