diff --git a/src/mscorlib/shared/System/Numerics/Vector.cs b/src/mscorlib/shared/System/Numerics/Vector.cs
index 9fbafbb16873..b9d72c898fa9 100644
--- a/src/mscorlib/shared/System/Numerics/Vector.cs
+++ b/src/mscorlib/shared/System/Numerics/Vector.cs
@@ -390,7 +390,7 @@ public unsafe Vector(T[] values, int index)
             }
             if (index < 0 || (values.Length - index) < Count)
             {
-                throw new IndexOutOfRangeException();
+                throw new IndexOutOfRangeException(SR.Format(SR.Arg_InsufficientNumberOfElements, Vector<T>.Count, nameof(values)));
             }
 
             if (Vector.IsHardwareAccelerated)
@@ -771,7 +771,6 @@ private Vector(ref Register existingRegister)
         /// <summary>
         /// Constructs a vector from the given span. The span must contain at least Vector'T.Count elements.
         /// </summary>
-        [Intrinsic]
         public unsafe Vector(Span<T> values)
             : this()
         {
diff --git a/src/mscorlib/shared/System/Numerics/Vector.tt b/src/mscorlib/shared/System/Numerics/Vector.tt
index 4a3a5b24ab0f..1f3798fbc194 100644
--- a/src/mscorlib/shared/System/Numerics/Vector.tt
+++ b/src/mscorlib/shared/System/Numerics/Vector.tt
@@ -202,7 +202,7 @@ namespace System.Numerics
             }
             if (index < 0 || (values.Length - index) < Count)
             {
-                throw new IndexOutOfRangeException();
+                throw new IndexOutOfRangeException(SR.Format(SR.Arg_InsufficientNumberOfElements, Vector<T>.Count, nameof(values)));
             }
 
             if (Vector.IsHardwareAccelerated)
@@ -291,7 +291,6 @@ namespace System.Numerics
         /// <summary>
         /// Constructs a vector from the given span. The span must contain at least Vector'T.Count elements.
         /// </summary>
-        [Intrinsic]
         public unsafe Vector(Span<T> values)
             : this()
         {