MikroTik CRS504-4XQ-IN 40G QSFP Core Switch

The MikroTik CRS504-4XQ-IN 40G QSFP Core Switch is a high-performance indoor cloud router switch designed for core and aggregation roles in enterprise and data center networks. Offering 4×40G QSFP uplink ports and 8×10G SFP downlink ports, it delivers a powerful 480 Gbps switching capacity with non-blocking throughput. Featuring dual-boot OS, redundant power supply support, and intelligent fan cooling in a compact 1U rackmount chassis, it ensures reliable Layer 2 /Layer 3 switching with advanced VLAN, LACP, and security features for demanding environments. Here are the very detailed specifications for the MikroTik CRS504‑4XQ‑IN, ideal for data centers, enterprise cores, or compact 100 Gbps deployments: Product Overview Model: CRS504‑4XQ‑IN Type: Cloud Router Switch (Indoor, rack/desktop) Form Factor: 1U chassis Dimensions: 320 × 185 × 44 mm Architecture: MIPSBE Operating System: RouterOS v7 (dual-boot with SwitchOS), Level 5 license Ingress Rating: IP20 MTBF: ~200,000 hours @ 25 °C Operating Temp: –40 °C to 70 °C CPU & Memory CPU: Qualcomm QCA9531, single-core @ 650 MHz RAM: 64 MB Storage: 16 MB NAND flash Connectivity 100 Mbit RJ45 Port: 1 (management only) QSFP28 Ports: 4 × 100 Gbps each, supports break‑out to 4×25 GbE lines Console Port: 1 × RJ45 serial CRS504-4XQ-IN 40G QSFP Core Switching & Performance Switch Chip: Marvell 98DX4310 Layer 1 Throughput: 800 Gbps (non-blocking) Layer 2 Throughput: ~789–800 Gbps (depending on packet size) Forwarding Rate: 64 B: ~59 Mpps (Layer 2) 512 B: ~94 kpps 1518 B: ~32 kpps Power & Cooling AC Inputs: 2 × 100–240 V, dual hot-swappable PSU support DC Inputs: 3 (DC jack 2-pin terminal PoE-in) DC: 36–57 V PoE‑in: 43–57 V (802.3bt) Power Draw: Idle (no attachments): ~25 W Max: ~41 W Cooling: 2 temperature-controlled fans Monitoring & Management Sensors: CPU temp, PCB temp, voltage monitoring Management Tools: CLI, WebFig, WinBox, SNMP, serial console Layer 2 Features: VLAN, STP/RSTP/MSTP, LACP, ACLs, IGMP snooping, port mirroring Certifications & Compliance Certifications: CE, EAC, RoHS IP Rating: IP20 (indoor use) Package Contents CRS504‑4XQ‑IN unit 2 × IEC AC power cords Rackmount ears with screws Quick start guide & documentation ports Meta Description MikroTik CRS504-4XQ-IN 40G QSFP Core Switch: 4×40G QSFP uplinks, 8×10G SFP ports, 480 Gbps switching, dual-boot OS, redundant PSUs, and smart cooling — ideal indoor switch for data centers and enterprise cores. Datasheet