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2 layers20 × 36.3 mm4GBMemoryUSB, the printed circuit board in 3D

A KiCad project for a USB adapter, used to adapt/read Xbox 360 internal memory modules on a PC

Size
20 × 36.3 mm
Copper layers
2
Thickness
1.6 mm
Parts
12
Nets
8
Pads
33
Tracks, vias
84, 4
Routed
Yes
KiCad
KiCad 10.0 (file 20260206)
Created
31 Jul 2026
Updated
24 Aug 2026

Overview

4GBMemoryUSB is an open-source printed circuit board by FromDarkHell, from the FromDarkHell/4GBMemoryUSB repository on GitHub. It is a 2-layer board of 20 × 36.3 mm with 12 parts on 8 nets, routed with 84 tracks and 4 vias.

Its parts include 2 capacitors, 2 connectors, 1 resistor, 1 IC and 1 diode.

README

README.md

4GBMemoryUSB

This is a USB dongle for connecting an Xbox 360 4GB Internal Memory Module to your PC. These modules are basically a complete USB implementation, but with a 3.3V VCC rather than 5V (which is standard for USB). So, this board is just a USB plug, alongside a voltage regulator to go from 5V to 3.3V.

4GBMemoryUSB 4GBMemoryUSB

Additionally, you'll need to pull the memory module socket from your Trinity xbox.

4GB Trinity Memory Module

Parts

12
QtyValueFootprintReferences
5TestPointTestPoint:TestPoint_Pad_D2.0mmTP1, TP2, TP3, TP4, TP5
110uFCapacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolderC1
122uFCapacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolderC2
1680EResistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolderR1
1Conn_01x06_Socket360Footprints:MemoryUnitConnectorJ2
1LD1117S33TR_SOT223Package_TO_SOT_SMD:SOT-223-3_TabPin2U1
1LEDLED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolderD1
1USB_AConnector_USB:USB_A_Molex_48037-2200_HorizontalJ1

Questions

How big is the 4GBMemoryUSB PCB?

It measures 20 × 36.3 mm and has 2 copper layers, 1.6 mm thick.

What parts does the 4GBMemoryUSB use?

12 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the 4GBMemoryUSB KiCad files?

From the FromDarkHell/4GBMemoryUSB repository on GitHub, at the commit this page was made from: the board is project/4GBMemoryUSB.kicad_pcb and its schematic project/4GBMemoryUSB.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the 4GBMemoryUSB design in my own project?

Its repository states no licence, so its author keeps all rights: ask FromDarkHell before reusing the design.

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