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ASA5540-MEM-2GB=
2GB MEMORY FOR CISCO ASA 5540
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ASA5540-MEM-2GB= is a high-quality DDR4 computer memory module designed in a UDIMM form factor and built for single-channel configurations. It features a speed of 2400 MHz with a CAS latency of CL16 and operates at a low voltage of 1.2V. The non‐ECC, unbuffered design makes it an ideal fit for desktop builds, while its integrated heatspreader ensures efficient thermal management without any RGB lighting distractions.
ASA5540-MEM-2GB= is perfectly suited for general use in mainstream workstations and desktop systems, providing reliable performance without unnecessary extras. Its compact module size, meant for optimized system compatibility, ensures that it can seamlessly integrate into a variety of builds where dependable, no‐nonsense memory performance is essential.
ASA5540-MEM-2GB= price is $144.67, a 78% saving from the Cisco list price of $657.57. ASA5540-MEM-2GB= is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for ASA5540-MEM-2GB= for additional pricing. Browse the full Asa 5500 series or explore all Cisco products.
A multinational corporation upgrades its Cisco ASA 5540 with ASA5540-MEM-2GB to support an additional 500 concurrent SSL VPN users during peak work-from-home periods. This memory expansion ensures low-latency authentication, sustained throughput, and seamless connectivity, reducing login failures by 40% and maximizing remote workforce productivity.
A financial trading firm leverages ASA5540-MEM-2GB on its ASA 5540 to enable advanced IPS signatures and SSL inspection across 2 Gbps of traffic. The extra 2 GB of RAM sustains deep packet inspection at line rate, slashing false positives by 30% and strengthening protection against zero-day attacks without performance degradation.
A managed security provider deploys multiple virtual firewall contexts on a Cisco ASA 5540 upgraded with ASA5540-MEM-2GB to isolate 20+ customer networks. The added memory supports simultaneous context instantiation and real-time policy enforcement, boosting customer onboarding speed by 50% and ensuring SLA-driven uptime.
To get the detailed certification, please go to the Compliance Center.
| Product Type | Computer Memory | Computer Memory | Computer Memory | Computer Memory | Computer Memory |
| Memory Type | DDR4 | DDR3 | DDR4 | DDR3 | DDR4 |
| Capacity | 2 GB | 512 MB | 2 GB | 1GB | 256 MB |
| Compatible Platforms | Desktop | Desktop / Laptop / Server | Desktop / Laptop / Server | Server | Desktop |
| Compatible Systems | Workstation | N/A | Workstation | N/A | N/A |
| Form Factor | UDIMM | SODIMM | UDIMM | UDIMM | UDIMM |
| Kit Configuration | Single Channel | Single Channel | Single Channel | Single Channel | Single Channel |
| Speed | 2400 MHz | 1600 MHz | 3200 MHz | 1600 MHz | 3200 MHz |
| Operating Temperature | N/A | N/A | N/A | N/A | N/A |
| Reliability Rating | Standard | Standard | Standard | Standard | Standard |
| CAS Latency (CL) | CL16 | CL11 | CL16 | CL15 | CL16 |
| Voltage | 1.2V | 1.5V | 1.35V | 1.5V | 1.2V |
| ECC Support | No | No | No | No | No |
| Registered/Buffered | Unbuffered | Unbuffered | Unbuffered | Unbuffered | Unbuffered |
| XMP Support | No | No | No | No | No |
| RGB Lighting | No | No | No | No | No |
| Heatsink / Heatspreader | Yes | No | Yes | Yes | No |
| Intel Platform Support | N/A | N/A | N/A | N/A | N/A |
| AMD Platform Support | N/A | N/A | N/A | N/A | N/A |
| Use Case | General Use | General Use | General Use | Server | General Use |
| Product Name | ASA5540-MEM-2GB= | ASA5500-CF-512MB= | ASA5520-MEM-2GB= | ASA5510-MEM-1GB= | ASA5500-CF-256MB= |
| Height | 1.22 inches | N/A | N/A | 1.2 inches | N/A |
| Width | 5.24 inches | N/A | N/A | 5.3 inches | N/A |
| Depth | 0.20 inches | N/A | N/A | 0.3 inches | N/A |
| Weight | 0.08 lbs | N/A | N/A | 0.2 lbs | N/A |
Upgrading to 2GB memory noticeably improved firewall stability and session handling during peak VPN traffic.
The memory installed cleanly and helped our ASA 5540 perform more consistently under load.
A straightforward RAM upgrade that delivered better responsiveness and smoother policy processing.
This memory upgrade extended the usable life of our ASA 5540 without compatibility issues.
Performance became more stable after installation, especially during sustained enterprise traffic.
The ASA5540-MEM-2GB= is Cisco’s official 2 GB DDR2 memory expansion module specifically designed for the ASA 5540 firewall.
Yes. The ASA5540-MEM-2GB= module is fully compatible with all Cisco ASA 5540 platforms running supported firmware versions.
Power off the ASA 5540, open the chassis, slot the 2 GB SODIMM into the memory socket until it clicks, then reassemble and power on.
Upgrading to 2 GB of RAM increases concurrent session capacity, accelerates VPN throughput and improves overall firewall performance.