diff --git a/HSMonitor/ViewModels/Settings/ConnectionSettingsTabViewModel.cs b/HSMonitor/ViewModels/Settings/ConnectionSettingsTabViewModel.cs
index c740939..484de37 100644
--- a/HSMonitor/ViewModels/Settings/ConnectionSettingsTabViewModel.cs
+++ b/HSMonitor/ViewModels/Settings/ConnectionSettingsTabViewModel.cs
@@ -1,14 +1,17 @@
 using System.Collections.Generic;
 using System.IO.Ports;
 using System.Linq;
+using HSMonitor.Models;
 using HSMonitor.Services;
+using HSMonitor.Utils.Serial;
+using HSMonitor.Utils.Usb.Serial;
 
 namespace HSMonitor.ViewModels.Settings;
 
 public class ConnectionSettingsTabViewModel : SettingsTabBaseViewModel
 {
-    private IEnumerable<string> _availablePorts = SerialPort.GetPortNames();
-    public IEnumerable<string> AvailablePorts
+    private IEnumerable<DeviceInfo> _availablePorts = Serial.GetPorts();
+    public IEnumerable<DeviceInfo> AvailablePorts
     {
         get => _availablePorts;
         private set
@@ -35,10 +38,12 @@ private set
         921600
     };
 
-    public string SelectedPort
+    public DeviceInfo SelectedDevice
     {
-        get => SettingsService.Settings.LastSelectedPort ?? "COM1";
-        set => SettingsService.Settings.LastSelectedPort = value;
+        get =>
+            AvailablePorts.FirstOrDefault(p => p.PortName ==
+                                               (SettingsService.Settings.LastSelectedPort ?? "COM1")) ?? new DeviceInfo();
+        set => SettingsService.Settings.LastSelectedPort = value.PortName;
     }
     
     public int SelectedBaudRate
@@ -61,14 +66,12 @@ public int DeviceDisplayBrightness
 
     public void UpdateAvailablePorts()
     {
-        AvailablePorts = new List<string>();
-        AvailablePorts = SerialPort.GetPortNames();
+        AvailablePorts = new List<DeviceInfo>();
+        AvailablePorts = Serial.GetPorts();
     }
     
-    public ConnectionSettingsTabViewModel(SettingsService settingsService) 
+    public ConnectionSettingsTabViewModel(SettingsService settingsService, Serial serial) 
         : base(settingsService, 0, "Connection")
     {
-        if (SettingsService is {Settings: not null}) 
-            SelectedPort = SettingsService.Settings.LastSelectedPort ?? (AvailablePorts.FirstOrDefault() ?? "COM1");
     }
 }
\ No newline at end of file
diff --git a/HSMonitor/ViewModels/Settings/HardwareSettingsTabViewModel.cs b/HSMonitor/ViewModels/Settings/HardwareSettingsTabViewModel.cs
index 0f1574f..676522b 100644
--- a/HSMonitor/ViewModels/Settings/HardwareSettingsTabViewModel.cs
+++ b/HSMonitor/ViewModels/Settings/HardwareSettingsTabViewModel.cs
@@ -2,6 +2,7 @@
 using System.Linq;
 using HSMonitor.Services;
 using LibreHardwareMonitor.Hardware;
+using LibreHardwareMonitor.Hardware.Cpu;
 
 namespace HSMonitor.ViewModels.Settings;
 
@@ -9,47 +10,37 @@ public class HardwareSettingsTabViewModel : SettingsTabBaseViewModel
 {
     private readonly SettingsService _settingsService;
 
-    public IEnumerable<IHardware> Processors => HardwareMonitorService.GetProcessors();
+    public List<IHardware> Processors => HardwareMonitorService.GetProcessors().ToList();
 
-    public IEnumerable<IHardware> GraphicCards => HardwareMonitorService.GetGraphicCards();
+    public List<IHardware> GraphicCards => HardwareMonitorService.GetGraphicCards().ToList();
 
     public IHardware SelectedCpu
     {
-        get => HardwareMonitorService
-                   .GetProcessors()
-                   .FirstOrDefault(c =>
-                       c.Identifier
-                           .ToString()
-                           .Contains(_settingsService.Settings.CpuId ?? ""))
-               ?? HardwareMonitorService.GetProcessors().First();
-        set => _settingsService.Settings.CpuId =
-            (HardwareMonitorService
-                 .GetProcessors()
-                 .FirstOrDefault(c =>
-                     c.Identifier
-                         .ToString()
-                         .Contains(value.Identifier.ToString()))
-             ?? HardwareMonitorService.GetProcessors().First()).Identifier
-            .ToString();
+        get =>
+            Processors
+                .FirstOrDefault(c =>
+                    c.Identifier.ToString()!.Contains(_settingsService.Settings.CpuId ?? ""))
+            ?? Processors.First();
+        set =>
+            _settingsService.Settings.CpuId =
+                (Processors
+                     .FirstOrDefault(c =>
+                         c.Identifier.ToString()!.Contains(value.Identifier.ToString() ?? string.Empty))
+                 ?? Processors.First()).Identifier
+                .ToString();
     }
 
     public IHardware SelectedGpu
     {
-        get => HardwareMonitorService
-                   .GetGraphicCards()
+        get => GraphicCards
                    .FirstOrDefault(c =>
-                       c.Identifier
-                           .ToString()
-                           .Contains(_settingsService.Settings.GpuId ?? ""))
-               ?? HardwareMonitorService.GetGraphicCards().First();
+                       c.Identifier.ToString()!.Contains(_settingsService.Settings.GpuId ?? ""))
+               ?? GraphicCards.First();
         set => _settingsService.Settings.GpuId =
-            (HardwareMonitorService
-                 .GetGraphicCards()
+            (GraphicCards
                  .FirstOrDefault(c =>
-                     c.Identifier
-                         .ToString()
-                         .Contains(value.Identifier.ToString()))
-             ?? HardwareMonitorService.GetGraphicCards().First()).Identifier
+                     c.Identifier.ToString()!.Contains(value.Identifier.ToString() ?? string.Empty))
+             ?? GraphicCards.First()).Identifier
             .ToString();
     }
 
@@ -70,19 +61,19 @@ public HardwareSettingsTabViewModel(SettingsService settingsService)
     {
         _settingsService = settingsService;
         if (SettingsService is not {Settings: not null}) return;
-        SelectedCpu = HardwareMonitorService
-                          .GetProcessors()
-                          .FirstOrDefault(c =>
-                              c.Identifier
-                                  .ToString()
-                                  .Contains(_settingsService.Settings.CpuId ?? ""))
-                      ?? HardwareMonitorService.GetProcessors().First();
-        SelectedGpu = HardwareMonitorService
-                          .GetGraphicCards()
-                          .FirstOrDefault(c =>
-                              c.Identifier
-                                  .ToString()
-                                  .Contains(_settingsService.Settings.GpuId ?? ""))
-                      ?? HardwareMonitorService.GetGraphicCards().First();
+        if (Processors is {Count: > 0})
+        {
+            SelectedCpu = Processors
+                              .FirstOrDefault(c =>
+                                  c.Identifier.ToString()!.Contains(_settingsService.Settings.CpuId ?? ""))
+                          ?? Processors.First();
+        }
+        if (GraphicCards is {Count: > 0})
+        {
+            SelectedGpu = GraphicCards
+                              .FirstOrDefault(c =>
+                                  c.Identifier.ToString()!.Contains(_settingsService.Settings.GpuId ?? ""))
+                          ?? GraphicCards.First();
+        }
     }
 }
\ No newline at end of file
diff --git a/HSMonitor/Views/Settings/ConnectionSettingsTabView.xaml.cs b/HSMonitor/Views/Settings/ConnectionSettingsTabView.xaml.cs
index 3c568cd..6478022 100644
--- a/HSMonitor/Views/Settings/ConnectionSettingsTabView.xaml.cs
+++ b/HSMonitor/Views/Settings/ConnectionSettingsTabView.xaml.cs
@@ -1,6 +1,4 @@
-using System.Text.RegularExpressions;
-using System.Windows.Controls;
-using System.Windows.Input;
+using System.Windows.Controls;
 
 namespace HSMonitor.Views.Settings;