Mikrotik CRS520-4XS-16XQ-RM Overview
Mikrotik CRS520-4XS-16XQ-RM is a genuine campus and data-center switching product from MikroTik, a cost-effective networking brand widely used by ISPs, WISPs and small and mid-sized businesses. Belonging to the MikroTik family, the CRS520-4XS-16XQ-RM unit is built to the original factory specification, so it integrates with existing MikroTik deployments predictably and behaves exactly as the platform documentation describes. In the network, it is suited to access-layer and edge deployments, where reliable wiring-closet operation and straightforward management are the priorities.
This unit follows the original factory specification for the MikroTik family, covering its intended role without compatibility surprises. Standard mounting, cabling and management practices apply, and it interoperates with surrounding hardware using the same procedures as other MikroTik equipment already deployed in the network.
Typical deployments include access-layer deployments for user, phone and AP connectivity, distribution and core aggregation in campus networks, and top-of-rack and end-of-row switching in data centers. Organizations commonly source it for refresh programs, capacity expansion and spares management, keeping a tested unit on hand so outages stay short and replacements are predictable. The factory detail for this unit reads: “Mikrotik CRS520-4XS-16XQ-RM Cloud Router Switch with 16 x 100G QSFP28 ports, 4 x 25G SFP28 ports and 2 x 10G RJ45 ports”. This makes it a practical choice when original-spec hardware is required at a predictable cost.
Every unit at LinkNewNet is inspected and tested before dispatch, and stock is graded, cleaned and verified for correct operation, including port status, console access and firmware state. Our warranty coverage and responsive technical support protect the purchase after it arrives, and our team can confirm revision levels and software compatibility before you order. For volume requirements we also offer configuration checks and staged delivery options.
Contact our sales team for current availability, lead time and shipping options for the CRS520-4XS-16XQ-RM. We respond quickly with stock status and a firm quote, so you can plan the refresh or expansion with confidence.
Key Specifications
Applications
Enterprise Campus
High-density ports power users, phones and APs at the access layer.
Branch Office
Stackable units simplify branch deployment and management.
Wireless & IoT
PoE budget supports dense wireless and IoT endpoints.
Buying a Pre-Owned CRS520-4XS-16XQ-RM
Verify the unit is tested, firmware confirmed, and condition documented. Every unit is fully tested and warranty covered. Contact our team for current stock and availability.
Specifications
| Details | |
|---|---|
| Product code | CRS520-4XS-16XQ-RM |
| Architecture | ARM 64bit |
| CPU | AL52400 |
| CPU core count | 4 |
| CPU nominal frequency | 2 GHz |
| Switch chip model | 98CX8410 |
| RouterOS license | 5 |
| Operating System | RouterOS v7 |
| Size of RAM | 4 GB |
| Storage size | 128 MB |
| Storage type | NAND |
| MTBF | Approximately 200'000 hours at 25C |
| Tested ambient temperature | -20°C to 50°C |
Powering
| Details | |
|---|---|
| Number of AC inputs | 2 |
| AC input range | 100-240 |
| Number of PSU slots | 2 |
| Frequency (Hz) | 50-60 |
| Max power consumption | 150 W (220 W with both PSUs) |
| Max power consumption without attachments | 123 W |
| Cooling type | 4 fans |
Ethernet
| Details | |
|---|---|
| Number of 1G/2.5G/5G/10G Ethernet ports | 2 (supported: 10M/100M/1G/10G) |
Fiber
| Details | |
|---|---|
| Number of 25G SFP28 ports | 4 |
| Number of 100G QSFP28 ports | 16 |
Peripherals
| Details | |
|---|---|
| Serial console port | RJ45 |
Other
| Details | |
|---|---|
| CPU temperature monitor | Yes |
| PCB temperature monitor | Yes |
| Voltage Monitor | Yes |
Certification & Approvals
| Details | |
|---|---|
| Certification | CE, EAC, ROHS |
| IP | 20 |
