MikroTik CRS328-24P-4S+RM 24-Port PoE Rackmount Switch

The MikroTik CRS328-24P-4S+RM 24-Port PoE Rackmount Switch is a robust 1U rackmount cloud router switch engineered for high-performance PoE deployments in enterprise and ISP environments. It features 24 Gigabit Ethernet ports with PoE-out support, delivering up to 30W per port, and a total PoE budget of 450W, making it ideal for powering access points, IP cameras, and VoIP phones. Additionally, it includes 4 high-speed 10G SFP+ uplink ports, enabling scalable fiber connectivity. With dual operating systems (RouterOS and SwOS), intelligent Layer 2 switching capabilities, and a built-in redundant power supply, the CRS328-24P-4S+RM provides exceptional versatility, reliability, and centralized power distribution for modern network infrastructures. Here are the very detailed specifications for the MikroTik CRS328‑24P‑4S+‑RM,

---

📦 Product Overview

• Model: CRS328‑24P‑4S+‑RM
• Ports: 24 × 10/100/1000 Mbps Ethernet (PoE‑out), 4 × 10G SFP+, 1 × RJ45 console
• Form Factor: 1U rackmount, 443 × 300 × 44 mm
• Dual‑boot OS: RouterOS (Level 5) or SwOS

---

⚙️ CPU & Memory

• CPU: 1 core, 98DX3236 ARM @ 800 MHz
• RAM: 512 MB
• Storage: 16 MB flash
• MTBF: ~200,000 hours @ 25 °C

---

🔌 Power & Cooling

• AC Input: 100–240 V (internal 500 W PSU)
• Power Draw (idle): ~44 W (excluding PoE)
• PoE Budget: ~450 W total (~150 W per 8 ports)
• Per-port Output: Up to 30 W (high‑voltage), 26 W (low‑voltage); auto‑sensing for passive, 802.3af/at
• Fans: 2 × temperature‑controlled fans

---

🌐 Switching Performance

• Switch Chip: 98DX3236
• Switching Capacity: 128 Gbps (non‑blocking)
• Forwarding Rate: 95.2 Mpps
• Packet Buffer: Not specified
• MAC Table: 16,000 entries
• Jumbo Frames: Supports up to 10,218 bytes

---

🔧 CRS328-24P-4S+RM 24-Port PoE Networking Features

• Layer 2: VLAN (802.1Q, Q-in-Q, up to 4K VLANs), STP, RSTP, MSTP, IGMP Snooping
• Link Aggregation: 802.3ad (LACP) & static trunking
• Security: ACLs, port isolation, port security, broadcast‑storm control
• Other: Port mirroring, SNMP, MikroTik neighbor discovery

---

🌡️ Environmental Specs

• Operating Temp: –20 °C to +60 °C
• Storage Temp: up to +70 °C
• Weight: ~2.1 kg (per similar rack‑mount CRS)
• Certifications: CE, FCC, RoHS, IEC‑compliant

---

🛠️ Use-case Applications

• Powering up to 24 PoE devices (cameras, APs, VoIP) with 450 W budget
• Aggregation layer with 4 × 10 GbE uplinks
• Ideal for racks in office, campus, and ISP networks
• Flexible deployment: use as Layer 2 switch or RouterOS Layer 3 device

Meta Description

MikroTik CRS328-24P-4S+RM 24-Port PoE with 4×10G SFP+, 450W PoE budget, dual AC PSU, and dual OS for enterprise and ISP networks

Datasheet