MikroTik CRS328-4C-20S-4S+RM Overview
MikroTik CRS328-4C-20S-4S+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 CRS328-4C-20S-4S+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 CRS328-4C-20S-4S+RM Switch | 28 Ports | 10G SFP+ | Combo 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 CRS328-4C-20S-4S+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 CRS328-4C-20S-4S+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 | CRS328-4C-20S-4S+RM |
| Architecture | ARM 32bit |
| CPU | 98DX3236 |
| CPU core count | 2 |
| CPU nominal frequency | 800 MHz |
| Switch chip model | 98DX3236 |
| Dimensions | 443 x 194 x 44 mm |
| RouterOS license | 5 |
| Operating System | RouterOS / SwitchOS |
| Size of RAM | 512 MB |
| Storage size | 16 MB |
| Storage type | FLASH |
| MTBF | Approximately 200'000 hours at 25C |
| Tested ambient temperature | -20°C to 60°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 | 43 W |
| Cooling type | 2 fans |
Ethernet
| Details | |
|---|---|
| Ethernet Combo ports | 4 |
Fiber
| Details | |
|---|---|
| SFP ports | 20 |
| SFP+ ports | 4 |
Peripherals
| Details | |
|---|---|
| Serial console port | RJ45 |
Other
| Details | |
|---|---|
| CPU temperature monitor | Yes |
| Voltage Monitor | Yes |
| Mode button | Yes |
Certification & Approvals
| Details | |
|---|---|
| Certification | CE, EAC, ROHS |






