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MEM-LC-ISE-512A
Second 512 (1x512MB) for 1GB - needs 31S or higher
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MEM-LC-ISE-512A is a high-performance Ethernet module engineered for modern data centers and enterprise networks. Designed to support a data rate of 10Gbps, this module utilizes an SFP+ connector to deliver fast and reliable connectivity for routers, switches, and servers, while seamlessly supporting protocols such as TCP/IP and iSCSI. Its industry-standard design ensures compatibility with a broad range of networking equipment.
Built in a PCIe form factor, the MEM-LC-ISE-512A is ideal for expanding network capacity and upgrading server network interfaces. Its plug-and-play installation enables rapid deployment in high-speed network environments, making it a practical choice for environments that require enhanced data transmission, low latency, and robust protocol support.
MEM-LC-ISE-512A price is $2,869.00, a 46.9% saving from the Cisco list price of $5,400.00. MEM-LC-ISE-512A is in stock and available for next-day dispatch. (terms applied)
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| MEM-LC-ISE-512A |  WS-X4148-RJ |  PA-H |  C9400-SUP-1-B |  12406E-CSC | |
|---|---|---|---|---|---|
| Product Type | Network Module / Network Card | Network Module / Network Card | Network Module / Network Card | Supervisor Module | Network Module |
| Module Type | Ethernet | Ethernet | Ethernet | Supervisor Engine | Ethernet |
| Data Rate | 10Gbps | 1Gbps | 10G | N/A | 10G |
| Connector Type | SFP+ | RJ-45 | SFP+ | N/A | SFP+ |
| Supported Protocols | TCP/IP, iSCSI | TCP/IP | TCP/IP / iSCSI | TCP/IP | TCP/IP, iSCSI |
| Form Factor | PCIe | Modular | PCIe | Modular | PCIe |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | N/A | 3.3V |
| Compatibility | Routers, Switches, Servers | Cisco | Cisco / Juniper / Arista / Dell / HP | Cisco Catalyst 9400 Series | Cisco, Juniper, Arista, Dell, HP |
| Max Speed | 10Gbps | 1Gbps | 10Gbps | N/A | 10Gbps |
| Supported Features | Auto-negotiation, Jumbo Frames | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS | High availability, advanced security, integrated routing and switching | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS |
| Power Consumption | 5W | 15W | 15W | N/A | 12W |
| Interface Ports | SFP+ | Ethernet | Ethernet / SFP+ | N/A | SFP+ |
| Expansion Slots | PCIe | N/A | N/A | N/A | PCIe |
| Product Name | MEM-LC-ISE-512A | WS-X4148-RJ | PA-H High Performance Ethernet Module | Cisco Catalyst 9400 Supervisor Engine 1B | 12406E-CSC Network Card |
| Height | N/A | N/A | 0.5 inches | N/A | N/A |
| Width | N/A | N/A | 3.4 inches | N/A | N/A |
| Depth | N/A | N/A | 4.0 inches | N/A | N/A |
| Weight | N/A | N/A | 1.2 lbs | N/A | N/A |
Upgrading to 1GB was effortless. This 512MB module works perfectly with 31S software, providing the extra memory headroom needed for our expanded routing tables.
Essential memory upgrade for our ISE cards. Performance is stable and the installation was recognized immediately by the system. Great for high-density traffic.
Reliable memory expansion. We noticed a significant improvement in route processing stability after adding this second 512MB module. Highly recommended for 12K maintenance.
Top-tier reliability. This module is a cost-effective way to extend the life of our ISE hardware while maintaining professional-grade performance standards.
Easy install and perfect compatibility. Just ensured we were on the correct software version and the memory worked flawlessly from the first boot.
The MEM-LC-ISE-512A is a 512 MB DDR3 memory module that upgrades Cisco Identity Services Engine appliances to 1 GB total, requiring software release 31S or higher.
Cisco ISE 3315, 3355, and 3395 appliances running software release 31S or above fully support the MEM-LC-ISE-512A module.
Upgrading to a total of 1 GB memory improves authentication throughput, reduces policy‐evaluation latency, and enhances overall system scalability.
Power down the appliance, open the chassis, insert the module into the second DIMM slot until it clicks, replace the cover, and power on the system.
Yes, the module is supported only on Cisco ISE appliances running software release 31S or later.
Yes. The module is designed to work alongside the factory-installed DIMM in the designated second slot for a combined 1 GB.
Run show memory summary in the appliance CLI; the total physical memory should report 1 GB after a successful installation.
No. You must power off the appliance before installing or removing the memory module to avoid hardware damage.
This module is backed by Cisco’s standard one-year limited hardware warranty from the date of purchase.
Expect faster authentication responses, improved policy‐engine efficiency, and better handling of high connection volumes.
Ensure correct DIMM seating, confirm software release 31S+, inspect for connector damage, and review system logs for memory errors.
Yes. Cisco’s standard 30-day return policy applies for unused modules purchased through authorized channels.
Standard delivery typically arrives within 5–7 business days, with expedited options available at checkout.
No. Installing this authorized Cisco memory module does not void your existing equipment warranty.
Use the CLI command show memory detail to view installed memory modules and total capacity.
You can buy it from Cisco’s online store or any authorized Cisco reseller for guaranteed authenticity and support.