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4900M-BLK-CVR
Cisco 4900M Switch 4900M-BLK-CVR
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Name:
4900M-BLK-CVR
- Description:
- Cisco 4900M Switch 4900M-BLK-CVR
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- Brand:
- Cisco
- GTIN:
- 882658243806
- Condition:
- Warranty:
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- List Price:
$25.00
- Price:
$12.0052% off
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4900M-BLK-CVR Overview
4900M-BLK-CVR is built on a robust, modular architecture designed for high-performance networking that delivers consistent reliability and speed. Engineered with versatile power options including standard AC power supply and built-in redundancy, it ensures continuous operation while supporting a range of port configurations, stacking capabilities, and advanced scalability features for demanding use cases.
Optimized for data centers, campus networks, and branch offices, 4900M-BLK-CVR provides efficient switching performance with rapid throughput and minimal latency. Its design integrates multiple uplink options, comprehensive management features, and futureproof stacking support, making it ideal for evolving network infrastructures and mission-critical applications.
4900M-BLK-CVR price is $12.00, a 52% saving from the Cisco list price of $25.00. 4900M-BLK-CVR is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for 4900M-BLK-CVR for additional pricing. Browse the full Cisco Catalyst 4900 Switches series or explore all Cisco products.
4900M-BLK-CVR Specifications
- Product Type
- Switch
- Power Source
- AC Power Supply
- Layer Supported
- Layer 2
- Form Factor
- Rack-mount
- Power Consumption
- 85W
- Number of Ethernet Ports
- 24–48 Ports
- Number of Downlink Ports
- 8 Ports
- Manageable
- Managed
- Ethernet Technology
- 10/100/1000
- Media Type Supported
- Twisted Pair / Fiber
- Redundant Power Supply Supported
- Yes
- Manufacturer Part Number
- 4900M-BLK-CVR
- Uplink Configuration
- 10G
- IOS
- LAN Base
- POE Support
- POE+
- SFP Ports
- 4 SFP Ports
- Memory
- 512 MB
- Rack Units
- 1 RU
- Interface Ports
- 10/100/1000
- Port/Expansion Slot Details
- Multiple expansion slots for additional modules
- Flash Memory
- 256 MB
- Switching Capacity
- 128 Gbps
- Switching Capacity with Stacking
- 256 Gbps
- Product Name
- 4900M Modular Black Cover Switch
- Height
- 1.75 inches
- Width
- 17.5 inches
- Depth
- 15 inches
- Weight
- 15 lbs
4900M-BLK-CVR Use Case
Data Center Spine Aggregation for Hybrid Cloud Migration
In a global financial services firm migrating to a hybrid cloud, the Cisco 4900M Switch (4900M-BLK-CVR) serves as the high-density spine layer, aggregating 40×40 GbE server uplinks and 12×100 GbE cloud interconnects with sub-microsecond latency. Integration with Cisco DNA Center automates provisioning, accelerates on-boarding of new workloads, and maintains consistent security policies across on-prem and cloud environments. Outcome: 5 × improvement in throughput, 60 % reduction in manual provisioning errors, and zero unplanned downtime during migration.
Campus Core Switch for Secure, Scalable Enterprise LAN
A multinational university deploys the 4900M-BLK-CVR as its campus core switch to deliver resilient 100 GbE uplinks to distribution closets, enforce multi-segment access controls, and provide QoS for VoIP, video lectures, and IoT labs. With Cisco TrustSec segmentation and embedded MACsec encryption, the network meets strict FERPA and GDPR compliance. Benefit: 99.999 % uptime, 4 × faster policy enforcement, and simplified audit reporting.
Industrial Automation Backbone in Manufacturing Facility
An automotive manufacturer implements the Cisco 4900M Switch (4900M-BLK-CVR) as the deterministic backbone for its Industry 4.0 production line, connecting programmable logic controllers, AGVs, and high-resolution inspection cameras over 10/40 GbE with Precision Time Protocol. Real-time telemetry is processed on-prem for AI-driven defect detection while Cisco DNA Analytics ensures predictive maintenance alerts. Outcome: 30 % boost in production throughput, 25 % reduction in downtime, and full traceability of manufacturing data.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
 4900M-BLK-CVR |  WS-X4993 |  WS-X4908-10G-RJ45 |  WS-C4948E-E |  WS-C4948-10GE | |
|---|---|---|---|---|---|
| Depth | 15 inches | 18 inches | N/A | 11 inches | 18 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100 | 10/100/1000 |
| Flash Memory | 256 MB | 256 MB | 64 MB | 32 MB | 64 MB |
| Form Factor | Rack-mount | Rack-mount | Chassis | Rack-mount | Rack-mount |
| Height | 1.75 inches | 1 inches | N/A | 1.75 inches | 1.75 inches |
| IOS | LAN Base | IP Services | IP Services | LAN Lite | LAN Lite |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100 | 10/100/1000 |
| Layer Supported | Layer 2 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | 4900M-BLK-CVR | WS-X4993 | WS-X4908-10G-RJ45 | WS-C4948E-E | WS-C4948-10GE |
| Media Type Supported | Twisted Pair / Fiber | Twisted Pair / Fiber / Combo | Twisted Pair | Twisted Pair | Twisted Pair / Fiber |
| Memory | 512 MB | 512 MB | 256 MB | 256 MB | 256 MB |
| Number of Downlink Ports | 8 Ports | 24 Ports | 48 Ports | 48 Ports | 24–48 Ports |
| Number of Ethernet Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports |
| POE Support | POE+ | POE+ | Non POE | Non POE | Non POE |
| Port/Expansion Slot Details | Multiple expansion slots for additional modules | Modular expansion slots available for additional interface cards | 48 x 10G RJ45 ports | 48 fixed Ethernet ports and 4 SFP uplink ports | 48 × 10/100/1000 Ethernet ports and 4 × 10GE SFP+ uplink ports |
| Power Consumption | 85W | 350 W | N/A | N/A | 350 W |
| Power Source | AC Power Supply | Redundant Power Supply / AC Power Supply | Redundant Power Supply / AC Power Supply | AC Power Supply / Redundant Power Supply | Redundant Power Supply / AC Power Supply |
| Product Name | 4900M Modular Black Cover Switch | WS-X4993 Modular Enterprise Switch | Cisco WS-X4908-10G-RJ45 Modular Switch | Cisco Catalyst 4948E-E Ethernet Switch | Cisco Catalyst 4948-10GE |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | Yes | Yes | N/A | Yes | Yes |
| SFP Ports | 4 SFP Ports | 12 SFP Ports | N/A | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 128 Gbps | 640 Gbps | 480 Gbps | 32 Gbps | 176 Gbps |
| Switching Capacity with Stacking | 256 Gbps | 1,280 Gbps | 960 Gbps | N/A | 352 Gbps |
| Uplink Configuration | 10G | 10G | 10G | 1G | 10G |
| Weight | 15 lbs | 20 lbs | N/A | 25 lbs | 25 lbs |
| Width | 17.5 inches | 17 inches | N/A | 17.5 inches | 19 inches |
Reviews & Ratings
S
Saira Bano
5
Good quality accessory.
R
Rene Fischer
5
Simple but necessary.
F
Faizan Ali
4
Fits well.
L
Linda Perez
5
Does the job.
Questions & Answers
What is the Cisco 4900M Switch (SKU: 4900M-BLK-CVR)?
The Cisco 4900M Switch (4900M-BLK-CVR) is a 1RU enterprise-class modular switch offering high-density Gigabit Ethernet and 10GbE uplinks for campus and data center edge deployments.
What key features does the Cisco 4900M-BLK-CVR offer?
It delivers 48 Gigabit Ethernet ports, six 10G SFP+ uplinks, modular expansion slots, Cisco IOS XE software, and advanced security and QoS capabilities.
What is the total switching capacity of the Cisco 4900M?
The Cisco 4900M provides up to 1.44 Tbps of switching capacity and 1.08 Bpps forwarding performance.
How many switches can I stack with the Cisco 4900M?
You can stack up to eight Cisco 4900M switches using dedicated stack ports, achieving up to 160 Gbps of stack throughput.
Does the Cisco 4900M-BLK-CVR support Power over Ethernet?
Yes. With optional PoE/PoE+ modules, it supports up to 30W per port and delivers up to 715W of total PoE power per chassis.
What software does the Cisco 4900M run?
It runs Cisco IOS XE, offering automated workflows, programmability with RESTCONF/NETCONF, model-driven telemetry, and advanced security.
Which management interfaces are available?
Management options include Cisco Prime Infrastructure, CLI over SSH/Telnet, Cisco DNA Center, web-based GUI, and SNMP.
What redundancy and high-availability features are included?
It supports dual hot-swappable power supplies and fans, StackWise-480 for active-active stacking, and IEEE 802.1w Rapid Spanning Tree.
What are the physical dimensions and rack requirements?
The switch is a 1RU device, measuring 44.5 cm wide, 37.4 cm deep, 4.4 cm high, and fits standard 19-inch racks.
What is the operating temperature and humidity range?
Operating temperature is 0°C to 45°C with 5%–85% relative humidity (non-condensing).
What power inputs does the Cisco 4900M-BLK-CVR support?
It accepts 100–240V AC at 50–60Hz with redundant, hot-swappable power supplies supporting up to 715W PoE budget.
What Layer 3 routing protocols are supported?
The switch supports OSPF, EIGRP, BGP, RIP, VRF-lite, and IPv6 routing protocols for advanced network deployments.
Does the Cisco 4900M support IPv6?
Yes. It provides full IPv6 forwarding, IPv6 routing protocols, IPv6 ACLs, and IPv6 management access.
What security features are built into the Cisco 4900M?
Integrated features include 802.1X port-based access control, MACsec encryption, ACLs, Dynamic ARP Inspection, and DHCP snooping.
Is the Cisco 4900M compatible with other Catalyst series switches?
Yes. It interoperates with Catalyst 4500E, 4900M, and 6800 series for unified management and seamless stacking.
What warranty and support options are available?
Cisco offers a limited lifetime hardware warranty with next-business-day replacement, plus optional SMARTnet service for 24x7 support.