diff --git a/CHANGELOG.md b/CHANGELOG.md
index b12e654..62dbe43 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -100,6 +100,7 @@ Other changes
 
 | Version        | Date           | Comment  |
 | -------------- | -------------- | -------- |
+| 3.48.0         | 2018-11-17     | `diskLayout()` better interface detection (WIN), `osInfo()` added build, serial |
 | 3.47.0         | 2018-11-06     | `versions()` added docker, postfix |
 | 3.46.0         | 2018-11-05     | fixed issue `versions()`, added system openssl version |
 | 3.45.10        | 2018-11-03     | fixed issue `battery()`, modified `package.json` - files |
diff --git a/README.md b/README.md
index b2b644d..0a6587d 100644
--- a/README.md
+++ b/README.md
@@ -59,13 +59,13 @@ async function cpu() {
 
 (last 7 major and minor version releases)
 
-- Version 3.47.0: `version()` added docker, postfix)
+- Version 3.48.0: `osInfo()` added build, serial (Windows/macOS)
+- Version 3.47.0: `version()` added docker, postfix
 - Version 3.46.0: `version()` added system openssl version (besides the one inside node.js)
 - Version 3.45.0: `diskLayout()` added S.M.A.R.T. status
 - Version 3.44.0: `battery()` added type, model, manufacturer, serial, timeremaining
 - Version 3.43.0: added speed per CPU core `cpuCurrentspeed()`
 - Version 3.42.0: added parent process PID `processes()`
-- Version 3.41.0: first partial `SunOS` support
 - ...
 
 You can find all changes here: [detailed changelog][changelog-url]
diff --git a/lib/filesystem.js b/lib/filesystem.js
index 923de27..b24304e 100644
--- a/lib/filesystem.js
+++ b/lib/filesystem.js
@@ -867,6 +867,7 @@ function diskLayout(callback) {
                     const serialNum = util.getValue(lines, 'SerialNumber', ':').trim();
                     const name = util.getValue(lines, 'FriendlyName', ':').trim();
                     const size = util.getValue(lines, 'Size', ':').trim();
+                    const interfaceType = util.getValue(lines, 'BusType', ':').trim();
                     let mediaType = util.getValue(lines, 'MediaType', ':').trim();
                     if (mediaType === '3' || mediaType === 'HDD') { mediaType = 'HD'; }
                     if (mediaType === '4') { mediaType = 'SSD'; }
@@ -878,6 +879,7 @@ function diskLayout(callback) {
                       }
                       if (i != -1) {
                         result[i].type = mediaType;
+                        result[i].interfaceType = interfaceType;
                       }
                     }
                   });