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Green rectangular circuit board with gold edge connector and black memory chips

Simmtec, Inc

Simmtec, Inc MEM870-128D 128MB memory card for Cisco 871 876 877 878

SKU CH-B49S-VMF9H

128 MB DRAM module compatible with Cisco 871, 876, 877 and 878 routers

  • Compatible with Cisco 871 876 877 878 routers
  • 128 MB DRAM capacity for system memory
  • Simmtec MEM870-128D replaces Cisco 16-3782-01 module
  • New condition ready for immediate installation
  • First listed by manufacturer November 15 2018

Compatible Cisco Routers

The Simmtec MEM870-128D is a 128MB DRAM memory card designed for Cisco 871, 876, 877 and 878 series routers. It serves network administrators upgrading branch-office or small-business appliances that require additional system memory. The module matches the Cisco 16-3782-01 part specification for direct replacement.

Pre-Installation Checks

Verify the exact router model number before ordering because this card fits only the four series listed above. Confirm the chassis has a free memory slot and that the current IOS image supports the expanded capacity. Power down the device and follow electrostatic-discharge precautions when handling the module.

Sustained Operation Behaviour

Once installed the DRAM operates continuously at the router's native bus speed without throttling. The memory maintains error-free storage of routing tables, packet buffers and runtime processes during extended uptime. No active cooling is required beyond the chassis airflow designed for the original hardware.

Highlights

  • Compatible with Cisco 871 876 877 878 routers
  • 128 MB DRAM capacity for system memory
  • Simmtec MEM870-128D replaces Cisco 16-3782-01 module
  • New condition ready for immediate installation
  • First listed by manufacturer November 15 2018

Specifications

No published specifications for this item yet.

Questions about this item

What comes in the box with the Simmtec MEM870-128D 128MB memory card?

The package contains the 128MB DRAM memory card itself; no additional cables, brackets or documentation are included.

Which Cisco router models is the MEM870-128D 128MB card compatible with?

It is designed for Cisco 871, 876, 877 and 878 series routers.

How much usable memory does the 128MB card add to a Cisco 871 router?

It adds 128MB of DRAM to the router's main memory pool for IOS and running configuration.

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