diff --git a/pkg/apis/ceph.rook.io/v1/resources.go b/pkg/apis/ceph.rook.io/v1/resources.go
index daebe4aaf..95baec3c4 100644
--- a/pkg/apis/ceph.rook.io/v1/resources.go
+++ b/pkg/apis/ceph.rook.io/v1/resources.go
@@ -77,6 +77,16 @@ func GetOSDResources(p ResourceSpec, deviceClass string) v1.ResourceRequirements
 	return p[ResourcesKeyOSD]
 }
 
+// GetOSDResourcesForDeviceClass returns the resources for a device class, if specified
+func GetOSDResourcesForDeviceClass(resourceSpec ResourceSpec, deviceClass string) (v1.ResourceRequirements, bool) {
+	// if the device class requests specific resources, return them here
+	if resources, ok := resourceSpec[getOSDResourceKeyForDeviceClass(deviceClass)]; ok {
+		return resources, true
+	}
+	// no resources requested specific to the device class
+	return v1.ResourceRequirements{}, false
+}
+
 // getOSDResourceKeyForDeviceClass returns key name for device class in resources spec
 func getOSDResourceKeyForDeviceClass(deviceClass string) string {
 	return ResourcesKeyOSD + "-" + deviceClass
diff --git a/pkg/operator/ceph/cluster/osd/spec.go b/pkg/operator/ceph/cluster/osd/spec.go
index 2a9cee3e4..10153c6c2 100644
--- a/pkg/operator/ceph/cluster/osd/spec.go
+++ b/pkg/operator/ceph/cluster/osd/spec.go
@@ -354,6 +354,11 @@ func (c *Cluster) makeDeployment(osdProps osdProperties, osd *OSDInfo, provision
 		logger.Infof("The device class for osd %d is changing from %q to %q", osd.ID, osd.DeviceClass, osdProps.storeConfig.DeviceClass)
 		osd.DeviceClass = osdProps.storeConfig.DeviceClass
 	}
+	// Assign the resources specific to this device class
+	if resources, ok := cephv1.GetOSDResourcesForDeviceClass(c.spec.Resources, osd.DeviceClass); ok {
+		logger.Debugf("assigning resources for device class %q to osd %d: %+v", osd.DeviceClass, osd.ID, resources)
+		osdProps.resources = resources
+	}
 
 	dataDir := k8sutil.DataDir
 	// Create volume config for /dev so the pod can access devices on the host
diff --git a/pkg/operator/ceph/cluster/osd/spec_test.go b/pkg/operator/ceph/cluster/osd/spec_test.go
index eea2d9684..275083ba6 100644
--- a/pkg/operator/ceph/cluster/osd/spec_test.go
+++ b/pkg/operator/ceph/cluster/osd/spec_test.go
@@ -636,13 +636,21 @@ func TestHostNetwork(t *testing.T) {
 	spec := cephv1.ClusterSpec{
 		Storage: storageSpec,
 		Network: cephv1.NetworkSpec{HostNetwork: true},
+		Resources: cephv1.ResourceSpec{
+			"osd-myclass": corev1.ResourceRequirements{
+				Limits: corev1.ResourceList{
+					corev1.ResourceMemory: *resource.NewQuantity(2345.0, resource.BinarySI),
+				},
+			},
+		},
 	}
 	c := New(context, clusterInfo, spec, "rook/rook:myversion")
 
 	n := c.spec.Storage.ResolveNode(storageSpec.Nodes[0].Name)
 	osd := &OSDInfo{
-		ID:     0,
-		CVMode: "raw",
+		ID:          0,
+		CVMode:      "raw",
+		DeviceClass: "myclass",
 	}
 
 	osdProp := osdProperties{
@@ -664,6 +672,7 @@ func TestHostNetwork(t *testing.T) {
 	assert.Equal(t, "rook-ceph-osd-0", r.ObjectMeta.Name)
 	assert.Equal(t, true, r.Spec.Template.Spec.HostNetwork)
 	assert.Equal(t, corev1.DNSClusterFirstWithHostNet, r.Spec.Template.Spec.DNSPolicy)
+	assert.Equal(t, "2345", r.Spec.Template.Spec.Containers[0].Resources.Limits.Memory().String())
 }
 
 func TestOsdPrepareResources(t *testing.T) {