diff --git a/db/fixtures/aws_database_types.yml b/db/fixtures/aws_database_types.yml
index c62c6f25..43128fa9 100644
--- a/db/fixtures/aws_database_types.yml
+++ b/db/fixtures/aws_database_types.yml
@@ -1303,6 +1303,14 @@ db.r6i.12xlarge:
   :name: db.r6i.12xlarge
   :network_performance: :18.75_gbps
   :vcpu: 48
+db.r6i.12xlarge.tpc2.mem2x:
+  :deprecated: false
+  :ebs_optimized: false
+  :family: Memory optimized
+  :memory: 824633720832.0
+  :name: db.r6i.12xlarge.tpc2.mem2x
+  :network_performance: :37.5_gbps
+  :vcpu: 48
 db.r6i.16xlarge:
   :deprecated: false
   :ebs_optimized: false
@@ -1391,6 +1399,14 @@ db.r6i.4xlarge.tpc2.mem4x:
   :name: db.r6i.4xlarge.tpc2.mem4x
   :network_performance: :25_gbps
   :vcpu: 16
+db.r6i.4xlarge.tpc2.mem8x:
+  :deprecated: false
+  :ebs_optimized: false
+  :family: Memory optimized
+  :memory: 1099511627776.0
+  :name: db.r6i.4xlarge.tpc2.mem8x
+  :network_performance: :50_gbps
+  :vcpu: 16
 db.r6i.6xlarge.tpc2.mem4x:
   :deprecated: false
   :ebs_optimized: false
diff --git a/db/fixtures/aws_instance_types.yml b/db/fixtures/aws_instance_types.yml
index 7bd538f1..f98d7e6d 100644
--- a/db/fixtures/aws_instance_types.yml
+++ b/db/fixtures/aws_instance_types.yml
@@ -4677,7 +4677,7 @@ c7i-flex.2xlarge:
   :current_version: true
   :description: C7I-FLEX Double Extra Large
   :ebs_only: true
-  :ebs_optimized_available: false
+  :ebs_optimized_available: true
   :enhanced_networking: true
   :family: Compute optimized
   :instance_store_size: 0
@@ -4691,7 +4691,7 @@ c7i-flex.2xlarge:
   :memory: 17179869184
   :memory_gb: 16.0
   :name: c7i-flex.2xlarge
-  :network_performance: :up_to_12500_megabit
+  :network_performance: :very_high
   :physical_processor: Intel Xeon Scalable (Sapphire Rapids)
   :processor_clock_speed: 3.2 GHz
   :vcpu: 8
@@ -4705,7 +4705,7 @@ c7i-flex.4xlarge:
   :current_version: true
   :description: C7I-FLEX Quadruple Extra Large
   :ebs_only: true
-  :ebs_optimized_available: false
+  :ebs_optimized_available: true
   :enhanced_networking: true
   :family: Compute optimized
   :instance_store_size: 0
@@ -4719,7 +4719,7 @@ c7i-flex.4xlarge:
   :memory: 34359738368
   :memory_gb: 32.0
   :name: c7i-flex.4xlarge
-  :network_performance: :up_to_12500_megabit
+  :network_performance: :very_high
   :physical_processor: Intel Xeon Scalable (Sapphire Rapids)
   :processor_clock_speed: 3.2 GHz
   :vcpu: 16
@@ -4733,7 +4733,7 @@ c7i-flex.8xlarge:
   :current_version: true
   :description: C7I-FLEX Eight Extra Large
   :ebs_only: true
-  :ebs_optimized_available: false
+  :ebs_optimized_available: true
   :enhanced_networking: true
   :family: Compute optimized
   :instance_store_size: 0
@@ -4747,7 +4747,7 @@ c7i-flex.8xlarge:
   :memory: 68719476736
   :memory_gb: 64.0
   :name: c7i-flex.8xlarge
-  :network_performance: :up_to_12500_megabit
+  :network_performance: :very_high
   :physical_processor: Intel Xeon Scalable (Sapphire Rapids)
   :processor_clock_speed: 3.2 GHz
   :vcpu: 32
@@ -4761,7 +4761,7 @@ c7i-flex.large:
   :current_version: true
   :description: C7I-FLEX Large
   :ebs_only: true
-  :ebs_optimized_available: false
+  :ebs_optimized_available: true
   :enhanced_networking: true
   :family: Compute optimized
   :instance_store_size: 0
@@ -4775,7 +4775,7 @@ c7i-flex.large:
   :memory: 4294967296
   :memory_gb: 4.0
   :name: c7i-flex.large
-  :network_performance: :up_to_12500_megabit
+  :network_performance: :very_high
   :physical_processor: Intel Xeon Scalable (Sapphire Rapids)
   :processor_clock_speed: 3.2 GHz
   :vcpu: 2
@@ -4789,7 +4789,7 @@ c7i-flex.xlarge:
   :current_version: true
   :description: C7I-FLEX Extra Large
   :ebs_only: true
-  :ebs_optimized_available: false
+  :ebs_optimized_available: true
   :enhanced_networking: true
   :family: Compute optimized
   :instance_store_size: 0
@@ -4803,7 +4803,7 @@ c7i-flex.xlarge:
   :memory: 8589934592
   :memory_gb: 8.0
   :name: c7i-flex.xlarge
-  :network_performance: :up_to_12500_megabit
+  :network_performance: :very_high
   :physical_processor: Intel Xeon Scalable (Sapphire Rapids)
   :processor_clock_speed: 3.2 GHz
   :vcpu: 4