diff --git a/SUPPORT.md b/SUPPORT.md
index 088dda9561..cdf93181cf 100644
--- a/SUPPORT.md
+++ b/SUPPORT.md
@@ -50,9 +50,10 @@ For the Cortex A57 r0p0 - r1p1, see Errata 832075.
 
 ### Physical Memory
 
-    Status: Supported up to 8 TiB
-
-Hosts with more memory are supported, but not security supported.
+    Status, x86: Supported up to 8 TiB. Hosts with more memory are
+                 supported, but not security supported.
+    Status, Arm32: Supported up to 12 GiB
+    Status, Arm64: Supported up to 2 TiB
 
 ### Physical Memory Hotplug