diff --git a/source/s3_platform_info.c b/source/s3_platform_info.c
index fd0694ec..9609fc1f 100644
--- a/source/s3_platform_info.c
+++ b/source/s3_platform_info.c
@@ -17,14 +17,14 @@
 /**** Configuration info for the c5n.18xlarge *****/
 static struct aws_s3_platform_info s_c5n_18xlarge_platform_info = {
     .instance_type = AWS_BYTE_CUR_INIT_FROM_STRING_LITERAL("c5n.18xlarge"),
-    .max_throughput_gbps = 100u,
+    .max_throughput_gbps = 100,
     /** not yet **/
     .has_recommended_configuration = false,
 };
 
 static struct aws_s3_platform_info s_c5n_metal_platform_info = {
     .instance_type = AWS_BYTE_CUR_INIT_FROM_STRING_LITERAL("c5n.metal"),
-    .max_throughput_gbps = 100u,
+    .max_throughput_gbps = 100,
     /** not yet **/
     .has_recommended_configuration = false,
 };
@@ -34,7 +34,7 @@ static struct aws_s3_platform_info s_c5n_metal_platform_info = {
 /****** Begin c5n.large ******/
 static struct aws_s3_platform_info s_c5n_9xlarge_platform_info = {
     .instance_type = AWS_BYTE_CUR_INIT_FROM_STRING_LITERAL("c5n.9xlarge"),
-    .max_throughput_gbps = 50u,
+    .max_throughput_gbps = 50,
     /** not yet **/
     .has_recommended_configuration = false,
 };
@@ -44,19 +44,19 @@ static struct aws_s3_platform_info s_c5n_9xlarge_platform_info = {
 /***** Begin p4d.24xlarge and p4de.24xlarge ****/
 static struct aws_s3_platform_info s_p4d_platform_info = {
     .instance_type = AWS_BYTE_CUR_INIT_FROM_STRING_LITERAL("p4d.24xlarge"),
-    .max_throughput_gbps = 400u,
+    .max_throughput_gbps = 400,
     .has_recommended_configuration = true,
 };
 
 static struct aws_s3_platform_info s_p4de_platform_info = {
     .instance_type = AWS_BYTE_CUR_INIT_FROM_STRING_LITERAL("p4de.24xlarge"),
-    .max_throughput_gbps = 400u,
+    .max_throughput_gbps = 400,
     .has_recommended_configuration = true,
 };
 
 /***** End p4d.24xlarge and p4de.24xlarge ****/
 
-/***** Begin p5.48xlarge ******/
+/***** Begin p5.48xlarge, p5e.48xlarge, and p5en.48xlarge  ******/
 
 /* note: the p5 is a stunningly massive instance type.
  * While the specs have 3.2 TB/s for the network bandwidth
@@ -68,12 +68,41 @@ static struct aws_s3_platform_info s_p4de_platform_info = {
  * to the p4d. The rest is for other things on the machine to use. */
 struct aws_s3_platform_info s_p5_platform_info = {
     .instance_type = AWS_BYTE_CUR_INIT_FROM_STRING_LITERAL("p5.48xlarge"),
-    .max_throughput_gbps = 400U,
+    .max_throughput_gbps = 400,
     .has_recommended_configuration = true,
 };
-/***** End p5.48xlarge *****/
 
-/**** Begin trn1_32_large *****/
+struct aws_s3_platform_info s_p5e_platform_info = {
+    .instance_type = AWS_BYTE_CUR_INIT_FROM_STRING_LITERAL("p5e.48xlarge"),
+    .max_throughput_gbps = 400,
+    .has_recommended_configuration = true,
+};
+
+struct aws_s3_platform_info s_p5en_platform_info = {
+    .instance_type = AWS_BYTE_CUR_INIT_FROM_STRING_LITERAL("p5en.48xlarge"),
+    .max_throughput_gbps = 400,
+    .has_recommended_configuration = true,
+};
+/***** End p5.48xlarge, p5e.48xlarge, and p5en.48xlarge  ******/
+
+/**** Begin trn2.48xlarge and trn2u.48xlarge *****/
+/*
+ * Similar to P5 comment above, we will not be able to get the advertised 3.2TB/s bandwidth from CPU.
+ */
+static struct aws_s3_platform_info s_trn2_platform_info = {
+    .instance_type = AWS_BYTE_CUR_INIT_FROM_STRING_LITERAL("trn2.48xlarge"),
+    .max_throughput_gbps = 400,
+    .has_recommended_configuration = true,
+};
+
+static struct aws_s3_platform_info s_trn2u_platform_info = {
+    .instance_type = AWS_BYTE_CUR_INIT_FROM_STRING_LITERAL("trn2u.48xlarge"),
+    .max_throughput_gbps = 400,
+    .has_recommended_configuration = true,
+};
+/**** End trn2.48xlarge and trn2u.48xlarge *****/
+
+/**** Begin trn1.32xlarge and trn1n.32xlarge *****/
 static struct aws_s3_platform_info s_trn1_n_platform_info = {
     .instance_type = AWS_BYTE_CUR_INIT_FROM_STRING_LITERAL("trn1n.32xlarge"),
     /* not all of the advertised 1600 Gbps bandwidth can be hit from the cpu in user-space */
@@ -87,8 +116,7 @@ static struct aws_s3_platform_info s_trn1_platform_info = {
     .max_throughput_gbps = 600,
     .has_recommended_configuration = true,
 };
-
-/**** End trn1.x32_large ******/
+/**** End trn1.32xlarge and trn1n.32xlarge *****/
 
 struct aws_s3_platform_info_loader {
     struct aws_allocator *allocator;
@@ -186,6 +214,10 @@ struct aws_s3_platform_info_loader *aws_s3_platform_info_loader_new(struct aws_a
     s_add_platform_info_to_table(loader, &s_p4d_platform_info);
     s_add_platform_info_to_table(loader, &s_p4de_platform_info);
     s_add_platform_info_to_table(loader, &s_p5_platform_info);
+    s_add_platform_info_to_table(loader, &s_p5e_platform_info);
+    s_add_platform_info_to_table(loader, &s_p5en_platform_info);
+    s_add_platform_info_to_table(loader, &s_trn2_platform_info);
+    s_add_platform_info_to_table(loader, &s_trn2u_platform_info);
     s_add_platform_info_to_table(loader, &s_trn1_n_platform_info);
     s_add_platform_info_to_table(loader, &s_trn1_platform_info);