CRS309-1G-8S+IN Desktop switch with one Gigabit Ethernet port and eight SFP+ 10Gbps ports

    The CRS309-1G-8S+ is a very compact, yet powerful networking switch. It has eight SFP+ slots, supporting up to 10 Gbit module in each, which results in a total switching capacity of 162 Gbps and total non-blocking throughput of 81 Gbps.

    The device also has dual-core 800 MHz CPU, 512 MB RAM, a management Ethernet port with PoE power input, RS232 serial port, a grounding terminal and is capable of dual boot (choose which operating system you prefer, RouterOS, or SwOS).

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    Product code CRS309-1G-8S+IN
    Architecture ARM 32bit
    CPU 98DX8208
    CPU core count 2
    CPU nominal frequency 800 MHz
    Dimensions 272 x 158 x 44 mm
    License level 5
    Operating System RouterOS / SwitchOS
    Size of RAM 512 MB
    Storage size 16 MB
    Storage type FLASH
    Tested ambient temperature -40°C to 70°C
    Suggested price $269.00


    PoE in 802.3af/at
    PoE in input Voltage 18-57 V
    Number of DC inputs 2 (DC jack, PoE-IN)
    DC jack input Voltage 12-57 V
    Max power consumption 23 W
    Max power consumption without attachments 17 W


    10/100/1000 Ethernet ports 1


    SFP+ ports 8


    Serial port RS232


    CPU temperature monitor Yes

    Included parts

    Quick GuideOpen
    RouterOS current releaseDownload
    Block DiagramOpen
    SFP compatibility listOpen
    SwOS software manualOpen

    High resolution images

    Switching results

    Mode Configuration 1518 byte 512 byte 64 byte
    kpps Mbps kpps Mbps kpps Mbps
    Switching Non blocking Layer 2 throughput 6,583.2 79,946.7 19,032.0 77,954.9 120,535.7 61,714.3
    Switching Non blocking Layer 2 capacity 6,583.2 159,893.4 19,032.0 155,909.8 120,535.7 123,428.6
    Switching Non blocking Layer 1 throughput 6,583.2 81,000.0 19,032.0 81,000.0 120,535.7 81,000.0
    Switching Non blocking Layer 1 capacity 6,583.2 162,000.0 19,032.0 162,000.0 120,535.7 162,000.0

    Ethernet test results

    CRS309-1G-8S+IN98DX8208 all port test
    ModeConfiguration1518 byte512 byte64 byte
    Bridgingnone (fast path)217,52641.3231,1946.6243,6124.7
    Bridging25 bridge filter rules117,41425.7117,4480.9145,274.3
    Routingnone (fast path)207,62521.1217,6891.3229,5117.5
    Routing25 simple queues121,11470.6122,7502.6145,274.3
    Routing25 ip filter rules83,61015.283,1340.488,945.5
    1. All tests are done with Xena Networks specialized test equipment (XenaBay),and done according to RFC2544 (Xena2544)
    2. Max throughput is determined with 30+ second attempts with 0,1% packet loss tolerance in 64, 512, 1518 byte packet sizes
    3. Test results show device maximum performance, and are reached using mentioned hardware and software configuration, different configurations most likely will result in lower results

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