diff --git a/audit/internal/collector/raid.go b/audit/internal/collector/raid.go
index e605e7f..4f95e0a 100644
--- a/audit/internal/collector/raid.go
+++ b/audit/internal/collector/raid.go
@@ -41,6 +41,9 @@ func collectRAIDStorage(pcie []schema.HardwarePCIeDevice) []schema.HardwareStora
 		if drives := collectStorcliDrives(); len(drives) > 0 {
 			out = append(out, drives...)
 		}
+		if drives := collectStorcli2Drives(); len(drives) > 0 {
+			out = append(out, drives...)
+		}
 		if drives := collectSASIrcuDrives("sas3ircu"); len(drives) > 0 {
 			out = append(out, drives...)
 		}
@@ -99,6 +102,63 @@ func collectStorcliDrives() []schema.HardwareStorage {
 	return drives
 }
 
+// collectStorcli2Drives covers Broadcom Tri-Mode controllers (e.g.
+// SAS3808-iMR/9500 series), which storcli64 can enumerate at a basic level
+// but whose drives it never finds — a separate tool/JSON schema (storcli2)
+// is required. storcli2's "Drive Information" array shape matches storcli64's
+// (confirmed against Broadcom's published drive-info-schema.json), so
+// parseStorcliDrivesJSON is reused as-is; only the controller enumeration
+// and per-controller invocation syntax differ (storcli2 wants an explicit
+// /cN target rather than storcli64's /call wildcard).
+func collectStorcli2Drives() []schema.HardwareStorage {
+	sysOut, err := raidToolQuery("storcli2", "show", "all", "J")
+	if err != nil {
+		slog.Info("raid: storcli2 unavailable", "err", err)
+		return nil
+	}
+	indices := parseStorcli2ControllerIndices(sysOut)
+	if len(indices) == 0 {
+		return nil
+	}
+
+	var drives []schema.HardwareStorage
+	for _, idx := range indices {
+		out, err := raidToolQuery("storcli2", "/c"+strconv.Itoa(idx)+"/eall/sall", "show", "all", "J")
+		if err != nil {
+			continue
+		}
+		drives = append(drives, parseStorcliDrivesJSON(out)...)
+	}
+	if len(drives) == 0 {
+		slog.Info("raid: storcli2 returned no drives")
+	}
+	return drives
+}
+
+// parseStorcli2ControllerIndices parses "storcli2 show all J" (Broadcom's
+// system-schema.json: Controllers[0].Response Data.System Overview[].Ctrl).
+func parseStorcli2ControllerIndices(raw []byte) []int {
+	var doc struct {
+		Controllers []struct {
+			ResponseData struct {
+				SystemOverview []struct {
+					Ctrl int `json:"Ctrl"`
+				} `json:"System Overview"`
+			} `json:"Response Data"`
+		} `json:"Controllers"`
+	}
+	if err := json.Unmarshal(raw, &doc); err != nil {
+		return nil
+	}
+	var indices []int
+	for _, c := range doc.Controllers {
+		for _, ov := range c.ResponseData.SystemOverview {
+			indices = append(indices, ov.Ctrl)
+		}
+	}
+	return indices
+}
+
 func collectSASIrcuDrives(tool string) []schema.HardwareStorage {
 	out, err := raidToolQuery(tool, "list")
 	if err != nil {
diff --git a/audit/internal/collector/raid_storcli2_test.go b/audit/internal/collector/raid_storcli2_test.go
new file mode 100644
index 0000000..4e2132b
--- /dev/null
+++ b/audit/internal/collector/raid_storcli2_test.go
@@ -0,0 +1,75 @@
+package collector
+
+import "testing"
+
+// Fixture shape matches Broadcom's published storcli2 system-schema.json
+// ("show all" -> Controllers[0].Response Data.System Overview[].Ctrl).
+func TestParseStorcli2ControllerIndices(t *testing.T) {
+	raw := []byte(`{
+		"Controllers": [
+			{
+				"Command Status": {"Status": "Success"},
+				"Response Data": {
+					"Number of Controllers": 2,
+					"System Overview": [
+						{"Ctrl": 0, "Product Name": "SAS3808-iMR", "Personality": "RAID", "Status": "Optimal", "PD(s)": 2, "VD(s)": 0},
+						{"Ctrl": 1, "Product Name": "SAS3808-iMR", "Personality": "RAID", "Status": "Optimal", "PD(s)": 4, "VD(s)": 1}
+					]
+				}
+			}
+		]
+	}`)
+
+	got := parseStorcli2ControllerIndices(raw)
+	if len(got) != 2 || got[0] != 0 || got[1] != 1 {
+		t.Fatalf("indices=%v want [0 1]", got)
+	}
+}
+
+func TestParseStorcli2ControllerIndicesEmptyOrMalformed(t *testing.T) {
+	if got := parseStorcli2ControllerIndices([]byte("not json")); got != nil {
+		t.Fatalf("malformed input should return nil, got %v", got)
+	}
+	if got := parseStorcli2ControllerIndices([]byte(`{"Controllers":[]}`)); got != nil {
+		t.Fatalf("no controllers should return nil, got %v", got)
+	}
+}
+
+// TestCollectStorcli2DrivesEndToEnd exercises the full path this bug fix
+// targets: storcli64 sees the Tri-Mode controller but no drives (real
+// support-bundle behavior for SAS3808-iMR), storcli2 is the tool that
+// actually finds them.
+func TestCollectStorcli2DrivesEndToEnd(t *testing.T) {
+	orig := raidToolQuery
+	t.Cleanup(func() { raidToolQuery = orig })
+	raidToolQuery = func(name string, args ...string) ([]byte, error) {
+		switch name {
+		case "storcli2":
+			if len(args) > 0 && args[0] == "show" {
+				return []byte(`{"Controllers":[{"Response Data":{"System Overview":[{"Ctrl":0,"Product Name":"SAS3808-iMR"}]}}]}`), nil
+			}
+			// per-controller drive listing: /c0/eall/sall show all J
+			return []byte(`{
+				"Controllers": [
+					{
+						"Response Data": {
+							"Drive Information": [
+								{"EID:Slt": "252:0", "State": "Onln", "Size": "1.746 TB", "Intf": "NVMe", "Med": "SSD", "Model": "SAMSUNG MZQL21T9HCJR", "SN": "S6EYNE0T123456"},
+								{"EID:Slt": "252:1", "State": "UGood", "Size": "1.746 TB", "Intf": "NVMe", "Med": "SSD", "Model": "SAMSUNG MZQL21T9HCJR", "SN": "S6EYNE0T654321"}
+							]
+						}
+					}
+				]
+			}`), nil
+		}
+		return nil, nil
+	}
+
+	drives := collectStorcli2Drives()
+	if len(drives) != 2 {
+		t.Fatalf("drives=%d want 2 (%#v)", len(drives), drives)
+	}
+	if drives[0].SerialNumber == nil || *drives[0].SerialNumber != "S6EYNE0T123456" {
+		t.Fatalf("drives[0]=%#v want serial S6EYNE0T123456", drives[0])
+	}
+}
diff --git a/audit/internal/platform/techdump.go b/audit/internal/platform/techdump.go
index 8126f75..c82e524 100644
--- a/audit/internal/platform/techdump.go
+++ b/audit/internal/platform/techdump.go
@@ -30,6 +30,13 @@ var techDumpFixedCommands = []struct {
 	{Name: "ipmitool", Args: []string{"sel", "list"}, File: "ipmitool-sel.txt"},
 	{Name: "ipmitool", Args: []string{"sel", "time", "get"}, File: "ipmitool-sel-time.txt"},
 	{Name: "nvme", Args: []string{"list", "-o", "json"}, File: "nvme-list.json"},
+	{Name: "storcli64", Args: []string{"/call/eall/sall", "show", "all", "J"}, File: "storcli64-drives.json"},
+	// storcli2 (Tri-Mode controllers, e.g. SAS3808-iMR/9500 series) needs an
+	// explicit /cN target for drive listing, not a /call wildcard — this
+	// system-level dump alone (no per-controller loop) is still useful raw
+	// diagnostics; structured per-drive data is collected separately by
+	// collectStorcli2Drives in the collector package.
+	{Name: "storcli2", Args: []string{"show", "all", "J"}, File: "storcli2-show-all.json"},
 }
 
 var techDumpNvidiaCommands = []struct {
diff --git a/audit/internal/webui/raid_mgmt.go b/audit/internal/webui/raid_mgmt.go
index a4ee627..57ae6b4 100644
--- a/audit/internal/webui/raid_mgmt.go
+++ b/audit/internal/webui/raid_mgmt.go
@@ -128,6 +128,105 @@ func detectLSIControllers() []raidControllerInfo {
 	return controllers
 }
 
+// --- LSI/storcli2 detection (Tri-Mode controllers, e.g. SAS3808-iMR/9500) ---
+//
+// storcli2 is a separate tool/JSON schema from storcli64, required for
+// Broadcom's Tri-Mode MegaRAID line. storcli64 can still enumerate a Tri-Mode
+// controller at a basic level (hence it shows up once via detectLSIControllers)
+// but its drive-listing JSON parser finds no "Drive Information" for these
+// controllers, silently reporting zero drives — this is the storcli2 path
+// that actually understands them, run as an additional source alongside
+// storcli64/VROC rather than a replacement.
+func detectStorcli2Controllers() []raidControllerInfo {
+	sysOut, err := exec.Command("storcli2", "show", "all", "J").Output()
+	if err != nil {
+		return nil
+	}
+
+	var sysDoc struct {
+		Controllers []struct {
+			ResponseData struct {
+				SystemOverview []struct {
+					Ctrl        int    `json:"Ctrl"`
+					ProductName string `json:"Product Name"`
+				} `json:"System Overview"`
+			} `json:"Response Data"`
+		} `json:"Controllers"`
+	}
+	if err := json.Unmarshal(sysOut, &sysDoc); err != nil || len(sysDoc.Controllers) == 0 {
+		return nil
+	}
+
+	var controllers []raidControllerInfo
+	for _, entry := range sysDoc.Controllers {
+		for _, ov := range entry.ResponseData.SystemOverview {
+			ctrl := raidControllerInfo{
+				ID:            fmt.Sprintf("lsi2-%d", ov.Ctrl),
+				Type:          "lsi",
+				Index:         ov.Ctrl,
+				Model:         strings.TrimSpace(ov.ProductName),
+				ForeignDrives: []raidDriveInfo{},
+				FreeDrives:    []raidDriveInfo{},
+				AllDrives:     []raidDriveInfo{},
+			}
+			if ctrl.Model == "" {
+				ctrl.Model = fmt.Sprintf("LSI Controller %d", ctrl.Index)
+			}
+
+			driveOut, _ := exec.Command("storcli2", fmt.Sprintf("/c%d/eall/sall", ov.Ctrl), "show", "all", "J").Output()
+			ctrl.AllDrives, ctrl.ForeignDrives, ctrl.FreeDrives = parseStorcli2DriveInformation(driveOut)
+
+			controllers = append(controllers, ctrl)
+		}
+	}
+	return controllers
+}
+
+// parseStorcli2DriveInformation parses a single controller's
+// "storcli2 /cX/eall/sall show all J" output. The "Drive Information" array
+// shape matches storcli64's schema (confirmed against Broadcom's published
+// drive-info-schema.json), so the same field set applies.
+func parseStorcli2DriveInformation(raw []byte) (all, foreign, free []raidDriveInfo) {
+	if len(raw) == 0 {
+		return nil, nil, nil
+	}
+	var doc struct {
+		Controllers []struct {
+			ResponseData struct {
+				DriveInformation []struct {
+					EIDSlt string `json:"EID:Slt"`
+					State  string `json:"State"`
+					Size   string `json:"Size"`
+					Intf   string `json:"Intf"`
+					Med    string `json:"Med"`
+					Model  string `json:"Model"`
+					SN     string `json:"SN"`
+				} `json:"Drive Information"`
+			} `json:"Response Data"`
+		} `json:"Controllers"`
+	}
+	if err := json.Unmarshal(raw, &doc); err != nil || len(doc.Controllers) == 0 {
+		return nil, nil, nil
+	}
+	for _, d := range doc.Controllers[0].ResponseData.DriveInformation {
+		info := raidDriveInfo{
+			Slot:   strings.TrimSpace(d.EIDSlt),
+			Model:  strings.TrimSpace(d.Model),
+			State:  strings.TrimSpace(d.State),
+			SizeGB: raidParseHumanSizeGB(d.Size),
+			Serial: strings.TrimSpace(d.SN),
+		}
+		all = append(all, info)
+		switch strings.TrimSpace(d.State) {
+		case "Frgn":
+			foreign = append(foreign, info)
+		case "UGood", "JBOD":
+			free = append(free, info)
+		}
+	}
+	return all, foreign, free
+}
+
 // --- VROC/mdadm detection ---
 
 var raidMDStatDegradedRx = regexp.MustCompile(`\[[U_]+\]`)
@@ -288,8 +387,23 @@ func detectVROCController() *raidControllerInfo {
 func (h *handler) handleAPIRAIDStatus(w http.ResponseWriter, r *http.Request) {
 	resp := raidStatusResp{Controllers: []raidControllerInfo{}}
 
+	lsi2 := detectStorcli2Controllers()
 	if lsi := detectLSIControllers(); len(lsi) > 0 {
-		resp.Controllers = append(resp.Controllers, lsi...)
+		// storcli64 can enumerate a Tri-Mode controller (SAS3808-iMR/9500
+		// series) at a basic level but its drive-listing JSON parser finds
+		// no "Drive Information" for these — a zero-drives entry that
+		// storcli2 (run above) already covers correctly. Only drop it when
+		// storcli2 actually found something, so a genuinely drive-populated
+		// classic controller elsewhere in a mixed setup is never hidden.
+		for _, c := range lsi {
+			if len(c.AllDrives) == 0 && len(lsi2) > 0 {
+				continue
+			}
+			resp.Controllers = append(resp.Controllers, c)
+		}
+	}
+	if len(lsi2) > 0 {
+		resp.Controllers = append(resp.Controllers, lsi2...)
 	}
 	if vroc := detectVROCController(); vroc != nil {
 		resp.Controllers = append(resp.Controllers, *vroc)
diff --git a/audit/internal/webui/raid_mgmt_test.go b/audit/internal/webui/raid_mgmt_test.go
new file mode 100644
index 0000000..00f7b0a
--- /dev/null
+++ b/audit/internal/webui/raid_mgmt_test.go
@@ -0,0 +1,49 @@
+package webui
+
+import "testing"
+
+// Fixture shape matches Broadcom's published storcli2 drive-info-schema.json
+// (Controllers[].Response Data.Drive Information[]), which is the same shape
+// storcli64 already uses — confirmed by comparing the two tools' schemas.
+func TestParseStorcli2DriveInformation(t *testing.T) {
+	raw := []byte(`{
+		"Controllers": [
+			{
+				"Command Status": {"Controller": 0, "Status": "Success"},
+				"Response Data": {
+					"Drive Information": [
+						{"EID:Slt": "252:0", "State": "Onln", "Size": "1.746 TB", "Intf": "NVMe", "Med": "SSD", "Model": "SAMSUNG MZQL21T9HCJR", "SN": "S6EYNE0T123456"},
+						{"EID:Slt": "252:1", "State": "UGood", "Size": "1.746 TB", "Intf": "NVMe", "Med": "SSD", "Model": "SAMSUNG MZQL21T9HCJR", "SN": "S6EYNE0T654321"}
+					]
+				}
+			}
+		]
+	}`)
+
+	all, foreign, free := parseStorcli2DriveInformation(raw)
+	if len(all) != 2 {
+		t.Fatalf("all=%d want 2 (%#v)", len(all), all)
+	}
+	if len(foreign) != 0 {
+		t.Fatalf("foreign=%d want 0", len(foreign))
+	}
+	if len(free) != 1 || free[0].Serial != "S6EYNE0T654321" {
+		t.Fatalf("free=%#v want one UGood drive", free)
+	}
+	if all[0].Slot != "252:0" || all[0].SizeGB <= 0 {
+		t.Fatalf("all[0]=%#v want populated slot/size", all[0])
+	}
+}
+
+func TestParseStorcli2DriveInformationEmptyOrMalformed(t *testing.T) {
+	if all, foreign, free := parseStorcli2DriveInformation(nil); all != nil || foreign != nil || free != nil {
+		t.Fatalf("nil input should return nil slices, got %#v %#v %#v", all, foreign, free)
+	}
+	if all, _, _ := parseStorcli2DriveInformation([]byte("not json")); all != nil {
+		t.Fatalf("malformed JSON should return nil, got %#v", all)
+	}
+	// Valid JSON but no Controllers (e.g. tool ran but found nothing) must not panic.
+	if all, _, _ := parseStorcli2DriveInformation([]byte(`{"Controllers":[]}`)); all != nil {
+		t.Fatalf("empty Controllers should return nil, got %#v", all)
+	}
+}
diff --git a/iso/builder/build.sh b/iso/builder/build.sh
index 04c7998..d20e8bc 100755
--- a/iso/builder/build.sh
+++ b/iso/builder/build.sh
@@ -1480,7 +1480,7 @@ cp "${BUILDER_DIR}/smoketest.sh" "${OVERLAY_STAGE_DIR}/usr/local/bin/bee-smokete
 chmod +x "${OVERLAY_STAGE_DIR}/usr/local/bin/bee-smoketest"
 
 # --- vendor utilities (optional pre-fetched binaries) ---
-for tool in storcli64 sas2ircu sas3ircu arcconf ssacli saa; do
+for tool in storcli64 storcli2 sas2ircu sas3ircu arcconf ssacli saa; do
     if [ -f "${VENDOR_DIR}/${tool}" ]; then
         cp "${VENDOR_DIR}/${tool}" "${OVERLAY_STAGE_DIR}/usr/local/bin/${tool}"
         chmod +x "${OVERLAY_STAGE_DIR}/usr/local/bin/${tool}" || true
diff --git a/iso/vendor/storcli2 b/iso/vendor/storcli2
new file mode 100755
index 0000000..36e1daa
Binary files /dev/null and b/iso/vendor/storcli2 differ