Memory Card Sd 4 Gb

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Overview

Product sourcing insights & recommendations

Metastat Insights
Business Research Insights
20 来源

The 4GB SD memory card market is currently navigating a "Legacy Squeeze," where production is being phased out in favor of high-capacity AI-driven memory solutions, while critical demand persists in industrial, medical, and retro-gaming sectors. I have compiled a comprehensive report detailing the price volatility, supply shortages, and strategic sourcing recommendations for 2026.

Key Insights

  • Price Surges: Retail prices are projected to increase by 80% to 100% by mid-2026 due to NAND flash shortages caused by the global AI infrastructure boom.
  • Legacy Necessity: 4GB cards remain the only viable option for older hardware that cannot address SDHC or SDXC formats, creating a permanent but shrinking niche.
  • Sourcing Caution: Wholesale prices currently sit between $0.98 and $3.50, but buyers are warned to prioritize "Industrial Grade" (MLC/SLC) components to avoid the rising prevalence of low-quality "leftover" flash.

Detailed findings and recommended products are included in the report below.

Based on the legacy market shift, here are your next steps:

Memory Card Sd 4 Gb

Products · Top picks & verified manufacturers

Agrade High Speed 4 GB SD Memory Card for Camera and Phone-in Stock

Agrade High Speed 4 GB SD Memory Card for Camera and Phone-in Stock

$9.99-54.504.8(591)
MOQ: 5 sets
SD memory card4 GB capacity50+ store reviews8% reorder rate≤7h response time
Agrade Storage International Corporation LimitedAgrade Storage International Corporation Limited🇭🇰HK3 yrs
Real Capacity 4gb 8gb 16gb 32gb 64gb 128gb 256gb Sd Card with Box,full 4gb Tf Card,4gb Memory Card Price with Adpater

Real Capacity 4gb 8gb 16gb 32gb 64gb 128gb 256gb Sd Card with Box,full 4gb Tf Card,4gb Memory Card Price with Adpater

$1-164.6(474)
MOQ: 50 pieces
SD memory card4 GB capacity100+ store reviews34% reorder rate≤9h response time
Shenzhen Pengda Technology LimitedShenzhen Pengda Technology Limited🇨🇳CN14 yrs
High-Speed Class 10 U3 Mini Memory SD Card Plastic TF Card in Sizes 4GB 8GB 16GB 32GB 64GB 128GB

High-Speed Class 10 U3 Mini Memory SD Card Plastic TF Card in Sizes 4GB 8GB 16GB 32GB 64GB 128GB

$2.50-3.504.8(542)
MOQ: 10 pieces
SD memory card4 GB capacity
Shenzhen Usky Technology Co., Ltd.Shenzhen Usky Technology Co., Ltd.verified🇨🇳CN6 yrs
High-Speed Class 10 U3 Mini Memory SD Card Plastic TF Card Compatible with DVR Sizes 4GB 8GB 16GB 32GB 64GB 128GB

High-Speed Class 10 U3 Mini Memory SD Card Plastic TF Card Compatible with DVR Sizes 4GB 8GB 16GB 32GB 64GB 128GB

$53.3(476)
MOQ: 1 piece
SD memory card4 GB capacity100+ store reviews9% reorder rate≤4h response time
Shenzhen Daliyou Gift Manufacturing Co., Ltd.Shenzhen Daliyou Gift Manufacturing Co., Ltd.🇨🇳CN4 yrs
4GB SD Memory Card High Speed Flash Storage Card for Camera MP3 GPS  Monitoring Wholesale  Mini Flash Card Memory Card for Dvr

4GB SD Memory Card High Speed Flash Storage Card for Camera MP3 GPS Monitoring Wholesale Mini Flash Card Memory Card for Dvr

$1.54-17.804.0(79)
MOQ: 10 pieces
SD memory card4 GB capacity10% reorder rate≤7h response time
Shenzhen JSEUD technology Co., Ltd.Shenzhen JSEUD technology Co., Ltd.🇨🇳CN1 yr
Top Quality Flash Memory Card Sd Card 4 Gb Memorial High Speed Class 4gb Mini Sd Card

Top Quality Flash Memory Card Sd Card 4 Gb Memorial High Speed Class 4gb Mini Sd Card

$25.0(98)
MOQ: 100 pieces
SD memory card4 GB capacity
Shenzhen Longyexing Technology Co., Ltd.Shenzhen Longyexing Technology Co., Ltd.verified🇨🇳CN1 yr
SD Memory Card 4GB 8GB 16GB 32GB Flash Memory TF SD Card

SD Memory Card 4GB 8GB 16GB 32GB Flash Memory TF SD Card

$1.994.8(912)
MOQ: 50 pieces
SD memory card4 GB capacity100+ store reviews20% reorder rate≤2h response time
Shenzhen Goldever Technology Co., Ltd.Shenzhen Goldever Technology Co., Ltd.🇨🇳CN10 yrs
Custom Logo Mini SD Card 4GB/8GB/16GB/32GB/64GB Plastic Class10 High-Definition HD Video Recording

Custom Logo Mini SD Card 4GB/8GB/16GB/32GB/64GB Plastic Class10 High-Definition HD Video Recording

$1.49-14.045.0(517)
MOQ: 1 piece
SD memory card4 GB capacity
Dillon Electronic Technology (Shenzhen) Co., Ltd.Dillon Electronic Technology (Shenzhen) Co., Ltd.verified🇨🇳CN1 yr
4gb Sd Card Camera Highspeed Camera Memory Card 64gb 4k for High Endurance 128gb Sd Card Gaming

4gb Sd Card Camera Highspeed Camera Memory Card 64gb 4k for High Endurance 128gb Sd Card Gaming

$1.47-633.5(421)
MOQ: 1 piece
SD memory card4 GB capacity100+ store reviews≤9h response time
Shenzhen Winbo Digital Co., Ltd.Shenzhen Winbo Digital Co., Ltd.🇨🇳CN20 yrs
Original SD 4G Industrial Grade GRADE Memory Card

Original SD 4G Industrial Grade GRADE Memory Card

$4.504.9(77)
MOQ: 10 pieces
SD memory card4 GB capacity600+ store reviews21% reorder rate≤3h response time
Shenzhen Sinosky Electronics Co., Ltd.Shenzhen Sinosky Electronics Co., Ltd.verified🇨🇳CN9 yrs
Hot Selling High Speed 4GB 8gb  Memory Card 32G/ 64G/ 128G Industrial Grade SD Card Memory Card for Camera MDVR

Hot Selling High Speed 4GB 8gb Memory Card 32G/ 64G/ 128G Industrial Grade SD Card Memory Card for Camera MDVR

$2.79-6.184.9(369)
MOQ: 1 piece
SD memory card4 GB capacity25% reorder rate≤7h response time
Shenzhen Fuke Ruite Technology Co., Ltd.Shenzhen Fuke Ruite Technology Co., Ltd.🇨🇳CN1 yr
Original 4GB 8GB 16GB 32GB 2GB 2 4 8 16 32 SD TF Flash Memory Cards for Mobile Phone Camera

Original 4GB 8GB 16GB 32GB 2GB 2 4 8 16 32 SD TF Flash Memory Cards for Mobile Phone Camera

$3.504.8(502)
MOQ: 200 pieces
SD memory card4 GB capacity2000+ store reviews11% reorder rate≤3h response time
Guangzhou Ronc Electronic Technology Co.,ltdGuangzhou Ronc Electronic Technology Co.,ltdverified🇨🇳CN18 yrs
Wholesale High Quality 4GB 8GB 16GB 32GB 64GB 128GB 256GB Mini Sd Memory Card with Class 10

Wholesale High Quality 4GB 8GB 16GB 32GB 64GB 128GB 256GB Mini Sd Memory Card with Class 10

$2-224.7(815)
MOQ: 10 pieces
SD memory card4 GB capacity400+ store reviews5% reorder rate≤3h response time
Guangzhou Jingying Information Technology Co., Ltd.Guangzhou Jingying Information Technology Co., Ltd.🇨🇳CN9 yrs
512MB/4GB/8GB/16GB High Speed Good Quality Low Price TF SD Memory Cards

512MB/4GB/8GB/16GB High Speed Good Quality Low Price TF SD Memory Cards

$0.90-4.594.6(247)
MOQ: 10 pieces
SD memory card4 GB capacity21% reorder rate≤5h response time
Nanning Wuming District Fuman General Store (individual Business)Nanning Wuming District Fuman General Store (individual Business)🇨🇳CN1 yr
Wholesale Good Quality Memoria USB 2GB 4 Gb 16G 32 Gb 64 Gb 128GB Memory SD Card for Camera With Adapter

Wholesale Good Quality Memoria USB 2GB 4 Gb 16G 32 Gb 64 Gb 128GB Memory SD Card for Camera With Adapter

$0.98-324.9(229)
MOQ: 50 pieces
SD memory card50+ store reviews20% reorder rate≤2h response time
Huilangxin (shenzhen) Technology Co., Ltd.Huilangxin (shenzhen) Technology Co., Ltd.🇨🇳CN1 yr
512MB/4GB/8GB/16GB High Speed Good Quality Low Price TF SD Memory Cards

512MB/4GB/8GB/16GB High Speed Good Quality Low Price TF SD Memory Cards

$0.90-4.594.5(247)
MOQ: 10 pieces
SD memory card4 GB capacity
Nanning Wuming District Fuman General Store (individual Business)Nanning Wuming District Fuman General Store (individual Business)verified🇨🇳CN12 yrs
Wholesale Good Quality Memoria USB 2GB 4 Gb 16G 32 Gb 64 Gb 128GB Memory SD Card for Camera With Adapter

Wholesale Good Quality Memoria USB 2GB 4 Gb 16G 32 Gb 64 Gb 128GB Memory SD Card for Camera With Adapter

$0.98-324.4(229)
MOQ: 50 pieces
SD memory card
Huilangxin (shenzhen) Technology Co., Ltd.Huilangxin (shenzhen) Technology Co., Ltd.verified🇨🇳CN14 yrs

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