4ch vs Sony SD Cards
Side-by-side price per gigabyte comparison across 15 products.
As of March 2026, 4ch averages $0.1336/GB across 1 products while Sony averages $6.2269/GB across 14 products on BuyPerUnit. 4ch offers 98% 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
Sony
Cheapest Product
Sony CEA-G Series CFexpress 960GB Type A Memory Card - IP57-Rated, VPG400 Certified Up to 1800MB/s Read, 1700MB/s Write960GB · $509.95 · newegg
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 | Sony | Sony CEA-G Series CFexpress 960GB Type A Memory Card - IP57-Rated, VPG400 Certified Up to 1800MB/s Read, 1700MB/s Write | 960GB | $0.5312 | $509.95 | newegg |
| 2 | Sony | Sony 128GB SF-M Tough Series UHS-II SDXC Memory Card | 128GB | $0.6246 | $79.95 | newegg |
| 3 | Sony | Sony - CEA-G240T | 240 GB | $1.0833 | $259.99 | bestbuy |
| 4 | Sony | Sony - SFG128T/T1 128GB SDXC UHS-II TOUGH G Series Memory Card | 128 GB | $1.6405 | $209.99 | bestbuy |
| 5 | Sony | Sony - QDG120F/J 120GB XQD Memory Card | 120 GB | $1.6666 | $199.99 | bestbuy |
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 Sony's $6.2269/GB — that's roughly 98% 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 Sony's cheapest option is the Sony CEA-G Series CFexpress 960GB Type A Memory Card - IP57-Rated, VPG400 Certified Up to 1800MB/s Read, 1700MB/s Write (960GB) at $0.5312/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 Sony cheaper per GB for sd cards?
As of March 2026, 4ch averages $0.1336/GB compared to Sony at $6.2269/GB. 4ch is approximately 98% cheaper per gigabyte on average.
How many 4ch and Sony sd cards does BuyPerUnit track?
BuyPerUnit currently tracks 1 4ch products and 14 Sony 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 Sony sd card per GB?
The cheapest Sony option is the Sony CEA-G Series CFexpress 960GB Type A Memory Card - IP57-Rated, VPG400 Certified Up to 1800MB/s Read, 1700MB/s Write at $0.5312/GB ($509.95 for 960GB).