diff --git a/device/mellanox/x86_64-mlnx_msn3700-r0/ACS-MSN3700/buffers_defaults_t0.j2 b/device/mellanox/x86_64-mlnx_msn3700-r0/ACS-MSN3700/buffers_defaults_t0.j2
index bf3d79aa4e3..674a78db550 100644
--- a/device/mellanox/x86_64-mlnx_msn3700-r0/ACS-MSN3700/buffers_defaults_t0.j2
+++ b/device/mellanox/x86_64-mlnx_msn3700-r0/ACS-MSN3700/buffers_defaults_t0.j2
@@ -1,7 +1,7 @@
 {% set default_cable = '5m' %}
 {% set ingress_lossless_pool_size =  '8224768' %}
 {% set ingress_lossy_pool_size =  '8224768' %}
-{% set egress_lossless_pool_size =  '41943024' %}
+{% set egress_lossless_pool_size =  '38797200' %}
 {% set egress_lossy_pool_size =  '8224768' %}
 
 {%- macro generate_port_lists(PORT_ALL) %}
diff --git a/device/mellanox/x86_64-mlnx_msn3700-r0/ACS-MSN3700/buffers_defaults_t1.j2 b/device/mellanox/x86_64-mlnx_msn3700-r0/ACS-MSN3700/buffers_defaults_t1.j2
index d92c6e12520..2531bd6225a 100644
--- a/device/mellanox/x86_64-mlnx_msn3700-r0/ACS-MSN3700/buffers_defaults_t1.j2
+++ b/device/mellanox/x86_64-mlnx_msn3700-r0/ACS-MSN3700/buffers_defaults_t1.j2
@@ -1,7 +1,7 @@
 {% set default_cable = '5m' %}
 {% set ingress_lossless_pool_size =  '12042240' %}
 {% set ingress_lossy_pool_size =  '12042240' %}
-{% set egress_lossless_pool_size =  '41943024' %}
+{% set egress_lossless_pool_size =  '38797200' %}
 {% set egress_lossy_pool_size =  '12042240' %}
 
 {%- macro generate_port_lists(PORT_ALL) %}