diff --git a/ompi/mca/btl/openib/mca-btl-openib-device-params.ini b/ompi/mca/btl/openib/mca-btl-openib-device-params.ini
index 1661ff19dc..0209d0587d 100644
--- a/ompi/mca/btl/openib/mca-btl-openib-device-params.ini
+++ b/ompi/mca/btl/openib/mca-btl-openib-device-params.ini
@@ -230,11 +230,11 @@ max_inline_data = 64
 
 [Chelsio T4]
 vendor_id = 0x1425
-vendor_part_id = 0xa000,0x4400,0x4401,0x4402,0x4403,0x4404,0x4405,0x4406,0x4407,0x4408,0x4409,0x440a,0x440b,0x440c,0x440d,0x440e
+vendor_part_id = 0xa000,0x4400,0x4401,0x4402,0x4403,0x4404,0x4405,0x4406,0x4407,0x4408,0x4409,0x440a,0x440b,0x440c,0x440d,0x440e,0x4480,0x4481,0xb000,0xb001
 use_eager_rdma = 1
 mtu = 2048
 receive_queues = P,65536,64
-max_inline_data = 64
+max_inline_data = 280
 
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