Synology M2D20 | Dual-Slot NVMe M.2 SSD Adapter Card

The Synology M2D20 is a high-performance PCIe expansion adapter card designed to add dual NVMe M.2 SSD slots to compatible Synology NAS systems. Built for enterprise-grade SSD caching and storage acceleration, it supports PCIe NVMe SSDs in 22110 and 2280 form factors for improved NAS responsiveness and high-speed workload performance.

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    Description

    Why Choose Synology M2D20 Product?

    The Synology M2D20 is engineered for businesses and professionals requiring faster random I/O performance, reduced storage latency, and enhanced responsiveness in virtualization, database, backup, and collaborative environments. Featuring PCIe 3.0 x8 connectivity and support for dual NVMe SSDs, it significantly boosts storage acceleration capabilities in compatible Synology NAS systems.

    Core Features & Benefits of Synology M2D20

    Dual NVMe SSD Slots

    Provides two M-key M.2 slots for installing high-speed NVMe SSDs for cache acceleration and enhanced NAS performance.

    PCIe 3.0 x8 High-Speed Interface

    Uses a PCIe 3.0 x8 interface to deliver high-bandwidth SSD communication and optimized storage acceleration.

    Enterprise NVMe Acceleration

    Designed specifically for PCIe NVMe SSD deployment in enterprise and high-performance NAS environments.

    Flexible SSD Form Factor Support

    Supports M.2 22110 and 2280 NVMe SSD form factors for enterprise-grade storage flexibility.

    Optimized Synology Compatibility

    Validated for use with multiple Synology SA, RS, and DS series NAS systems for reliable operation and seamless DSM integration.

    Key Features & Highlights of Synology M2D20

    • Dual-Slot NVMe M.2 SSD Adapter Card
    • PCIe 3.0 x8 Expansion Interface
    • Supports NVMe SSDs Only
    • Supports 22110 & 2280 M.2 SSDs
    • M-Key Dual SSD Slots
    • Enterprise NAS SSD Acceleration
    • Low Profile & Full Height Brackets Included
    • 5-Year Limited Warranty

    Full Specifications Table

    CategorySpecification
    Product ModelSynology M2D20
    Host InterfacePCIe 3.0 x8
    Storage InterfacePCIe NVMe
    Supported SSD Form Factors22110 / 2280
    SSD Connector TypeM-Key
    SSD Slots2
    Bracket SupportLow Profile & Full Height
    Dimensions71.75 Ă— 181.9 Ă— 15.8 mm
    Operating Temperature0°C to 40°C
    Storage Temperature-20°C to 60°C
    Relative Humidity5% to 95% RH
    Warranty5 Years

    Compatible Synology Models

    SA Series

    • SA6400
    • SA3610
    • SA3600
    • SA3410
    • SA3400

    25 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
    • DS3617xs

    Performance Advantages

    Faster Random Read/Write Operations

    NVMe SSD acceleration significantly improves IOPS performance and lowers storage latency for demanding workloads.

    Enhanced Multi-User Responsiveness

    Improves performance for virtualization, collaborative access, databases, and backup operations.

    Enterprise-Grade SSD Caching

    Designed for high-performance NAS environments requiring reliable SSD cache acceleration.

    Ideal Use Cases of Synology M2D20

    • NVMe SSD Cache Acceleration
    • Enterprise Virtualization Infrastructure
    • Database Workloads
    • Multi-User NAS Deployments
    • High-Speed Backup Operations
    • Media Production & Editing
    • Enterprise Storage Optimization

    FAQs

    1. What is the Synology M2D20?

    It is a PCIe expansion card that adds dual NVMe M.2 SSD slots to compatible Synology NAS systems.

    2. Does it support SATA M.2 SSDs?

    No, the M2D20 supports PCIe NVMe SSDs only.

    3. How many SSDs can be installed?

    The card supports two M-key NVMe M.2 SSDs.

    4. Which SSD sizes are supported?

    It supports M.2 22110 and 2280 NVMe SSD form factors.

    5. What DSM version is required?

    DSM 6.2.3-25426 or later is required, with DSM 7.0.1 or later for selected older models.

    About Synology
    #Lab nameLocationCertificate no.Valid till
    1Precise Testing Solution Pvt. Ltd.E-81, Second Floor, Sector 63, Noida, U.P.STQC-SAB-SETL-310 Dec 2027
    2AQM Technologies Pvt. Ltd.4th Floor, A Wing, 401 Raheja Plaza, LBS Road, Ghatkopar (W), Mumbai 400086STQC-SAB-SETL-1019 Oct 2026
    3AKS Information Technology Services Pvt. Ltd.B-21, Sector 59, Noida 201309, U.P.STQC-SAB-SETL-905 Sep 2026
    4Information Technology Quality Certification and Research (ITQCR)C-202, Infotech Park, Tower No-8, CBD Belapur, Navi Mumbai 400614STQC-SAB-SETL-111 Sep 2027
    5Quality Kiosk Technologies Pvt. Ltd.419 A, Rupa Solitaire, Sector 1, Millennium Business Park, Mahape, Navi Mumbai 400710STQC-SAB-SETL-419 Dec 2027
    6Maverick Quality Advisory Services Pvt. Ltd.123 Radhey Shyam Park, PO Sahibabad, Ghaziabad, U.P. 201005STQC-SAB-SETL-1128 Jul 2027
    7Redinent Innovations Pvt. Ltd.18, Novel MSR Park, Varthur Main Road, Munnekolalu, Marathahalli, Bengaluru 560037STQC-SAB-SETL-1205 Aug 2027
    8Levithan Technologies Pvt. Ltd.Shop No. 374A, Bhoor Colony, Old Faridabad, Haryana 121002STQC-SAB-SETL-1305 Aug 2027
    9CyberSRC Consultancy Pvt. Ltd.Unit 605, 6th Floor, World Trade Tower, Sector 16, Noida 201301STQC-SAB-SETL-1418 Aug 2028
    10ITOrizin Technology Solution Pvt. Ltd.8/14, Sahid Nagar, Ground Floor, Haltu, Garfa, Kolkata 700078STQC-SAB-SETL-1523 Nov 2028
    Product Details

    Full Specifications Table

    General

    CategorySpecification
    Product NameSynology M2D20
    Product TypeM.2 NVMe SSD Adapter Card
    FunctionAdds NVMe SSD support and cache acceleration to compatible Synology NAS systems
    Host Bus InterfacePCIe 3.0 x8
    Bracket HeightLow Profile
    Full Height
    Dimensions (H Ă— W Ă— D)71.75 mm Ă— 181.9 mm Ă— 15.8 mm

    Environmental Specifications

    CategorySpecification
    Operating Temperature0°C to 40°C (32°F to 104°F)
    Storage Temperature-20°C to 60°C (-5°F to 140°F)
    Relative Humidity5% to 95% RH

    Warranty

    CategorySpecification
    Warranty5 Years
    NotesWarranty period starts from purchase date on receipt

    Storage Specifications

    CategorySpecification
    Storage InterfacePCIe NVMe
    Supported Form Factor22110
    2280
    Connector Type and QuantityM-key, 2 Slots

    Compatibility

    Applied Models — NVMe SSD Support

    SeriesModels
    SA SeriesSA6400, SA3610, SA3600, SA3410, SA3400
    25 SeriesRS2825RP+
    23 SeriesRS2423RP+II, RS2423RP+, RS2423+
    22 SeriesRS822RP+, RS822+, DS3622xs+, DS2422+
    21 SeriesRS4021xs+, RS3621xs+, RS3621RPxs, RS2821RP+, RS2421RP+, RS2421+, RS1221RP+, RS1221+
    20 SeriesRS820RP+, RS820+
    19 SeriesDS2419+II, DS2419+, DS1819+
    18 SeriesRS3618xs, RS2818RP+, RS2418RP+, RS2418+, DS3018xs, DS1618+
    17 SeriesRS18017xs+, RS4017xs+, RS3617xs+, RS3617RPxs, DS3617xsII, DS3617xs

    DSM Requirements

    CategorySpecification
    General DSM RequirementDSM 6.2.3-25426 or later
    Special DSM RequirementDSM 7.0.1 or later for RS18017xs+, RS4017xs+, RS3618xs, RS3617xs+, RS3617RPxs, DS3617xs, DS3617xsII

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