DFRobot
R42SR M.2 Key-M PCI-E x4 Extension Cord for LattePanda Alpha & Delta
An M.2 Key-M to PCIe x4 extension cable designed for LattePanda Alpha and Delta single-board computers. This short 100 mm riser cable provides PCIe 3.0 x4 fu...
An M.2 Key-M to PCIe x4 extension cable designed for LattePanda Alpha and Delta single-board computers. This short 100 mm riser cable provides PCIe 3.0 x4 full-speed signal transmission (up to 32 Gbps), allowing you to connect PCIe expansion cards such as NVMe SSDs, network cards, capture cards, and USB adapter cards.
The cable features a low-profile PCB design for clearance around graphics cards and other components, with 1 oz copper traces and gold-plated fingers for reliable conductivity. The PCB connection point is reinforced with a 3 mm gasket and secured with screws for durability.
Key Features
- Interface – M.2 Key-M to PCIe x4
- Bandwidth – PCIe 3.0 x4, up to 32 Gbps
- Cable Length – 100 mm
- Compatibility – LattePanda Alpha & Delta; supports NVMe SSD, network cards, capture cards, USB adapter cards
- Construction – 1 oz copper traces, gold-plated fingers, screw-fastened PCB gasket
- Flexible Cable – Can be bent and folded without affecting performance
- The M.2 interface does not supply 12 V power. Only PCIe cards with their own 12 V power input will operate correctly.
- Ensure correct orientation when inserting — reverse or misaligned insertion may damage the device.
- Performance may vary depending on motherboard signal drive capabilities.
Package Contents
- 1× R42SR M.2 Key-M PCIe x4 extension cable
Jargon buster
Plain-language definitions for the technical terms used above.
- M.2
- A compact edge-connector format commonly used to plug small modules into a carrier board without soldering. On this product it is the physical connector used by the MicroMod system, so compatibility with the matching processor board is important.
- NVMe
- A high-speed storage standard commonly used by modern SSDs. NVMe support matters if you want faster storage for large AI models, video files or operating system images than a typical microSD card can provide.
- PCB
- A printed circuit board is a rigid board with copper tracks that connect electronic parts without loose wires. For this kit, the PCBs also form the airplane shape, so they are both the circuit base and part of the finished model.
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