diff --git a/device/arista/x86_64-arista_7060_cx32s/Arista-7060CX-32S-C32/buffers_defaults_t0.j2 b/device/arista/x86_64-arista_7060_cx32s/Arista-7060CX-32S-C32/buffers_defaults_t0.j2
index cb74cb75281b..0869e63968ac 100644
--- a/device/arista/x86_64-arista_7060_cx32s/Arista-7060CX-32S-C32/buffers_defaults_t0.j2
+++ b/device/arista/x86_64-arista_7060_cx32s/Arista-7060CX-32S-C32/buffers_defaults_t0.j2
@@ -36,7 +36,7 @@
         "egress_lossless_profile": {
             "pool":"[BUFFER_POOL|egress_lossless_pool]",
             "size":"1518",
-            "static_th":"3995680"
+            "static_th":"15982720"
         },
         "egress_lossy_profile": {
             "pool":"[BUFFER_POOL|egress_lossy_pool]",
diff --git a/device/arista/x86_64-arista_7060_cx32s/Arista-7060CX-32S-C32/buffers_defaults_t1.j2 b/device/arista/x86_64-arista_7060_cx32s/Arista-7060CX-32S-C32/buffers_defaults_t1.j2
index 0699433bffb4..80e96bdceca7 100644
--- a/device/arista/x86_64-arista_7060_cx32s/Arista-7060CX-32S-C32/buffers_defaults_t1.j2
+++ b/device/arista/x86_64-arista_7060_cx32s/Arista-7060CX-32S-C32/buffers_defaults_t1.j2
@@ -36,7 +36,7 @@
         "egress_lossless_profile": {
             "pool":"[BUFFER_POOL|egress_lossless_pool]",
             "size":"1518",
-            "static_th":"3995680"
+            "static_th":"15982720"
         },
         "egress_lossy_profile": {
             "pool":"[BUFFER_POOL|egress_lossy_pool]",
diff --git a/device/arista/x86_64-arista_7060_cx32s/Arista-7060CX-32S-D48C8/buffers_defaults_t0.j2 b/device/arista/x86_64-arista_7060_cx32s/Arista-7060CX-32S-D48C8/buffers_defaults_t0.j2
index 5d6e0cd61a7e..5add8968e621 100644
--- a/device/arista/x86_64-arista_7060_cx32s/Arista-7060CX-32S-D48C8/buffers_defaults_t0.j2
+++ b/device/arista/x86_64-arista_7060_cx32s/Arista-7060CX-32S-D48C8/buffers_defaults_t0.j2
@@ -50,7 +50,7 @@
         "egress_lossless_profile": {
             "pool":"[BUFFER_POOL|egress_lossless_pool]",
             "size":"1518",
-            "static_th":"3995680"
+            "static_th":"15982720"
         },
         "egress_lossy_profile": {
             "pool":"[BUFFER_POOL|egress_lossy_pool]",
diff --git a/device/arista/x86_64-arista_7060_cx32s/Arista-7060CX-32S-Q24C8/buffers_defaults_t0.j2 b/device/arista/x86_64-arista_7060_cx32s/Arista-7060CX-32S-Q24C8/buffers_defaults_t0.j2
index 7463e20afabe..c0fa1ff0864e 100644
--- a/device/arista/x86_64-arista_7060_cx32s/Arista-7060CX-32S-Q24C8/buffers_defaults_t0.j2
+++ b/device/arista/x86_64-arista_7060_cx32s/Arista-7060CX-32S-Q24C8/buffers_defaults_t0.j2
@@ -50,7 +50,7 @@
         "egress_lossless_profile": {
             "pool":"[BUFFER_POOL|egress_lossless_pool]",
             "size":"1518",
-            "static_th":"3995680"
+            "static_th":"15982720"
         },
         "egress_lossy_profile": {
             "pool":"[BUFFER_POOL|egress_lossy_pool]",
diff --git a/device/arista/x86_64-arista_7060_cx32s/Arista-7060CX-32S-Q32/buffers_defaults_t0.j2 b/device/arista/x86_64-arista_7060_cx32s/Arista-7060CX-32S-Q32/buffers_defaults_t0.j2
index cb74cb75281b..0869e63968ac 100644
--- a/device/arista/x86_64-arista_7060_cx32s/Arista-7060CX-32S-Q32/buffers_defaults_t0.j2
+++ b/device/arista/x86_64-arista_7060_cx32s/Arista-7060CX-32S-Q32/buffers_defaults_t0.j2
@@ -36,7 +36,7 @@
         "egress_lossless_profile": {
             "pool":"[BUFFER_POOL|egress_lossless_pool]",
             "size":"1518",
-            "static_th":"3995680"
+            "static_th":"15982720"
         },
         "egress_lossy_profile": {
             "pool":"[BUFFER_POOL|egress_lossy_pool]",
diff --git a/device/arista/x86_64-arista_7060_cx32s/Arista-7060CX-32S-Q32/buffers_defaults_t1.j2 b/device/arista/x86_64-arista_7060_cx32s/Arista-7060CX-32S-Q32/buffers_defaults_t1.j2
index 0699433bffb4..80e96bdceca7 100644
--- a/device/arista/x86_64-arista_7060_cx32s/Arista-7060CX-32S-Q32/buffers_defaults_t1.j2
+++ b/device/arista/x86_64-arista_7060_cx32s/Arista-7060CX-32S-Q32/buffers_defaults_t1.j2
@@ -36,7 +36,7 @@
         "egress_lossless_profile": {
             "pool":"[BUFFER_POOL|egress_lossless_pool]",
             "size":"1518",
-            "static_th":"3995680"
+            "static_th":"15982720"
         },
         "egress_lossy_profile": {
             "pool":"[BUFFER_POOL|egress_lossy_pool]",
diff --git a/device/arista/x86_64-arista_7170_64c/Arista-7170-64C/buffers_defaults_t0.j2 b/device/arista/x86_64-arista_7170_64c/Arista-7170-64C/buffers_defaults_t0.j2
index 62a6bac1c25f..3442612f70b2 100644
--- a/device/arista/x86_64-arista_7170_64c/Arista-7170-64C/buffers_defaults_t0.j2
+++ b/device/arista/x86_64-arista_7170_64c/Arista-7170-64C/buffers_defaults_t0.j2
@@ -30,12 +30,12 @@
         "ingress_lossy_profile": {
             "pool":"[BUFFER_POOL|ingress_lossless_pool]",
             "size":"0",
-            "static_th":"11075584"
+            "static_th":"44302336"
         },
         "egress_lossless_profile": {
             "pool":"[BUFFER_POOL|egress_lossless_pool]",
             "size":"0",
-            "static_th":"10587408"
+            "static_th":"42349632"
         },
         "egress_lossy_profile": {
             "pool":"[BUFFER_POOL|egress_lossy_pool]",
diff --git a/device/arista/x86_64-arista_7170_64c/Arista-7170-Q59S20/buffers_defaults_t0.j2 b/device/arista/x86_64-arista_7170_64c/Arista-7170-Q59S20/buffers_defaults_t0.j2
index 8ca15c1b0391..fabdac2df879 100644
--- a/device/arista/x86_64-arista_7170_64c/Arista-7170-Q59S20/buffers_defaults_t0.j2
+++ b/device/arista/x86_64-arista_7170_64c/Arista-7170-Q59S20/buffers_defaults_t0.j2
@@ -42,12 +42,12 @@
         "ingress_lossy_profile": {
             "pool":"[BUFFER_POOL|ingress_lossless_pool]",
             "size":"0",
-            "static_th":"11075584"
+            "static_th":"44302336"
         },
         "egress_lossless_profile": {
             "pool":"[BUFFER_POOL|egress_lossless_pool]",
             "size":"0",
-            "static_th":"10587408"
+            "static_th":"42349632"
         },
         "egress_lossy_profile": {
             "pool":"[BUFFER_POOL|egress_lossy_pool]",
diff --git a/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-D108C8/buffers_defaults_t0.j2 b/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-D108C8/buffers_defaults_t0.j2
index a5951e156b26..74579a022dcb 100644
--- a/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-D108C8/buffers_defaults_t0.j2
+++ b/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-D108C8/buffers_defaults_t0.j2
@@ -38,12 +38,12 @@
         "ingress_lossy_profile": {
             "pool":"[BUFFER_POOL|ingress_lossless_pool]",
             "size":"0",
-            "static_th":"11075584"
+            "static_th":"44302336"
         },
         "egress_lossless_profile": {
             "pool":"[BUFFER_POOL|egress_lossless_pool]",
             "size":"0",
-            "static_th":"10587408"
+            "static_th":"42349632"
         },
         "egress_lossy_profile": {
             "pool":"[BUFFER_POOL|egress_lossy_pool]",
diff --git a/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-Q64/buffers_defaults_t0.j2 b/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-Q64/buffers_defaults_t0.j2
index 62a6bac1c25f..3442612f70b2 100644
--- a/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-Q64/buffers_defaults_t0.j2
+++ b/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-Q64/buffers_defaults_t0.j2
@@ -30,12 +30,12 @@
         "ingress_lossy_profile": {
             "pool":"[BUFFER_POOL|ingress_lossless_pool]",
             "size":"0",
-            "static_th":"11075584"
+            "static_th":"44302336"
         },
         "egress_lossless_profile": {
             "pool":"[BUFFER_POOL|egress_lossless_pool]",
             "size":"0",
-            "static_th":"10587408"
+            "static_th":"42349632"
         },
         "egress_lossy_profile": {
             "pool":"[BUFFER_POOL|egress_lossy_pool]",
diff --git a/device/celestica/x86_64-cel_seastone-r0/Celestica-DX010-C32/buffers_defaults_t0.j2 b/device/celestica/x86_64-cel_seastone-r0/Celestica-DX010-C32/buffers_defaults_t0.j2
index 43b7d7e31a9c..4dd6bd96ad96 100644
--- a/device/celestica/x86_64-cel_seastone-r0/Celestica-DX010-C32/buffers_defaults_t0.j2
+++ b/device/celestica/x86_64-cel_seastone-r0/Celestica-DX010-C32/buffers_defaults_t0.j2
@@ -43,7 +43,7 @@
         "egress_lossless_profile": {
             "pool":"[BUFFER_POOL|egress_lossless_pool]",
             "size":"1518",
-            "static_th":"3995680"
+            "static_th":"15982720"
         },
         "egress_lossy_profile": {
             "pool":"[BUFFER_POOL|egress_lossy_pool]",
diff --git a/device/celestica/x86_64-cel_seastone-r0/Celestica-DX010-C32/buffers_defaults_t1.j2 b/device/celestica/x86_64-cel_seastone-r0/Celestica-DX010-C32/buffers_defaults_t1.j2
index 6ec383c77081..3c93fb8fe2e3 100644
--- a/device/celestica/x86_64-cel_seastone-r0/Celestica-DX010-C32/buffers_defaults_t1.j2
+++ b/device/celestica/x86_64-cel_seastone-r0/Celestica-DX010-C32/buffers_defaults_t1.j2
@@ -43,7 +43,7 @@
         "egress_lossless_profile": {
             "pool":"[BUFFER_POOL|egress_lossless_pool]",
             "size":"1518",
-            "static_th":"3995680"
+            "static_th":"15982720"
         },
         "egress_lossy_profile": {
             "pool":"[BUFFER_POOL|egress_lossy_pool]",
diff --git a/device/celestica/x86_64-cel_seastone-r0/Celestica-DX010-D48C8/buffers_defaults_t0.j2 b/device/celestica/x86_64-cel_seastone-r0/Celestica-DX010-D48C8/buffers_defaults_t0.j2
index 766de07b4945..4e4489f84a87 100644
--- a/device/celestica/x86_64-cel_seastone-r0/Celestica-DX010-D48C8/buffers_defaults_t0.j2
+++ b/device/celestica/x86_64-cel_seastone-r0/Celestica-DX010-D48C8/buffers_defaults_t0.j2
@@ -58,7 +58,7 @@
         "egress_lossless_profile": {
             "pool":"[BUFFER_POOL|egress_lossless_pool]",
             "size":"1518",
-            "static_th":"3995680"
+            "static_th":"15982720"
         },
         "egress_lossy_profile": {
             "pool":"[BUFFER_POOL|egress_lossy_pool]",
diff --git a/device/dell/x86_64-dell_s6100_c2538-r0/Force10-S6100/buffers_defaults_t0.j2 b/device/dell/x86_64-dell_s6100_c2538-r0/Force10-S6100/buffers_defaults_t0.j2
index f949a31eab7b..8f55022973fb 100644
--- a/device/dell/x86_64-dell_s6100_c2538-r0/Force10-S6100/buffers_defaults_t0.j2
+++ b/device/dell/x86_64-dell_s6100_c2538-r0/Force10-S6100/buffers_defaults_t0.j2
@@ -36,7 +36,7 @@
         "egress_lossless_profile": {
             "pool":"[BUFFER_POOL|egress_lossless_pool]",
             "size":"1518",
-            "static_th":"3995680"
+            "static_th":"15982720"
         },
         "egress_lossy_profile": {
             "pool":"[BUFFER_POOL|egress_lossy_pool]",
diff --git a/device/dell/x86_64-dell_s6100_c2538-r0/Force10-S6100/buffers_defaults_t1.j2 b/device/dell/x86_64-dell_s6100_c2538-r0/Force10-S6100/buffers_defaults_t1.j2
index e56bbb65845f..47a9c81f0796 100644
--- a/device/dell/x86_64-dell_s6100_c2538-r0/Force10-S6100/buffers_defaults_t1.j2
+++ b/device/dell/x86_64-dell_s6100_c2538-r0/Force10-S6100/buffers_defaults_t1.j2
@@ -36,7 +36,7 @@
         "egress_lossless_profile": {
             "pool":"[BUFFER_POOL|egress_lossless_pool]",
             "size":"1518",
-            "static_th":"3995680"
+            "static_th":"15982720"
         },
         "egress_lossy_profile": {
             "pool":"[BUFFER_POOL|egress_lossy_pool]",
diff --git a/device/dell/x86_64-dell_z9100_c2538-r0/Force10-Z9100-C32/buffers_defaults_t1.j2 b/device/dell/x86_64-dell_z9100_c2538-r0/Force10-Z9100-C32/buffers_defaults_t1.j2
index e127362c091a..fa78303b2468 100644
--- a/device/dell/x86_64-dell_z9100_c2538-r0/Force10-Z9100-C32/buffers_defaults_t1.j2
+++ b/device/dell/x86_64-dell_z9100_c2538-r0/Force10-Z9100-C32/buffers_defaults_t1.j2
@@ -36,7 +36,7 @@
         "egress_lossless_profile": {
             "pool":"[BUFFER_POOL|egress_lossless_pool]",
             "size":"1518",
-            "static_th":"3995680"
+            "static_th":"15982720"
         },
         "egress_lossy_profile": {
             "pool":"[BUFFER_POOL|egress_lossy_pool]",
diff --git a/device/dell/x86_64-dell_z9100_c2538-r0/Force10-Z9100-C8D48/buffers_defaults_t0.j2 b/device/dell/x86_64-dell_z9100_c2538-r0/Force10-Z9100-C8D48/buffers_defaults_t0.j2
index f200b85b2027..fa5b0fc5a52b 100644
--- a/device/dell/x86_64-dell_z9100_c2538-r0/Force10-Z9100-C8D48/buffers_defaults_t0.j2
+++ b/device/dell/x86_64-dell_z9100_c2538-r0/Force10-Z9100-C8D48/buffers_defaults_t0.j2
@@ -50,7 +50,7 @@
         "egress_lossless_profile": {
             "pool":"[BUFFER_POOL|egress_lossless_pool]",
             "size":"1518",
-            "static_th":"3995680"
+            "static_th":"15982720"
         },
         "egress_lossy_profile": {
             "pool":"[BUFFER_POOL|egress_lossy_pool]",
diff --git a/platform/broadcom/sai.mk b/platform/broadcom/sai.mk
index 28fdf57577c9..d29e0907796d 100644
--- a/platform/broadcom/sai.mk
+++ b/platform/broadcom/sai.mk
@@ -1,9 +1,9 @@
-BRCM_SAI = libsaibcm_3.5.2.3_amd64.deb
-$(BRCM_SAI)_URL = "https://sonicstorage.blob.core.windows.net/packages/bcmsai/3.5/libsaibcm_3.5.2.3_amd64.deb?sv=2015-04-05&sr=b&sig=anY6TeLouYsw7L6hfpH%2BTHOkvF8M3WR%2B6P2C7Dh8sHg%3D&se=2033-02-20T17%3A19%3A46Z&sp=r"
+BRCM_SAI = libsaibcm_3.5.3.1-15_amd64.deb
+$(BRCM_SAI)_URL = "https://sonicstorage.blob.core.windows.net/packages/bcmsai/3.5/libsaibcm_3.5.3.1-15_amd64.deb?sv=2015-04-05&sr=b&sig=zXY%2FK%2FeGlxteIFlEkPdE%2FNDRet5T%2Fc1LgL0qyX9%2FmfQ%3D&se=2033-06-03T17%3A45%3A51Z&sp=r"
 
-BRCM_SAI_DEV = libsaibcm-dev_3.5.2.3_amd64.deb
+BRCM_SAI_DEV = libsaibcm-dev_3.5.3.1-15_amd64.deb
 $(eval $(call add_derived_package,$(BRCM_SAI),$(BRCM_SAI_DEV)))
-$(BRCM_SAI_DEV)_URL = "https://sonicstorage.blob.core.windows.net/packages/bcmsai/3.5/libsaibcm-dev_3.5.2.3_amd64.deb?sv=2015-04-05&sr=b&sig=o%2BVIKwVnlNv8LAvVzcS2kIXc0%2BIKaTzmA8LIkIfsh6c%3D&se=2033-02-20T17%3A20%3A03Z&sp=r"
+$(BRCM_SAI_DEV)_URL = "https://sonicstorage.blob.core.windows.net/packages/bcmsai/3.5/libsaibcm-dev_3.5.3.1-15_amd64.deb?sv=2015-04-05&sr=b&sig=%2BYOVgRo6dLxv3sLb8JE1wLoD%2FneYDABadwFv5xH3XRE%3D&se=2033-06-03T17%3A46%3A14Z&sp=r"
 
 SONIC_ONLINE_DEBS += $(BRCM_SAI)
 $(BRCM_SAI_DEV)_DEPENDS += $(BRCM_SAI)
diff --git a/src/sonic-config-engine/tests/sample_output/buffers-dell6100.json b/src/sonic-config-engine/tests/sample_output/buffers-dell6100.json
index 0b6c8cbe19a3..ce157b442614 100644
--- a/src/sonic-config-engine/tests/sample_output/buffers-dell6100.json
+++ b/src/sonic-config-engine/tests/sample_output/buffers-dell6100.json
@@ -96,7 +96,7 @@
         "egress_lossless_profile": {
             "pool":"[BUFFER_POOL|egress_lossless_pool]",
             "size":"1518",
-            "static_th":"3995680"
+            "static_th":"15982720"
         },
         "egress_lossy_profile": {
             "pool":"[BUFFER_POOL|egress_lossy_pool]",