diff -r 8f6cd18ad4a5 -r 4b27465200e1 sys/dev/pci/mfii.c
--- a/sys/dev/pci/mfii.c	Thu Jul 27 10:50:49 2023 +0200
+++ b/sys/dev/pci/mfii.c	Tue Aug 01 14:15:10 2023 +0200
@@ -600,6 +600,22 @@
 	{ PCI_VENDOR_SYMBIOS,	PCI_PRODUCT_SYMBIOS_MEGARAID_3416,
 	    &mfii_iop_35 },
 	{ PCI_VENDOR_SYMBIOS,	PCI_PRODUCT_SYMBIOS_MEGARAID_3516,
+	    &mfii_iop_35 },
+	{ PCI_VENDOR_SYMBIOS,	PCI_PRODUCT_SYMBIOS_MEGARAID_SAS3816,
+	    &mfii_iop_35 },
+	{ PCI_VENDOR_SYMBIOS,	PCI_PRODUCT_SYMBIOS_MEGARAID_SAS3816_1,
+	    &mfii_iop_35 },
+	{ PCI_VENDOR_SYMBIOS,	PCI_PRODUCT_SYMBIOS_MEGARAID_SAS3816_2,
+	    &mfii_iop_35 },
+	{ PCI_VENDOR_SYMBIOS,	PCI_PRODUCT_SYMBIOS_MEGARAID_SAS3816_3,
+	    &mfii_iop_35 },
+	{ PCI_VENDOR_SYMBIOS,	PCI_PRODUCT_SYMBIOS_MEGARAID_SAS3816_4,
+	    &mfii_iop_35 },
+	{ PCI_VENDOR_SYMBIOS,	PCI_PRODUCT_SYMBIOS_MEGARAID_SAS3816_5,
+	    &mfii_iop_35 },
+	{ PCI_VENDOR_SYMBIOS,	PCI_PRODUCT_SYMBIOS_MEGARAID_SAS3816_6,
+	    &mfii_iop_35 },
+	{ PCI_VENDOR_SYMBIOS,	PCI_PRODUCT_SYMBIOS_MEGARAID_SAS3816_7,
 	    &mfii_iop_35 }
 };
 
diff -r 8f6cd18ad4a5 -r 4b27465200e1 sys/dev/pci/pcidevs
--- a/sys/dev/pci/pcidevs	Thu Jul 27 10:50:49 2023 +0200
+++ b/sys/dev/pci/pcidevs	Tue Aug 01 14:15:10 2023 +0200
@@ -9038,6 +9038,10 @@
 product SYMBIOS SAS3508		0x00ad	SAS3508
 product SYMBIOS SAS3508_1	0x00ae	SAS3508
 product SYMBIOS SAS3408		0x00af	SAS3408
+product SYMBIOS MEGARAID_SAS3816	0x00e4	MegaRAID SAS3816
+product SYMBIOS MEGARAID_SAS3816_1	0x00e5	MegaRAID SAS3816
+product SYMBIOS MEGARAID_SAS3816_2	0x00e6	MegaRAID SAS3816
+product SYMBIOS MEGARAID_SAS3816_3	0x00e7	MegaRAID SAS3816
 product SYMBIOS MEGARAID_320	0x0407	MegaRAID 320
 product SYMBIOS MEGARAID_3202E	0x0408	MegaRAID 320-2E
 product SYMBIOS MEGARAID_SATA	0x0409	MegaRAID SATA 4x/8x
@@ -9059,6 +9063,10 @@
 product SYMBIOS 61C102		0x0901	61C102
 product SYMBIOS 63C815		0x1000	63C815
 product SYMBIOS 1030R		0x1030	53c1030R
+product SYMBIOS MEGARAID_SAS3816_4	0x10e4	MegaRAID SAS3816
+product SYMBIOS MEGARAID_SAS3816_5	0x10e5	MegaRAID SAS3816
+product SYMBIOS MEGARAID_SAS3816_6	0x10e6	MegaRAID SAS3816
+product SYMBIOS MEGARAID_SAS3816_7	0x10e7	MegaRAID SAS3816
 product SYMBIOS MEGARAID	0x1960	MegaRAID
 
 /* Packet Engines products */