diff --git a/CHANGELOG.md b/CHANGELOG.md
index bc33175..1b252a9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -100,6 +100,7 @@ Other changes
 
 | Version        | Date           | Comment  |
 | -------------- | -------------- | -------- |
+| 3.49.3         | 2018-11-20     | `memLayout()` optimized parsing (win) |
 | 3.49.2         | 2018-11-19     | code cleanup |
 | 3.49.1         | 2018-11-19     | `cpu().brand` removed extra spaces, tabs |
 | 3.49.0         | 2018-11-19     | added system `uuid()` (os specific), `versions()` added postgresql |
diff --git a/lib/memory.js b/lib/memory.js
index 70c8c80..d021d02 100644
--- a/lib/memory.js
+++ b/lib/memory.js
@@ -334,24 +334,24 @@ function memLayout(callback) {
         const FormFactors = 'Unknown|Other|SIP|DIP|ZIP|SOJ|Proprietary|SIMM|DIMM|TSOP|PGA|RIMM|SODIMM|SRIMM|SMD|SSMP|QFP|TQFP|SOIC|LCC|PLCC|BGA|FPBGA|LGA'.split('|');
 
         try {
-          exec(util.getWmic() + ' memorychip get BankLabel, Capacity, ConfiguredClockSpeed, ConfiguredVoltage, MaxVoltage, MinVoltage, DataWidth, FormFactor, Manufacturer, MemoryType, PartNumber, SerialNumber, Speed, Tag /value', util.execOptsWin, function (error, stdout) {
+          exec(util.getWmic() + ' memorychip get /value', util.execOptsWin, function (error, stdout) {
             if (!error) {
               let devices = stdout.toString().split('BankL');
               devices.shift();
               devices.forEach(function (device) {
                 let lines = device.split('\r\n');
                 result.push({
-                  size: parseInt(util.getValue(lines, 'Capacity', '='), 10),
+                  size: parseInt(util.getValue(lines, 'Capacity', '='), 10) || 0,
                   bank: util.getValue(lines, 'abel', '='), // BankLabel
                   type: memoryTypes[parseInt(util.getValue(lines, 'MemoryType', '='), 10)],
-                  clockSpeed: parseInt(util.getValue(lines, 'ConfiguredClockSpeed', '='), 10),
-                  formFactor: FormFactors[parseInt(util.getValue(lines, 'FormFactor', '='), 10)],
+                  clockSpeed: parseInt(util.getValue(lines, 'ConfiguredClockSpeed', '='), 10) || 0,
+                  formFactor: FormFactors[parseInt(util.getValue(lines, 'FormFactor', '='), 10) || 0],
                   manufacturer: util.getValue(lines, 'Manufacturer', '='),
                   partNum: util.getValue(lines, 'PartNumber', '='),
                   serialNum: util.getValue(lines, 'SerialNumber', '='),
-                  voltageConfigured: parseInt(util.getValue(lines, 'ConfiguredVoltage', '='), 10) / 1000.0,
-                  voltageMin: parseInt(util.getValue(lines, 'MinVoltage', '='), 10) / 1000.0,
-                  voltageMax: parseInt(util.getValue(lines, 'MaxVoltage', '='), 10) / 1000.0,
+                  voltageConfigured: (parseInt(util.getValue(lines, 'ConfiguredVoltage', '='), 10) || 0) / 1000.0,
+                  voltageMin: (parseInt(util.getValue(lines, 'MinVoltage', '='), 10) || 0) / 1000.0,
+                  voltageMax: (parseInt(util.getValue(lines, 'MaxVoltage', '='), 10) || 0) / 1000.0,
                 });
               });
             }