Name: CRS328-4C-20S-4S+RM Mikrotik 20x1Gbps SFP 4x10Gbps SFP+ Managed Switch
Brand: MikroTik
SKU: CRS328-4C-20S-4S+RM
Price: 726.27 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The CRS328-4C-20S-4S+RM provides a versatile platform combining 1Gbps and 10Gbps fiber connections with flexible port options that support both fiber and copper interfaces. It fits well in rack-mounted setups for enterprise or data center networks, offering managed features that allow detailed network control suited for professional IT environments.

General Information
Brand	MikroTik
Part Number	CRS328-4C-20S-4S+RM
Condition	Refurbished

Technical Information
Number of Ports	28-Ports
Port Type	1000Base-X, 10G SFP+, Combo RJ-45/SFP, RJ-45, SFP, SFP+, Serial Console (RJ-45)
Port Speed	1 Gbps,10 Gbps
UpLink Ports	4 x 10G SFP+
POE Support	No
VLAN Support	Yes
Max VLANs Supported	1-4094
Stackable	No
Layer Support	Layer 3
Connector Type	SFP,SFP+,Combo RJ-45/SFP,RJ-45

Performance
Jumbo Frame Support	Up To 9216 Bytes

Management and Configuration
Routing Protocols	Static, RIP, RIPng, OSPF, OSPFv3, BGP, VRRP, PIM-SM, IGMP, Policy-Based Routing (PBR)
Remote Protocols	Yes
Management Interfaces	Web GUI (WebFig), Winbox, CLI (SSH/Telnet), Serial Console (RJ-45), SNMP
Security Features	Access Control Lists (ACL), 802.1X authentication, Port security, Storm control
Management Type	Web GUI, CLI (SSH/Telnet), Winbox, SNMP
Security	802.1X, ACL, Port Security
Remote Management Protocol	HTTP, HTTPS, SSH, Telnet, SNMP
Routing Protocol	RouterOS (supports routing features)

Power & Cooling
Fans	1 (rear)

Physical Characteristics
Dimensions	44 x 442 x 197 mm
Weight	5.00
Operating Temperature	0°C to 50°C

Miscellaneous
Compliance Standards	RoHS, CE, FCC
Compliant Standards	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3z, IEEE 802.1Q, IEEE 802.1p, IEEE 802.1D

Product Description
The CRS328-4C-20S-4S+RM is designed to handle high-density networking environments that require a mix of gigabit and 10 gigabit connections. It’s often found in data centers, server rooms, and large office networks where scalable and flexible connectivity is crucial. Network administrators and IT professionals use this switch to efficiently manage traffic and optimize performance across various devices. Built for reliability and versatility, this switch supports both fiber optic and copper connections, making it suitable for diverse network setups. Its managed capabilities give users control over network configuration and monitoring, ensuring smooth operation in demanding setups. Key Features High port density with 20 SFP and 4 SFP+ ports for flexible fiber connections Combo ports offer choice between SFP or RJ-45 for copper flexibility Managed switch functions enable detailed traffic control and monitoring Rack-mount 1U form factor fits standard server racks neatly Robust hardware suitable for continuous operation in enterprise environments This switch is commonly deployed in environments where both high-speed uplinks and numerous gigabit links are needed together. It plays a key role in connecting servers, storage units, and other network equipment, helping maintain a stable and efficient network backbone.

Use Cases
The CRS328-4C-20S-4S+RM is suited for enterprise and data center environments that require a mix of high-density 1Gbps and 10Gbps fiber connectivity with flexible copper fallback options. IT professionals managing multi-site networks or virtualization platforms will find this managed switch ideal for integrating diverse network segments while maintaining centralized control. How It's Used: Deploying aggregation layers in data centers to interconnect storage clusters and compute nodes with low latency 10Gbps links. Supporting campus and enterprise LANs that demand scalable 1Gbps fiber uplinks combined with copper ports for legacy device connectivity. Implementing edge computing nodes where a compact, rack-mountable switch consolidates fiber and copper network feeds efficiently. Facilitating managed network segments in multi-tenant office buildings, providing VLAN isolation with high-speed SFP+ backhaul. Integrating virtualization environments requiring precise traffic segmentation and bandwidth control via a managed switch platform. This switch supports operational efficiency by enabling flexible port configurations and high throughput, which is essential for growing network infrastructures. Its rack-mount design and management capabilities help maintain performance consistency and simplify network scaling in professional IT environments.