Mikrotik CRS320-8P-8B-4S+RM is a 20-port managed switch with 8 PoE++ 2.5G ports, 4 SFP+ uplinks, and dual OS support – ideal for high-demand wireless and surveillance setups.
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MikroTik CRS320-8P-8B-4S+RM is a professional 1U rackmount managed switch designed for high-power PoE deployments, enterprise networks, surveillance infrastructure, wireless access points, VoIP devices and other Ethernet-powered equipment. It combines 16 Gigabit Ethernet ports with PoE-Out and 4× 10G SFP+ ports for high-speed fiber uplinks and network aggregation.
The CRS320-8P-8B-4S+RM is MikroTik’s high-power PoE++ switch, supporting standard IEEE 802.3af, 802.3at and 802.3bt PoE standards. Eight Ethernet ports support 802.3af/at PoE-Out, while another eight ports support 802.3bt PoE-Out, making the switch suitable for powering a wide range of network devices from a centralized rack location.
The switch provides 16× 10/100/1000 Mbps Gigabit Ethernet ports. All 16 copper Ethernet ports support PoE-Out, allowing compatible powered devices to receive both network connectivity and electrical power through a single Ethernet cable.
This port arrangement makes the CRS320 particularly useful for deployments combining conventional PoE devices with higher-power PoE++ equipment.
One of the key features of the MikroTik CRS320-8P-8B-4S+RM is its high-power PoE capability. The switch supports 802.3af, 802.3at and 802.3bt, allowing it to power compatible devices such as wireless access points, IP cameras, VoIP phones and other PoE-enabled network equipment.
MikroTik specifies up to 963W total PoE output power. The maximum output current is specified at 17.82A, while the maximum per-port output is up to 560mA for 802.3af/at ports and up to 1667mA for 802.3bt ports under the specified input conditions. Actual available power depends on the power supply configuration and connected-device requirements.
Important: the total PoE budget should not be confused with the maximum power available from an individual port. The connected devices and their PoE class determine the power they can draw.
For high-speed backbone and aggregation connectivity, the CRS320 includes 4× 10G SFP+ ports. These interfaces support compatible 1G, 2.5G and 10G SFP/SFP+ modules depending on the selected transceiver and network configuration.
The SFP+ ports can be used for fiber uplinks to core switches, servers, aggregation switches, storage networks or other high-bandwidth network infrastructure. Using fiber uplinks can also help separate high-volume backbone traffic from the Gigabit access layer.
With 16 Gigabit PoE ports and four 10G SFP+ uplinks, the MikroTik CRS320-8P-8B-4S+RM can serve as an access or aggregation switch for networks where multiple powered devices need to connect to a centralized rack.
Typical applications include:
The CRS320-8P-8B-4S+RM runs RouterOS v7 and can also be configured to boot into SwOS. MikroTik documentation specifies RouterOS version 7 or above, with dual-boot to SwOS available through the RouterOS menu.
RouterOS provides the broader MikroTik networking environment, including advanced switching, VLAN, routing, firewall and management capabilities. SwOS provides a simpler switch-focused management interface for deployments where advanced RouterOS functionality is not required.
The CRS320 uses the Marvell 98DX226S switch chip and supports Layer 3 hardware offloading for supported RouterOS functions. Hardware offloading allows eligible traffic and routing operations to be handled by the switch chip, reducing CPU involvement for those functions.
The actual performance of a configured network depends on the selected features, routing design, packet sizes, traffic patterns and RouterOS configuration.
The CRS320 is designed around a high-power AC power architecture to support its substantial PoE budget. The unit accepts 100–240V AC input and is supplied with a 636W hot-swappable IEC power supply. A second matching hot-swappable power supply can be installed for increased power capacity and redundancy.
MikroTik specifies maximum power consumption of approximately 36W without connected PoE devices. Under maximum load, consumption can reach approximately 600W with one PSU and up to 1150W with the additional PSU configuration.
The CRS320-8P-8B-4S+RM uses a standard 1U rackmount form factor, making it suitable for professional network racks and server rooms. Rackmount ears are included for installation in a compatible rack enclosure.
The device is intended for indoor installation and should be placed in a dry, properly ventilated environment. MikroTik specifies an IP20 enclosure and an operating temperature range of approximately 0°C to +60°C in its current quick guide.
| Specification | Details |
|---|---|
| Brand | MikroTik |
| Model | CRS320-8P-8B-4S+RM |
| Device Type | Managed PoE++ Cloud Router Switch |
| Ethernet Ports | 16× 10/100/1000 Mbps Gigabit Ethernet |
| 10G Uplinks | 4× 10G SFP+ |
| PoE-Out Ports | 16 |
| PoE Standard | 802.3af / 802.3at / 802.3bt |
| Ether1–Ether8 | 802.3af/at PoE-Out |
| Ether9–Ether16 | 802.3bt PoE-Out |
| Maximum PoE Output | 963W |
| Switch Chip | Marvell 98DX226S |
| CPU | Dual-Core 800 MHz ARM |
| RAM | 256MB DDR3 |
| Storage | 32MB Flash |
| Operating System | RouterOS v7 with SwOS dual-boot support |
| RouterOS License | Level 5 |
| Power Input | 100–240V AC |
| Power Supply | 636W Hot-Swap IEC PSU |
| Additional PSU | Optional second 636W hot-swappable PSU |
| Form Factor | 1U Rackmount |
| Enclosure Rating | IP20 |
| Operating Temperature | 0°C to +60°C |
| Dimensions | 444 × 235 × 44 mm |
The CRS320 is suitable for centralized PoE distribution in IP surveillance networks. Its 16 Gigabit PoE-Out ports can provide network connectivity and power to compatible IP cameras, while the four 10G SFP+ ports can provide high-speed uplinks toward the core network or recording infrastructure.
For surveillance deployments, the actual PoE requirement should be calculated based on the camera models, IR illumination, heaters, motors and other connected accessories. The total PoE requirement should remain within the available switch power budget.
The high PoE capacity of the CRS320 makes it suitable for powering professional wireless access points. Standard 802.3af/at devices can be connected to the first eight PoE ports, while compatible 802.3bt devices can use the higher-power PoE++ ports.
This can simplify enterprise Wi-Fi deployments by reducing the need for separate power adapters and individual power cables at every access-point location.
The four 10G SFP+ interfaces allow the CRS320 to connect to high-speed network infrastructure. A typical architecture can use Gigabit PoE ports for edge devices and 10G SFP+ ports for uplinks toward a core switch, server, storage system or aggregation layer.
Actual 10G link performance depends on the SFP+ module, fiber or DAC cable, connected equipment and network configuration.
| Product | MikroTik CRS320-8P-8B-4S+RM |
| Category | Managed PoE++ Gigabit Switch |
| Copper Ports | 16× Gigabit Ethernet |
| Fiber Ports | 4× 10G SFP+ |
| PoE-Out | 16 ports |
| PoE Standards | 802.3af / 802.3at / 802.3bt |
| Maximum PoE Budget | 963W |
| CPU | Dual-Core 800 MHz ARM |
| RAM | 256MB DDR3 |
| Operating System | RouterOS v7 / SwOS dual boot |
| Form Factor | 1U Rackmount |
| Primary Applications | Enterprise PoE, CCTV, Wi-Fi, VoIP, ISP/WISP and 10G aggregation |
MikroTik CRS320-8P-8B-4S+RM is a 1U managed PoE++ switch with 16 Gigabit Ethernet PoE-Out ports and 4× 10G SFP+ uplink ports.
The CRS320 has 16 Gigabit Ethernet PoE-Out ports. Eight ports support 802.3af/at and eight ports support 802.3bt PoE-Out.
Yes. Eight of its Ethernet ports support IEEE 802.3bt PoE++, while the other eight support 802.3af/at.
MikroTik specifies a total PoE output capability of up to 963W under the specified operating conditions. The available power for connected devices depends on the installed power supply configuration and device requirements.
The MikroTik CRS320-8P-8B-4S+RM has four 10G SFP+ ports for high-speed fiber or compatible SFP+ connectivity.
Yes. The CRS320 supports RouterOS v7 and also provides dual-boot support for SwOS.
Yes. The CRS320-8P-8B-4S+RM is a 1U rackmount switch designed for installation in professional network racks.
Yes. Its 802.3af/at and 802.3bt PoE-Out ports can power compatible wireless access points and other PoE-enabled network devices.
Yes. The 16 PoE-Out ports can be used for compatible IP cameras, while the 10G SFP+ ports can provide high-speed uplinks to the core network or recording infrastructure.
Yes. It provides four 10G SFP+ ports, which can be used for fiber, DAC or compatible optical connectivity.
IPVOICE TECHNOLOGIES supplies MikroTik networking equipment for enterprise, ISP, WISP, CCTV, Wi-Fi and professional network infrastructure projects. For the MikroTik CRS320-8P-8B-4S+RM, contact us for current pricing, stock availability, GST billing and project-based requirements.
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