CABLETIME Portable USB 3.0-A to SD / Micro SD Card Reader
Portable USB 3.0-A to SD / Micro SD Card Reader
The CABLETIME CD41G Portable USB 3.0-A Card Reader is a compact and practical accessory for reading SD and TF/microSD memory cards on laptops, desktops and USB-A devices. With SD + TF 3.0 slots, two-card reading support and compatibility with multiple memory card formats, it is ideal for photographers, students, office users, CCTV technicians, dashcam users and everyday file transfer workflows.
Access Memory Cards Without a Built-In Slot
Many modern laptops and desktops do not include full-size SD or microSD slots. This USB 3.0-A card reader gives you a simple way to open, copy and back up files from memory cards.
File Transfer Workflow
Insert. Read. Copy. Backup. Eject.
Use it for camera photos, dashcam clips, CCTV files, documents, project backups, phone memory cards and general portable storage access.
Key Benefits
01. USB 3.0-A Connection
Connects directly to USB-A laptops, desktops, mini PCs and compatible USB 3.0 ports for convenient card access.
02. SD + TF / MicroSD Slots
Includes dedicated SD and TF/microSD slots, allowing users to access both common memory card formats.
03. Two-Card Reading Support
Supports reading data from two cards at the same time, useful for comparing, copying or managing files between card types.
04. Wide Card Compatibility
Supports SDXC, SDHC, SD, MMC, RS-MMC, MicroSDXC, MicroSD and MicroSDHC cards, including UHS-I cards.
05. Portable ABS Body
Compact ABS material design makes it easy to carry in laptop bags, camera kits, office drawers and travel pouches.
06. Useful for Daily File Transfer
Ideal for moving photos, videos, documents, dashcam footage, mobile storage files and project backups.
Best Used For
Camera photo transferDashcam video backupCCTV file accessOffice document storageMobile microSD card accessStudent file transferTravel media backupLaptop and desktop useSmart Visual Guide: How to Use
A simple workflow for reading, copying and backing up SD or microSD card files on a USB-A laptop or desktop.
Insert CardPlace your SD card or TF/microSD card into the matching slot on the card reader.
Connect to USB-APlug the card reader into a USB-A 3.0 port on your laptop, desktop or compatible host device.
Open FilesOpen your file manager, photo app or editing software to view card content.
Copy or BackupTransfer photos, videos, documents, dashcam clips or project files to your device or external drive.
Eject SafelySafely eject the card reader before removing memory cards to reduce the risk of file corruption.
File Safety Tip:Always confirm that transferred files open correctly before deleting or formatting the original memory card.
Card Compatibility
SDXCSDHCMMCRS-MMCMicroSDXCMicroSDHCMicroSDUHS-I CardsImportant Transfer Note
Actual transfer speed depends on the memory card, host device, file size, operating system and USB port performance. Always safely eject the card reader before removing memory cards.
Technical Specifications
| Brand | CABLETIME |
| Product Type | Portable USB 3.0-A to SD / Micro SD Card Reader |
| Model | CD41G |
| SKU | CT-ASD3-PB |
| Port | USB-A 3.0 |
| Card Slots | SD + TF 3.0 |
| Listed Transfer Speed | 104Mb/s |
| Simultaneous Reading | Supports two cards reading data at the same time |
| Supported Card Types | SDXC, SDHC, SD, MMC, RS-MMC, MicroSDXC, MicroSD, MicroSDHC |
| UHS-I Support | Supports UHS-I cards |
| Material | ABS |
Frequently Asked Questions
What is this card reader used for?
It is used to read and transfer data from SD and microSD cards to compatible USB-A laptops, desktops and devices.
Does it support both SD and microSD cards?
Yes, it includes SD and TF/microSD card slots.
Can it read two cards at the same time?
Yes, the product is listed with support for reading data from two cards at the same time.
Which memory cards are supported?
It supports SDXC, SDHC, SD, MMC, RS-MMC, MicroSDXC, MicroSD and MicroSDHC cards, including UHS-I cards.
Is it useful for camera or dashcam files?
Yes, it is suitable for transferring photos, videos and files from cameras, dashcams, CCTV systems and mobile storage cards.
What affects the transfer speed?
Actual transfer speed depends on the memory card rating, USB port, host device, file size and operating system.
Best For
USB 3.0 SD card reader, USB A micro SD card reader, portable SD card reader, SD TF card reader, SDXC card reader, MicroSDXC card reader, MicroSDHC card reader, UHS-I card reader, card reader for laptop, card reader for desktop, camera memory card reader, dashcam microSD card reader, CCTV SD card reader, CABLETIME CD41G and CABLETIME CT-ASD3-PB.
Read SD and MicroSD Cards from One Compact USB Reader
The CABLETIME CD41G Portable USB 3.0-A Card Reader gives laptop and desktop users a simple way to access camera, dashcam, mobile and office memory cards.
Plug In. Read Easily. Transfer Smarter.
Connect storage with care.
Check the supported drive or card type before inserting it. Connect to a compatible host, wait for recognition and safely eject storage before disconnecting.
Will transfer speed match the headline figure?
Actual speed depends on the storage device, host interface, file workload and other connected equipment. Use the product specifications to check the supported interface.
Which length or version should I select?
Use the product selector to choose the required option. Check that option against any model, connector, length or pack-size distinctions in the specifications before ordering.