The MikroTik CRS328-24P-4S+RM is an all-in-one smart PoE+ switch engineered to deliver flexible power delivery and multi-gigabit fiber trunking in modern networking environments. Purpose-built as a central distribution node for IP cameras, VoIP phones, wireless access points, and rack hardware, it simplifies cable infrastructure by supplying both high-speed data and configurable DC power over standard Ethernet lines.
At its core, the switch is driven by a Marvell 98DX3236 single-core processor running at 800 MHz, backed by 512 MB RAM and 16 MB flash storage. The device provides non-blocking switching throughput across 24x 10/100/1000 Mbps Gigabit Ethernet RJ45 ports and 4x 10 Gbps SFP+ cages (compatible with 1.25G SFP and 10G SFP+ modules). Each of the 24 Ethernet ports features smart auto-sensing PoE output, automatically detecting and delivering standard 802.3af/at PoE/PoE+ or manual Passive PoE (26 V or 53 V DC) with up to 30 W per port and a massive 450 W total PoE budget.
Housed in a 1U heavy-duty steel rackmount chassis with rack ears included, the CRS328-24P-4S+RM incorporates an internal 500 W power supply unit (100–240 V AC) with active temperature-controlled cooling fans. A signature feature is its "Dual Boot" operating system selector, enabling administrators to boot into simplified SwOS for fast Layer 2 wire-speed switching or full RouterOS Level 5 for advanced VLAN routing, firewalls, queues, and IPsec VPN capabilities.
Comprehensive Key Features
24x Smart Auto-Sensing PoE Ports: All 24 Gigabit Ethernet ports support automatic sensing of 802.3af/at PoE+ and Passive PoE (26 V / 53 V DC) up to 30 W per port.
4x 10G SFP+ Fiber Uplinks: Equipped with four 10 Gbps SFP+ cages for high-capacity optical fiber backhauls to core routers or servers.
Massive 450 W PoE Power Budget: Built-in 500 W internal AC power supply provides 450 W dedicated output capacity to power large camera and access point fleets.
Dual Boot Operating System: Choose between lightweight Web-configurable SwOS for Layer 2 switching or complete RouterOS Level 5 for Layer 3 enterprise routing.
Non-Blocking Layer 2 Performance: Delivering 64 Gbps non-blocking throughput, 128 Gbps switching capacity, and 95.2 Mpps forwarding rate.
1U Rackmount Steel Enclosure: Heavy-duty metal housing with included rack ears and temperature-regulated active cooling fans for 24/7 continuous operation.
Extended Technical Specifications
1. Hardware & Physical Parameters
Model / SKU: CRS328-24P-4S+RM
Dimensions: 0.443 m × 0.305 m × 0.044 m (443 × 305 × 44 mm)
Weight: 3.000 kg
CPU: Marvell 98DX3236 Single-Core @ 800 MHz
RAM: 512 MB
Storage: 16 MB Flash
SFP+ Cages: 4× 10 Gbps SFP+ Ports (supports 1.25G SFP and 10G SFP+ modules)
Console Port: 1× RJ45 Serial Console Port
Enclosure Material: 1U Heavy-Duty Steel Rackmount Chassis
Status LEDs: Power, User LED, Port Link/Activity and PoE Status Indicators
2. Wireless, Networking & Performance Parameters
Ethernet Ports: 24× 10/100/1000 Mbps RJ45 Ports
PoE-Out Standards: Auto-sensing 802.3af/at PoE+ & Passive PoE (26 V DC / 53 V DC)
Max Output Power per Port: 30 W
Max Total PoE Power Budget: 450 W
Switching Capacity: 128 Gbps
Non-Blocking Throughput: 64 Gbps
Forwarding Rate: 95.2 Mpps
Operating System: Dual Boot (MikroTik SwOS / RouterOS License Level 5)
Architecture: ARM 32-bit
3. Electrical & Environmental Parameters
Power Supply Type: Internal AC Power Supply (100 – 240 V AC)
Max Power Consumption: 500 W (44 W without attached PoE devices)
Cooling Type: Active Cooling (2x internal temperature-controlled fans)
Operating Temperature: -20°C to 60°C (-4°F to 140°F)
| brand | Mikrotik |