The MikroTik CRS520-4XS-16XQ-RM is an ultra-fast, future-ready Layer 3 managed switch designed for high-bandwidth environments like data centers, broadcast facilities, and large enterprise networks. Featuring 16 high-speed 100G QSFP28 ports and 4 additional 25G SFP28 ports, it eliminates the need for multiple devices while maintaining exceptional throughput and flexibility. Powered by a 2 GHz quad-core ARM CPU and 4 GB of DDR4 RAM, it supports advanced routing protocols (OSPF, BGP), ACLs, jumbo
| Ports | 16 x 100G QSFP28, 4 x 25G SFP28, 2 x 10G Ethernet |
| High-Speed Connectivity | 16×100G QSFP28 and 4×25G SFP28 ports ideal for aggregation and backbone infrastructure |
| Advanced Performance | Quad-core 2 GHz ARM CPU with 4 GB RAM for handling routing and Layer 3 processing |
| Versatile Ethernet | Includes 2×10G Ethernet ports for management or data transport |
| Hot-Swappable Components | Dual PSU slots (AC 100–240V) and 4 fans allow uninterrupted maintenance |
| Layer 3 and Routing Support | Supports OSPF, BGP, ACLs, jumbo frames, and L3HW Offloading |
| Model Number | CRS520-4XS-16XQ-RM |
| High-Speed Connectivity | 16×100G QSFP28 and 4×25G SFP28 ports ideal for aggregation and backbone infrastructure |
| Advanced Performance | Quad-core 2 GHz ARM CPU with 4 GB RAM for handling routing and Layer 3 processing |
| Versatile Ethernet | Includes 2×10G Ethernet ports for management or data transport |
| Hot-Swappable Components | Dual PSU slots (AC 100–240V) and 4 fans allow uninterrupted maintenance |
| Layer 3 and Routing Support | Supports OSPF, BGP, ACLs, jumbo frames, and L3HW Offloading |
| Reliable Architecture | Built on the 98CX8410 switch chip with 128MB NAND storage |
| Durable and Certified | Certified with CE, EAC, and RoHS compliance; MTBF of approx. 200,000 hours |
| Future-Proofed | Regular software updates with no licensing fees for at least 5 years |
| Model | CRS520-4XS-16XQ-RM |
Yes, the Mikrotik CRS520-4XS-16XQ-RM Managed Switch 16×QSFP28 4×SFP28 is currently in stock and available for immediate shipment from our Boulder, CO warehouse. Same-day shipping on orders placed before 2pm MT.
This CRS520-4XS-16XQ-RM is professionally refurbished or new-surplus enterprise hardware. Every unit is fully tested, factory-reset, and inspected before shipping. Cosmetic blemishes (rack marks, minor scuffs) may be present but never affect functionality.
The CRS520-4XS-16XQ-RM comes with the Eldo Systems Lifetime Warranty covering hardware defects. We are an independent reseller — manufacturer warranties do not apply, but our lifetime coverage matches or exceeds typical OEM terms.
Free ground shipping on every order, included in the price. Orders ship same-day if placed before 2pm MT (Mon–Fri). Expedited overnight and 2-day options are available at checkout for urgent deployments.
Yes — we ship worldwide. International orders are quoted individually so we can present accurate freight, duties, and lead time. Use the Request a Quote form or call (484) 630-1533 to start.
Absolutely. We offer volume discounts and project pricing for resellers, integrators, and end-users buying in quantity. Submit a quote with your target quantity and our team will respond within 15 minutes during business hours.
Get the CRS520-4XS-16XQ-RM from Eldo Systems with lifetime warranty and free ground shipping.
Independent Reseller Notice: Eldo Systems is an independent reseller of refurbished and new-surplus enterprise networking equipment. We are not affiliated with, authorized by, or endorsed by Cisco, Juniper, Arista, HPE, Dell, Meraki, Fortinet, Mellanox, NVIDIA, Finisar, or any other manufacturer listed on this site. All product names, logos, and brands are property of their respective owners. All products sold are refurbished or new-surplus unless otherwise noted. Manufacturer warranties do not apply; all items are covered by the Eldo Systems Lifetime Warranty.
Your cart is empty
