The Synology M2D20 is a dual M.2 NVMe SSD adapter card designed to upgrade compatible Synology NAS systems with high-speed SSD cache support.With two M-key M.2 slots, the M2D20 supports M.2 22110 and M.2 2280 PCIe NVMe SSDs, allowing supported Synology NAS systems to add SSD cache without using standard drive bays.The card uses a PCIe 3.0 x8 host bus interface and includes support for both low-profile and full-height bracket installation, making it suitable for selected compatible Synology desktop and rackmount NAS systems.The M2D20 is ideal for supported Synology environments that need improved random I/O performance, lower latency, and better responsiveness for demanding workloads such as file services, indexing, virtualization, database access, and multi-user business applications.Please note that M.2 NVMe SSDs are sold separately unless otherwise stated.Key FeaturesOfficial Synology dual M.2 NVMe SSD adapter card2 x M-key M.2 NVMe SSD slotsSupports M.2 22110 and M.2 2280 form factorsPCIe 3.0 x8 host bus interfaceDesigned for compatible Synology NAS systemsEnables SSD cache support without using standard drive baysSuitable for performance-focused NAS workloadsHelps improve random I/O performance where SSD cache is supportedIncludes low-profile and full-height bracket supportDesigned for use with selected Synology desktop and rackmount NAS modelsProduct SpecificationsBrand: SynologyModel: M2D20Product Type: Dual M.2 NVMe SSD Adapter CardHost Bus Interface: PCIe 3.0 x8Storage Interface: PCIe NVMeConnector Type: M-keyNumber of M.2 Slots: 2Supported Form Factors: 22110 and 2280Bracket Height: Low Profile and Full HeightDimensions: 71.75mm x 181.9mm x 15.8mmOperating Temperature: 0 C to 40 CStorage Temperature: -20 C to 60 CRelative Humidity: 5% to 95% RHWarranty: 5 YearsCompatibility NoticePlease check that the Synology M2D20 is compatible with your Synology NAS model, DSM version, and selected M.2 NVMe SSDs before you order.This card supports PCIe NVMe SSDs only. M.2 SATA SSDs are not listed as supported for this model.DSM version 6.2.3-25426 or later is required.For RS18017xs+, RS4017xs+, RS3618xs, RS3617xs+, RS3617RPxs, DS3617xs, and DS3617xsII, DSM version 7.0.1 or later is required.M.2 NVMe SSDs are sold separately unless otherwise stated.Applied Synology Model CompatibilityThe Synology M2D20 is listed for use with selected Synology models, including:SA Series: SA6400, SA3610, SA3600, SA3410, SA340025 Series: RS2825RP+23 Series: RS2423RP+II, RS2423RP+, RS2423+22 Series: RS822RP+, RS822+, DS3622xs+, DS2422+21 Series: RS4021xs+, RS3621xs+, RS3621RPxs, RS2821RP+, RS2421RP+, RS2421+, RS1221RP+, RS1221+20 Series: RS820RP+, RS820+19 Series: DS2419+II, DS2419+, DS1819+18 Series: RS3618xs, RS2818RP+, RS2418RP+, RS2418+, DS3018xs, DS1618+17 Series: RS18017xs+, RS4017xs+, RS3617xs+, RS3617RPxs, DS3617xsII, DS3617xsWhat's in the box1 x Synology M2D20 Dual M.2 NVMe SSD Adapter Card