Blackmagic Design BM-SWATEMMXEPCEXTISO ATEM SDI Extreme ISO Switcher — main product image

Blackmagic Design BM-SWATEMMXEPCEXTISO ATEM SDI Extreme ISO Switcher

Blackmagic Design BM-SWATEMMXEPCEXTISO ATEM SDI Extreme ISO Switcher

Name: Blackmagic Design BM-SWATEMMXEPCEXTISO ATEM SDI Extreme ISO Switcher
Brand: Blackmagic Design
SKU: BM-SWATEMMXEPCEXTISO

★★★★★4.8 (11 reviews)

Eight-input ISO recording switcher that captures every feed clean, ready for post or live broadcast

$1,675.00*

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*Price sourced from Amazon.com. Last updated:Jun 27, 2026.Price and availability are subject to change.

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Overview

The Blackmagic Design ATEM SDI Extreme ISO is built for production teams that need broadcast-grade switching in a portable package — and the insurance policy of full ISO recording. With 8 SDI inputs, 4 SDI outputs, and the ability to simultaneously capture all 8 clean camera feeds plus the program output as individual H.264 files, it turns every live event into a re-editable multicam project. The auto-generated DaVinci Resolve project file means your editor can open the timeline with all cuts, transitions, and graphics markers intact, making post-production turnaround dramatically faster. This is the switcher for corporate events, live streams, house-of-worship installs, and education productions where you need both a polished live output and a safety net for post.

On the hardware side, every SDI input includes frame rate conversion and re-sync, so mixed camera rigs — a common reality on fast-turnaround productions — lock together without external gear. The 4 upstream and 2 downstream keyers handle graphics, lower thirds, and chroma key work, while the SuperSource multi-layer processor adds picture-in-picture layouts with 4 DVE layers. Audio runs through a built-in Fairlight mixer with 6-band parametric EQ, compressor, and limiter per input, eliminating the need for a separate audio board on smaller shows. The chassis is compact enough for a fly-pack but sturdy enough for permanent install, with USB Type-C connections for external drive recording and direct webcam output to streaming software. It's a lot of broadcast capability in a package that fits in a single rack unit worth of space.

Key Features

FEATURE RICH: Supports up to 9 layers; 4 x Upstream Keyers; 2 x Downstream Keyers; Up to 16 Screen Multiview; 4G and 5G Phone Support; Records 9 separate H.264 video streams in real time.

APPLICATIONS: Multicamera live streaming to the Internet or broadcast applications. Perfect for education & training, business presentations, livestream eSport events and more.

INPUTS: 8 x 3G-SDI, 10-bit HD switchable, 2 channel embedded audio (Re-Sync, Frame Rate and Format Converters on all inputs); 2 x 3.5mm TRS Stereo Analog Audio; 1 x RJ45 Gigabit Ethernet for live streaming, software control and direct or network panel connection.

OUTPUTS: 4 x 3G-SDI; 1 x 3.5mm TRS Stereo Analog Audio; 2 x USB Type-C 3.1 Gen 1 for external drive recording, webcam out, software control and panel connection.

INCLUDES: ATEM SDI Extreme ISO live stream switcher and external 12V DC power supply with international socket adapters.

Specifications

SDI Inputs

8 x 3G-SDI (10-bit HD, 2-channel embedded audio, re-sync and format conversion on all inputs)

SDI Outputs

4 x 3G-SDI

Audio Inputs

2 x 3.5mm TRS stereo analog

Audio Output

1 x 3.5mm TRS stereo analog

Network

1 x RJ45 Gigabit Ethernet

USB

2 x USB Type-C 3.1 Gen 1

ISO Recording

9 simultaneous H.264 streams (8 inputs + program)

Project File

DaVinci Resolve project file

Upstream Keyers

Downstream Keyers

Layers

Up to 9

Multiview

Up to 16 screens

Groups

Power

External 12V DC supply (included with international adapters)

Pros & Cons

👍 Pros

Nine-stream ISO recording with a DaVinci Resolve project file means you walk away from every show with a fully re-editable multicam timeline
Eight 3G-SDI inputs with built-in re-sync and format conversion eliminate the need for external sync generators or converters on set
Fairlight audio mixer with per-channel EQ, compression, and limiting handles broadcast-quality sound without a separate mixing desk
Compact form factor fits in a pelican case for fly-pack and remote production work where rack space is nonexistent
Four SDI outputs provide flexible routing for confidence monitors, recording decks, or downstream graphics feeds

👎 Cons

No HDMI inputs means you'll need SDI-equipped cameras or converters for any HDMI sources, adding cost to smaller setups
The compact chassis has no built-in monitor — you're reliant on external displays for multiview, which adds to your fly-pack footprint
Recording nine streams simultaneously demands fast USB-C SSDs, and slower drives will drop frames without warning
At 65W draw from the included external power supply, there's no internal battery or redundant power option — a UPS is recommended for mission-critical live events
The small physical control surface is limiting for fast switching during complex shows, pushing you toward the separate ATEM hardware panels at additional cost

Frequently Asked Questions

What does the ISO recording actually give me over the standard ATEM SDI Extreme?

The ISO model records all 8 clean-feed SDI inputs plus the program output as separate H.264 files simultaneously. It also saves a DaVinci Resolve project file, so you can recut the entire show in post with all your camera angles intact — essential for any production that might need re-editing after the live event.

Can I use this as a webcam source for streaming software on a laptop?

Yes. The USB Type-C connection presents the switcher as a standard UVC webcam device, so OBS, Zoom, Teams, or any streaming application will see it as a camera input without additional drivers or capture cards.

What resolution and frame rate does it handle on the SDI inputs?

All 8 inputs accept 3G-SDI at up to 1080p60 with 10-bit color depth. Each input has built-in frame rate and format conversion with re-sync, so you can mix cameras running different frame rates without chasing sync issues on set.

How does the audio mixing work on this unit?

The built-in Fairlight audio mixer gives you a 6-band parametric EQ, compressor, and limiter on every input — plus the two 3.5mm analog audio inputs. You can ride levels and shape sound directly on the unit without an external audio board for smaller productions.

What recording media does it use for the ISO streams?

It records to external USB-C drives via the two USB Type-C 3.1 Gen 1 ports. Use fast SSDs rated for sustained write speeds — nine simultaneous H.264 streams demand reliable, high-throughput storage.