Best Computer Memory Card Accessories in 2026

Simultaneously read and write on two cards to save yourself the effort of constant unplugging and re-plugging.

USB 3.0 enables data transfer rates of up to 5Gbps for faster Sync times, backward compatible with USB 2.0/ 1.1.

Fully powered via your USB port — no additional power supply required.

【USB 3.0 + USB C】 Both interfaces support high-speed data transfer up to 5 Gbps. Compatible with SDXC, SDHC, SD, MMC, RS-MMC, Micro SDXC, Micro SD and Micro SDHC cards. Backwards compatible with USB 2.0 and USB 1.1. * Memory cards shown in images are not included in the product.

【Double duty】 Simultaneously reading and writing on two cards to save the constant plugging and pulling of plugs. Enjoy fast photo downloads, smooth video editing and fast file transfers. Double your productivity with simultaneous microSD/SD card access. View recordings of your security cameras, wildlife monitors, private surveillance cameras and car monitors instead of bringing them home to you

【Plug and Play】Designed to not block your other ports. Its slim profile makes it easy to store in your camera bag or backpack and provides convenient access to micro/SD cards when needed. No drivers are required for Windows 10/8/7/Vista or Mac OS X 10.2 and later. No additional power supply required.

USB 3.0 data transfer speed of up to 5Gbps (compatible with USB 2.0 too)

Universal Compatibility: Working most USB C devices, inculding MacBook 2018, Galaxy S10, and more

Plug and Play with your computer's USB ports, or connect to your smart phone and tablet

All in One: Designed with SD/Micro SD/CF/MS slots, UGREEN SD Card Reader supports most standard memory cards, including SD/SDXC/SDHC/Micro SD(TF)/Micro SDXC/Micro SDHC/UHS-I/Compact Flash/Memory Stick.

No More Waiting: USB 3.0 device port reaches up to 5Gbps in transmission rate; transfer large files in mere seconds.

Simultaneous Work: UGREEN USB SD Card Reader supports reading and writing 4 different memory cards at the same time, eliminating the need to plug and unplug different cards. 2TB cards also supported.

SmartQ C368 USB 3.0 Card Reader: Four-in-one design, support Micro SD/SD/MS/CF card and read data independently;

High data transfer speed, Supporting data transfer speed up to 5GB per second (at USB 3.0 speed)

Multi-system compatibility, Compatible with Windows/Mac OS/Linux and other systems, no driver needed, enjoy Plug N Play experience;

[ULTRA-FAST DATA TRANSFER] - USB 3.0 brings you 5Gbps quick and reliable data transfer speed between computer and cards, 10x faster than USB 2.0. Reduce data transfer time and improve your work efficiency. Backward compatible with USB 2.0 & 1.1.

[READ & WRITE SIMULTANEOUSLY] - uni USB to SD card adapter is able to read and write 2 cards at the same time, transfer your data from one to another without transit. Ideal for photographers, and media professionals.（Note: transfer speed may lower when 2 slots work together)

[2 SLOTS & 2TB COMPATIBILTY] - The SD card adapter supports up to 2TB card capacity, expanding the range of available cards. Compatible with SD, SDXC, SDHC, MMC, RS-MMC, Micro SDXC, Micro SD, Micro SDHC, and UHS-I Cards. Driver free, use it on Windows XP/Vista/7/8/10, macOS 10.8~10.13, Chrome OS, Linux.

2 In 1 Double Card Slot: The sd card reader compatible with sd and micro sd(TF) memory card, support all iPhone with iOS 9.2 and up and ipads with iOS 8.0 or later,It's easily download photos or videos from sd cards directly to the iphone or ipad, and share videos or photos with friends and relatives anytime and anywhere.

Charge Your iPhone and ipad：The memory card reader adds a charging port, charging and card reading can be operated at the same time. When you use an sd card reader to transfer photos and videos, you no longer have to worry about the power shortage of your iPhone or ipad.

Fast Data Transfer Speed: The sd card reader for iphone transfers photos or videos from the camera or memory card to the iphone or ipad at a speed of 20MB/s ~ 30MB/s.for iphone and ipad users, this is the best way to copy photos or videos from sd card to iPhone or ipad, you can save a lot of time to do more meaningful things.

【3-in-1 Card Reader】Simultaneously read and write multicard, including SD card, Micro SD card, and USB Flash Drive, which can be a significant time-saver. Compatible with SDXC, SDHC, SD, MMC, RS-MMC, Micro SDXC, Micro SD, Micro SDHC, and UHS-I cards.

【Plug and Play】Instantly view, edit, or share👍 the videos/photos of your 📷 Hunting Trail Camera, Remote Hidden Camera, DSLR, Dash cam, Security camera, GoPro, and Drone instead of bringing them home. No additional power supply required. No drivers are required for Windows 10/8/7/Vista or Mac OS X 10.2 and later. Support Windows, Mac OS, Android, Linux, etc.

【Excellent Transmission Speed】USB 3.0 with our premium chipset enables the data transfer rates of up to 5Gbps ⚡ reading/writing the cards, backward compatible with USB 2.0, allowing you to transfer HD movies and files in a few seconds. Note: 480Mbps for Micro USB plug and OTG female USB-A port.

Memory Card Reader

4 in-1 Multi-Interface:The memory card reader has various interfaces,usb/usb c(type c)/micro usb/sd card slot/micro sd card slot and iOS devices charging port for iPhone/iPad ,Easily transfer the file you need between different devices.

Simultaneous Charging & Card Reading: 4-in-1 sd/Micro sd Card Reader adds a charging port,charging and card reading can be operated at the same time,Easy and convenient.

Compatibility:The sd/micro sd card reader support all iPhone with iOS 8.0 and up and iPads with iOS 8.0 or later/OTG Android phone/computer and other devices with usb port,Maximum support memory card capacity 512GB

【 Plug and Play】 This USB C SD card reader is designed with a built-in USB-C cord that won't block your other ports, no third party APP, no network, no driver, no extra power, two-way transfer, plug and play.

【USB-C SD Card Reader 】 This USB-C SD card reader supports SD/Micro SD cards, let you to easily browse and copy photos and videos from your cameras, and quickly share your beautiful moments.

【USB C to USB OTG Adapter 】 Support SD/Micro SD cards, but also compatible with all kind of cameras, flash drives, keyboard, mice, hard disk ,etc. Great convenience for you to transfer files between different devices.

【7-in-1 USB Card Reader】This USB3.0 card reader satisfies your need of almost every single card. There are 1*CF slot, 2*SD, 1*TF, 1*Micro SD, 1*XD, 1*MS at your choice and convenience. What’s more, this card reader can read and write 5 cards at the same time, which can greatly improve your work efficiency.

【5Gbps Super Speed Transfer】5Gbps data transfer, finished in a blink. You can transfer your images and videos from your card to the computer soon, save a lot of time and improve your work efficiency. Also the USB3.0 card reader is compatible with the USB2.0/1.1 Port.

【Broad Card Compatibility】This USB3.0 card reader supports CF card, high-speed CF (UDMA), SD card, SDXC (up to 2 TB), SDHC, micro SD, micro SDXC, micro SDHC, TF, MS, M2, XD memory cards,etc. (Note: M2/TF is the same card slot).

【4-in-1 TF/SD Card Reader 】TF/SD card reader upgraded multi-function, compact and portable design, more powerful and easy to carry. Type-C SD card reader with usb-c charging port, you will never worry about your phone running out of power when you transfer photos/videos. 1*SD Card Port , 1*Micro SD/T-Flash Card Port , 1*USB Port(USB 3.0), 1* USB-C Charging Port.

【Fast Speed Camera Card Reader】TF/SD card reader for camera built-in newest powerful chip, allows simultaneously read & write on SD card with the speed of 18MB~20MB/S, making it much easier to share photos and videos with your families or friends anytime, anywhere. Flash Memory Card Reader support standard photo formats, such as JPEG and RAW.

【Plug and Play 】TF/SD card reader for android don't need any driver or App when using the memory card reader for phone. Easily connect the SD card adapter to your phone.Pls wait for 5-10 seconds after connecting to your device. When you are traveling outside, you can immediately share the pictures/videos to your friends.

1. BUDI USB 3.0 data transfer, capture important moments and share them instantly with up to 5Gbps read and write speed. Share your joy on social media in seconds via the USB C to SD card reader. Compatible with various driving recorders/trial cameras/digital camera memory cards, up to 512GB, suitable for mobile phones and external cameras and computers, etc.

2. Plug and play, no driver required. Our Type C card reader is equipped with a high-performance built-in chip that allows you to read 3 memory devices at the same time. Helps you read and transfer data from the most popular flash media on computers, laptops, tablets and mobile phones via USB C 3.0 interface; supports USB3.0 OTG data output, through this USB 3.0 port, it has a 65W fast charging cable Can charge your phone.

3. Durable USB c to SD card reader is cast with aluminum alloy, multi-cable 6 kinds of cables sturdy external and heat-resistant connectors ensure high data transfer efficiency and ultimate durability of the USB C SD micro card reader. Small and lightweight body size. Length 160×width 41.8×height 19.7(mm) Weight: 110g, convenient for you to carry with you.

Plug and Play: Plug and play, no WIFI, network or drivers required, super easy to use. Unlike other sd card adapters, our upgraded iphone sd card reader has a charging port for iphone/ipad. Charging and reading can be carried out at the same time, so you no longer have to worry about the phone running out of power during the transfer process. It also allows you to share battery power with friends to solve your friend's pressing needs.

Two-way transfer: from SD card to iPhone or iPhone to SD memory card, The SD card reader for iPhone is compatible with SD, SDHC, SDXC, MicroSD, MicroSDXC and MicroSDHC memory cards. Allow you to copy files to your iPhone more easily.

Wide Compatibility: Tablet-to-USB adapter supports standard photo formats, including JPER and RAW, as well as SD, HD video formats, and supports all iOS 9.2 and later iPhones and iOS 8.0 or later iPads. The micro sd card reader supports up to 512GB memory cards and 256GB USB flash drives.

Supports most major smart cards

Supports PC Smart Card industry standard:  PC/SC 1.0 & 2.0

EMV2000 (EMV 4.1) compatible

"With a USB-C and USB-A type port, this Unirex memory reader is compatible with most computers, tablets and cell phones. It plugs in just like a charger or other accessories. Great for moving your camera photos straight to your phone, or for moving your phone data quickly to your computer without using Wi-Fi. "

No extra programs or formatting is needed for this memory reader to transfer your data at standard 2.0 speeds. You plug this reader in to a device just like a flash drive and you’re set. The included MicroSD card offers 64 GB of storage to get you started with keeping your memories safe on all your devices.

Unirex memory readers will last you over 20,000 reads and writes, so you never have to worry about your data being erased or corrupted. Transfer after transfer, you can rest assured that your data is safe and sound with this connector.