diff --git a/lib/gui/components/drive-selector/controllers/drive-selector.js b/lib/gui/components/drive-selector/controllers/drive-selector.js
index 8ec1a003..d62528ae 100644
--- a/lib/gui/components/drive-selector/controllers/drive-selector.js
+++ b/lib/gui/components/drive-selector/controllers/drive-selector.js
@@ -18,7 +18,7 @@
 
 const _ = require('lodash');
 
-module.exports = function($uibModalInstance, DrivesModel, SelectionStateModel) {
+module.exports = function($uibModalInstance, DrivesModel, SelectionStateModel, WarningModalService) {
 
   /**
    * @summary The drive selector state
@@ -40,6 +40,44 @@ module.exports = function($uibModalInstance, DrivesModel, SelectionStateModel) {
    */
   this.drives = DrivesModel;
 
+  /**
+   * @summary Toggle a drive selection
+   * @function
+   * @public
+   *
+   * @param {Object} drive - drive
+   *
+   * @example
+   * DriveSelectorController.toggleDrive({
+   *   device: '/dev/disk2',
+   *   size: 999999999,
+   *   name: 'Cruzer USB drive'
+   * });
+   */
+  this.toggleDrive = (drive) => {
+    if (!SelectionStateModel.isDriveValid(drive)) {
+      return;
+    }
+
+    if (_.some([
+      SelectionStateModel.isDriveSizeRecommended(drive),
+      SelectionStateModel.isCurrentDrive(drive.device)
+    ])) {
+      SelectionStateModel.toggleSetDrive(drive.device);
+      return;
+    }
+
+    WarningModalService.display([
+      `This image recommends a ${SelectionStateModel.getImageRecommendedDriveSize()}`,
+      `bytes drive, however ${drive.device} is only ${drive.size} bytes.`,
+      'Are you sure you want to continue?'
+    ].join(' ')).then((userAccepted) => {
+      if (userAccepted) {
+        SelectionStateModel.toggleSetDrive(drive.device);
+      }
+    });
+  };
+
   /**
    * @summary Close the modal and resolve the selected drive
    * @function
@@ -55,7 +93,6 @@ module.exports = function($uibModalInstance, DrivesModel, SelectionStateModel) {
     // the drive is then unplugged from the computer and the modal
     // is resolved with a non-existent drive.
     if (!selectedDrive || !_.includes(this.drives.getDrives(), selectedDrive)) {
-
       $uibModalInstance.close();
     } else {
       $uibModalInstance.close(selectedDrive);
diff --git a/lib/gui/components/drive-selector/drive-selector.js b/lib/gui/components/drive-selector/drive-selector.js
index 37b73600..c4e2ac89 100644
--- a/lib/gui/components/drive-selector/drive-selector.js
+++ b/lib/gui/components/drive-selector/drive-selector.js
@@ -24,6 +24,7 @@ const angular = require('angular');
 const MODULE_NAME = 'Etcher.Components.DriveSelector';
 const DriveSelector = angular.module(MODULE_NAME, [
   require('../modal/modal'),
+  require('../warning-modal/warning-modal'),
   require('../../models/drives'),
   require('../../models/selection-state'),
   require('../../utils/byte-size/byte-size')
diff --git a/lib/gui/components/drive-selector/templates/drive-selector-modal.tpl.html b/lib/gui/components/drive-selector/templates/drive-selector-modal.tpl.html
index 17d65e6f..7817ceda 100644
--- a/lib/gui/components/drive-selector/templates/drive-selector-modal.tpl.html
+++ b/lib/gui/components/drive-selector/templates/drive-selector-modal.tpl.html
@@ -7,13 +7,18 @@
   <ul class="list-group">
     <li class="list-group-item" ng-repeat="drive in modal.drives.getDrives() track by drive.device"
       ng-disabled="!modal.state.isDriveValid(drive)"
-      ng-click="modal.state.isDriveValid(drive) && modal.state.toggleSetDrive(drive.device)">
+      ng-click="modal.toggleDrive(drive)">
         <div>
           <h4 class="list-group-item-heading">{{ drive.description }} - {{ drive.size | gigabyte | number:1 }} GB</h4>
           <p class="list-group-item-text">{{ drive.name }}</p>
 
           <footer class="list-group-item-footer">
 
+            <span class="label label-warning"
+                ng-show="modal.state.isDriveLargeEnough(drive) && !modal.state.isDriveLocked(drive) && !modal.state.isDriveSizeRecommended(drive)">
+                <i class="glyphicon glyphicon-warning-sign"></i>
+                NOT RECOMMENDED</span>
+
             <!-- There can be a case where the device it not large enough, and it's also locked. -->
             <!-- Since in this case both labels will be displayed, we chose to only show the -->
             <!-- "not large enough label", since from the point of view of the user, the locked -->
diff --git a/lib/gui/pages/settings/controllers/settings-dangerous-modal.js b/lib/gui/components/warning-modal/controllers/warning-modal.js
similarity index 84%
rename from lib/gui/pages/settings/controllers/settings-dangerous-modal.js
rename to lib/gui/components/warning-modal/controllers/warning-modal.js
index c9978f0f..097dd451 100644
--- a/lib/gui/pages/settings/controllers/settings-dangerous-modal.js
+++ b/lib/gui/components/warning-modal/controllers/warning-modal.js
@@ -26,24 +26,24 @@ module.exports = function($uibModalInstance, message) {
   this.message = message;
 
   /**
-   * @summary Reject the dangerous setting
+   * @summary Reject the warning prompt
    * @function
    * @public
    *
    * @example
-   * SettingsDangerousModalController.reject();
+   * WarningModalController.reject();
    */
   this.reject = () => {
     $uibModalInstance.close(false);
   };
 
   /**
-   * @summary Accept the dangerous setting
+   * @summary Accept the warning prompt
    * @function
    * @public
    *
    * @example
-   * SettingsDangerousModalController.accept();
+   * WarningModalController.accept();
    */
   this.accept = () => {
     $uibModalInstance.close(true);
diff --git a/lib/gui/components/warning-modal/services/warning-modal.js b/lib/gui/components/warning-modal/services/warning-modal.js
new file mode 100644
index 00000000..03adb5c1
--- /dev/null
+++ b/lib/gui/components/warning-modal/services/warning-modal.js
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2016 Resin.io
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+'use strict';
+
+const _ = require('lodash');
+
+module.exports = function(ModalService) {
+
+  /**
+   * @summary Display the warning modal
+   * @function
+   * @public
+   *
+   * @param {String} message - danger message
+   * @fulfil {Boolean} - whether the user accepted or rejected the warning
+   * @returns {Promise}
+   *
+   * @example
+   * WarningModalService.display('Don\'t do this!');
+   */
+  this.display = (message) => {
+    return ModalService.open({
+      template: './components/warning-modal/templates/warning-modal.tpl.html',
+      controller: 'WarningModalController as modal',
+      size: 'settings-dangerous-modal',
+      resolve: {
+        message: _.constant(message)
+      }
+    }).result;
+  };
+
+};
diff --git a/lib/gui/components/warning-modal/styles/_warning-modal.scss b/lib/gui/components/warning-modal/styles/_warning-modal.scss
new file mode 100644
index 00000000..99d95785
--- /dev/null
+++ b/lib/gui/components/warning-modal/styles/_warning-modal.scss
@@ -0,0 +1,19 @@
+/*
+ * Copyright 2016 Resin.io
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+.modal-warning-modal .modal-title .glyphicon {
+  color: $palette-theme-danger-background;
+}
diff --git a/lib/gui/pages/settings/templates/settings-dangerous-modal.tpl.html b/lib/gui/components/warning-modal/templates/warning-modal.tpl.html
similarity index 87%
rename from lib/gui/pages/settings/templates/settings-dangerous-modal.tpl.html
rename to lib/gui/components/warning-modal/templates/warning-modal.tpl.html
index 7c7b7bd1..1e72acfc 100644
--- a/lib/gui/pages/settings/templates/settings-dangerous-modal.tpl.html
+++ b/lib/gui/components/warning-modal/templates/warning-modal.tpl.html
@@ -7,7 +7,7 @@
 
 <div class="modal-body">
   <div class="modal-text">
-    <p>Are you sure you want to turn this on? {{ modal.message }}</p>
+    <p>{{ ::modal.message }}</p>
   </div>
 </div>
 
diff --git a/lib/gui/components/warning-modal/warning-modal.js b/lib/gui/components/warning-modal/warning-modal.js
new file mode 100644
index 00000000..a067e197
--- /dev/null
+++ b/lib/gui/components/warning-modal/warning-modal.js
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2016 Resin.io
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+'use strict';
+
+/**
+ * @module Etcher.Components.WarningModal
+ */
+
+const angular = require('angular');
+const MODULE_NAME = 'Etcher.Components.WarningModal';
+const WarningModal = angular.module(MODULE_NAME, [
+  require('../modal/modal')
+]);
+
+WarningModal.controller('WarningModalController', require('./controllers/warning-modal'));
+WarningModal.service('WarningModalService', require('./services/warning-modal'));
+
+module.exports = MODULE_NAME;
diff --git a/lib/gui/models/selection-state.js b/lib/gui/models/selection-state.js
index c6d72ad7..9bd004b4 100644
--- a/lib/gui/models/selection-state.js
+++ b/lib/gui/models/selection-state.js
@@ -81,6 +81,37 @@ SelectionStateModel.service('SelectionStateModel', function(DrivesModel) {
     return (this.getImageSize() || 0) <= drive.size;
   };
 
+  /**
+   * @summary Check if a drive meets the recommended drive size suggestion
+   * @function
+   * @public
+   *
+   * @description
+   * For convenience, if there is no image selected, this function
+   * returns true.
+   *
+   * @param {Object} drive - drive
+   * @returns {Boolean} whether the drive size is recommended
+   *
+   * @example
+   * SelectionStateModel.setImage({
+   *   path: 'rpi.img',
+   *   size: 100000000
+   *   recommendedDriveSize: 200000000
+   * });
+   *
+   * if (SelectionStateModel.isDriveSizeRecommended({
+   *   device: '/dev/disk2',
+   *   name: 'My Drive',
+   *   size: 400000000
+   * })) {
+   *   console.log('We meet the recommended drive size!');
+   * }
+   */
+  this.isDriveSizeRecommended = (drive) => {
+    return drive.size >= (this.getImageRecommendedDriveSize() || 0);
+  };
+
   /**
    * @summary Check if a drive is locked
    * @function
@@ -274,6 +305,20 @@ SelectionStateModel.service('SelectionStateModel', function(DrivesModel) {
     return _.get(Store.getState().toJS(), 'selection.image.supportUrl');
   };
 
+  /**
+   * @summary Get image recommended drive size
+   * @function
+   * @public
+   *
+   * @returns {String} image recommended drive size
+   *
+   * @example
+   * const imageRecommendedDriveSize = SelectionStateModel.getImageRecommendedDriveSize();
+   */
+  this.getImageRecommendedDriveSize = () => {
+    return _.get(Store.getState().toJS(), 'selection.image.recommendedDriveSize');
+  };
+
   /**
    * @summary Check if there is a selected drive
    * @function
diff --git a/lib/gui/models/store.js b/lib/gui/models/store.js
index 07779444..60e8040b 100644
--- a/lib/gui/models/store.js
+++ b/lib/gui/models/store.js
@@ -94,8 +94,16 @@ const storeReducer = (state, action) => {
 
         const drive = _.first(action.data);
 
-        // TODO: Reuse from SelectionStateModel.isDriveValid()
-        if (state.getIn([ 'selection', 'image', 'size' ], 0) <= drive.size && !drive.protected) {
+        if (_.every([
+
+          // TODO: Reuse from SelectionStateModel.isDriveValid()
+          state.getIn([ 'selection', 'image', 'size' ], 0) <= drive.size,
+
+          // TODO: Reuse from SelectionStateModel.isDriveSizeRecommended()
+          state.getIn([ 'selection', 'image', 'recommendedDriveSize' ], 0) <= drive.size,
+
+          !drive.protected
+        ])) {
           return storeReducer(newState, {
             type: ACTIONS.SELECT_DRIVE,
             data: drive.device
@@ -260,7 +268,10 @@ const storeReducer = (state, action) => {
       });
 
       return _.attempt(() => {
-        if (selectedDrive && selectedDrive.get('size', 0) < action.data.size) {
+        if (_.some([
+          selectedDrive && selectedDrive.get('size', 0) < action.data.size,
+          selectedDrive && selectedDrive.get('size', 0) < action.data.recommendedDriveSize
+        ])) {
           return storeReducer(state, {
             type: ACTIONS.REMOVE_DRIVE
           });
diff --git a/lib/gui/pages/settings/controllers/settings.js b/lib/gui/pages/settings/controllers/settings.js
index ac50d9a2..f221a7f9 100644
--- a/lib/gui/pages/settings/controllers/settings.js
+++ b/lib/gui/pages/settings/controllers/settings.js
@@ -16,9 +16,7 @@
 
 'use strict';
 
-const _ = require('lodash');
-
-module.exports = function(ModalService, SettingsModel) {
+module.exports = function(WarningModalService, SettingsModel) {
 
   /**
    * @summary Refresh current settings
@@ -62,14 +60,7 @@ module.exports = function(ModalService, SettingsModel) {
       return this.refreshSettings();
     }
 
-    ModalService.open({
-      template: './pages/settings/templates/settings-dangerous-modal.tpl.html',
-      controller: 'SettingsDangerousModalController as modal',
-      size: 'settings-dangerous-modal',
-      resolve: {
-        message: _.constant(message)
-      }
-    }).result.then((userAccepted) => {
+    WarningModalService.display(message).then((userAccepted) => {
       this.model.set(name, Boolean(userAccepted));
       this.refreshSettings();
     });
diff --git a/lib/gui/pages/settings/settings.js b/lib/gui/pages/settings/settings.js
index 6662f71c..01045eb1 100644
--- a/lib/gui/pages/settings/settings.js
+++ b/lib/gui/pages/settings/settings.js
@@ -24,12 +24,11 @@ const angular = require('angular');
 const MODULE_NAME = 'Etcher.Pages.Settings';
 const SettingsPage = angular.module(MODULE_NAME, [
   require('angular-ui-router'),
-  require('../../components/modal/modal'),
+  require('../../components/warning-modal/warning-modal'),
   require('../../models/settings')
 ]);
 
 SettingsPage.controller('SettingsController', require('./controllers/settings'));
-SettingsPage.controller('SettingsDangerousModalController', require('./controllers/settings-dangerous-modal'));
 
 SettingsPage.config(($stateProvider) => {
   $stateProvider
diff --git a/lib/gui/pages/settings/styles/_settings.scss b/lib/gui/pages/settings/styles/_settings.scss
index d415b1ef..a47b203b 100644
--- a/lib/gui/pages/settings/styles/_settings.scss
+++ b/lib/gui/pages/settings/styles/_settings.scss
@@ -31,7 +31,3 @@
   margin-top: 30px;
   margin-bottom: 15px;
 }
-
-.modal-settings-dangerous-modal .modal-title .glyphicon {
-  color: $palette-theme-danger-background;
-}
diff --git a/lib/gui/pages/settings/templates/settings.tpl.html b/lib/gui/pages/settings/templates/settings.tpl.html
index 0109e639..786315fd 100644
--- a/lib/gui/pages/settings/templates/settings.tpl.html
+++ b/lib/gui/pages/settings/templates/settings.tpl.html
@@ -37,7 +37,7 @@
     <label>
       <input type="checkbox"
         ng-model="settings.currentData.unsafeMode"
-        ng-change="settings.enableDangerousSetting('unsafeMode', 'You will be able to burn to your system drives.')">
+        ng-change="settings.enableDangerousSetting('unsafeMode', 'Are you sure you want to turn this on? You will be able to burn to your system drives.')">
 
       <span>Unsafe mode <span class="label label-danger">DANGEROUS</span></span>
     </label>
diff --git a/lib/gui/scss/main.scss b/lib/gui/scss/main.scss
index 590caa68..212cd9c0 100644
--- a/lib/gui/scss/main.scss
+++ b/lib/gui/scss/main.scss
@@ -36,6 +36,7 @@ $link-color: #ddd;
 @import "../components/drive-selector/styles/drive-selector";
 @import "../components/tooltip-modal/styles/tooltip-modal";
 @import "../components/flash-error-modal/styles/flash-error-modal";
+@import "../components/warning-modal/styles/warning-modal";
 @import "../pages/main/styles/main";
 @import "../pages/settings/styles/settings";
 @import "../pages/finish/styles/finish";
diff --git a/tests/gui/models/drives.spec.js b/tests/gui/models/drives.spec.js
index 3579886b..4e242066 100644
--- a/tests/gui/models/drives.spec.js
+++ b/tests/gui/models/drives.spec.js
@@ -111,7 +111,8 @@ describe('Browser: DrivesModel', function() {
             SelectionStateModel.removeDrive();
             SelectionStateModel.setImage({
               path: 'foo.img',
-              size: 999999999
+              size: 999999999,
+              recommendedDriveSize: 2000000000
             });
           });
 
@@ -151,7 +152,7 @@ describe('Browser: DrivesModel', function() {
               {
                 device: '/dev/sdb',
                 name: 'Foo',
-                size: 999999999,
+                size: 2000000000,
                 mountpoint: '/mnt/foo',
                 system: false,
                 protected: false
@@ -161,7 +162,7 @@ describe('Browser: DrivesModel', function() {
             m.chai.expect(SelectionStateModel.getDrive()).to.deep.equal({
               device: '/dev/sdb',
               name: 'Foo',
-              size: 999999999,
+              size: 2000000000,
               mountpoint: '/mnt/foo',
               system: false,
               protected: false
@@ -185,6 +186,23 @@ describe('Browser: DrivesModel', function() {
             m.chai.expect(SelectionStateModel.hasDrive()).to.be.false;
           });
 
+          it('should not auto-select a single drive that doesn\'t meet the recommended size', function() {
+            m.chai.expect(SelectionStateModel.hasDrive()).to.be.false;
+
+            DrivesModel.setDrives([
+              {
+                device: '/dev/sdb',
+                name: 'Foo',
+                size: 1500000000,
+                mountpoint: '/mnt/foo',
+                system: false,
+                protected: false
+              }
+            ]);
+
+            m.chai.expect(SelectionStateModel.hasDrive()).to.be.false;
+          });
+
           it('should not auto-select a single protected drive', function() {
             m.chai.expect(SelectionStateModel.hasDrive()).to.be.false;
 
diff --git a/tests/gui/models/selection-state.spec.js b/tests/gui/models/selection-state.spec.js
index 45eaa2d0..8fe3810c 100644
--- a/tests/gui/models/selection-state.spec.js
+++ b/tests/gui/models/selection-state.spec.js
@@ -59,6 +59,10 @@ describe('Browser: SelectionState', function() {
         m.chai.expect(SelectionStateModel.getImageSupportUrl()).to.be.undefined;
       });
 
+      it('getImageRecommendedDriveSize() should return undefined', function() {
+        m.chai.expect(SelectionStateModel.getImageRecommendedDriveSize()).to.be.undefined;
+      });
+
       it('hasDrive() should return false', function() {
         const hasDrive = SelectionStateModel.hasDrive();
         m.chai.expect(hasDrive).to.be.false;
@@ -274,6 +278,7 @@ describe('Browser: SelectionState', function() {
         SelectionStateModel.setImage({
           path: 'foo.img',
           size: 999999999,
+          recommendedDriveSize: 1000000000,
           url: 'https://www.raspbian.org',
           supportUrl: 'https://www.raspbian.org/forums/',
           name: 'Raspbian',
@@ -318,6 +323,43 @@ describe('Browser: SelectionState', function() {
 
       });
 
+      describe('.isDriveSizeRecommended()', function() {
+
+        it('should return true if the drive size is greater than the recommended size', function() {
+          const result = SelectionStateModel.isDriveSizeRecommended({
+            device: '/dev/disk1',
+            name: 'USB Drive',
+            size: 1000000001,
+            protected: false
+          });
+
+          m.chai.expect(result).to.be.true;
+        });
+
+        it('should return true if the drive size is equal to the recommended size', function() {
+          const result = SelectionStateModel.isDriveSizeRecommended({
+            device: '/dev/disk1',
+            name: 'USB Drive',
+            size: 1000000000,
+            protected: false
+          });
+
+          m.chai.expect(result).to.be.true;
+        });
+
+        it('should return false if the drive size is less than the recommended size', function() {
+          const result = SelectionStateModel.isDriveSizeRecommended({
+            device: '/dev/disk1',
+            name: 'USB Drive',
+            size: 999999999,
+            protected: false
+          });
+
+          m.chai.expect(result).to.be.false;
+        });
+
+      });
+
       describe('.isDriveValid()', function() {
 
         it('should return true if the drive is large enough and it is not locked', function() {
@@ -439,6 +481,15 @@ describe('Browser: SelectionState', function() {
 
       });
 
+      describe('.getImageRecommendedDriveSize()', function() {
+
+        it('should return the image recommended drive size', function() {
+          const imageRecommendedDriveSize = SelectionStateModel.getImageRecommendedDriveSize();
+          m.chai.expect(imageRecommendedDriveSize).to.equal(1000000000);
+        });
+
+      });
+
       describe('.hasImage()', function() {
 
         it('should return true', function() {
@@ -495,6 +546,20 @@ describe('Browser: SelectionState', function() {
 
       });
 
+      describe('.isDriveSizeRecommended()', function() {
+
+        it('should return true', function() {
+          const result = SelectionStateModel.isDriveSizeRecommended({
+            device: '/dev/disk1',
+            name: 'USB Drive',
+            size: 1
+          });
+
+          m.chai.expect(result).to.be.true;
+        });
+
+      });
+
       describe('.setImage()', function() {
 
         it('should be able to set an image', function() {
@@ -595,6 +660,29 @@ describe('Browser: SelectionState', function() {
           SelectionStateModel.removeImage();
         });
 
+        it('should de-select a previously selected not-recommended drive', function() {
+          DrivesModel.setDrives([
+            {
+              device: '/dev/disk1',
+              name: 'USB Drive',
+              size: 1200000000,
+              protected: false
+            }
+          ]);
+
+          SelectionStateModel.setDrive('/dev/disk1');
+          m.chai.expect(SelectionStateModel.hasDrive()).to.be.true;
+
+          SelectionStateModel.setImage({
+            path: 'foo.img',
+            size: 999999999,
+            recommendedDriveSize: 1500000000
+          });
+
+          m.chai.expect(SelectionStateModel.hasDrive()).to.be.false;
+          SelectionStateModel.removeImage();
+        });
+
       });
 
     });