MikroTik CRS354-48P-4S+2Q+RM 48-Port PoE 40G Switch
The MikroTik CRS354-48P-4S+2Q+RM is a high-density 1U rackmount dual-boot PoE switch — QCA9531 single-core MIPSBE at 650 MHz, 128 MB RAM, 32 MB flash, RouterOS v7 License 5 or SwitchOS, 48× GbE 802.3af/at PoE-out (auto-sensing + passive PoE + low voltage PoE) + 4× SFP+ 10G + 2× QSFP+ 40G, 168 Gbps non-blocking throughput, 336 Gbps switching capacity, 235 Mpps forwarding rate, 1× AC input 100–240V, 700W total PoE output, 800W max / 85W without attachments, 4 fans, RJ45 serial console, IP20, 443 × 382 × 44 mm, -20°C to +60°C, MTBF ~200,000 hours at 25°C. CE, EAC, RoHS — no FCC, no IC. Includes IEC cord, cable management brackets, rackmount ears, rear support ears, K-48 fastening set. Free software updates for life of product or minimum 5 years from purchase.
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The MikroTik CRS354-48P-4S+2Q+RM is a high-density 1U rackmount dual-boot PoE switch — 48× GbE 802.3af/at PoE-out, 4× SFP+ 10G, and 2× QSFP+ 40G, with 700W total PoE budget and 168 Gbps non-blocking throughput, running RouterOS v7 License 5 or SwitchOS.
**48× GbE auto-sensing PoE-out — passive, low voltage, 802.3af/at on every port**
All 48 GbE ports auto-sense and deliver passive PoE, low voltage PoE, and 802.3af/at (Type 1 / Type 2 PoE+) — no manual mode selection required per port. Total PoE output: 700W at 27A/26V or 13.2A/53V. Powers the largest deployments — 48 APs, cameras, or IP phones from a single switch without a separate PoE injector rack.
**2× QSFP+ 40G — direct 40G uplinks to core**
Two QSFP+ 40G ports enable direct high-speed uplinks to core switches and routers — no 10G bottleneck on spine connections. 4× SFP+ 10G ports provide additional uplink or inter-switch connectivity.
**168 Gbps non-blocking throughput — 336 Gbps switching capacity**
98DX3257 switch chip — 168 Gbps non-blocking throughput, 336 Gbps switching capacity, 235 Mpps forwarding rate. No oversubscription at full 48-port GbE line rate with simultaneous 10G and 40G uplink traffic.
**Dual boot — RouterOS L5 or SwitchOS**
Boot into SwitchOS for lightweight web-managed Layer 2 — VLAN, port isolation, STP/RSTP, mirroring, bandwidth limiting. Boot into RouterOS v7 License 5 for full Layer 3 routing, firewall, NAT, and scripting. Both OSes preinstalled and licensed. Free software updates for the life of the product or minimum 5 years from purchase.
**Canadian market note:** CE, EAC, RoHS only — no FCC, no IC. Wired switch, no wireless transmitter — no ISED wireless type approval required.
- Product code
- CRS354-48P-4S+2Q+RM
- Operating System
- -20°C to +60°C
RouterOS (License level 5) - Size of RAM
- 64 MB
- Storage size
- 16 MB flash
- Max Power consumption
- 800 W
Max power consumption without attachments 85 W - PoE out
- Ether1 - Ether48
IEEE 802.3at/af and 26 or 53 V Passive PoE
Max total out (high voltage 53 V)
Max total out (low voltage 26 V)
PoE-out max per port (high voltage 53 V)
PoE-out max per port (low voltage 26 V) - 10/100/1000 Ethernet ports
- 48
- 10/100 Ethernet ports
- 1
- Dimensions
- 443 x 382 x 44 mm
- AC input range
- AC power supply 100 - 240 V
- 10G SFP+ ports
- 4
- 40G QSFP+ ports
- 2
