diff --git a/v2/vmsize.go b/v2/vmsize.go
index 49c40ee..0de0ff0 100644
--- a/v2/vmsize.go
+++ b/v2/vmsize.go
@@ -13,7 +13,7 @@ import (
 // fetched using the ResourceSKU API, are not included here. They can be found in sku.go.
 
 var skuSizeScheme = regexp.MustCompile(
-	`^([A-Z])([A-Z]?)([A-Z]?)([0-9]+)-?((?:[0-9]+)?)((?:[abcdeiflmnotspPr]+|C+|NP)?)_?(?:((?:xl_)?[A-Z]+[0-9]+[A-Z]*)_?)?(_cc_)?(_[0-9]+_)?(_MI300X_)?(_H100_)?((?:[vV][1-9])?)?(_Promo)?$`,
+	`^([A-Z])([A-Z]?)([A-Z]?)([0-9]+)-?((?:[0-9]+)?)((?:[abcdeiflmnotspPr]+|C+|NP)?)_?(?:NDR_)?(?:((?:xl_)?[A-Z]+[0-9]+[A-Z]*)_?)?(_cc_)?(_[0-9]+_)?(_MI300X_)?(_H100_)?((?:[vV][1-9])?)?(_Promo)?$`,
 )
 
 // unParsableVMSizes map holds vmSize strings that cannot be easily parsed with skuSizeScheme.
diff --git a/v2/vmsize_test.go b/v2/vmsize_test.go
index 9b60f52..57e45b0 100644
--- a/v2/vmsize_test.go
+++ b/v2/vmsize_test.go
@@ -396,6 +396,23 @@ var testCases = []struct {
 		expectedVM: nil,
 		err:        fmt.Errorf("could not parse VM size inValid"),
 	},
+	{
+		name: "Standard_ND128isr_NDR_GB200_v6",
+		size: "ND128isr_NDR_GB200_v6",
+		expectedVM: &VMSizeType{
+			Family:                      "N",
+			Subfamily:                   to.Ptr("D"),
+			Cpus:                        "128",
+			CpusConstrained:             nil,
+			AdditiveFeatures:            []rune{'i', 's', 'r'},
+			AcceleratorType:             to.Ptr("GB200"),
+			ConfidentialChildCapability: false,
+			Version:                     "v6",
+			PromoVersion:                false,
+			Series:                      "NDisr_v6",
+		},
+		err: nil,
+	},
 }
 
 // Test_GetVMSize tests the GetVMSize() function.
diff --git a/vmsize.go b/vmsize.go
index 129c0f7..4eb9a78 100644
--- a/vmsize.go
+++ b/vmsize.go
@@ -13,7 +13,7 @@ import (
 // fetched using the ResourceSKU API, are not included here. They can be found in sku.go.
 
 var skuSizeScheme = regexp.MustCompile(
-	`^([A-Z])([A-Z]?)([A-Z]?)([0-9]+)-?((?:[0-9]+)?)((?:[abcdeiflmnotspPr]+|C+|NP)?)_?(?:((?:xl_)?[A-Z]+[0-9]+[A-Z]*)_?)?(_cc_)?(_[0-9]+_)?(_MI300X_)?(_H100_)?((?:[vV][1-9])?)?(_Promo)?$`,
+	`^([A-Z])([A-Z]?)([A-Z]?)([0-9]+)-?((?:[0-9]+)?)((?:[abcdeiflmnotspPr]+|C+|NP)?)_?(?:NDR_)?(?:((?:xl_)?[A-Z]+[0-9]+[A-Z]*)_?)?(_cc_)?(_[0-9]+_)?(_MI300X_)?(_H100_)?((?:[vV][1-9])?)?(_Promo)?$`,
 )
 
 // unParsableVMSizes map holds vmSize strings that cannot be easily parsed with skuSizeScheme.
diff --git a/vmsize_test.go b/vmsize_test.go
index fcd3241..a89ee1a 100644
--- a/vmsize_test.go
+++ b/vmsize_test.go
@@ -396,6 +396,23 @@ var testCases = []struct {
 		expectedVM: nil,
 		err:        fmt.Errorf("could not parse VM size inValid"),
 	},
+	{
+		name: "Standard_ND128isr_NDR_GB200_v6",
+		size: "ND128isr_NDR_GB200_v6",
+		expectedVM: &VMSizeType{
+			Family:                      "N",
+			Subfamily:                   to.Ptr("D"),
+			Cpus:                        "128",
+			CpusConstrained:             nil,
+			AdditiveFeatures:            []rune{'i', 's', 'r'},
+			AcceleratorType:             to.Ptr("GB200"),
+			ConfidentialChildCapability: false,
+			Version:                     "v6",
+			PromoVersion:                false,
+			Series:                      "NDisr_v6",
+		},
+		err: nil,
+	},
 }
 
 // Test_GetVMSize tests the GetVMSize() function.