128gb vs Agi SD Cards
Side-by-side price per gigabyte comparison across 5 products.
As of March 2026, 128gb averages $0.7891/GB across 1 products while Agi averages $0.2420/GB across 4 products on BuyPerUnit. Agi offers 69% better value per gigabyte for sd cards.
128gb
Agi
Better ValueCheapest Product
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,...512GB · $103.99 · newegg
Top Products Compared
| Rank | Brand | Product | Capacity | $/GB | Price | Retailer |
|---|---|---|---|---|---|---|
| 1 | 128gb | 128gb Sdxc Class10 Uhs-i Card | 128GB | $0.7891 | $101.01 | newegg |
| 1 | Agi | 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,... | 512GB | $0.2031 | $103.99 | newegg |
| 2 | Agi | AGI 1TB TF138 MicroSD Memory, High-Capacity Storage Suit for Gaming. MicroSDXC A2 U3 V30 4K UHS-I U3 (Read Speed up to 170 MB/s, Write Speed up to... | 1TB | $0.2220 | $221.99 | newegg |
| 3 | Agi | AGI 256GB 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,... | 256GB | $0.2539 | $64.99 | newegg |
| 4 | Agi | AGI 128GB 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,... | 128GB | $0.2890 | $36.99 | newegg |
Which Should You Buy?
Based on current pricing data, Agi offers better overall value for sd cards at an average of $0.2420/GB compared to 128gb's $0.7891/GB — that's roughly 69% less per gigabyte.
Agi's best deal is 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,... (512GB) at $0.2031/GB, while 128gb's cheapest option is the 128gb Sdxc Class10 Uhs-i Card (128GB) at $0.7891/GB.
However, price per GB isn't everything — consider factors like warranty, performance specs, and your specific capacity needs. Check individual product pages for detailed specifications.
Frequently Asked Questions
Is 128gb or Agi cheaper per GB for sd cards?
As of March 2026, Agi averages $0.2420/GB compared to 128gb at $0.7891/GB. Agi is approximately 69% cheaper per gigabyte on average.
How many 128gb and Agi sd cards does BuyPerUnit track?
BuyPerUnit currently tracks 1 128gb products and 4 Agi products in the sd cards category, all ranked by price per gigabyte.
What is the cheapest 128gb sd card per GB?
The cheapest 128gb option is the 128gb Sdxc Class10 Uhs-i Card at $0.7891/GB ($101.01 for 128GB).
What is the cheapest Agi sd card per GB?
The cheapest Agi option is 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 $0.2031/GB ($103.99 for 512GB).