MikroTik (CRS312-4C+8XG-RM) 10G RJ45 Ethernet Ports and SFP+ Switch

MikroTik CRS312-4C 8XG-RM Switch of the future: the first MikroTik product with 10G RJ45 Ethernet ports and SFP

Remove the bottleneck from your network setup – it is time to upgrade that 1 Gigabit switch to something truly powerful and enjoy real speed. And it won’t cost an arm and a leg – only $659! Introducing CRS312-4C 8XG-RM – our first product with 10G RJ45 Ethernet ports. Moreover, it also has 4 x 10G combo ports: use them for 10G RJ45 Ethernet or 10G SFP , when you need an additional fiber connection. Combo ports can be used alongside the 8 regular 10G RJ45 Ethernet ports at all times. These ports can also be software selected, so you can use RouterOS scripting, to decide which combo ports will be active.

This device is a practical solution for those who work with huge data files and need fast, capable connection 24/7: multimedia production, scientific research, game development, big data analysis, and so on. CRS312-4C 8XG-RM has a dual power supply for redundancy – no unexpected downtime when the deadlines are looming. It has a full-size USB, a console port for configuration, and a 1U rackmount case – fits all the standard racks.

You can choose between our legendary feature-packed RouterOS for booting or a simpler, but still powerful SwOS. If you would like the ability to use routing and other Layer 3 features in your CRS, use RouterOS.

This switch has a great total non-blocking throughput of 120 Gbps, switching capacity of 240 Gbps, and a forwarding rate of 178 Mpps. CRS312-4C 8XG-RM – built for professionals, great for everyone!
In Stock
AED 3100.00
AED 2890.00

Brand New

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Product codeCRS312-4C 8XG-RM
CPU core count1
CPU nominal frequency650 MHz
Dimensions443 x 183 x 44 mm
License level5
Operating SystemRouterOS / SwitchOS
Size of RAM64 MB
Storage size16 MB
Storage typeFLASH
Tested ambient temperature-30°C to 70°C


Number of AC inputs2
AC input range100-240
Max power consumption60 W


10/100 Ethernet ports1
Number of Combo 10G Ethernet/ SFP ports4
Number of 1G/2.5G/5G/10G Ethernet ports8


Serial portRJ45
Number of USB ports1
USB Power ResetYes
USB slot typeUSB type A
Max USB current (A)1


CPU temperature monitorYes
Voltage MonitorYes

Certification & Approvals

CertificationCE/RED, EAC, ROHS

Switching results

CRS312-4C 8XG-RMCRS312-4C-8XG all port switching results
ModeConfiguration1518 byte512 byte64 byte
SwitchingNon blocking Layer 2 throughput9752,8118438.228195,5115488.8178571,391428.5
SwitchingNon blocking Layer 2 capacity9752,8236876.528195,5230977.5178571,3182857.0
SwitchingNon blocking Layer 1 throughput9752,8120100.028195,5120100.0178571,3120100.0
SwitchingNon blocking Layer 1 capacity9752,8240200.028195,5240200.0178571,3240200.0

Ethernet test results

CRS312-4C 8XG-RMQCA9531 all port test
ModeConfiguration1518 byte512 byte64 byte
Bridgingnone (fast path)37,4454.282,8339.1162,583.2
Bridging25 bridge filter rules33,8410.547,8195.875,638.7
Routingnone (fast path)37,2451.873,3300.2144,974.2
Routing25 simple queues36,4442.052,4214.654,427.9
Routing25 ip filter rules33,8410.541,4169.641,721.4

  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 the mentioned hardware and software configuration, different configurations most likely will result in lower results

Information on technical characteristics, the delivery set, the country of manufacture and the appearance of the goods is for reference only and is based on the latest information available at the time of publication.
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