diff --git a/Modules/Disk/readers.swift b/Modules/Disk/readers.swift
index 094327f1..286318fc 100644
--- a/Modules/Disk/readers.swift
+++ b/Modules/Disk/readers.swift
@@ -35,6 +35,10 @@ let kIOCFPlugInInterfaceID = CFUUIDGetConstantUUIDWithBytes(nil,
 internal class CapacityReader: Reader<Disks> {
     internal var list: Disks = Disks()
     
+    private var SMART: Bool {
+        Store.shared.bool(key: "\(ModuleType.disk.rawValue)_SMART", defaultValue: true)
+    }
+    
     public override func read() {
         let keys: [URLResourceKey] = [.volumeNameKey]
         let removableState = Store.shared.bool(key: "Disk_removable", defaultValue: false)
@@ -129,6 +133,8 @@ internal class CapacityReader: Reader<Disks> {
     }
     
     private func getSMARTDetails(for BSDName: String) -> smart_t? {
+        guard self.SMART else { return nil }
+        
         var disk = IOServiceGetMatchingService(kIOMasterPortDefault, IOBSDNameMatching(kIOMasterPortDefault, 0, BSDName.cString(using: .utf8)))
         guard disk != kIOReturnSuccess else { return nil }
         defer { IOObjectRelease(disk) }
diff --git a/Modules/Disk/settings.swift b/Modules/Disk/settings.swift
index da48bcc0..e09d4b37 100644
--- a/Modules/Disk/settings.swift
+++ b/Modules/Disk/settings.swift
@@ -19,6 +19,7 @@ internal class Settings: NSStackView, Settings_v {
     private var updateIntervalValue: Int = 10
     private var numberOfProcesses: Int = 5
     private var baseValue: String = "byte"
+    private var SMARTState: Bool = true
     
     public var selectedDiskHandler: (String) -> Void = {_ in }
     public var callback: (() -> Void) = {}
@@ -38,6 +39,7 @@ internal class Settings: NSStackView, Settings_v {
         self.updateIntervalValue = Store.shared.int(key: "\(self.title)_updateInterval", defaultValue: self.updateIntervalValue)
         self.numberOfProcesses = Store.shared.int(key: "\(self.title)_processes", defaultValue: self.numberOfProcesses)
         self.baseValue = Store.shared.string(key: "\(self.title)_base", defaultValue: self.baseValue)
+        self.SMARTState = Store.shared.bool(key: "\(self.title)_SMART", defaultValue: self.SMARTState)
         
         super.init(frame: NSRect.zero)
         
@@ -90,6 +92,13 @@ internal class Settings: NSStackView, Settings_v {
                 ))
             ]))
         }
+        
+        self.addArrangedSubview(PreferencesSection([
+            PreferencesRow(localizedString("SMART data"), component: switchView(
+                action: #selector(self.toggleSMART),
+                state: self.SMARTState
+            ))
+        ]))
     }
     
     internal func setList(_ list: Disks) {
@@ -143,4 +152,9 @@ internal class Settings: NSStackView, Settings_v {
         self.baseValue = key
         Store.shared.set(key: "\(self.title)_base", value: self.baseValue)
     }
+    @objc private func toggleSMART(_ sender: NSControl) {
+        self.SMARTState = controlState(sender)
+        Store.shared.set(key: "\(self.title)_SMART", value: self.SMARTState)
+        self.callback()
+    }
 }