Mikrotik Gigabit Switch with 8 SFP+ CRS309-1G-8S+IN

The CRS309-1G-8S+ is a highly compact yet powerful network switch.
It has eight SFP+ slots that support up to 10 Gbit modules in each slot, resulting in a total switching capacity of 162 Gbps and a total non-blocking throughput of 81 Gbps.
The device also has a dual-core 800 MHz CPU, 512 MB of RAM, a management Ethernet port with PoE input, an RS232 serial port, a grounding terminal, and is capable of dual boot (choose which operating system you want, RouterOS or SwOS).

Specifications

Details Product code CRS309-1G-8S+IN Architect ARM 32bit CPU 98DX8208 CPU core count 2 CPU nominal frequency 800 MHz Dimensions 272 x 191 x 44 mm RouterOS license 5 Operating System RouterOS / SwitchOS Size of RAM 512 MB Storage size 16 MB Storage type FLASH MTBF Approximately 200,000 hours at 25°C Tested ambient temperature -40°C to 70°C Powering Details Number of DC inputs 2 (DC jack, PoE-IN) DC jack input Voltage 12-57 Maximum power consumption 23 Maximum power consumption without attachments 17 W FAN count Passive PoE in 802.3af/at PoE and input Voltage 18-57 V Ethernet Details 10/100/1000 Ethernet ports 1 Fiber Details SFP+ ports 8 Peripherals Details Serial console port RS232 Other Details CPU temperature monitor Yes Certification & Approvals Details Certification CE, EAC, ROHS IP IP Official manufacturer website: https://mikrotik.com/product/crs309_1g_8s_in#fndtn-specifications