Hardware Cisco Memory & Flash

Discover robust performance and enduring reliability with Cisco Memory & Flash solutions. Engineered for optimized data transfer, scalability, and comprehensive security, these products empower modern IT infrastructures effectively.

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Cisco Memory Flash

Sub Categories of Cisco Memory & Flash

800 Router Memory & Flash

800 Router Memory & Flash

(16)

Cisco 800 router memory and flash supports sub-50 user remote sites with DRAM upgrades and CompactFlash boot media for IOS images

1900 2900 3900 Router

1900 2900 3900 Router

(39)

Cisco ISR 1900, 2900, and 3900 memory serves regional branch WAN edge replacements with DRAM DIMMs and CompactFlash storage options

Isr 4000 Memory & Flash

Isr 4000 Memory & Flash

(12)

Cisco ISR 4000 memory and flash supports SD-WAN branch aggregation closets with DDR3 DIMMs and internal flash storage

Asr Router

Asr Router

(8)

Cisco ASR router memory and flash supports service-provider aggregation edge spares with DRAM modules and bootflash media for IOS XE images

Industrial Ethernet Switch

Industrial Ethernet Switch

(3)

Cisco Industrial Ethernet switch memory and flash supports factory floor access cabinets with removable flash cards for firmware and configuration storage

Storage Drives

Storage Drives

(20)

Cisco storage drives support branch virtualization shelves with SATA interface media for logs, images, and local application storage

1800 Router Memory & Flash

1800 Router Memory & Flash

(2)

Cisco 1800 router memory and flash supports legacy remote-site WAN closets with DRAM modules and CompactFlash media for IOS storage

Asa 5500

Asa 5500

(6)

Cisco ASA 5500 memory and flash supports perimeter firewall replacement pools with CompactFlash media and DRAM modules for image storage

106 Matching results

  • BEST SELLING
    MEM1841-128D | MEM1841-128D  Cisco 1841 128MB SODIMM DRAM

    MEM1841-128D (MEM1841-128D  Cisco 1841 128MB SODIMM DRAM)

    4.6 (5)
    • Computer Memory
    • DDR4
    • 128 GB
    • Desktop / Laptop / Server
    • Workstation
    • UDIMM
    • Dual Channel
    Est Value List I Img $1,000.00

    $462.00

    53.8% off

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  • BEST SELLING
    MEM-4460-8G | 8G DRAM (1 DIMM) for Cisco ISR 4460

    MEM-4460-8G (8G DRAM (1 DIMM) for Cisco ISR 4460)

    4.6 (5)
    • Computer Memory
    • DDR4
    • 8 GB
    • Desktop
    • Workstation
    • UDIMM
    • Single Channel
    Est Value List I Img $1,177.00

    $618.00

    47.5% off

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  • BEST SELLING
    MEM-FLSH-8GU32G | 8G TO 32G FLASH MEM UPG FOR ISR4460

    MEM-FLSH-8GU32G (8G TO 32G FLASH MEM UPG FOR ISR4460)

    4.6 (5)
    • Computer Memory
    • DDR4
    • 8 GB
    • Desktop / Laptop
    • Workstation
    • UDIMM
    • Single Channel
    Est Value List I Img $1,774.00

    $847.00

    52.3% off

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  • BEST SELLING
    MEM-4460-32G | 32G DRAM 1DIMM FOR ISR4460

    MEM-4460-32G (32G DRAM 1DIMM FOR ISR4460)

    5 (5)
    • Computer Memory
    • DDR4
    • 32 GB
    • Desktop / Laptop / Server
    • Rack Server / Tower Server / Blade Server / Workstation / N/A
    • UDIMM
    • Single Channel
    Est Value List I Img $4,713.00

    $2,485.00

    47.3% off

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  • FEARURED
    MEM-4460-16G | 16G DRAM 1DIMM FOR ISR 4461

    MEM-4460-16G (16G DRAM 1DIMM FOR ISR 4461)

    4.8 (5)
    • Computer Memory
    • DDR4
    • 16 GB
    • Desktop
    • Workstation
    • UDIMM
    • Single Channel
    Est Value List I Img $2,354.00

    $219.00

    90.7% off

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  • FEARURED
    MEM-4400-4G | 4G DRAM (2G+2G) for Cisco ISR 4400

    MEM-4400-4G (4G DRAM (2G+2G) for Cisco ISR 4400)

    4.4 (5)
    • Computer Memory
    • DDR4
    • 4 GB
    • Desktop / Laptop / Server
    • Workstation
    • UDIMM
    • Single Channel
    Est Value List I Img $1,386.00

    $727.00

    47.5% off

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  • FEARURED
    MEM-FLASH-8G | 8GBE FLASH MEMORY FOR ISR 4400

    MEM-FLASH-8G (8GBE FLASH MEMORY FOR ISR 4400)

    4.8 (5)
    • Computer Memory
    • DDR4
    • 8 GB
    • Desktop
    • N/A
    • UDIMM
    • Single Channel
    Est Value List I Img $1,418.00

    $744.00

    47.5% off

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  • FEARURED
    MEM-FLASH-32G | 32G Flash Memory for Cisco ISR 4400, Spare

    MEM-FLASH-32G (32G Flash Memory for Cisco ISR 4400, Spare)

    4.4 (5)
    • Computer Memory
    • DDR4
    • 32 GB
    • Desktop / Laptop / Server
    • Workstation
    • UDIMM
    • Dual Channel
    Est Value List I Img $4,275.00

    $2,023.00

    52.7% off

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  • ASA5520-MEM-2GB= | 2GB MEMORY FOR CISCO ASA 5520

    ASA5520-MEM-2GB= (2GB MEMORY FOR CISCO ASA 5520)

    4.6 (5)
    • Computer Memory
    • DDR4
    • 2 GB
    • Desktop / Laptop / Server
    • Workstation
    • UDIMM
    • Single Channel
    Est Value List I Img $745.59

    $104.38

    86% off

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  • MEM-2900-2GB= | 2GB DRAM (1 DIMM) for Cisco 2901, 2911, 2921 ISR, Spare

    MEM-2900-2GB= (2GB DRAM (1 DIMM) for Cisco 2901, 2911, 2921 ISR, Spare)

    4.8 (5)
    • Computer Memory
    • DDR4
    • 2 GB
    • Desktop / Laptop / Server
    • N/A
    • UDIMM
    • Single Channel
    Est Value List I Img $690.00

    $105.00

    84.8% off

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  • ASA5540-MEM-2GB= | 2GB MEMORY FOR CISCO ASA 5540

    ASA5540-MEM-2GB= (2GB MEMORY FOR CISCO ASA 5540)

    4.8 (5)
    • Computer Memory
    • DDR4
    • 2 GB
    • Desktop
    • Workstation
    • UDIMM
    • Single Channel
    Est Value List I Img $657.57

    $144.67

    78% off

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  • MEM-CF-256MB= | 256MB COMPACT FLASH FOR CISCO 1900 2900 3900 ISR

    MEM-CF-256MB= (256MB COMPACT FLASH FOR CISCO 1900 2900 3900 ISR)

    4.8 (5)
    • Computer Memory
    • DDR4
    • 256 GB
    • Desktop / Laptop / Server
    • Workstation
    • UDIMM
    • Single Channel
    Est Value List I Img $460.00

    $168.00

    63.5% off

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  • MEM-2900-512MB= | 512MB DRAM (1 DIMM) for Cisco 2901, 2911, 2921 ISR, Spare

    MEM-2900-512MB= (512MB DRAM (1 DIMM) for Cisco 2901, 2911, 2921 ISR, Spare)

    4.6 (5)
    • Computer Memory
    • DDR4
    • 512 MB
    • Desktop / Server
    • Tower Server / Workstation
    • UDIMM
    • Single Channel
    Est Value List I Img $460.00

    $168.00

    63.5% off

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  • MEM-CF-256MB | Cisco Memory MEM-CF-256MB

    MEM-CF-256MB (Cisco Memory MEM-CF-256MB)

    4.2 (5)
    • Computer Memory
    • DDR4
    • 256 GB
    • Desktop / Laptop / Server
    • Workstation
    • UDIMM
    • Single Channel
    Est Value List I Img $460.00

    $175.00

    62% off

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  • MEM-1900-512U2.5GB | UPG 512MB TO 2.5GB DRAM 2GB+512MB FOR CISCO 1941 ISR

    MEM-1900-512U2.5GB (UPG 512MB TO 2.5GB DRAM 2GB+512MB FOR CISCO 1941 ISR)

    4.2 (5)
    • Computer Memory
    • DDR4
    • 512 GB
    • Desktop / Server
    • Workstation
    • UDIMM
    • Quad Channel
    Est Value List I Img $716.13

    $186.19

    74% off

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  • MEM-2900-512U1GB | UPG 1GB KIT 2X512MB FROM 512MB DRAM FOR CISCO 2901-2921

    MEM-2900-512U1GB (UPG 1GB KIT 2X512MB FROM 512MB DRAM FOR CISCO 2901-2921)

    4.4 (5)
    • Computer Memory
    • DDR4
    • 512 GB
    • Desktop / Server
    • N/A
    • UDIMM
    • Single Channel
    Est Value List I Img $600.00

    $196.00

    67.3% off

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  • MEM-1900-1GB= | 1GB DRAM 1 DIMM FOR CISCO 1941/ 1941W ISR SPARE

    MEM-1900-1GB= (1GB DRAM 1 DIMM FOR CISCO 1941/ 1941W ISR SPARE)

    4.2 (5)
    • Computer Memory
    • DDR4
    • 1GB
    • Desktop / Laptop / Server
    • N/A
    • UDIMM
    • Single Channel
    Est Value List I Img $792.00

    $210.00

    73.5% off

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  • MEM-2951-512MB= | 512MB DRAM 1 DIMM FOR CISCO 2951 ISR SPARE

    MEM-2951-512MB= (512MB DRAM 1 DIMM FOR CISCO 2951 ISR SPARE)

    4.4 (5)
    • Computer Memory
    • DDR4
    • 512 GB
    • Desktop / Laptop / Server
    • Workstation
    • UDIMM
    • Single Channel
    Est Value List I Img $575.00

    $210.00

    63.5% off

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  • MEM-2900-1GB= | 1 GB DRAM (1 DIMM) for Cisco 2901, 2911, 2921 ISR, Spare

    MEM-2900-1GB= (1 GB DRAM (1 DIMM) for Cisco 2901, 2911, 2921 ISR, Spare)

    4.4 (5)
    • Computer Memory
    • DDR3
    • 1 GB
    • Desktop
    • N/A
    • UDIMM
    • Single Channel
    Est Value List I Img $575.00

    $210.00

    63.5% off

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  • MEM-3900-512MB= | 512MB DRAM 1 DIMM FOR CISCO 3925/3945 ISR SPARE

    MEM-3900-512MB= (512MB DRAM 1 DIMM FOR CISCO 3925/3945 ISR SPARE)

    4.6 (5)
    • Computer Memory
    • DDR4
    • 512 GB
    • Desktop / Laptop / Server
    • Workstation
    • UDIMM
    • Single Channel
    Est Value List I Img $575.00

    $210.00

    63.5% off

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Showing 1 - 20 of 106 Results

Questions & Answers

What is Cisco flash memory?

Cisco flash memory is non-volatile storage on routers and switches that holds the OS image, configuration files, and logs. It retains data without power and enables device boot and software upgrades.

What is the difference between Cisco flash and NVRAM?

Cisco flash stores IOS images, files, and logs persistently, while NVRAM holds the device’s running-configuration only. Flash capacity is larger for software storage; NVRAM is optimized for config retention.

How do I check flash memory usage on a Cisco device?

Run the CLI command show flash: or show file systems to display total, used, and free flash space. Look for “flash:” or “bootflash:” entries to view detailed usage statistics.

How can I free up space on Cisco flash memory?

Delete unneeded files with delete flash: or archive old IOS images to a TFTP/FTP server using the copy command. Then verify free space with show flash:.

Cisco Memory & Flash