diff --git a/dsl/extdeps/gpu/types.dag b/dsl/extdeps/gpu/types.dag
new file mode 100644
index 00000000000..4c7f0a898b0
--- /dev/null
+++ b/dsl/extdeps/gpu/types.dag
@@ -0,0 +1,68 @@
+module extdeps.gpu.types
+
+import std.types { Int, NonEmptyStr, String, List }
+import extdeps.vendor { Vendor }
+import extdeps.hardware { Hardware }
+import extdeps.memory.types { MemoryFacts }
+import extdeps.vendor.nvidia { nvidia }
+import extdeps.vendor.amd { amd }
+
+import extdeps.external_authority { ExternalAuthority }
+import extdeps.uri { Uri, Https }
+
+data extdeps_external_authority_anchor: ExternalAuthority = ExternalAuthority {
+  uri: Uri {
+    scheme: Https
+    locator: "docs.nvidia.com/cuda/cuda-c-programming-guide/index.html#compute-capabilities"
+  }
+}
+
+data gpu_types_compute_fabric_parallel_copy_debt: List<NonEmptyStr> = [
+  "SCAFFOLD: byte-identical GPU vocabulary still declared in product.compute_fabric until the connector PR removes it",
+  "dissolve-on: product.compute_fabric connector PR deletes local GpuRuntime/GpuComputeCapability/GpuCapabilityLabelOutcome/gpu_compute_capability_sm_label/GpuFacts/AcceleratorFacts and imports from extdeps.gpu.types",
+]
+
+type GpuRuntime = Cuda | Rocm | Metal | OpenCl
+
+type GpuComputeCapability {
+  vendor: Vendor<Hardware>
+  major: Int
+  minor: Int
+}
+
+type UnsubstantiatedGpuCapabilityLabel { vendor: Vendor<Hardware> }
+
+type GpuCapabilityLabelOutcome
+  = GpuCapabilityLabelOk { label: String }
+  | GpuCapabilityLabelRejected { reason: UnsubstantiatedGpuCapabilityLabel }
+
+fn gpu_compute_capability_sm_label(cap: GpuComputeCapability) -> GpuCapabilityLabelOutcome {
+  if cap.vendor == nvidia {
+    GpuCapabilityLabelOk {
+      label: concat("sm_", concat(to_string(cap.major), concat("_", to_string(cap.minor))))
+    }
+  } else {
+    if cap.vendor == amd {
+      GpuCapabilityLabelOk {
+        label: concat("gfx", concat(to_string(cap.major), to_string(cap.minor)))
+      }
+    } else {
+      GpuCapabilityLabelRejected {
+        reason: UnsubstantiatedGpuCapabilityLabel { vendor: cap.vendor }
+      }
+    }
+  }
+}
+
+type GpuFacts {
+  vendor: Vendor<Hardware>
+  model: NonEmptyStr
+  compute_capability: GpuComputeCapability?
+  memory: MemoryFacts
+  supported_runtimes: List<GpuRuntime>
+}
+
+type AcceleratorFacts {
+  vendor: Vendor<Hardware>
+  model: NonEmptyStr
+}
diff --git a/dsl/extdeps/memory/types.dag b/dsl/extdeps/memory/types.dag
index 72670f69293..3d9e63c51fc 100644
--- a/dsl/extdeps/memory/types.dag
+++ b/dsl/extdeps/memory/types.dag
@@ -15,6 +15,18 @@ data extdeps_external_authority_anchor: ExternalAuthority = ExternalAuthority {
   }
 }
 
+data memory_types_compute_fabric_parallel_copy_debt: List<NonEmptyStr> = [
+  "SCAFFOLD: byte-identical MemoryKind/MemoryFacts still declared in product.compute_fabric until the connector PR removes them",
+  "dissolve-on: product.compute_fabric connector PR deletes local MemoryKind/MemoryFacts and imports from extdeps.memory.types",
+]
+
+type MemoryKind = Dram | Hbm | UnifiedShared
+
+type MemoryFacts {
+  capacity: ByteSize
+  memory_kind: MemoryKind
+}
+
 type SdramSignalingFamily = | DoubleDataRate
 
 type DramGeneration {
diff --git a/dsl/test/claim/extdeps_round2_grounding_witness_test.dag b/dsl/test/claim/extdeps_round2_grounding_witness_test.dag
index 8ae3d270ef3..4ac47906989 100644
--- a/dsl/test/claim/extdeps_round2_grounding_witness_test.dag
+++ b/dsl/test/claim/extdeps_round2_grounding_witness_test.dag
@@ -47,7 +47,7 @@ import extdeps.cloud.gcp.gcp {
   GcpSts,
   gcp_service_wire_label,
 }
-import product.compute_fabric {
+import extdeps.gpu.types {
   GpuFacts,
   AcceleratorFacts,
   GpuComputeCapability,
@@ -55,6 +55,8 @@ import product.compute_fabric {
   GpuCapabilityLabelRejected,
   UnsubstantiatedGpuCapabilityLabel,
   gpu_compute_capability_sm_label,
+}
+import extdeps.memory.types {
   MemoryFacts,
   MemoryKind,
   Hbm,