Enquire: Asia & Africa - +65-98008081 USA - +1-919-995-4114

Copper Patch Cords

Copper Patch Cords

Cat5e Patch Cords

Cat6 Patch Cords Hot

Cat6a Patch Cords Hot

Cat7 Patch Cords

Cat8 Patch Cords

Patch Cords Custom

Cable Trunks

Cable Trunks

Cat5e Trunk Cables

Cat6 Trunk Cables Hot

Cat6a Trunk Cables Hot

Trunk Cables Custom

Bulk Copper Cables

Bulk Copper Cables

Cat5e Bulk Cables

Cat6 Bulk Cables Hot

Cat6a Bulk Cables Hot

Cat7 Bulk Cables

Outdoor Bulk Cables

Bulk Cables Custom

Patch Panels

Patch Panels

Cat5e Patch Panels

Cat6 Patch Panels Hot

Cat6a Patch Panels Hot

Blank Patch Panels Hot

Patch Panels Custom New

Faceplates & Boxes

Faceplates & Boxes

Surface Mount Boxes

Faceplate Frame

Cable Management

Cable Management

Cable Managers Hot

Label Printers & Accessories

Connectors & Jacks

Connectors & Jacks

Inline Couplers

Keystone Jacks Hot

Connectors/Plugs Hot

Industrial Copper Systems

Industrial Copper Systems

Patch Cords Hot

Bulk Copper Cables

Industrial Faceplates

Laptop

Laptop

Monitor

Monitor

Printer and Scanner

Printer and Scanner

Printer Accessories

Computer Peripherals

Computer Peripherals

Mounts, Stands & Racks

Desktop

Desktop

Mobiles & Tablets

Mobiles & Tablets

Adapters & Cables

Adapters & Cables

Services & Supports

Services & Supports

Barcode Scanners & Mobile Computers

Barcode Scanners & Mobile Computers

Security Software

Security Software

MTP/MPO Fiber Cables

MTP/MPO Fiber Cables

MTP/MPO Trunks Hot

MTP/MPO Harnesses

MTP/MPO Conversions

MTP/MPO Cables Custom Hot

Fiber Patch Cables

Fiber Patch Cables

OS2 Single Mode Hot

OM4 Multimode Hot

OM1/OM2 Multimode

Patch Cables Custom

Specialty Fiber Cables

Specialty Fiber Cables

Armored Cables Hot

Industrial Cables Hot

High Density Cables

Multifiber Cables

Mode Conditioning Cables

Fiber Pigtails

Fiber Pigtails

12 Fibers Pigtails Hot

Simplex Pigtails Hot

Pigtails Custom

Fiber Optic Cleaners

Fiber Optic Cleaners

Pen Cleaners Hot

Reel Type Cleaners

Accessories

Accessories

Fiber Adapters Hot

PLC Splitters Hot

Fiber Attenuators Hot

Fiber Connectors

Splice Closures

Fiber Loopbacks

Cameras & Surveillance

Cameras & Surveillance

Digital Cameras

IP Camera - Wifi Spy Camera

Wireless Camera

Explosion Protected Camera

Fixed Box Camera

Security Cameras

Video Recorders

Display & Control

Network Antennas

Network Antennas

Networking Cards

Networking Cards

Hardware Firewalls

Hardware Firewalls

Wireless

Wireless

Indoor Access Points

Outdoor Access Points

Wireless Controllers

Network Switches

Network Switches

Network Switch Accessories

Switch Modules & Line Cards

Wired Routers

Wired Routers

Gateways/controllers

Gateways/controllers

Media Converters, Extenders

Media Converters, Extenders

Copper to Fiber Media Converters Hot

Media Converter Chassis

Modems

Modems

PoE Adapters

PoE Adapters

Smart Power Socket

Smart Power Socket

Repeater

Repeater

Wireless Adapter

Wireless Adapter

USB Hubs

USB Hubs

Sensor

Sensor

wireless routers

wireless routers

Network Adapter

Network Adapter

Mellanox NICsHot

InfiniBand Adapters

Intel%AE/Intel Based NICsHot

Mobile Wi-Fi Hotspots

Mobile Wi-Fi Hotspots

Transceiver

Transceiver

Networking Accessories

Networking Accessories

Network Software Licenses

Network Audio

Network Audio

Network Speaker

Satellite Radios

Satellite Radios

Servers & Storage

Servers & Storage

High-Density Servers

Storage Array Modules

Power

Power

Auto Transfer SwitchNew

Basic Rack PDUs

Metered Rack PDUs

Monitored Rack PDUs

Switched Rack PDUs

Hospital-Grade Power Cords

Router, Security, NPB

Router, Security, NPB

Network Packet Brokers

Conferencing, Phones

Conferencing, Phones

Conference Cameras

Webcams & Headsets

Interactive Displays

Telephony Cards

Wireless & Access

Wireless & Access

50G SFP56 for 5G Wireless

25G SFP28 for 5G Wireless

10G SFP+ for 4G Wireless

XGPON & XGPON Combo New

EPON & 10G EPON New

Wireless & Access Custom Hot

100/200/400/800G Modules

100/200/400/800G Modules

800G QSFP-DD/OSFP

400G QSFP-DD/OSFP

200G QSFP-DD/QSFP56

100G QSFP28 Hot

Industrial 100G QSFP28

Converter/Fibre Channel

100/200/400/800G Custom

10/25/40G Modules

10/25/40G Modules

25G CWDM/DWDM SFP28

10G CWDM/DWDM SFP+ Hot

Converter/Fibre Channel

10/25/40G Custom

1/2/4G Modules

1/2/4G Modules

1G BiDi SFP Hot

1G CWDM/DWDM SFP

1G SONET/SDH SFP

Optical Transmission

Optical Transmission

10G CWDM/DWDM SFP+ Hot

25G CWDM/DWDM SFP28

100G DWDM QSFP28

1G CWDM/DWDM SFP

Coherent 200/400G DWDM Hot

Optical Transmission Custom

Data Center

Data Center

200/400/800G QSFP-DD

Mellanox NICs Hot

Intel AE/Intel Based NICs Hot

DAC/AOC/AEC Cables

DAC/AOC/AEC Cables

200/400G DAC/AOC/AEC

100G DAC/AOC Hot

40G DAC/AOC Hot

10/25G DAC/AOC Hot

Others

Others

Loopback Modules

100G CFP/CFP2/CFP4

10G XFP/X2/XENPAK Hot

Fiber Optic Panels

Fiber Optic Panels

LC Fiber Optic Panels

SC Fiber Optic Panels

ST Fiber Optic Panels

MTP/MPO Fiber Optic Panels

MDC Fiber Optic Panels

Multimedia Copper/Fiber Panels

Fiber Optic Cassettes

Fiber Optic Cassettes

MTP/LC/SC/MDC Cassettes Hot

MTP Conversion Cassettes

MTP Mesh Cassettes

LC Splice Cassettes

Fiber Optic Enclosures

Fiber Optic Enclosures

Cable Management

Cable Management

Cable Managers Hot

Convoluted Tubing

Label Printers & Accessories

Racks & Cabinets

Racks & Cabinets

Server Cabinets Hot

Wall Mount Cabinets

Network Cabinets

Open Frame Racks

Accessories Hot

Enterprise Switches

Enterprise Switches

1/2.5G Enterprise SwitchesHot

10G Enterprise SwitchesHot

25G Enterprise Switches

40G Enterprise Switches

100G Enterprise Switches

Modular Enterprise Switches

PoE+ Switches

PoE+ Switches

1G PoE+ SwitchesHot

2.5/5G PoE+ Switches

10G PoE+ Switches

25G PoE+ Switches

Data Center Switches

Data Center Switches

10G Data Center SwitchesHot

25G Data Center SwitchesHot

40G Data Center SwitchesHot

100G Data Center SwitchesHot

400G Data Center Switches

Modular Data Center Switches

InfiniBand Switches

Small Business

Small Business

1G SMB Switches

2.5G SMB Switches

5/10G SMB Switches

Industrial Ethernet Switches

Industrial Ethernet Switches

1G Industrial Switches Hot

2.5G Industrial Switches

10G Industrial Switches

Router, Security, NPB

Router, Security, NPB

Network Packet Brokers

Cooling Solutions

Cooling Solutions

Fiber Testers

Fiber Testers

Fiber Inspection

Power Meters Hot

Fault Locators Hot

Light Sources Hot

Optical Multimeters

Fiber Identifiers

Optical Talk Sets

Fiber Optic Tools

Fiber Optic Tools

Fiber Tool Kits Hot

Fiber Cleavers Hot

Fiber Polishing

Fiber Strippers

Fiber Optic Cleaners

Fiber Optic Cleaners

Pen Cleaners Hot

Reel Type Cleaners

Copper Tools

Copper Tools

Network Tool Kits Hot

Punch Down Tools

Cable Strippers Hot

Copper Testers

Copper Testers

Cable Testers Hot

Cable Qualifiers Hot

Cable Certifiers

Access Networks

Access Networks

M6200 Series Hot

Data Center Interconnect

Data Center Interconnect

PON Networks

PON Networks

GPON & EPON OLT Hot

GPON & EPON ONT/ONU Hot

PON Transceivers

Passive Components

Passive Components

PLC Splitters Hot

Fiber Attenuators Hot

Splice Closures

Transceivers

Transceivers

200G/400G CFP2 Hot

100G QSFP28 Hot

10G CWDM/DWDM Hot

Open Line System

Open Line System

Optical Amplifiers Hot

Dispersion Compensation

Fiber Monitoring

Optical Protection

DWDM Open Line System

Chassis & Accessories

Mux Demux & OADM

Mux Demux & OADM

DWDM Mux Demux Hot

CWDM Mux Demux Hot

Custom Mux Demux & OADM

Chassis & Accessories

Transponders & Muxponders

Transponders & Muxponders

1G/10G/25G Transponder

100G/200G/400G Transponder

10G/200G/400G Muxponder

Chassis & Accessories

Home Networking Networking Cards Cisco MEM81X-4U8F 4MB Flash Memory Upgrade for Cisco 81x Series Routers | Genuine Cisco Flash Storage Expansion

Cisco MEM81X-4U8F 4MB Flash Memory Upgrade for Cisco 81x Series Routers | Genuine Cisco Flash Storage Expansion

Cisco MEM81X-4U8F 4MB Flash Memory Upgrade for Cisco 81x Series Routers | Genuine Cisco Flash Storage Expansion

Brand:

Cisco

Specifications

Product Description:

Enhance your Cisco 81x Series router with the Cisco MEM81X-4U8F 4MB Flash Memory Upgrade — a genuine Cisco component designed to expand your router's flash storage capacity, enabling support for larger IOS images, configuration files, and system logs.
Whether you’re upgrading a branch office router, legacy infrastructure, or small business network, this memory upgrade ensures smoother operation and long-term reliability. It allows the router to handle more complex routing protocols, improved firmware versions, and better configuration flexibility.
By increasing flash memory from 4MB to 8MB, this module supports larger Cisco IOS images, boosts system responsiveness, and extends the useful life of Cisco 81x Series routers — including models like Cisco 811, 815, and 819. A must-have upgrade for IT professionals and network administrators looking for enhanced performance and stability in demanding environments.

Features:

4MB to 8MB Flash Memory Upgrade – Increases router flash capacity for advanced features, multiple IOS versions, and logs
Designed for Cisco 81x Series – Fully compatible with routers like Cisco 811, 815, and 819
Genuine Cisco OEM Product – Manufactured to Cisco’s strict quality standards
Enhanced Configuration Storage – More space for boot files, startup configs, and IOS images
Reliable Data Retention – Non-volatile memory ensures configurations are preserved during power cycles
Improves Router Flexibility – Supports future IOS updates, dynamic routing, and security enhancements
Quick and Secure Installation – Simple upgrade procedure with secure fit in flash slot

Specifications:

Product Code: MEM81X-4U8F
Manufacturer: Cisco Systems
Memory Type: Flash Memory
Capacity: 4MB Upgrade (Expands to 8MB Total)
Form Factor: Mini-Flash Module
Compatibility: Cisco 81x Series Routers (e.g., 811, 815, 819)
Function: Stores IOS firmware, configuration files, and system logs
Voltage: 3.3V
Installation: Internal memory slot
Data Retention: Non-volatile memory retains data without power
Operating Temperature: 0°C to 45°C

Why Choose the Cisco MEM81X-4U8F Flash Memory Upgrade?

Genuine Cisco Quality – Ensure reliability and compatibility with your Cisco 81x router
More Flash for Less Downtime – Support larger IOS versions and better logging without replacing your router
Prolongs Router Lifespan – Maintain operational efficiency for legacy infrastructure and reduce hardware replacement costs
Improved Network Performance – Ideal for remote branches, SMEs, and secure communications requiring larger configurations
Data Security & Retention – Retains configurations and system data securely during reboots or outages
Budget-Friendly Upgrade – Low-cost enhancement to get more from your existing network gear

Features

Brand:

Cisco

Warranty:

1 Year

Product Name

Enter Phone no or Email id*

Choose Date*

Choose Time*

Choose Video App*

Enter Your Chat ID*