Name: J4121A#ABA HP ProCurve 4000M 40-Port 10/100Base-TX + 5 Expansion Module
Brand: HP
SKU: J4121A#ABA
Price: 429.56 USD
Availability: InStock
Rating: 4.8 (118 reviews)

Product Overview
The J4121A#ABA - HP ProCurve 4000M 40-P 10/100Base-TX + 5-P Expansion module supplies a robust Ethernet port expansion for HP chassis systems. It fits seamlessly into network infrastructures needing additional 10/100 Mbps connections and uplink flexibility. This module handles typical Ethernet traffic loads while allowing straightforward chassis-based scalability.

General Information
Brand	HP
Condition	Refurbished

Technical Information
Switch Type	Managed Switch, Modular Switch
Form Factor	Chassis-Based
Switch Ports	40
Number of Ports	40-Ports
Port Type	10/100Base-TX, SFP
Port Speed	10/100Base-TX
UpLink Ports	5
POE Support	No
VLAN Support	Yes
Max VLANs Supported	1-4094
NIM Slot	5
Stackable	No
Layer Support	Layer 2
Connector Type	RJ-45,SFP

Performance
Jumbo Frame Support	Up To 9216 Bytes

Management and Configuration
Routing Protocols	Static, RIP, OSPF
Remote Protocols	Yes
Management Interfaces	CLI,Web GUI,SSH,Telnet,SNMP,Serial Console (RJ-45)
Security Features	802.1X,Access Control Lists (ACL),Port Security,RADIUS,TACACS+
Management Type	Managed
Remote Management Protocol	SNMPv1/v2/v3,SSH,Telnet,HTTP/HTTPS

Physical Characteristics
Weight	3.00

Miscellaneous
Assembly Required	No
Compliance Standards	WEEE, RoHS, CE, FCC, UL
Compliant Standards	IEEE 802.3,IEEE 802.3u,IEEE 802.1Q,IEEE 802.1p,IEEE 802.3x

Product Description
The J4121A#ABA is a network switch module designed to deliver broad Ethernet connectivity within HP ProCurve 4000M chassis systems. It commonly supports mid-sized network backbones and enterprise environments seeking modular expansion to existing infrastructure. Network administrators and IT professionals often find this component valuable for scaling port capacity while maintaining consistent performance. Key Features Offers 40 10/100Base-TX ports optimized for fast Ethernet applications Five additional expansion ports enhance uplink and interconnection options Integrates smoothly into HP ProCurve 4000M chassis for modular scalability Employs efficient packet processing suited to diverse traffic loads Ensures reliable, managed connectivity within larger network architectures This switch module plays a vital role in expanding network access points without sacrificing operational stability. Its design supports ongoing network growth through straightforward system integration and dependable port performance. Reliability and consistent throughput make it a practical choice for maintaining well-organized network topologies.

Use Cases
The J4121A#ABA module typically appears in enterprise IT networks and data centers requiring flexible port expansion within chassis-based switches. It benefits environments that demand structured, high-port-density Ethernet access combined with scalability options. How It's Used: Expanding port capacity in HP ProCurve 4000M chassis for medium to large enterprise networks Providing additional uplink ports to connect with core routers or other network segments Supporting edge network devices requiring reliable 10/100 Mbps Ethernet connections Integrating into rack deployments where modular switch expansion is essential Maintaining segmented network zones through managed switch modules in storage or virtualization clusters This module supports operational efficiency by enabling scalable Ethernet port growth within existing chassis infrastructure. Its compatibility and steady performance help maintain network stability as connectivity demands evolve over time.