Sourced for enterprise IT teams, the Cisco MEM2691-32U128CF-APP (MEM2691-32U128CF-APP - Cisco 128MB Compact Flash (CF) Memory Card for 2691 Series Router) is a Flash Memory component appropriate for new-build, expansion, or warranty-replacement procurement. Technical specifications include capacity of 128 MB. Appropriate for virtualization hosts, application servers, in-memory analytics, render farms, CAD/EDA workstations, and any workload constrained by RAM rather than CPU. Pro Disk Network maintains the MEM2691-32U128CF-APP in our enterprise inventory and verifies each unit against manufacturer datasheet specifications prior to listing. New stock ships factory-sealed where available; refurbished units are tested under load before dispatch and ship with a 90-day Pro Disk Network functional warranty. Same-day dispatch on in-stock orders placed before 3pm ET; free standard ground shipping on US orders over $150.
The MEM2691-32U128CF-APP is a Cisco flash memory component with capacity 128 MB. Pro Disk Network sells the MEM2691-32U128CF-APP for $73.43 with same-day US shipping and a 30-day return guarantee.
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Reviewed by:Pro Disk Network Engineering Team — . Specifications, compatibility, and pricing for the MEM2691-32U128CF-APP are shown on this page.
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Quick Answer: What servers is the MEM2691-32U128CF-APP compatible with?
The MEM2691-32U128CF-APP is a Cisco flash memory module. Confirm DIMM rank, voltage, and speed against the target server's supported memory list before deployment - mixed configurations may downclock to the slowest installed module. For server-specific population diagrams, email sales@prodisknetwork.com with your server serial number.
How fast does the MEM2691-32U128CF-APP ship?
If in stock, the MEM2691-32U128CF-APP ships same business day on US orders placed before 3 pm ET. Most US ZIP codes receive next-business-day or 2-day delivery via FedEx/UPS Ground or Express. Bulk and project orders shipping in pallets are typically dispatched within 24-48 hours.
The MEM2691-32U128CF-APP is deployed by US enterprises, MSPs, government, and education customers across multiple infrastructure scenarios. Below are the most common deployment patterns Pro Disk Network sees in real-world orders.
VMware Cluster Memory — Per-host memory expansion for vSphere ESXi hosts. Match DIMM rank and speed across all sockets to keep memory channels balanced.
In-Memory Database — SAP HANA, Redis Enterprise, Apache Ignite, Aerospike — workloads that scale linearly with DRAM capacity.
Hyper-V Cluster Node — Windows Server 2019/2022 Hyper-V hosts with Storage Spaces Direct. Dynamic memory allocation makes higher-density DIMMs cost-effective.
AI / ML Training — PyTorch and TensorFlow workloads benefit from large host memory pools for dataset preprocessing and CPU-side feature engineering.
What is the MEM2691-32U128CF-APP?
The MEM2691-32U128CF-APP is a Cisco server memory module with capacity 128 MB, manufactured by Cisco. Pro Disk Network ships this part new and certified-refurbished from our US warehouse with same-day dispatch on orders placed before 3 PM ET, backed by a 30-day return guarantee.
Pros & Cons of MEM2691-32U128CF-APP
Pros
RDIMM / LRDIMM clearly labelled for population-rule clarity
Cons
Not for laptop SO-DIMM upgrades — server DIMM only
LRDIMM and RDIMM are not interchangeable
Original retail box not always included on refurbished tier
Frequently Asked Questions about MEM2691-32U128CF-APP
Is the MEM2691-32U128CF-APP a genuine Cisco part?
Yes. Pro Disk Network sources every MEM2691-32U128CF-APP as factory-original Cisco inventory. New units arrive sealed in OEM packaging; refurbished units are pulled from decommissioned Cisco servers, surface-tested, and re-warranted by Pro Disk Network for 90 days.
What servers is the MEM2691-32U128CF-APP compatible with?
The MEM2691-32U128CF-APP is a Cisco flash memory module. Confirm DIMM rank, voltage, and speed against the target server's supported memory list before deployment - mixed configurations may downclock to the slowest installed module. For server-specific population diagrams, email sales@prodisknetwork.com with your server serial number.
How fast does the MEM2691-32U128CF-APP ship?
If in stock, the MEM2691-32U128CF-APP ships same business day on US orders placed before 3 pm ET. Most US ZIP codes receive next-business-day or 2-day delivery via FedEx/UPS Ground or Express. Bulk and project orders shipping in pallets are typically dispatched within 24-48 hours.
What is the warranty on the MEM2691-32U128CF-APP?
New MEM2691-32U128CF-APP units carry the full Cisco manufacturer warranty (typically 1 to 5 years depending on product line). Refurbished and bulk-OEM units include a Pro Disk Network advance-replacement warranty (90 days refurbished). DOA replacement is free within 30 days of receipt.
Do you offer bulk pricing for the MEM2691-32U128CF-APP?
Email sales@prodisknetwork.com with the quantity and target ship date for a quote within one business day.
Other parts that share the MEM2691 series prefix — useful when sourcing matched lots, hot-spare pools, or capacity-tier expansions.
MEM2691-128CF — MEM2691-128CF - Cisco 128MB Compact Flash (CF) Memory Card for 2691 Series Router — $175.21
MEM2691-128CF-APP — MEM2691-128CF-APP - Cisco 128MB Compact Flash (CF) Memory Card for 2691 Series Router — $88.51
MEM2691-128CF-EXT — MEM2691-128CF-EXT - Cisco 128MB External Compact Flash (CF) Memory Card for 2691 Series Router — $184.83
MEM2691-128CF-TP — MEM2691-128CF-TP - Cisco 128MB Compact Flash (CF) Memory Card for 2691 Series Router — $69.88
MEM2691-256CF — MEM2691-256CF - Cisco 256MB Compact Flash (CF) Memory Card for 2691 Series Router — $139.10
MEM2691-32CF — MEM2691-32CF - Cisco 32MB Compact Flash (CF) Memory Card For 2691 Series Router — $124.21
MEM2691-32CF-APP — MEM2691-32CF-APP - Cisco 32MB Compact Flash (CF) Memory Card for 2691 Series Router — $68.09
MEM2691-32CF-EXT — MEM2691-32CF-EXT - Cisco 32MB Compact Flash (CF) Memory Card for 2691 Series Router — $111.44
MEM2691-32CF-INCL — MEM2691-32CF-INCL - Cisco 32MB Compact Flash (CF) Memory Card for 2691 Series Router — $64.04
MEM2691-32CF-TP — MEM2691-32CF-TP - Cisco 32MB Compact Flash (CF) Memory Card for 2691 Series Router — $94.06
MEM2691-32U128CF — MEM2691-32U128CF - Cisco 32MB to 128MB Compact Flash (CF) Memory Card for 2691 Series Router — $140.02
MEM2691-32U128CF-TP — MEM2691-32U128CF-TP - Cisco 128MB Compact Flash (CF) Memory Card for 2691 Series Router — $79.33
Pro Disk Network Buyer’s Guide: Flash Memory
Compatibility: Rank, Density, and Channel Population Rules
For server memory, three numbers dominate compatibility: rank, density, and channel population. Mixing rank or density in the same channel forces the memory controller to fall back to the lowest-common-denominator speed and timings, sometimes by 200-400 MHz, which wastes the upgrade you just paid for. Before installing the MEM2691-32U128CF-APP, run the platform's memory configuration utility (Dell DSET, HPE iLO Memory tab, Lenovo XCC Memory page) to identify what's already populated.
Pricing Strategy: New, Bulk, or Refurbished
For production tier-1 databases (SAP HANA, Oracle Exadata-equivalent, SQL Server Always On), use new sealed OEM units only. For VDI hosts, hyperconverged clusters, and general-purpose virtualisation, bulk-OEM is the cost-optimal choice. For development environments, lab gear, and capacity expansion on aging hardware, refurbished is appropriate — the price savings are 60-75% versus new.