4ch vs SanDisk SD Cards
Side-by-side price per gigabyte comparison across 254 products.
As of March 2026, 4ch averages $0.1336/GB across 1 products while SanDisk averages $0.8155/GB across 253 products on BuyPerUnit. 4ch offers 84% better value per gigabyte for sd cards.
4ch
Better ValueCheapest Product
4CH MDVR Loop Recording Support 512GB For Single SD Card Mobile DVR For Bus Truck512GB · $68.42 · newegg
SanDisk
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-GN6MA256 GB · $28.20 · amazon
Top Products Compared
| Rank | Brand | Product | Capacity | $/GB | Price | Retailer |
|---|---|---|---|---|---|---|
| 1 | 4ch | 4CH MDVR Loop Recording Support 512GB For Single SD Card Mobile DVR For Bus Truck | 512GB | $0.1336 | $68.42 | 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 | 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 | SanDisk | SANDISK - Ultra PLUS 1.5TB microSDXC UHS-I Memory Card | 1.5 TB | $0.1293 | $193.99 | bestbuy |
| 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, 4ch offers better overall value for sd cards at an average of $0.1336/GB compared to SanDisk's $0.8155/GB — that's roughly 84% less per gigabyte.
4ch's best deal is the 4CH MDVR Loop Recording Support 512GB For Single SD Card Mobile DVR For Bus Truck (512GB) at $0.1336/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 4ch or SanDisk cheaper per GB for sd cards?
As of March 2026, 4ch averages $0.1336/GB compared to SanDisk at $0.8155/GB. 4ch is approximately 84% cheaper per gigabyte on average.
How many 4ch and SanDisk sd cards does BuyPerUnit track?
BuyPerUnit currently tracks 1 4ch products and 253 SanDisk products in the sd cards category, all ranked by price per gigabyte.
What is the cheapest 4ch sd card per GB?
The cheapest 4ch option is the 4CH MDVR Loop Recording Support 512GB For Single SD Card Mobile DVR For Bus Truck at $0.1336/GB ($68.42 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).