libnvme(9) API Manual libnvme(9) NAME enum nvme_mi_form_factor - Upstream Connector Element Descriptor - Form Factor (FF) values SYNOPSIS enum nvme_mi_form_factor { NVME_MI_FF_UNKNOWN , NVME_MI_FF_PCIE_INTEGRATED , NVME_MI_FF_PCIE_OTHER , NVME_MI_FF_PCIE_2_5_UNKNOWN , NVME_MI_FF_PCIE_2_5_U2_15MM , NVME_MI_FF_PCIE_2_5_U2_7MM , NVME_MI_FF_PCIE_2_5_SFF_TA_1001_15MM , NVME_MI_FF_PCIE_2_5_SFF_TA_1001_7MM , NVME_MI_FF_PCIE_CEM_UNKNOWN , NVME_MI_FF_PCIE_CEM_HHHL , NVME_MI_FF_PCIE_CEM_FHHL , NVME_MI_FF_PCIE_CEM_FHFL , NVME_MI_FF_PCIE_M2_UNKNOWN , NVME_MI_FF_PCIE_M2_2230 , NVME_MI_FF_PCIE_M2_2242 , NVME_MI_FF_PCIE_M2_2260 , NVME_MI_FF_PCIE_M2_2280 , NVME_MI_FF_PCIE_M2_22110 , NVME_MI_FF_PCIE_BGA_UNKNOWN , NVME_MI_FF_PCIE_BGA_M2_1620 , NVME_MI_FF_PCIE_BGA_M2_1113 , NVME_MI_FF_PCIE_EDSFF_UNKNOWN , NVME_MI_FF_PCIE_E1S_5_9MM , NVME_MI_FF_PCIE_E1S_8MM , NVME_MI_FF_PCIE_E1L_9_5MM , NVME_MI_FF_PCIE_E1L_18MM , NVME_MI_FF_PCIE_E3S_7_5MM , NVME_MI_FF_PCIE_E3S_16_8MM , NVME_MI_FF_PCIE_E3L_7_5MM , NVME_MI_FF_PCIE_E3L_16_8MM , NVME_MI_FF_PCIE_E1S_9_5MM , NVME_MI_FF_PCIE_E1S_15MM , NVME_MI_FF_PCIE_E1S_25MM , NVME_MI_FF_PCIE_E2_9_5MM , NVME_MI_FF_ETHERNET_UNKNOWN , NVME_MI_FF_ETHERNET_2_5_15MM , NVME_MI_FF_ETHERNET_2_5_7MM , NVME_MI_FF_ETHERNET_E3S_7_5MM , NVME_MI_FF_ETHERNET_E3S_16_8MM }; Constants NVME_MI_FF_UNKNOWN Unspecified: Other - unknown NVME_MI_FF_PCIE_INTEGRATED PCIe: Integrated NVME_MI_FF_PCIE_OTHER PCIe: Other - unknown NVME_MI_FF_PCIE_2_5_UNKNOWN PCIe: 2.5" Form Factor - unknown NVME_MI_FF_PCIE_2_5_U2_15MM PCIe: 2.5" Form Factor - PCI Express SFF-8639 Module (U.2) 15 mm NVME_MI_FF_PCIE_2_5_U2_7MM PCIe: 2.5" Form Factor - PCI Express SFF-8639 Module (U.2) 7 mm NVME_MI_FF_PCIE_2_5_SFF_TA_1001_15MM PCIe: 2.5" Form Factor - (SFF-TA-1001) 15 mm NVME_MI_FF_PCIE_2_5_SFF_TA_1001_7MM PCIe: 2.5" Form Factor - (SFF-TA-1001) 7 mm NVME_MI_FF_PCIE_CEM_UNKNOWN PCIe: CEM add in card - unknown NVME_MI_FF_PCIE_CEM_HHHL PCIe: CEM add in card - Low Profile (HHHL) NVME_MI_FF_PCIE_CEM_FHHL PCIe: CEM add in card - Standard Height Half Length (FHHL) NVME_MI_FF_PCIE_CEM_FHFL PCIe: CEM add in card - Standard Height Full Length (FHFL) NVME_MI_FF_PCIE_M2_UNKNOWN PCIe: M.2 module - unknown NVME_MI_FF_PCIE_M2_2230 PCIe: M.2 module - 2230 NVME_MI_FF_PCIE_M2_2242 PCIe: M.2 module - 2242 NVME_MI_FF_PCIE_M2_2260 PCIe: M.2 module - 2260 NVME_MI_FF_PCIE_M2_2280 PCIe: M.2 module - 2280 NVME_MI_FF_PCIE_M2_22110 PCIe: M.2 module - 22110 NVME_MI_FF_PCIE_BGA_UNKNOWN PCIe: BGA SSD - unknown NVME_MI_FF_PCIE_BGA_M2_1620 PCIe: BGA SSD - 16 x 20 mm (M.2 Type 1620) NVME_MI_FF_PCIE_BGA_M2_1113 PCIe: BGA SSD - 11.5 x 13 mm (M.2 Type 1113) NVME_MI_FF_PCIE_EDSFF_UNKNOWN PCIe: Enterprise & Datacenter SSD Form Factor - unknown NVME_MI_FF_PCIE_E1S_5_9MM PCIe: E1.S - (SFF-TA-1006) 5.9 mm NVME_MI_FF_PCIE_E1S_8MM PCIe: E1.S - (SFF-TA-1006) 8 mm NVME_MI_FF_PCIE_E1L_9_5MM PCIe: E1.L - (SFF-TA-1007) 9.5 mm NVME_MI_FF_PCIE_E1L_18MM PCIe: E1.L - (SFF-TA-1007) 18 mm NVME_MI_FF_PCIE_E3S_7_5MM PCIe: E3.S - (SFF-TA-1008) 7.5 mm NVME_MI_FF_PCIE_E3S_16_8MM PCIe: E3.S - (SFF-TA-1008) 16.8 mm NVME_MI_FF_PCIE_E3L_7_5MM PCIe: E3.L - (SFF-TA-1008) 7.5 mm NVME_MI_FF_PCIE_E3L_16_8MM PCIe: E3.L - (SFF-TA-1008) 16.8 mm NVME_MI_FF_PCIE_E1S_9_5MM PCIe: E1.S - (SFF-TA-1006) 9.5 mm NVME_MI_FF_PCIE_E1S_15MM PCIe: E1.S - (SFF-TA-1006) 15 mm NVME_MI_FF_PCIE_E1S_25MM PCIe: E1.S - (SFF-TA-1006) 25 mm NVME_MI_FF_PCIE_E2_9_5MM PCIe: E2 - (SFF-TA-1042) 9.5 mm NVME_MI_FF_ETHERNET_UNKNOWN Ethernet: Other - unknown NVME_MI_FF_ETHERNET_2_5_15MM Ethernet: 2.5" Form Factor (Native NVMe-oF Drive) 15 mm NVME_MI_FF_ETHERNET_2_5_7MM Ethernet: 2.5" Form Factor (Native NVMe-oF Drive) 7 mm NVME_MI_FF_ETHERNET_E3S_7_5MM Ethernet: E3.S (Native NVMe-oF Drive) 7.5 mm NVME_MI_FF_ETHERNET_E3S_16_8MM Ethernet: E3.S (Native NVMe-oF Drive) 16.8 mm October 2026 enum nvme_mi_form_factor libnvme(9)