diff --git a/terraform/devnet-9/digitalocean.tf b/terraform/devnet-9/digitalocean.tf
index 6ac665f..654d7ae 100644
--- a/terraform/devnet-9/digitalocean.tf
+++ b/terraform/devnet-9/digitalocean.tf
@@ -222,6 +222,15 @@ locals {
               (node.count > 0 ? (node.validator_end - node.validator_start) / node.count >= 128 : false)
             )
 
+            # Size: explicit > supernode-based default
+            size = (
+              node.size != null ? node.size :
+              (node.supernode != null ? node.supernode :
+                can(regex("(bootnode|mev)", node.name)) ? true :
+                (node.count > 0 ? (node.validator_end - node.validator_start) / node.count >= 128 : false)
+              ) ? var.digitalocean_supernode_size : var.digitalocean_fullnode_size
+            )
+
             region = node.region != null ? node.region : lookup(
               var.digitalocean_region_overrides,
               "${node.name}-${node.start_index + i + 1}",
@@ -258,7 +267,7 @@ locals {
         ssh_keys    = [data.digitalocean_ssh_key.main.fingerprint]
         region      = vm.region
         image       = local.digitalocean_default_image
-        size        = vm.supernode ? var.digitalocean_supernode_size : var.digitalocean_fullnode_size
+        size        = vm.size
         resize_disk = true
         monitoring  = true
         backups     = false
diff --git a/terraform/devnet-9/nodes.tf b/terraform/devnet-9/nodes.tf
index bd77450..a2645a3 100644
--- a/terraform/devnet-9/nodes.tf
+++ b/terraform/devnet-9/nodes.tf
@@ -24,10 +24,10 @@ variable "nodes" {
   default = [
     { name = "bootnode", count = 4, cloud = "digitalocean" },
     # Buildoor
-    { name = "buildoor-prysm-ethrex", count = 1, cloud = "digitalocean", builder_start = 0 },
-    { name = "buildoor-lighthouse-geth", count = 1, cloud = "digitalocean", builder_start = 1 },
-    { name = "buildoor-lodestar-ethrex", count = 1, cloud = "digitalocean", builder_start = 2 },
-    { name = "buildoor-teku-nethermind", count = 1, cloud = "digitalocean", builder_start = 3 },
+    { name = "buildoor-prysm-ethrex", count = 1, cloud = "digitalocean", builder_start = 0, size = "s-8vcpu-32gb-640gb-intel" },
+    { name = "buildoor-lighthouse-geth", count = 1, cloud = "digitalocean", builder_start = 1, size = "s-8vcpu-32gb-640gb-intel" },
+    { name = "buildoor-lodestar-ethrex", count = 1, cloud = "digitalocean", builder_start = 2, size = "s-8vcpu-32gb-640gb-intel" },
+    { name = "buildoor-teku-nethermind", count = 1, cloud = "digitalocean", builder_start = 3, size = "s-8vcpu-32gb-640gb-intel" },
 
     # 1000-node stress test approximating mainnet client distribution (Aug 2026).
     # CL weights: lighthouse 43%, prysm 31%, teku 14%, nimbus 8%, lodestar 3%, grandine 1%.