Simplify your architecture with one appliance

Scramble your video, audio and data elementary streams with ProStream® X video stream processor and eliminate unnecessary hardware. 

Seamlessly switch between live and main feeds for live-to-live splicing. You’ll be able to decode signals, insert ads, optimize your workflow and maintain your video quality. The solution easily integrates into existing architectures and reduces cost and complexity by eliminating the need for multiple devices in distributed cable, satellite, or telecom networks.

Multiplex up to 2,000 simultaneous services

Efficiently manage encoder statmux pools and generate regionalized transport streams with one simple product. Free up bandwidth and improve video quality with ProStream X statmux mechanisms. Easily apply long-term average bitrate configurations for each video to secure and maintain your customer’s video quality. 

Scramble with secure & stable technology

Increase security and reduce costs with the first stream processor to offer 128-bit DVB CSA3 encryption. You can scramble any format of video, audio and data elementary stream, including AES and DVB-CSA v1,V2 and 128-bit CSAV3 encryption. The ProStream X provides Secured Reliable Transport (SRT) support for both listener and caller modes. 

Deployment model adaptability

This appliance is available in several deployment models for a perfect fit with infrastructure requirements, including a server with ProStream X and a baremetal installation with ProStream X SW.

Stream processing with ProStream X

ProStream X system allows users to leverage the versatility and agility of software-based infrastructure. The platform integrates 10Gbps throughput with a variety of advanced video processing applications, including multiplexing, splicing, blackout switching, and DVB CSA3 encryption. ProStream X also serves as a high-throughput video gateway featuring socket address flipping and ASI-to-IP conversion.

Digital turnaround

Standard IP and DVB input and output interfaces for simple integration


Up to 10G throughput per platform with the choice of dual, quad 10-GbE or ASI I/O

Statistical multiplexing

Integrates close-loop Harmonic DiviTrackIP™ statistical multiplexing and IP switching for any format

Scramble any format

AES and DVB-CSA V1 , V2 and V3 complaint, integrated and certified by all major conditional access systems (CAS)

SRT gateway

Listener and caller input/output support for hundreds of streams


SFN DVB-T and DVB-T2 gateway, including DVB-SIS compliant

ProStream X technical specifications


1/10-GbE IP
IEEE 802.3z
Four independent IP ports
Support for IEEE 802.Q VLAN tagging

Four 1-GbE ports, RJ-45 on board
Four 10/1-GbE ports, RJ-45 on board
PCI option card for three 10-GbE ports SFP (up to three cards per platform)

I/O speed
Up to 10 Gbps

IP encapsulation
1 to 7 TS/IP

MPEG format
188 B per TS

MPEG transport streams

I/O processing
1,000 sockets
Up to 10 Gb per platform (configuration dependent)
Maximum bit rate per socket: 300 Mbps



Eight ports per card, up to three cards per platform


DVB common scrambling
Open CAS
AES descrambling
Fix Key scrambling and descrambling

BISS encryption
Mode 1

Statmux control

MPEG-2, MPEG-4 AVC, HEVC codecs

DVB-T/T2 gateway & SFN adaptation, DVB-SIS

Encapsulation of any generated multiplex into DVB-T2 frames
Generation of up to eight DVB T2-MI streams over ASI or IP
Interface for external PTP Server or 1 PPS/GPS
Support of single and multi-PLP

DVB-T support
20 MIP insertion MPTSs

DVB-T2 support
Eight DVB T2-MI
PTP support over GBE ports
Interface for external GPS receiver, 1 PPS, and 10 MHz

Supports DVB-SIS output standard ETSI TS 103 615
Generation of up to eight DVB-SIS output streams, and up to 36 groups per SIS service for regionalization

Gateway & remultiplexing

Any input to any output

Listener/caller in both source or destination applications, up to 4 Gbps throughput

Remapping, filtering, multicasting

PID multicasting
Any input PID can be multicasted to multiple TS outputs with different remapping and processing (different CW, if scrambled)

Extraction, injection, spooling, regeneration

Output mirroring
Any to any

Advanced stream processing
Live-to-live splicing, PID range

System management

NMX Network Management System

Stand-alone web user interface

Physical & power

Dimensions (W x H x D)
17.11 in x 1.69 in x 37.83 in (43.46 cm x 4.29 cm x 70.7 cm)

35.86 lbs (16.26 kg) 

Dual redundant AC power supplies
800W flexible slot platinum hot-plug low Halogen power supply kit
Available in 94% and 96% efficiency

DC power supplies
800W flexible slot -48VDC hot-plug low Halogen power supply kit
Available in efficiency of up to 94%.

100 to 120 VAC
200 to 240 VAC


ProStream X is ideal for all your mission-critical delivery

Advanced advertising

Advertising is an effective way to monetize content. Insert your video advertising elements into live, linear programming and video-on-demand (VOD) content.

Deliver high-quality sports

Make your viewers feel like they are part of the game by vastly improving the video quality of sports streaming.

Unify your broadcast & OTT headend

Ensure high-quality and efficient service delivery across all screens, on any transport network, including IPTV, cable, satellite, DTT, and the internet.

"When we looked into expanding our HD service offering, we needed to partner with an expert in satellite deployments and encoding efficiency. Harmonic enables us to deliver more channels using the same amount of transponder space so that we can focus on increasing subscriber satisfaction and revenue growth.”
Mr. S. Kannan
Group CTO at Sun Group

Frequently asked questions

What kind of services are available for ProStream X?

At Harmonic, we offer multiple services for all our products. Our experts can guide you to a package that works for your business including, professional services, service level agreements, technical support and training for your team. 

How can I get assistance with my ProStream X?

You can get assistance from the Harmonic Technical Assistance Center for all your support questions and issues. The fastest and most efficient way is through our OneCare Portal.
Otherwise, you can reach the team by phone, through chat, or by reporting your issue. 

Let's talk ProStream X

Thank you for your interest in our ProStream X video stream processor & gateway.
Please fill out the form to get in touch and start the conversation about how ProStream X could work for you. Someone in our sales team will be in touch shortly.

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