diff --git a/discovery/roles/slurm_config/defaults/main.yml b/discovery/roles/slurm_config/defaults/main.yml
index 6429271040..acfe61e401 100644
--- a/discovery/roles/slurm_config/defaults/main.yml
+++ b/discovery/roles/slurm_config/defaults/main.yml
@@ -1,4 +1,4 @@
-# Copyright 2025 Dell Inc. or its subsidiaries. All Rights Reserved.
+# Copyright 2026 Dell Inc. or its subsidiaries. All Rights Reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -19,7 +19,7 @@ slurmctld_service_default_path: '/usr/lib/systemd/system/slurmctld.service'
 slurmd_service_default_path: '/usr/lib/systemd/system/slurmd.service'
 slurmdbd_service_default_path: '/usr/lib/systemd/system/slurmdbd.service'
 sys_env_path: '/etc/environment'
-default_real_memory: 4 # This is the minimum default memory in GiB
+default_real_memory: 4096 # This is the minimum default memory in MiB
 default_threadspercore: 1
 default_corespersocket: 1
 share_prefix: "/"
diff --git a/discovery/roles/slurm_config/tasks/read_node_idrac.yml b/discovery/roles/slurm_config/tasks/read_node_idrac.yml
index 5b8b29f571..8955bc8a03 100644
--- a/discovery/roles/slurm_config/tasks/read_node_idrac.yml
+++ b/discovery/roles/slurm_config/tasks/read_node_idrac.yml
@@ -1,4 +1,4 @@
-#  Copyright 2025 Dell Inc. or its subsidiaries. All Rights Reserved.
+#  Copyright 2026 Dell Inc. or its subsidiaries. All Rights Reserved.
 #
 #  Licensed under the Apache License, Version 2.0 (the "License");
 #  you may not use this file except in compliance with the License.
@@ -44,7 +44,7 @@
 
 - name: Read Memory NodeParams
   ansible.builtin.uri:
-    url: "https://{{ bmc_ip_map[item] }}/redfish/v1/Systems/System.Embedded.1"
+    url: "https://{{ bmc_ip_map[item] }}/redfish/v1/Systems/System.Embedded.1/Memory?$expand=*($levels=1)"
     user: "{{ bmc_username }}"
     password: "{{ bmc_password }}"
     method: GET
@@ -62,13 +62,15 @@
   register: mem_info
   failed_when: false
 
-- name: Calculate total memory in MB (GiB → MB)
+- name: Calculate total memory sum of slots
   ansible.builtin.set_fact:
-    total_memory_mb: "{{ (mem_info.json.MemorySummary.TotalSystemMemoryGiB | default(default_real_memory)) * 1024 | int }}"
+    total_memory_mb: "{{ mem_info.json.Members | default([{'CapacityMiB': default_real_memory}])
+     | map(attribute='CapacityMiB', default=default_real_memory)
+     | map('int', default=default_real_memory) | sum | int }}"
 
-- name: Calculate 90% of real memory
+- name: Calculate percentage of real memory
   ansible.builtin.set_fact:
-    real_memory: "{{ ((total_memory_mb | float) * 0.90) | int }}"
+    real_memory: "{{ ((total_memory_mb | int) * (memory_percentage / 100)) | int | round }}"
 
 - name: Calculate proc facts
   ansible.builtin.set_fact:
diff --git a/discovery/roles/slurm_config/vars/main.yml b/discovery/roles/slurm_config/vars/main.yml
index 2c93ad32cb..a4a9342439 100644
--- a/discovery/roles/slurm_config/vars/main.yml
+++ b/discovery/roles/slurm_config/vars/main.yml
@@ -1,4 +1,4 @@
-# Copyright 2025 Dell Inc. or its subsidiaries. All Rights Reserved.
+# Copyright 2026 Dell Inc. or its subsidiaries. All Rights Reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -103,3 +103,4 @@ auth_tls_certs_path: "/opt/omnia/auth/tls_certs/ldapserver.crt"
 slurm_installation_type: configless
 pulp_webserver_cert_path: "/opt/omnia/pulp/settings/certs/pulp_webserver.crt"
 controller_empty_msg: "Slurm controller functional group is missing from PXE mapping file. Please update the file and rerun discovery.yml."
+memory_percentage: 90