Agi vs SanDisk SD Cards

Side-by-side price per gigabyte comparison across 257 products.

As of March 2026, Agi averages $0.2420/GB across 4 products while SanDisk averages $0.8155/GB across 253 products on BuyPerUnit. Agi offers 70% better value per gigabyte for sd cards.

Agi

Better Value

Avg $/GB$0.2420

Best $/GB$0.2031

Price Range$0.2031 – $0.2890

Products4

Cheapest 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

SanDisk

Avg $/GB$0.8155

Best $/GB$0.1102

Price Range$0.1102 – $41.0930

Products253

Cheapest Product

SanDisk 256GB Extreme microSDXC UHS-I Memory Card with Adapter - Up to 190MB/s, C10, U3, V30, 4K, 5K, A2, Micro SD Card - SDSQXAV-256G-GN6MA

256 GB · $28.20 · amazon

Top Products Compared

Rank	Brand	Product	Capacity	$/GB	Price	Retailer
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
1	SanDisk	SanDisk 256GB Extreme microSDXC UHS-I Memory Card with Adapter - Up to 190MB/s, C10, U3, V30, 4K, 5K, A2, Micro SD Card - SDSQXAV-256G-GN6MA	256 GB	$0.1102	$28.20	amazon
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
2	SanDisk	SanDisk SDSQUA4-400G-GN6MN MAT 400GB 8pin microSDXC r120MB/s C10 U1 A1 UHS-I SanDisk Ultra microSDXC Memory Card w/out Adapter Retail	400GB	$0.1209	$48.35	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
3	SanDisk	SANDISK - Ultra PLUS 1.5TB microSDXC UHS-I Memory Card	1.5 TB	$0.1293	$193.99	bestbuy
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
4	SanDisk	SanDisk SDSDUNR-256G-GN3IN DHE 256GB 9pin SDXC r100MB/s C10 UHS-I SanDisk Ultra SDXC Memory Card Retail	256GB	$0.1313	$33.60	newegg
5	SanDisk	SanDisk Ultra Plus 128GB SDXC UHS-I Memory Card	128 GB	$0.1395	$17.85	amazon

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 SanDisk's $0.8155/GB — that's roughly 70% 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 SanDisk's cheapest option is the SanDisk 256GB Extreme microSDXC UHS-I Memory Card with Adapter - Up to 190MB/s, C10, U3, V30, 4K, 5K, A2, Micro SD Card - SDSQXAV-256G-GN6MA (256 GB) at $0.1102/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 Agi or SanDisk cheaper per GB for sd cards?

As of March 2026, Agi averages $0.2420/GB compared to SanDisk at $0.8155/GB. Agi is approximately 70% cheaper per gigabyte on average.

How many Agi and SanDisk sd cards does BuyPerUnit track?

BuyPerUnit currently tracks 4 Agi products and 253 SanDisk products in the sd cards category, all ranked by price per gigabyte.

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).

What is the cheapest SanDisk sd card per GB?

The cheapest SanDisk option is the SanDisk 256GB Extreme microSDXC UHS-I Memory Card with Adapter - Up to 190MB/s, C10, U3, V30, 4K, 5K, A2, Micro SD Card - SDSQXAV-256G-GN6MA at $0.1102/GB ($28.20 for 256 GB).

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