Micro Sd Memory Card Class 4
Overview
Product sourcing insights & recommendations
The market for Class 4 Micro SD cards has shifted significantly, now serving primarily as a legacy and industrial niche rather than a consumer standard. In 2026, these cards are mostly utilized for specialized equipment like CNC machines, 3D printers, and legacy GPS devices due to their low cost and stability for non-intensive data tasks.
Key insights include:
- Market Displacement: Class 4 (4 MB/s) has been largely replaced by Class 10 and UHS-I (10 MB/s+) for any consumer applications involving HD or 4K video.
- B2B Value: They remain highly affordable for bulk industrial sourcing, with unit prices ranging from $0.35 to $1.10 for low-capacity models.
- Legacy Persistence: A stable long-tail demand exists for 2GB–8GB cards in medical and automotive sectors where hardware compatibility is locked to older standards.
I have compiled a detailed market trend and technical insight report for your review below.
Here is the market insight report for Class 4 Micro SD cards. You can explore further by:
Micro Sd Card Class 4 Bulk Wholesale
Products · 2 lists
Wholesale Factory High-Capacity Micro Mini Plastic TF/SD Class4 UHS-1 Memory Card 8Gb-1Tb Custom Logo Bulk Package DVR Tablet PC
Shenzhen Pubin Technology Co., Ltd.verified🇨🇳CN1 yr
Bulk 4gb Sd Card with Adapter,upgrade 4gb Tf Card,256mb Upgrade 4gb Micro Card Class 4 64gb 128gb
Shenzhen Pengda Technology Limited🇨🇳CN14 yrs
100% GENUINE Brand New SanDisk Class 4 8GB 16GB 32GB Micro SD Micro SDHC TF Flash Memory Card C4 8 GB 16 32 G for Industrial Use
IOTECH (SHENZHEN) COMPANY LIMITED🇨🇳CN12 yrs
Bulk Price Micro Memory Sd Card 1GB 2GB 4GB 8GB 64GB 128GB Real Full Capacity High Speed
Shenzhen Hongzexin Electronics Co., Ltd.🇨🇳CN13 yrs
Wholesale Sd Card Bulk Micro 1GB 2GB 4GB 8GB 16GB 32GB 64GB 128GB 256GB 512GB TF Disk Flash SD Memory Card
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Lowest Price 2GB 4GB 8GB Micro TF SD Card 32GB 64GB High Speed 128GB Micro Camera Card Mobile Storage SD Card
Shenzhen Super Memory Technology Co., Ltd.🇨🇳CN3 yrs
Zuway Microsamples Bulk 4GB-256GB Mini SD Card Class10/U3 CE/FCC Certified True Capacity Memory Card 1 Year Warranty Custom Logo
Shenzhen Coosure Electronics Co. , Ltd.verified🇨🇳CN4 yrs![[No Retail,Bulk Packing] 100% Original SANDISK Micro SD MicroSDHC CARD](https://s.alicdn.com/@sc04/kf/Hec274aa69fa8472dbe083b4c039a358eS.png_640x640.png)
[No Retail,Bulk Packing] 100% Original SANDISK Micro SD MicroSDHC CARD
IOTECH (SHENZHEN) COMPANY LIMITED🇨🇳CN18 yrs
100% Original 128 Gb Micro Memory SD Card 4GB 8GB 16GB 32GB 64GB 128GB 256GB Micro TF SD Cards for Camera
Shenzhen Wanshunda Electronic Co.,Ltd🇨🇳CN7 yrs
Oem 32gb Micro Memory 16gb 8gb 4gb 2gb Sd Card Memory Cards 1gb 128mb
TF Card Micro SDXC Card 8GB 16GB 32GB 64GB 128GB Full Capacity Class 10 Memory Card CE RoHS FCC Certified Factory OEM Wholesale
Dillon Electronic Technology (Shenzhen) Co., Ltd.verified🇨🇳CN1 yr
100% Actual Capacity Micro Mini SD Card Wholesale 4GB 8GB 16GB PS5 TF Card 32GB 64GB 128GB 256GB Memory Card for Camera and Cell
SHOWMEI INTERNATIONAL CO., LIMITED🇭🇰HK1 yr
Customizable Class 4 SD Micro Card Box for 256MB-1TB Capacity for SDXC TF Cards Compatible Camera MP3 GPS Phone Storage Plastic
Dongguan Yumei Electronic Technology Co., Ltd.🇨🇳CN3 yrs
Wholesale Class 10 Micro Card, High Speed Memory Card Multi Capacity for Phones DVR Security Cameras, Custom Logo Available
Shenzhen Zhisenova Technology CO., Ltd.🇨🇳CN2 yrs
Wholesale Class 10 Mini SD Memory Card 32gb 64gb 128gb 256gb 512gb 1tb 2tb Flash Tf Sd 90m/s U3 A1 A2
Shenzhen Youlen Electronics Co., Ltd.verified🇨🇳CN4 yrs
Wholesale Memory Card 32GB 64GB 128GB 256GB Flash Micro TF SD Cards A1 Ultra Class 10 U1 U3
Shenzhen Gst Communication Co., Ltd🇨🇳CN12 yrs
Ceamere Original Wholesale Micro Memory SD Card 16GB 32GB 64GB 128GB 256GB Class10 U3 Real Capacity TF Flash Card 4GB for Phone
Shenzhen Smare Technology Limitedverified🇨🇳CN10 yrs
Wholesale Bulk 4GB TF Card True Capacity 64GB 128G 32G 8G Memory Card for Camera GPS MP3 Compatible Class10 Speed CN GUA Origin
Shenzhen Yongheng Electronics Co., Limited🇨🇳CN17 yrs
TF Card 32GB/64GB for Digital Camera Mobile Phone & Driving Recorder-CLASS10 Data Rate Secure Storage
Shenzhen Tuorui Electronic Technology Co., Ltd.verified🇨🇳CN3 yrs
New Wholesale China Carte Memoire Sd Memory Card 4gb 8gb 16gb 32gb 64gb 128gb Usb Memoria Micros Sd Tf Memory Cards
Shenzhen Longyexing Technology Co., Ltd.verified🇨🇳CN1 yr
Micro Memory Card 2gb 4gb 8gb 16gb 32gb 64gb 128gb 256gb Class10 Tf SD Card
Shenzhen Edo Technology Co., Ltd.🇨🇳CN6 yrs
Micro Real Capacity 64GB 32GB High Speed Memory Card for Mobile TF Card
Shenzhen Eud Digital Electronics Limited.🇨🇳CN13 yrs
Wholesale Micro Samples Bulk 4GB 8GB 16GB 64GB 128GB SD TF Card True Capacity 32GB 256GB Memory Card Taiwan Chip Memory Card
Shenzhen Qiugu Technology Co., Ltd.🇨🇳CN8 yrs
Factory Cheapest Micro Memory Card 2gb 4gb 8gb 16gb 32gb 64gb 128gb 256gb Class10 Tf SD Card
Shenzhen Fuke Ruite Technology Co., Ltd.🇨🇳CN1 yr
100% Full Capacity Class 10 U1 U3 Micro TF SD Card Memory 2GB 4GB 8GB 16GB 32GB 64GB 128GB Memory Card for Body Camera
Shenzhen Tianshidachuang Digital Technology Co., Ltd.🇨🇳CN7 yrs
SDSDQAB-004G micro card Class4 4GB 20MB/s Read 5MB/s Write TF micro card -25~85°C for Consumer Electronics IoT Device
Shenzhen Magich Technology Co., Ltd.🇨🇳CN1 yr
Reliable Micro Memory SD Card TF Card in Sizes 4GB 8GB 16GB 32GB 64GB 128GB High Durability for Outdoor Photography & Recording
Shenzhen Lefan Electronics Co., Ltd.verified🇨🇳CN4 yrsReliable Micro Memory SD Card TF Card in Sizes 4GB 8GB 16GB 32GB 64GB 128GB High Durability for Outdoor Photography & Recording
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