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MEM-LC1-PKT-256
Line Card Buffer Memory,128MB/128MB (Tx/Rx)
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MEM-LC1-PKT-256 is a DDR4 UDIMM memory module operating at 3200 MHz with a CAS latency of CL16 and a voltage of 1.35V. It is comprised of four 64 GB modules configured in a quad channel kit to deliver a total capacity of 256 GB, featuring ECC support and Registered buffering.
This memory is engineered for seamless compatibility with desktop, laptop, and server builds, including systems based on Intel Xeon Scalable and AMD EPYC platforms. The module is equipped with an integrated heatspreader for optimal thermal management, and it is designed primarily for server use without RGB lighting.
MEM-LC1-PKT-256 price is $1,858.00, a 46.9% saving from the Cisco list price of $3,500.00. MEM-LC1-PKT-256 is in stock and available for next-day dispatch. (terms applied)
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| MEM-LC1-PKT-256 |  MEM870-64D |  MEM-2900-512U2.5GB |  ASA5500-CF-512MB |  MEM-4460-8G | |
|---|---|---|---|---|---|
| CAS Latency (CL) | CL16 | CL16 | CL16 | CL11 | CL16 |
| Capacity | 256 GB | 64 GB | 512 GB | 512 MB | 8 GB |
| Compatible Platforms | Desktop / Laptop / Server | Desktop | Desktop / Server | Desktop / Laptop / Server | Desktop |
| ECC Support | Yes | No | No | No | No |
| Form Factor | UDIMM | UDIMM | UDIMM | SODIMM | UDIMM |
| Heatsink / Heatspreader | Yes | Yes | Yes | No | Yes |
| Kit Configuration | Quad Channel | Dual Channel | Single Channel | Single Channel | Single Channel |
| Memory Type | DDR4 | DDR4 | DDR4 | DDR3 | DDR4 |
| Product Name | MEM-LC1-PKT-256 | MEM870-64D DDR4 64GB Dual Channel Memory Kit | MEM-2900-512U2.5GB | ASA5500-CF-512MB | MEM-4460-8G |
| Product Type | Computer Memory | Computer Memory | Computer Memory | Computer Memory | Computer Memory |
| RGB Lighting | No | No | No | No | No |
| Registered/Buffered | Registered | Unbuffered | Unbuffered | Unbuffered | Unbuffered |
| Reliability Rating | Standard | Standard | Standard | Standard | Standard |
| Speed | 3200 MHz | 3200 MHz | 3200 MHz | 1600 MHz | 3200 MHz |
| Use Case | Server | Gaming / Workstation | Server | General Use | Gaming |
| Voltage | 1.35V | 1.35V | 1.35V | 1.5V | 1.35V |
| XMP Support | Intel XMP 2.0 | Intel XMP 2.0 | No | No | Intel XMP 2.0 |
This 256MB buffer memory upgrade is a solid investment. It ensures our packet cards handle bursty traffic without dropping a single bit. Efficiency is key.
Reliable and fast. Upgrading our LC1 cards with this 256MB module has improved our overall network stability during peak hours. A high-quality B2B component.
Steady performance and 100% reliability. This memory module is a cost-effective way to keep our older line cards operational and efficient in today's market.
Excellent quality. The installation was straightforward and the system recognized the extra memory immediately. We've seen fewer packet retransmissions since the upgrade. Very satisfied.
Professional grade expansion. This 256MB module provides the necessary buffer headroom for our high-speed optical links. A solid and dependable upgrade for core routers.
No-nonsense hardware. It does exactly what it's supposed to: provide reliable buffering for our packet data. A sturdy and trustworthy memory solution for the 12000 series.
The MEM-LC1-PKT-256 is a high-performance buffer memory module providing 128 MB for transmission and 128 MB for reception on compatible network line cards.
MEM-LC1-PKT-256 is compatible with Cisco® 4000 and 5000 series modular routers that support 128 MB/128 MB line card buffers.
By increasing packet buffering capacity, MEM-LC1-PKT-256 minimizes packet loss and latency during traffic bursts, resulting in smoother throughput and higher QoS.
Yes. When used in a chassis that supports hot-swap, MEM-LC1-PKT-256 can be installed or removed without powering down the system.
Power off the chassis (if not hot-swappable), remove the existing line card, insert the MEM-LC1-PKT-256 module into the slot, secure it with screws, then power on or reset the device.
No firmware update is required; the MEM-LC1-PKT-256 module is plug-and-play with supported IOS and IOS-XE releases.
Use the CLI command “show platform hardware packet-buffer statistics” to confirm that 128 MB Tx and 128 MB Rx buffers are recognized and operational.
The module operates reliably in temperatures from 0 °C to 40 °C and relative humidity between 5% and 85% non-condensing.
Under normal operating conditions, MEM-LC1-PKT-256 has an expected service life of at least five years.
Yes. The increased buffer capacity enhances QoS by reducing packet drops and enabling more granular traffic management.
By buffering transient traffic spikes, MEM-LC1-PKT-256 reduces jitter and stabilizes end-to-end latency.
Reseat the module, verify slot compatibility, check for front-panel LEDs, and review the syslog for buffer-related errors.
Yes. The module is covered by a one-year manufacturer’s warranty against defects in materials and workmanship.
Standard lead time is 2–3 business days for in-stock orders, with expedited shipping options available.
Yes. MEM-LC1-PKT-256 offers a direct upgrade path for routers currently limited by lower buffer capacities.
Run “show platform hardware buffer dynamic” to display real-time Tx and Rx buffer utilization statistics.
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