4gb Micro Sd
Overview
Product sourcing insights & recommendations
The 4GB micro SD card market has officially entered a "legacy niche" phase in 2026, driven by a structural global memory shortage. As major manufacturers like SanDisk and Samsung pivot their NAND flash production toward AI data centers, 4GB capacity is no longer mass-produced, leading to severe supply constraints and a projected 100% price surge by mid-2026.
Key insights include:
- Supply Pivot: The entire 2026 production capacity of leading memory controller manufacturers was sold out in advance to AI enterprise clients, creating a "ghost product" status for low-capacity retail cards.
- Legacy Dependency: Demand remains critical for industrial automation, medical equipment, and older GPS units that cannot read newer SDHC/SDXC standards.
- Strategic Sourcing: Wholesale prices currently range from $0.90 to $4.50 per unit, with a high risk of counterfeits in the market. Buyers are advised to prioritize verified B2B suppliers who provide H2 reliability testing and fixed Bill of Materials (BOM).
The detailed report below covers these trends, current pricing metrics, and risk mitigation strategies for bulk sourcing.
I have analyzed the current market shift and pricing volatility for 4GB storage. You can continue with:
Bulk Micro Sd Card 4gb Class 4 Class 10
Products · 3 lists
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
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
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
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
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
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
Best Sale 100% Full Real Capacity Micro Memory Card Sd Mini Card 128mb 256mb 1GB2GB 4GB 8GB 16GB 32GB 64GB 128GB 256gb 512gb 1tb
Shenzhen Sxjd Electronic Technology Co., Ltd.🇨🇳CN14 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
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
Full Capacity Mini SD TF Card for Security Camera Wholesale
Dillon Electronic Technology (Shenzhen) Co., Ltd.verified🇨🇳CN1 yr
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
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
Wholesale Memory 4GB TF Card True Capacity 128MB 1GB 2GB 8GB 32GB 64G 128G Camera GPS MP3 Compatible Class10 Speed CN GUA Origin
Shenzhen Yongheng Electronics Co., Limited🇨🇳CN17 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
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
OEM High Quality C10 Class 10 16gb Micro Mini Sd Card 4GB 128MB 2gb TF Card Memory Card for Device Kit Application Steam Deck
Shenzhen Longyexing Technology Co., Ltd.verified🇨🇳CN1 yr
Cheap TF CARD 4GB 8GB High Speed Best Quality SD Memory Card 16GB 32GB 64GB 128GB 256GB Micro Memory SD Card for Camera SD
Shenzhen Fuke Ruite Technology Co., Ltd.🇨🇳CN1 yr
Wholesale SD memory card TF card 128MB to 4GB Class 6 to Class 10 suitable for MP3 MP4 players audio equipment phones and more.
HONGKONG SMARE TRADING LIMITED🇭🇰HK1 yr
High Quality China Taiwan Memory Micro Card 4gb Class 6 Wholesale with Adapter 1tb 2tb Upgraded
Shenzhen Pengda Technology Limited🇨🇳CN14 yrs
Wholesale Sd Card Bulk Micro 1GB 2GB 4GB 8GB 16GB 32GB 64GB 128GB 256GB 512GB TF Disk Flash SD Memory Card
Shenzhen Xinlong Xing Electronic Technology Co., Ltd.verified🇨🇳CN8 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
Custom Logo Bulk Wholesale High Speed Class10 A2 32GB 64GB 128GB CE Certified Black Mini SD Card for Mobile Phone Tablet PC
Shenzhen Jinfly Semiconductor Corporation🇨🇳CN5 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
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
Best Sale 100% Full Real Capacity Micro Memory Card Sd Card 2GB 4GB 8GB 16GB 32GB 64GB 128GB 256gb 512gb 1tb
4gb 8gb 16gb 32gb 64gb 128gb 256 Gb 512gb ultra Pro Endurance Plus Storage Micro Mini Sd Card Class 10 Speed
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 yrs
High Quality Memory Card Micro TF SD Card 128GB Class 10 TF 64GB 32GB 16GB 4GB 8GB External Pen Drive Flash Memory Disk
Shenzhen Greatbuy Technology Co., Ltd.🇨🇳CN9 yrsHigh Quality Memory Card Micro TF SD Card 128GB Class 10 TF 64GB 32GB 16GB 4GB 8GB External Pen Drive Flash Memory Disk
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Full Market Report
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Sources & References
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