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3.5 inch IDE to SD adapter board with 40-pin connector and 4-pin power socket

Ruth's sister

Ruth's sister 3.5" 40-pin IDE SD adapter internal power cable

SKU CH-BMCC-S4NX5

Converts an SD card into a 3.5" IDE storage device using a 40-pin connector and 4-pin power, supporting up to 128 GB cards

  • Connects SD cards to legacy 3.5" IDE systems
  • Standard 40-pin male IDE interface fits existing cables
  • Large 4-pin power connector draws 5 V from PSU
  • Supports SD cards up to 128 GB capacity
  • Works without drivers as a native IDE storage device

Product Identity

The Ruth's sister 3.5" 40-pin IDE SD adapter is an internal power cable that lets you connect an SD card to a standard ATA IDE interface. It functions as a solid-state IDE storage device without requiring driver installation. The board accepts a standard SD socket and draws 5V power through a large 4Pin connector.

Who It Suits

This adapter suits builders converting legacy systems with 40-pin IDE ports to silent, vibration-free SD storage up to 128GB. It is not for users who need capacities beyond 128GB. It is also not for systems that lack a 5V supply rail or an 80-pin IDE cable for reliable data transfer.

Deciding Specification

The adapter supports SD cards up to 128GB maximum capacity. This single limit determines whether the card can serve as a boot drive or data volume for the target machine. Exceeding this capacity will prevent the device from functioning as described.

Highlights

  • Connects SD cards to legacy 3.5" IDE systems
  • Standard 40-pin male IDE interface fits existing cables
  • Large 4-pin power connector draws 5 V from PSU
  • Supports SD cards up to 128 GB capacity
  • Works without drivers as a native IDE storage device

Specifications

No published specifications for this item yet.

Questions about this item

How do I confirm the adapter is operating correctly after connecting the 40-pin IDE and 4-pin power cables?

The board needs only a 5 V supply at 5 V ± 0.25 V with current under 200 mA; once the SD card is seated and the system sees a standard IDE drive without driver installation, it is working as intended.

What ships with the adapter and what must I supply myself?

The package includes the SD-to-IDE adapter board with a 40-pin male IDE connector, an SD socket and a large 4-pin power connector; you must provide an 80-pin IDE cable, a 5 V power source and an SD card up to 128 GB.

Which SD card capacity should I choose for this 3.5-inch 40-pin IDE adapter?

The SD socket supports cards up to 128 GB, so select any standard SD card at or below that limit for use as an IDE storage device.

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