The Best I2C Sd Card of 2025 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best I2C Sd Card of 2025. Check our ranking below.

2,354 Reviews Scanned

Rank No. #1

HiLetgo 5pcs Micro SD TF Card Adater Reader Module 6Pin SPI Interface Driver Module with chip Level Conversion for Arduino UNO R3 MEGA 2560 Due

Compatible with Arduino UNO, R3, MEGA 2560 Due: The HiLetgo 5pcs Micro SD TF Card Adapter Reader Module works with these Arduino boards for easy data transfer.
6-pin SPI interface: The module features a 6-pin SPI interface for connecting to micro SD cards and reading data.
Chip level conversion: The module converts chip level data into a standard format for easy access and analysis.
Lightweight and compact: Weighing just 0.11 pounds, the module is lightweight and compact for easy handling.

Rank No. #2

SparkFun Qwiic OpenLog Open-Source datalogging Board Works Over I2C Supports microSD FAT16/32 Cards up to 32GB Configurable baud Rates up to 115200bps Preprogrammed ATmega328 with Optiboot bootloader

Continuous data logging at 20,000 bytes per second at 400kHz without corruption
Compatible with high speed 400kHz I2C. Compatible with 64MB to 32GB microSD cards (FAT16 or FAT32)
Preloaded Uno bootloader so upgrading the firmware is as easy as loading a new sketch
Valid I2C Addresses: 0x08 to 0x77. 2x Qwiic Connectors. Power input 3.3V
Daisy chain multiple I2C devices and log them all without taking up your serial port

Rank No. #3

UMLIFE Micro SD SDHC TF Card Adapter Reader Module with SPI Interface Level Conversion Chip Compatible with Arduino Raspberry PI 10pcs

✹✹The module (Micro SD Card Adapter) is a Micro SD card reader module, through the file system and the SPI interface driver, SCM system to complete the file to read and write MicroSD card. for Arduino users can directly use the for Arduino IDE comes with an SD Card to complete the library card initialization and read-write.
✹✹The module built-in level regulator circuit, level conversion circuit board that can interface level is 5V or 3.3V.
✹✹Voltage: 4.5V~5.5V DC; Communication Interface: Standard SPI; Interface Voltage Level: 3.3V or 5V;
✹✹Applicable card type: Micro SD Card, Micro SDHC Card.
✹✹Micro SD card to signal the direction of converts 3.3V, Micro SD card interface to control the direction of the MISO signal is also converted to 3.3V, general AVR microcontroller systems can read the signal.；

Rank No. #4

ACEIRMC 5pcs SD Card Module Slot Socket Reader for Arduino ARM Mcu SD Card Module Slot Socket Reader and Write

1.5pcs Reading and writing module SD Card Module Slot Socket Reader ARM MCU
2.It is easily interfaced as a peripheral to your compatible for arduino sensor shield module
3.This SD Card module can make your SD application more easier and simple
4.Through programming, you can read and write to the SD card using your compatible for arduino
5.All SD SPI pins output, MOSI, SCK, MISO and CS

Rank No. #5

DIYables Micro SD Card Adapter Module Reader for Arduino, ESP32, ESP8266, Raspberry Pi, 2 Pieces

Adapter between Micro SD Card and Arduino, ESP32, Raspberry Pi, or any micro-controller
Communication Interface: SPI
Input voltage: 4.5V~5.5V DC, interface voltage level: 3.3V or 5V
Micro SD Card module for Arduino, ESP32, ESP8266, Raspberry Pi, or any 5V or 3.3V microcontroller.
Tutorials for Arduino is provided

Rank No. #6

WWZMDiB 6 Pcs Micro SD TF Card Adapter Mini Reader Module 3.3V 6 Pin SPI Interface Compatible with for Arduino Raspberry Pi ESP32

Micro SD Card Adapter Mini Board: Connects to various sensors and periodically stores collected data on an SD card
Input Voltage: 3.3V
Supported Interface: SPI
Supported Card Type: Micro SD Card (TF Card)
Socket: Pop-up

Rank No. #7

WWZMDiB 3 Pcs Micro SD TF Card Adapter Reader Module with Logic Level Chip 3.3V 5V 6 Pin SPI Interface Compatible with for Arduino Raspberry Pi ESP32

Micro SD Card Module: The module includes 74HC125 and AMS1117 chips, enabling voltage level conversion between 3.3V and 5V systems, ensuring stable communication between the Micro SD card and host devices with different voltage levels.
Interface level: 3.3V or 5V
Supported Interface: SPI
Supported Card Type: Micro SD Card (TF Card)
Socket: Pop-up

Rank No. #8

VKLSVAN 3PCS SD Card Reader/Writer Module MCU SPI Interface SD Card Socket SD Reading and Writing Module 3.3V 5V Programable for Arduino

Simple operation, wide range, strong commonality etc. characteristics; Can use standard WAV files, convenient application. And provide.it format conversion software that allows customers to use the free editor.
supports external expansion SD card (high speed card),SD card support FAT16 (FAT) file system; All SD SPI pins output, MOSI, SCK, MISO and CS.
supports mono and stereo broadcasting; supports large capacity sound recording and playback;supports multiple buttons operation.
Board level conversion circuit, Power supply is 4.5V ~ 5.5V, 3.3V voltage regulator circuit board.
Can be used for SD Card more easily, such as for MP3 Player, MCU/ARM system control.

Rank No. #9

hiBCTR 5 Pieces of Micro SD TF Card Adapter Reader Modules, 6-pin SPI Interface Drive Modules, with Chip Level Conversion, Suitable for Arduino UNO R3 MEGA 2560.

Compatibility Compatible with Arduino UNO, R3, MEGA 2560, and Due. The 5-piece Micro SD TF Card Adapter Reader Modules work well with these Arduino boards, facilitating data transmission.
SPI Interface 6-pin SPI Interface: This module employs a 6-pin SPI interface for connecting micro SD cards and reading data.
Chip Level Conversion The module converts chip-level data into a standard format, enabling easy access and analysis.
Physical Characteristics Lightweight and Compact: Weighing only 0.11 pounds, it is portable and easy to handle.
Summary of Functionality In summary, the module combines compatibility, an SPI interface, chip-level conversion, and a compact design to serve data storage and retrieval needs for Arduino projects.

Rank No. #10

UMLIFE Micro SD SDHC TF Card Adapter Reader Module Welded Pins with SPI Interface Level Conversion Chip Compatible with Arduino Raspberry PI 10pcs

The module (Micro SD Card Adapter) is a Micro SD card reader module, through the file system and the SPI interface driver, SCM system to complete the file to read and write MicroSD card. for Arduino users can directly use the for Arduino IDE comes with an SD Card to complete the library card initialization and read-write.
The module built-in level regulator circuit, level conversion circuit board that can interface level is 5V or 3.3V.
Voltage: 4.5V~5.5V DC; Communication Interface: Standard SPI; Interface Voltage Level: 3.3V or 5V;
Applicable card type: Micro SD Card, Micro SDHC Card
Micro SD card to signal the direction of converts 3.3V, Micro SD card interface to control the direction of the MISO signal is also converted to 3.3V, general AVR microcontroller systems can read the signal.；

Last update on 2026-01-13 / Affiliate links / Images from Amazon Product Advertising API

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FAQ:

Q: What is i2csd and how to use it?

A: I2CSD just uses SD.h on the 328 board. Its API has a message to open a file, read bytes from a file, write bytes to a file, and seek to some position. Lot of users have done the same thing with SdFat or SD.h and a second Arduino. The I2SD code is here so you could buy something like a Pro Mini and a micro SD module and make your own.

Q: Are SD cards slow I2C interface devices?

A: SD cards are not slow I2C interface devices. CrossRoads: SD cards use SPI interface with clock, data-in, data-out, and chip select. SD cards are not slow I2C interface devices. So, the reason SPI is used is that SPI is faster than I2C. No wonder it is so hard to find SDcard that uses i2c interface

Q: What is i2c_buffer_Len in Arduino?

A: I2C on Arduino is very limited, the buffer in Wire is 32 bytes so I2SD has warnings like this: Long reads happen most efficiently if the reads occur in blocks of size I2C_BUFFER_LEN – 1: 31. If not, a seek is preformed to realign the SD file back to what will be expected.

Q: How to communicate with I2C interface bridge?

A: By writing the address of the interface bridge, followed by a 0 (control bit / write), on the I2C bus you can communicate with it. After the address a predefined function needs to follow (the functions are explained inside the datasheet) and then a series of data, which can be 0-200 bytes long.