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    SmartEye NAJ-1001 Processing Module Appliance

    • High-Density 2U Storage Expansion: 2U rackmount expansion shelf featuring 24 small form factor (2.5-inch) drive bays designed to expand NetApp FAS/AFF storage systems or enterprise SAN/NAS environments.
    • High-Speed SAS Connectivity: Equipped with dual IOM6 (6 Gbps SAS) I/O modules, each featuring quad 6G SAS ports for multipath resiliency and high-throughput data access.
    • Versatile Drive Support: Accommodates high-performance 2.5" 10K/15K RPM Enterprise SAS HDDs or high-endurance SAS SSDs.
    • High-Availability Architecture: Built-in hardware redundancy with dual hot-swappable IOM6 I/O controller modules and dual hot-swappable integrated power supply/fan modules (PSUs). Alternate Branding / OEM Distribution: Often referenced as the IBM Nseries NAJ-1001 (N6000 / N3000 series expansion shelf) through IBM's OEM partnership with NetApp.
    • Flexible Controller & Host Integration: Connects directly to NetApp storage controllers via QSFP-to-QSFP (SAS) cabling or to standard HBAs via QSFP-to-SFF-8088 SAS cables.
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    Overview
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    Any questions? Ask CelesteSM will help you find out quickly.

    The NetApp DS2246 / NAJ-1001 is a high-density 2U 2.5-inch small form factor (SFF) expansion shelf designed to deliver performance-driven storage expansion for NetApp FAS/AFF arrays and IBM System Storage Nseries systems (N6000 and N3000 series). Featuring 24 drive bays in a compact 2U chassis, the NAJ-1001 doubles the drive density of standard 3.5-inch shelves, providing high-performance IOPS and bandwidth while drastically reducing data center rack footprint and power consumption.

    Equipped with dual hot-swappable IOM6 (6 Gbps SAS) controllers, the DS2246 offers multipath resiliency, continuous fault tolerance, and direct connectivity to storage controllers or server HBAs via high-speed QSFP SAS links. Whether populated with high-speed enterprise 10K/15K RPM SAS hard drives or ultra-low-latency SAS SSDs, the NAJ-1001 is a proven workhorse for enterprise SAN/NAS virtualization, database workloads, and high-performance tier-1 storage expansion.

    Key Features & Highlights
    1. 2U 24-Bay High-Density Storage: Accommodates up to 24x 2.5-inch Small Form Factor (SFF) SAS HDDs or SSDs in a 2U rack enclosure.
    2. High-Performance 6 Gbps SAS Connectivity: Dual IOM6 controller modules deliver 6 Gbps per lane SAS throughput for low-latency, bandwidth-heavy data transfers.
    3. Universal FAS / Nseries Compatibility: Fully compatible with NetApp FAS/AFF controllers as well as IBM System Storage Nseries enterprise platforms.
    4. Full Hardware Redundancy: Dual hot-swappable IOM6 modules and dual redundant, hot-swappable integrated power supply and cooling fan assemblies ensure continuous uptime.
    5. Flexible Drive Media Options: Supports high-speed 10K/15K RPM enterprise SAS hard drives and high-endurance enterprise SAS SSDs.
    6. Multipath I/O Resiliency: Supports dual-loop and multipath high-availability configurations to prevent single points of connectivity failure.
    7. Efficient Energy & Thermal Management: Compact 2.5-inch drives consume up to 50% less power per drive compared to traditional 3.5-inch drive shelves.
    Technical Specifications
    SpecificationDetails
    Regulatory Model NumberNAJ-1001 (Commercial Name: NetApp DS2246 / IBM 2857-S24)
    ManufacturerNetApp / IBM OEM
    Product Type2U 2.5-inch SFF SAS Expansion Disk Shelf
    Form Factor2U Rackmount Enclosure
    Drive Bays24x 2.5" SFF Drive Slots (Hot-Swappable)
    Interface ProtocolSAS (Serial Attached SCSI) 6 Gbps
    I/O Controller ModulesDual Hot-Swappable IOM6 Modules (4x QSFP 6 Gbps SAS Ports per module)
    Drive Compatibility2.5" SAS HDDs (10K / 15K RPM) or 2.5" Enterprise SAS SSDs
    Power Supply / Fan ModulesDual Hot-Swappable 575W AC Power Supplies with Integrated Variable-Speed Cooling Fans
    Input Voltage100 to 240V AC (50 / 60 Hz)
    Rack Mount KitStandard 4-Post 19-inch Rack Rail Kit
    Chassis Dimensions (W × D × H)19.0 × 21.3 × 3.4 in (48.3 × 54.1 × 8.6 cm)
    Unboxed Net Weight (Empty)~32.0 lbs (~14.5 kg)
    Unboxed Net Weight (Fully Loaded)~49.0 to 52.0 lbs (~22.2 to 23.6 kg) (24x 2.5" drives installed)
    Shipping Weight (Fully Loaded)~58.0 to 62.0 lbs (~26.3 to 28.1 kg)
    Package / Freight Dimensions~32.0 × 24.5 × 11.5 in (~81.3 × 62.2 × 29.2 cm)
    Country of OriginUnited States / Hungary
    What's in the Box?
    1. NetApp DS2246 / NAJ-1001 2U 24-Bay SAS Storage Expansion Shelf
    2. 2x Hot-Swappable IOM6 (6G SAS) Controller Modules
    3. 2x Hot-Swappable Integrated Power Supply & Cooling Fan Modules
    4. 24x 2.5-inch Drive Caddies / Trays (with drive screws or pre-installed drives)
    5. 4-Post Universal Rack Mount Rail Kit
    6. AC Power Cords & QSFP SAS Interconnect Cables


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