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PVDM4-128
128-channel high-density voice and video DSP module
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PVDM4-128 is a high-performance network card engineered for high-speed data transmission and robust connectivity in modern data centers. It features advanced Ethernet capabilities with a maximum data rate of 40Gbps via SFP+ connectors, while supporting key protocols such as TCP/IP, iSCSI, and Fibre Channel. The PCIe form factor ensures seamless integration into routers, switches, and servers, making it highly suitable for upgrading network interfaces and expanding data center capacity.
Designed to meet the demands of mission-critical applications, the PVDM4-128 offers essential features like auto-negotiation, Wake-on-LAN, jumbo frames, and QoS for optimal network performance. With reliable performance under strict operating (0 to 70°C) and storage (-40 to 85°C) temperature conditions, this network card is an ideal solution for environments requiring dependable, high-speed connectivity.
PVDM4-128 price is $587.00, a 92.7% saving from the Cisco list price of $8,023.00. PVDM4-128 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for PVDM4-128 for additional pricing. Browse the full Pvdm Voice/Fax Modules series or explore all Cisco products.
A global financial services firm integrates the PVDM4-128-128-channel high-density voice and video DSP module into its Cisco Unified Communications Manager to support 500 simultaneous HD agent calls and real-time call recording. Result: 40% reduction in hardware footprint, seamless capacity scaling, and 99.99% call uptime for customer interactions.
An international retail chain deploys the PVDM4-128-128 module across ten branch offices to enable secure, synchronized 1080p video conferencing with head office. Benefit: centralized management, 60% lower per-site capital expenditure, and crystal-clear video collaboration that accelerates decision-making and reduces travel costs.
A Tier-1 telecom provider leverages the PVDM4-128-128-channel DSP module in its next-gen softswitch to consolidate 2,000 concurrent voice/video streams and real-time codec transcoding. Outcome: 50% savings in DSP licensing, dramatic bandwidth optimization, and guaranteed QoS for enterprise VoIP and unified communications services.
To get the detailed certification, please go to the Compliance Center.
 PVDM4-128 |  PVDM2-16 |  PVDM3-32 |  PVDM2-36DM |  PVDM3-192 | |
|---|---|---|---|---|---|
| Product Type | Network Card | Voice Processing Module | Digital Signal Processing Module | Network Card | Voice Processing Module |
| Module Type | Ethernet | Digital Signal Processing | DSP | Ethernet | DSP |
| Data Rate | 40G | N/A | 1Gbps | 10G | N/A |
| Connector Type | SFP+ | N/A | PCIe | SFP+ | N/A |
| Supported Protocols | TCP/IP / iSCSI / Fibre Channel | SIP, H.323 | TCP/IP, VoIP | TCP/IP, iSCSI | N/A |
| Form Factor | PCIe | PCIe | PCIe | PCIe | Modular |
| Operating Temperature | 0 to 70°C | 0 to 55°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 5V |
| Compatibility | Cisco / Juniper / Arista / Dell / HP | Cisco | Cisco, Juniper, Arista, Dell, HP | Cisco, Juniper, Arista, Dell, HP | Cisco Integrated Services Routers |
| Max Speed | 40Gbps | N/A | 1Gbps | 10Gbps | N/A |
| Supported Features | Auto-negotiation / Wake-on-LAN / Jumbo Frames / QoS | Voice encoding/decoding, transcoding, echo cancellation | Multi-channel processing, Auto-negotiation, QoS | Auto-negotiation, Wake-on-LAN, Jumbo Frames, QoS | Voice Transcoding, Conferencing, Signaling Conversion |
| Power Consumption | 35W | N/A | 15W | 15W | 8W |
| Interface Ports | SFP+ | N/A | PCIe | SFP+ | N/A |
| Expansion Slots | N/A | N/A | N/A | N/A | N/A |
| Product Name | PVDM4-128 High Performance Network Card | PVDM2-16 Voice Processing Module | PVDM3-32 | PVDM2-36DM High-Speed Ethernet Module | PVDM3-192 |
| Height | 1.5 inches | N/A | 0.8 inches | 0.5 inches | N/A |
| Width | 3.0 inches | N/A | 3.5 inches | 3.5 inches | N/A |
| Depth | 9.5 inches | N/A | 7.5 inches | 4.0 inches | N/A |
| Weight | 1.2 lbs | N/A | 1.2 lbs | 0.5 lbs | N/A |
The PVDM4-128 DSP module offers exceptional performance for high-density voice and video processing. It delivers reliable, high-quality output for our growing network.
We upgraded to the PVDM4-128 and have been very satisfied. It processes voice and video efficiently and scales easily to meet our network demands.
The PVDM4-128 is fast and reliable, providing superior voice and video processing. It integrates seamlessly and works perfectly with our communication systems.
This module has been essential in improving our voice and video processing capabilities. The PVDM4-128 delivers outstanding performance without interruptions.
The PVDM4-128 has enhanced our system's performance. It's reliable, fast, and processes high volumes of voice and video traffic without any issues.
The PVDM4-128 is a 128-channel voice and video digital signal processor module designed for Cisco routers, delivering high-density media processing for voice, video and conferencing applications.
The PVDM4-128 supports up to 128 simultaneous DSP channels for mixed voice, video and conferencing tasks on a single module.
The PVDM4-128 natively supports G.711, G.729, G.722, G.726, H.264 and other standard voice and video codecs for compression, transcoding and conferencing.
The PVDM4-128 is compatible with Cisco ISR 4000, ASR 1000 and select ASR 9000 Series routers running IOS XE Release 3.15S or later.
Yes. The PVDM4-128 can concurrently process voice calls, video streams and audio/video conferencing sessions on its 128 DSP channels.
Power down the router, insert the module into the dedicated DSP slot until it clicks, secure the captive screw, then power on and verify detection via the IOS XE show platform hardware dsp command.
After installation, assign DSP resources under voice service configuration in IOS XE, for example: voice service voip dspfarm profile, link ports to profile and apply to dial-peer settings.
The PVDM4-128 draws under 10 watts of power under full load, ensuring efficient operation within Cisco router power budgets.
The module measures approximately 17.8 cm × 10.2 cm × 2.2 cm and weighs about 0.3 kg, fitting standard Cisco router DSP slots.
The PVDM4-128 requires Cisco IOS XE Release 3.15S or later and the latest DSP firmware, automatically loaded during router boot.
Yes. You can replace PVDM3 modules with the PVDM4-128 in compatible routers to increase channel density and performance without additional hardware changes.
No. The PVDM4-128 must be installed and removed only when the router is powered down to prevent hardware damage.
The PVDM4-128 carries Cisco’s limited lifetime warranty and includes 90 days of complimentary Cisco TAC support for rapid issue resolution.
By offloading DSP tasks from the router CPU, the PVDM4-128 delivers superior echo cancellation, jitter buffering and codec transcoding for crystal-clear voice and video.
You can purchase the PVDM4-128 through Cisco’s global network of authorized distributors and resellers or via the Cisco Marketplace online.
Yes. Its high-density design and scalable DSP architecture make the PVDM4-128 ideal for large enterprise voice and video deployments requiring high channel counts.