diff --git a/lib/gui/app/components/file-selector/controllers/file-selector.js b/lib/gui/app/components/file-selector/controllers/file-selector.js
index 342448d8..ca703296 100644
--- a/lib/gui/app/components/file-selector/controllers/file-selector.js
+++ b/lib/gui/app/components/file-selector/controllers/file-selector.js
@@ -48,11 +48,10 @@ module.exports = function (
    * @example
    * FileSelectorController.getFolderConstraint()
    */
-  this.getFolderConstraints = utils.memoize(() => {
-    // TODO(Shou): get this dynamically from the mountpoint of a specific port in Etcher Pro
+  this.getFolderConstraint = utils.memoize(() => {
     return settings.has('fileBrowserConstraintPath')
-      ? settings.get('fileBrowserConstraintPath').split(',')
-      : []
+      ? settings.get('fileBrowserConstraintPath')
+      : ''
   }, angular.equals)
 
   /**
@@ -66,7 +65,6 @@ module.exports = function (
    * <file-selector path="FileSelectorController.getPath()"></file-selector>
    */
   this.getPath = () => {
-    const [ constraint ] = this.getFolderConstraints()
-    return constraint || os.homedir()
+    return this.getFolderConstraint() ? '/' : os.homedir()
   }
 }
diff --git a/lib/gui/app/components/file-selector/file-selector/file-list.jsx b/lib/gui/app/components/file-selector/file-selector/file-list.jsx
index 58433c43..fca8d7f0 100644
--- a/lib/gui/app/components/file-selector/file-selector/file-list.jsx
+++ b/lib/gui/app/components/file-selector/file-selector/file-list.jsx
@@ -228,15 +228,38 @@ const File = styled(UnstyledFile)`
 class FileList extends React.Component {
   constructor (props) {
     super(props)
+
     this.state = {
       path: props.path,
       highlighted: null,
       files: [],
     }
+
+    debug('FileList', props)
   }
 
   readdir (dirname) {
     debug('FileList:readdir', dirname)
+
+    if (this.props.constraintPath && dirname === '/') {
+      if (this.props.constraint) {
+        const mountpoints = this.props.constraint.mountpoints.map(( mount ) => {
+          const entry = new files.FileEntry(mount.path, {
+            size: 0,
+            isFile: () => false,
+            isDirectory: () => true
+          })
+          entry.name = mount.label
+          return entry
+        })
+        debug('FileList:readdir', mountpoints)
+        window.requestAnimationFrame(() => {
+          this.setState({ files: mountpoints })
+        })
+      }
+      return
+    }
+
     files.readdirAsync(dirname).then((files) => {
       window.requestAnimationFrame(() => {
         this.setState({ files: files })
@@ -263,8 +286,10 @@ class FileList extends React.Component {
   shouldComponentUpdate (nextProps, nextState) {
     const shouldUpdate = (this.state.files !== nextState.files)
     debug('FileList:shouldComponentUpdate', shouldUpdate)
-    if (this.props.path !== nextProps.path) {
-      this.readdir(nextProps.path)
+    if (this.props.path !== nextProps.path || this.props.constraint !== nextProps.constraint) {
+      process.nextTick(() => {
+        this.readdir(nextProps.path)
+      })
     }
     return shouldUpdate
   }
@@ -293,11 +318,4 @@ class FileList extends React.Component {
   }
 }
 
-FileList.propTypes = {
-  path: propTypes.string,
-  onNavigate: propTypes.func,
-  onSelect: propTypes.func,
-  constraints: propTypes.arrayOf(propTypes.string)
-}
-
 module.exports = FileList
diff --git a/lib/gui/app/components/file-selector/file-selector/file-selector.jsx b/lib/gui/app/components/file-selector/file-selector/file-selector.jsx
index f52a672e..59fd3386 100644
--- a/lib/gui/app/components/file-selector/file-selector/file-selector.jsx
+++ b/lib/gui/app/components/file-selector/file-selector/file-selector.jsx
@@ -28,6 +28,7 @@ const colors = require('./colors')
 const Breadcrumbs = require('./path-breadcrumbs')
 const FileList = require('./file-list')
 const RecentFiles = require('./recent-files')
+const files = require('../../../models/files')
 
 const selectionState = require('../../../models/selection-state')
 const osDialog = require('../../../os/dialog')
@@ -113,11 +114,20 @@ const FilePath = styled(UnstyledFilePath)`
 class FileSelector extends React.PureComponent {
   constructor (props) {
     super(props)
+
     this.state = {
       path: props.path,
       highlighted: null,
+      constraint: null,
       files: [],
     }
+
+    if (props.constraintpath) {
+      files.getConstraintDevice(props.constraintpath, (error, device) => {
+        debug('FileSelector:getConstraintDevice', error || device)
+        this.setState({ constraint: device })
+      })
+    }
   }
 
   confirmSelection () {
@@ -134,13 +144,25 @@ class FileSelector extends React.PureComponent {
     debug('FileSelector:componentDidUpdate')
   }
 
+  containPath (newPath) {
+    if (this.state.constraint) {
+      const isContained = this.state.constraint.mountpoints.some((mount) => {
+        return !path.relative(mount.path, newPath).startsWith('..')
+      })
+      if (!isContained) {
+        return '/'
+      }
+    }
+    return newPath
+  }
+
   navigate (newPath) {
     debug('FileSelector:navigate', newPath)
-    this.setState({ path: newPath })
+    this.setState({ path: this.containPath(newPath) })
   }
 
   navigateUp () {
-    const newPath = path.join( this.state.path, '..' )
+    let newPath = this.containPath(path.join(this.state.path, '..'))
     debug('FileSelector:navigateUp', this.state.path, '->', newPath)
     this.setState({ path: newPath })
   }
@@ -254,12 +276,15 @@ class FileSelector extends React.PureComponent {
             <Breadcrumbs
               path={ this.state.path }
               navigate={ ::this.navigate }
-              constraints={ this.props.constraints }
+              constraintPath={ this.props.constraintpath }
+              constraint={ this.state.constraint }
             />
           </Header>
           <Main flex="1">
             <Flex direction="column" grow="1">
               <FileList path={ this.state.path }
+                constraintPath={ this.props.constraintpath }
+                constraint={ this.state.constraint }
                 onHighlight={ ::this.onHighlight }
                 onSelect={ ::this.selectFile }></FileList>
             </Flex>
@@ -282,7 +307,7 @@ class FileSelector extends React.PureComponent {
 FileSelector.propTypes = {
   path: propTypes.string,
   close: propTypes.func,
-  constraints: propTypes.arrayOf(propTypes.string)
+  constraintpath: propTypes.string,
 }
 
 module.exports = FileSelector
diff --git a/lib/gui/app/components/file-selector/templates/file-selector-modal.tpl.html b/lib/gui/app/components/file-selector/templates/file-selector-modal.tpl.html
index 2fc18654..89eb1771 100644
--- a/lib/gui/app/components/file-selector/templates/file-selector-modal.tpl.html
+++ b/lib/gui/app/components/file-selector/templates/file-selector-modal.tpl.html
@@ -1,4 +1,4 @@
 <file-selector
-  constraints="selector.getFolderConstraints()"
+  constraintpath="selector.getFolderConstraint()"
   path="selector.getPath()"
   close="selector.close"></file-selector>
diff --git a/lib/gui/app/models/files.js b/lib/gui/app/models/files.js
index 53a8d44d..e7d01d32 100644
--- a/lib/gui/app/models/files.js
+++ b/lib/gui/app/models/files.js
@@ -18,6 +18,7 @@
 
 const fs = require('fs')
 const path = require('path')
+const drivelist = require('drivelist')
 
 /* eslint-disable lodash/prefer-lodash-method */
 /* eslint-disable no-undefined */
@@ -70,7 +71,6 @@ class FileEntry {
     this.isFile = stats.isFile()
     this.isDirectory = stats.isDirectory()
     this.size = stats.size
-    this.stats = stats
   }
 }
 
@@ -138,3 +138,30 @@ exports.splitPath = (fullpath, subpaths = []) => {
 
   return exports.splitPath(dir, [ base ].concat(subpaths))
 }
+
+/**
+ * @summary Get constraint path device
+ * @param {String} pathname - device path
+ * @param {Function} callback - callback(error, constraintDevice)
+ * @example
+ * files.getConstraintDevice('/dev/disk2', (error, device) => {
+ *   // ...
+ * })
+ */
+exports.getConstraintDevice = (pathname, callback) => {
+  drivelist.list((error, devices) => {
+    if (error) {
+      callback()
+      return
+    }
+
+    const constraintDevice = devices.find((device) => {
+      return device.device === pathname ||
+        device.devicePath === pathname
+    })
+
+    callback(null, constraintDevice)
+  })
+}
+
+exports.FileEntry = FileEntry