Sd4.0 Card Reader
Overview
Product sourcing insights & recommendations
The SD 4.0 (UHS-II) card reader market is currently dominated by professional-grade devices offering transfer speeds up to 312 MB/s. This standard has become a requirement for 4K/8K video workflows, moving from a niche luxury to a mainstream professional tool. While emerging standards like SD Express exist, SD 4.0 remains the high-performance volume leader due to its balance of cost and speed.
Key insights include:
- Technical Shift: Readers now favor USB 3.2 Gen 2 interfaces to avoid bottlenecks and use aluminum housings for critical heat dissipation.
- Market Dynamics: Sourcing prices range from $4.50 to $12.00 for standard professional units, with a growing trend toward hybrid readers that include CFexpress slots.
- Consumer Behavior: There is a strong preference for 2-in-1 USB-C/A connectivity and integrated cable designs to support mobile workstation setups.
I have compiled a detailed report and a product sourcing list for your review.
Based on this market overview, you might want to explore specific sourcing options:
Sd 4.0 Uhs Ii Card Reader Usb C Usb A Dual Slot 312mb S
Products · 2 lists
SAMZHE High Speed Type-C/USB-A 3.0 Card Reader Dual Slot for SD MicroSD UHS-I/II Cards Compatible with iPhone iPad Mac PC Camera
Shenzhen SAMZHE E-commerce Co., Ltd.🇨🇳CN1 yr
4.0 SD Card Reader Adapter 312MB/s for MicroSD/USB-A UHS-II/I Support OTG Plug&Play Memory Card Reader
Guangzhou Amplec Electronic Co., Ltd.🇨🇳CN9 yrs
USB 3.0 4-in-1 Card Reader & Hub, 5Gbps CFast 2.0/SD UHS-II Reader with USB-A/USB-C Ports for Pro Video Workflows
Shenzhen Ditaijia Technology Co., Ltd.verified🇨🇳CN1 yr
Wholesale Aluminum USB C SD 4.0 Card Reader UHS-II 312MB/s High Speed SD TF Memory Card Adapter for 4K Video Camera Photographer
Shenzhen Yingmeicheng Technology Development Co., Ltd.verified🇨🇳CN1 yr
OEM Custom Dual Slots USB 4.0 Type C to Micro SD Card Adapter Memory Card Reader for MicroSD, SDHC, Compatible with Laptop, PC
10Gbps USB 3.2 Gen 2 UHS-II SD TF 4.0 CFexpress Type A Type B Card Reader 6 In 1 USB C Type C Adapter Hub Laptop Docking Station
Shenzhen Blueendless Co., Ltd.verified🇨🇳CN21 yrs
Customize SD 4.0 2-in-1 Memory Card Reader USB-C/A & DC Output for Laptop Use Supports SDXC/SDHC/
Ji'an Zhongrui Electronics Co., Ltd.verified🇨🇳CN3 yrs
Dockteck Super Speed USB3.1 3-Slot USBC Adapter 312MB/s SD4.0 OTG Plug&Play Reader SD/Micro SD/USB Aluminum Alloy
Wanka Technology Limited🇨🇳CN7 yrs
OTG USB3.1 Type C Dual Slots High-Speed 312Mbps Card Reader Writer Mini SD4.0 TF4.0 UHS-II External for Camera Memory 2
Shenzhen Rocketek Electronics Co., Ltd.verified🇨🇳CN10 yrs
USB-C UHS-II SD TF 4.0 Card Reader 312MB/s Dual Slot Simultaneous Access for Laptop & Camera
Yuan Shan Electronic Technology(shenzhen)co.,ltd.🇨🇳CN7 yrs
USB a / USB C 4.0 Card Reader UHS-II SD TF Dual Slot High Speed Memory Card Reader
Dong Guan Qiulian electronic technology Co.,LTDverified🇨🇳CN5 yrs
High-speed 4.0SDXCUHS-II card reader Type-C USB dual-head reading sdTFCfMS mobile phone and storage
Dongguan Youhuiyou Electronic Technology Co., Ltd.🇨🇳CN1 yr
Factory OEM 4.0 TF SD Card Reader Adapter 312MB/s USB C Support OTG Plug & Play Memory Card Reader
Shenzhen BST E-Technology Co., Ltd.🇨🇳CN11 yrs
USB4.0 Type-C Card Reader UHS-II High Speed SD/TF Two-in-One External Aluminum Shell for Mobile Phone & Computer
2 in 1 USB Dual Interface Type C 3.0 Writer With 4.0 up 312Mb/s USB OTG Aluminum for Phone Computer SD TF Card Reader Adapter
Hangzhou Wfyear Electronics Technology Co., Ltd.🇨🇳CN4 yrs
USB 4.0 Type c Card Reader Adapter 2 in 1 USB C SD4.0 TF Card Reader Aluminum Alloy Memory Card Data Transfer Reader
Shenzhen Losenda Technology Co., Ltd.🇨🇳CN9 yrs
TYPE C to SD4.0/MIC SD 4.0 Card Reader UHS-II V90 PUSH PUS H Card Reader
Shenzhen Yaika Electronic CO., Ltd.verified🇨🇳CN9 yrs
2 in 1 Aluminum Alloy UHS-II Card Reader USB-C 3.1 Super Speed Portable SD4.0/TF OTG for Mobile Phone
Shenzhen Yeda Technology Co., Ltd.🇨🇳CN13 yrs
USB C Dual Slot Card Reader for SD 4.0 and microSD UHS-II High Speed OTG Adapter for Laptop Phone Camera Memory Card Reader
Guangzhou Shendun Electronics Co., Ltd.🇨🇳CN2 yrs
SD/TF 4.0 High Speed External Card Reader Aluminum Alloy Write Lock UHS-II Support USB-C 3.2 Data Cable
Shenzhen Jian Yang Jia Ya Technology Co., Limited🇨🇳CN7 yrs
UGREEN USB C SD 4.0 Card Reader UHS-II Card Reader Memory Card Reader Fast For SD Micro
Nine Square (Henan) Communication Technology Co., Ltd.🇨🇳CN1 yr
UGREEN USB C SD 4.0 Card Reader, UHS-II Micro SD Card Reader Memory Card Reader Fast for SD Micro
Guangzhou Likai Electronics Technology Co., Ltd.🇨🇳CN5 yrs
4 in 1 High-speed SDXCUHS-II Card Reader Type-C USB Dual-head Reader SD TF Cf MS Mobile Phone Card Reader Storage
Shenzhen SmioSync Trading Co., Ltd.🇨🇳CN2 yrs
UGREEN USB C SD 4.0 3.0 Card Reader UHS II Fast Transfer Micro SD Card Reader Plug Play Memory Card Reader for SD MicroSDHC
Shenzhen Yiqi Technology Co., Ltd.🇨🇳CN9 yrs
New UHS-IISD4.0 High-Speed 5Gb Transmission TF/SD Card Reader USB3.0 Interface External Aluminum Alloy for Phone Computer
UGREEN USB C SD 4.0 3.0 Card Reader UHS II Fast Transfer Micro SD Card Reader Plug Play Memory Card Reader for SD MicroSDHC
Shenzhen Aeckon Technology Co., Ltd.🇨🇳CN7 yrs
Dual-Head Card Reader High Speed 4 in 1 USB 3.0 Hub TF SD Card Reader Adapter USB Type C for PC Laptop Android Phone U Disk
Dong Guan Yi Chen Industrial Co., Ltd.🇨🇳CN8 yrs
Dual-use Aluminum Alloy Card Reader SDXC 4.0 Micro SD 4.0 USB 3.1/3.2 Gen 1 Stock
Type C to SD/TF Card Reader, Dual Slot SD TF Flash Memory Card 2TB Capacity Adapter
Used 4-in-1 USB 3.0 Type-C Card Reader with CF/SD/TF/MS Support 5Gbps Transfer Speed Laptop Compatible in Stock
Shenzhen Haolin Tong Technology Co., Ltd.🇨🇳CN2 yrsDeep Dive · Full Report
Full Market Report
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Sources & References
26 sources cited · Verified industry data & reports
Acer SD 4.0 Card Reader, UHS-II Micro ...
Amazon.com
Dual Slot Type C Memory Card Adapter with 100W PD Port. USB Type C Special Feature Compact, Fast Data Transfer, Lightweight, Plug & Play
BENFEI SD 4.0 USB-C/USB-A 2-in-1 Memory Card Reader ...
Manuals+
It features both USB-C and USB-A connectors … transfer speeds up to 312 MB/s, Item Weight 2.11 ounces Package Dimensions 6.02 x 3.66 x 0.67 inches
Startech.com 4-slot Sd Card Reader - Usb 3.1 (10gbps ...
Walmart
For Sd 4.0, Compatible with iPhone/iPad, USB C and USB A Devices with Micro SD & SD Card Slots, Supports SD/Micro SD/SDHC/SDXC/MMC … supports UHS cards,
UHS-II SD 4.0 Card Reader, 2 in 1 USB A&Type-C Memory ...
Amazon.com
Special Feature. Compact, Plug & Play. Color. Black. Compatible Devices. Laptop, Personal Computer, Smartphone, Tablet. Product Dimensions. 2.15"L x 1.04"W x ...
Ekoomar SD4.0 Card Reader - High-Speed 312MB/s USB ...
Amazon.com
Ekoomar SD4.0 Card Reader - High-Speed 312MB/s USB-A & USB-C Micro SD Card Reader - SD Card Reader for iPhone, Android, MacBook, PC - Plug & Play UHS-II ...
Small reader. Serious speed. ⚡ The LLANO 4.0 Micro-SD ...
Facebook · Threeblacknumbers
✔️ Up to 312 MB/s with UHS-II ✔️ USB-C & Plug & Play ✔️ Compact 2-in-1 design for fast file transfers , including USB 3.0, Type-C, and Micro-USB,