Micro Memory Card 4 Gb
Overview
Product sourcing insights & recommendations
In 2026, the market for the 4GB micro memory card is characterized by a strategic shift from general consumer electronics to highly specialized industrial and legacy applications. While high-capacity cards (128GB+) dominate the consumer space, the 4GB capacity remains a vital "legacy standard" due to its hardware compatibility and cost-effectiveness in mass-produced IoT devices AlibabaJoybuy.
Market Trends & Pricing (2026)
* Wholesale Price Floor: 4GB cards have reached a pricing plateau, typically retailing between $2.10 and $4.50 for bulk industrial orders AlibabaAlibaba.
* Price Per GB Inefficiency: From a consumer perspective, 4GB cards are a "false economy." High-capacity models (e.g., 128GB) offer a much lower cost-per-gigabyte ($0.03–$0.05), whereas 4GB pricing is primarily driven by manufacturing and logistics overhead rather than the flash memory itself AlibabaAdorama.
* Supply Volatility: Manufacturers are increasingly prioritizing high-density 3D NAND for AI servers and smartphones, making the low-density chips required for 4GB cards subject to occasional supply shortages and price spikes SubstackAlibaba.
Product Insights & Use Cases
Despite the phase-out in smartphones and cameras, 4GB cards are preferred for:
* Industrial IoT & Edge Computing: Used for storing small text-based logs or configuration files where raw volume is unnecessary, and reliability (High Endurance) is prioritized AlibabaAlibaba.
* Legacy Device Compatibility: Essential for older hardware (e.g., medical devices, specialized networking gear) that cannot address the newer SDXC or SDUC high-capacity standards AlibabaKingspectech.
* Fixed-Function Hardware: Ideal for automotive GPS systems (Navi) or boot media for thin clients, where the software footprint is static and predictable Alibaba.
Technical Specifications
Modern 4GB cards are typically microSDHC (Secure Digital High Capacity) Kingston. While Class 4 was historically common, current market offerings often feature Class 10 speeds to ensure stability in industrial data logging AlibabaAlibaba.
Here are the product and market insights for 4GB microSD cards. You can continue with:
Micro Memory Card 4 Gb Microsdhc Class 4 Class 10
Products · 2 lists
Wholesale Flash Micro TF SD Memory Card Class 10 U3 A1 Speed 4GB 8GB 16GB 32GB 64GB 128GB 256GB for Camera
Shenzhen Tianshidachuang Digital Technology Co., Ltd.🇨🇳CN7 yrs
class 10 real 4gb micro memory card unlock,real capacity memory card 4gb class 10 1tb
Shenzhen Pengda Technology Limited🇨🇳CN14 yrs
For Mini SD Memory Card 2GB-512GB Wholesale
Shenzhen Hongtai Auspicious Technology Co., Ltd.🇨🇳CN21 yrs
Custom High Speed Micro TF SD Memory Card Class 10 SD Chips Card with 128MB 4GB 8GB 16GB 32GB 64GB 128GB Capacity
Shenzhen Zhiming Communication Technology Co., Ltd.verified🇨🇳CN4 yrs
TF4GB 8GB Flash Memory SD Card Plastic Class 10 32GB Micro Memory Card 64GB 128GB Camera Micro Memory SD Cards 128mbsd
Shenzhen Youlen Electronics Co., Ltd.verified🇨🇳CN4 yrs
Cheaper Price Class 6 1GB 2GB 4GB Micro SDHC Memory Card Mini TF SD Card Extra Plastic Memorias Card for Smartphone Accessories
Shenzhen Zsuit Technology Co., Ltd.verified🇨🇳CN7 yrs
Memory Card Class10 U3 TF Card 4GB 8GB 16GB 32GB 64GB 128GB Full Capacity Micro Memory Card for Dash Cam Phone Camera CCTV
Shenzhen Yishunjian Technology Co., Ltd.🇨🇳CN1 yr
Wholesale Micro 4GB SD TF Card True Capacity 128MB 1GB 2GB 8GB 32GB Camera GPS MP3 Compatible Class10 Speed CN GUA Origin
Shenzhen Yongheng Electronics Co., Limited🇨🇳CN17 yrs
Full Capacity Plastic Memory Card 4GB-128GB Mini TF/ Card with Class10 U3 High Speed for Mobile Phone
Shenzhen Kingyes Technology Co., Ltd.🇨🇳CN12 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
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![[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
Wholesale Custom AX C10 Memory Card 128MB 256MB 512MB 2GB 4GB 8GB 16GB 32GB 64GB 128GB Micro TF Flash Card Memory Card
Shenzhen Wanzhongke Technology Co., Ltd.🇨🇳CN7 yrs
Original Micro 32gb Class10 Speed Sd Memory Card 4gb 8gb 16gb 128gb 256gb for samsung Phone
Shenzhen Hongzexin Electronics Co., Ltd.🇨🇳CN13 yrs
SD Card 4GB 8GB 16GB 32GB 64GB 128GB 256GB 512GB 1TB Micro Memory Cards Sd Cart 32gb 64gb 128gb 256gb Flash Memory Tf Sd Card
Wholesale High Speed Micro TF SD Card 2GB 4GB 32GB 64GB 128GB 256GB 512GB Memory Card for Smart Phones
Shenzhen Super Memory Technology Co., Ltd.🇨🇳CN3 yrs
Factory-Direct Sales 4GB-128GB Class 10 TF for Card for Phones Cameras Surveillance Dashcams Memory Card
Shenzhen Weichang Technology Co., Ltd.🇨🇳CN6 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
Wholesale High-Speed 4GB/8GB/64GB/128GB/256GB/512GB Mini SD Card Class10 U3 Flash TF Card for Dash Cam and Action Camera
Shenzhen Novus Technology Co., Ltd.verified🇨🇳CN1 yr
China Supply High Quality 2gb Memory Cards Manufactures From China,4gb Micro Brand Name Memory Card with logo
Shenzhen Gemi Electronic Co., Ltd.🇨🇳CN11 yrs
Wholesale 100% Original Memory Card 2Gb 4Gb 8Gb 16Gb 32Gb 64Gb 128Gb Mini Sd Tf Cf Micro Card for Mp3 Gps Camera Mobile Phones
Shenzhen Sxjd Electronic Technology Co., Ltd.🇨🇳CN14 yrs
4GB Plastic for Card U3 Speed for Car Audio System Music Playback
Shenzhen Chaoyu Shuchuang Technology Co., Ltd.🇨🇳CN1 yr
Full Real Capacity Memory Card 128M 512M 4G 8G 16G 32G TF Micro Class 10 64G 128G 256G GPS DVR Sports Camera
Shenzhen E-Friend Innovation Technology Co., Ltd🇨🇳CN4 yrs
Factory Wholesale Price High Speed Mobile Phone Memory Card 2gb 4gb 8gb 16gb 32gb 64gb 128gb Class10 Camera TF Micro Memory Card
Shenzhen M&C Electronics Co., Ltd.🇨🇳CN12 yrs
Factory Hot Selling High-Speed Class 10 A2 Mini SD/Memory Card 16GB-2TB CE/FCC Certified OEM Brand
Shenzhen Jinfly Semiconductor Corporation🇨🇳CN5 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
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
Gitra Shenzhen Wholesale Micro Memory Card 8GB 16GB 32GB 64GB C10 TF Card Flash Drive for Mobile Phones Camera
Shenzhen Gitra Technology Co., Ltd.verified🇨🇳CN11 yrs
100% Original Micro Memory Sd-hc Sd-xc Card Uhs-I U1 Class10 Sd Memory Card 32GB 64GB 128GB 256GB
Shenzhen Newsunda Electronic Co., Limited🇨🇳CN9 yrs100% Original Micro Memory Sd-hc Sd-xc Card Uhs-I U1 Class10 Sd Memory Card 32GB 64GB 128GB 256GB
Related Searches
Explore more sourcing topics & related categories
Sources & References
19 sources cited · Verified industry data & reports
SD Memory Cards Market Outlook 2026-2035
Business Research Insights
The global SD Memory Cards Market size was valued at USD 19.24 billion in 2026 and is estimated to reach USD 27.12 billion by 2035, growing a CAGR of 3.9%
SD Memory Card Market Size & Share Report by 2031
Metastat Insights
SD Memory Card market is estimated to reach $9521.7 million in 2024 (Up to 4GB, 4GB - 32GB, 2026 industrial applications. From small capacities ...
Are memory cards about to get very expensive?
Substack · The Photographer’s Perspective
SanDisk has reportedly raised its NAND flash contract prices by a staggering 50% for November, according to DigiTimes Asia. This move ...
Memory Card Shortage 2026: How Photographers Can ...
Luminous Landscape
Memory Card Shortage 2026 is hitting SD and CFexpress prices. Stock up now to protect your photography workflow before supplies run out.
Micro SD Card Guide: How to Choose the Right One in 2026
Alibaba.com
The global micro SD card market is projected to reach $11.89 billion in 2026, growing at a steady 4.6–6.4% CAGR through 20332.
Secure Digital Card Market Size, Trends Report 2026-2030
The Business Research Company
Major trends in the forecast period include increasing demand for high-capacity memory cards, rising adoption of micro sd cards across devices, growing focus on ...