libnvme(9) API Manual libnvme(9)

enum nvme_mi_form_factor - Upstream Connector Element Descriptor - Form Factor (FF) values

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

};

Unspecified: Other - unknown
PCIe: Integrated
PCIe: Other - unknown
PCIe: 2.5" Form Factor - unknown
PCIe: 2.5" Form Factor - PCI Express SFF-8639 Module (U.2) 15 mm
PCIe: 2.5" Form Factor - PCI Express SFF-8639 Module (U.2) 7 mm
PCIe: 2.5" Form Factor - (SFF-TA-1001) 15 mm
PCIe: 2.5" Form Factor - (SFF-TA-1001) 7 mm
PCIe: CEM add in card - unknown
PCIe: CEM add in card - Low Profile (HHHL)
PCIe: CEM add in card - Standard Height Half Length (FHHL)
PCIe: CEM add in card - Standard Height Full Length (FHFL)
PCIe: M.2 module - unknown
PCIe: M.2 module - 2230
PCIe: M.2 module - 2242
PCIe: M.2 module - 2260
PCIe: M.2 module - 2280
PCIe: M.2 module - 22110
PCIe: BGA SSD - unknown
PCIe: BGA SSD - 16 x 20 mm (M.2 Type 1620)
PCIe: BGA SSD - 11.5 x 13 mm (M.2 Type 1113)
PCIe: Enterprise & Datacenter SSD Form Factor - unknown
PCIe: E1.S - (SFF-TA-1006) 5.9 mm
PCIe: E1.S - (SFF-TA-1006) 8 mm
PCIe: E1.L - (SFF-TA-1007) 9.5 mm
PCIe: E1.L - (SFF-TA-1007) 18 mm
PCIe: E3.S - (SFF-TA-1008) 7.5 mm
PCIe: E3.S - (SFF-TA-1008) 16.8 mm
PCIe: E3.L - (SFF-TA-1008) 7.5 mm
PCIe: E3.L - (SFF-TA-1008) 16.8 mm
PCIe: E1.S - (SFF-TA-1006) 9.5 mm
PCIe: E1.S - (SFF-TA-1006) 15 mm
PCIe: E1.S - (SFF-TA-1006) 25 mm
PCIe: E2 - (SFF-TA-1042) 9.5 mm
Ethernet: Other - unknown
Ethernet: 2.5" Form Factor (Native NVMe-oF Drive) 15 mm
Ethernet: 2.5" Form Factor (Native NVMe-oF Drive) 7 mm
Ethernet: E3.S (Native NVMe-oF Drive) 7.5 mm
Ethernet: E3.S (Native NVMe-oF Drive) 16.8 mm
enum nvme_mi_form_factor October 2026