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Description
Teranex ExpressThe Teranex Express from Blackmagic Design is a real time SD, HD, and Ultra HD broadcast up down converter. This lets you convert your SD and HD footage to Ultra HD 4K (3840 x 2160) for presentations on large high resolution displays, or convert your Ultra HD footage for displaying on HD monitors. With advanced processing technology developed and patented by Teranex, you get full 10 bit processing with high quality de interlace and Ultra HD scaling
The Teranex Express from Blackmagic Design is a real-time SD, HD, and Ultra HD broadcast up/down converter. This lets you convert your SD and HD footage to Ultra HD 4K (3840 x 2160) for presentations on large high-resolution displays, or convert your Ultra HD footage for displaying on HD monitors. With advanced processing technology developed and patented by Teranex, you get full 10-bit processing with high-quality de-interlace and Ultra HD scaling algorithms. You can also use the Teranex Express to synchronize non genlock external feeds or cameras into switchers for live production. Conversions retain timecode, include closed caption data, and maintain audio sync so your video is ready for real-time editing or broadcast.
The Teranex Express features two SDI input connectors—one 12G and one 6G—and matching output connectors, which support 12G-SDI and a Dual Link 6G-SDI signals. The in/out connections also support SD-SDI, HD-SDI, and 3G-SDI signals, for compatibility with your existing SDI equipment. Loop outputs for each input and a genlock input are provided as well as an industry standard socket, so you can install an optional optical fiber module to run video up to 28 miles over fiber optic cable.
Controls at Your Fingertips:
Using the same familiar control panel as the Teranex 2D and 3D, the Teranex Express puts all the controls you need at your fingertips. The built-in LCD monitor lets you navigate menus and see source format and frame rate with live video, so you don't need an external monitor for operation. The Teranex Express also features a machined metal front panel, compact 1 RU size, and a built-in international power supply.
12G-SDI and Dual-Link 6G:
12G-SDI provides 12 Gb/s of throughout, which is about 8 times faster than HD-SDI. The increased bandwidth lets you output Ultra HD (3840 x 2160) over a single cable and support Ultra HD 60p as well as other new formats as they become available. The 12G-SDI input/output connectors, along with the 6G-SDI input/output connectors (used for Dual Link signals), are also compatible with SD, HD, and 3G-SDI signals.
10-Bit Image Processing:
With high-precision 10-bit image processing, you get four times the amount of colors than 8-bit, yielding smoother gradations and reducing color banding or other unwanted artifacts.
Deinterlacing:
Using proprietary and patented PixelMotion deinterlacing algorithms, the Teranex Express creates progressive frames for conversion by adjusting the aperture on a pixel-by-pixel basis. This means you get improved image quality because the vertical resolution is maintained. PixelMotion deinterlacing preserves source detail and, when combined with multi-direction diagonal filters, helps eliminate jagged edges on conversion, yielding well-defined edges and sharp images.
Image Scaling:
With all new real-time optical quality scaling algorithms that simulate an optical zoom, you get images with high detail and clarity. When converting between SD, HD, and Ultra HD resolution, sub-pixel processing and multi-directional diagonal filters to produce clean looking images.
Proc Amp Controls:
A complete set of Pro Amp controls let you adjust luminance gain, black level, chroma saturation, chroma hue, R-Y/B-Y color difference values, and sharpness of source feeds and make correction in real time during conversions.
Audio, Timecode, and Subtitles:
Video includes a lot more than images, and Teranex also supports conversion of up to 16 audio channels plus timecode and closed caption VANC data. This means timecode matches during conversion to the 0 frames, and subtitles are retained. The Teranex Express is also compatible with Dolby encoded audio, letting it be passed to the output without having to decode or re-encoded during up and down conversions.
Optional Optical Fiber Module:
The Teranex Express can carry video signals up to 28 miles over fiber optic cables using the optional Optical Fiber Module.
AFD/WSS:
Active Format Distribution (AFD) and Widescreen Signaling (WSS) are a standard set of codes that carry information about a video signal's aspect ratio and active picture characteristics. Ternanew Express preserves AFD and WSS information during the conversion process, so that means your screen will automatically select the correct aspect ratio for video playback.
Apects Ratio Conversions:
The Teranex Express supports a wide range of fixed aspect ratios as well as color fill, letting you convert between 4:3, 16:9, and more.
Closed Caption:
Now mandatory in many countries for broadcast distribution, captions are usually stored as ancillary data embedded into an SDI stream. The Teranex Express understands the different types of Closed Caption data found in SD and HD video streams, and will preserve and convert it into the proper CEA-608 or CEA-708 format for your output video.
Timecode:
ATC/VITC timecode is passed through and retained during the conversion process, so source timecode is always preserved. You also have the option to jam sync of generate new timecode for sources that have inconsistent or unusable embedded timecode.
Test Pattern Generator:
For color calibrating monitors or aligning digital projectors, the internal test pattern generator can display black burst and test patterns, including SMPTE color bars, grids, and resolution charts.
Power:
A built-in 110/240V international power supply with a standard IEC connection lets you use the Teranex Express anywhere in the world, when used with the appropriate power cord.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 6 reviews
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Product Reviews
★★★★★ 5
Solid, Well‑Built Adapter with Excellent Performance
I bought this adapter for my M1 MacBook Air so I could properly test the speeds on my new 2Gb internet service. During installation, my old cheap USB‑C Ethernet adapter kept capping out at 1Gb, and even the tech suggested the adapter was the bottleneck.
After he left, I ordered this UGREEN model. I’ve had great luck with their products before and it did not disappoint. It has a solid, heavier feel with what seems like a metal casing, and it worked instantly. macOS recognized it right away with no drivers needed. I simply turned off Wi‑Fi, plugged it in, connected the Ethernet cable, and I was online immediately.
My very first speed test hit right at 2Gb, and it’s been consistently fast and stable ever since. I also haven’t noticed any heat issues at all.
Overall, a fantastic upgrade and absolutely worth it if you need true multi‑gig speeds on a Mac.
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Reviewed in the United States on May 8, 2026
★★★★★ 5
Reliable network speed tests and smb speeds
Got this on prime day for about $20 USD. For the price and quality it was definitely worth! Works perfectly and as you would expect. No driver installations or dropped connections so far, just plug and play. Sleek design, gets a little warm (which is expected) but not hot at all.
Tested on compatible internal network speeds which showed to be reliable and fast
Hardware tested on:
- base m4 mac mini connected via usb c ugreen 2.5g adapter
- over cat7 ethernet cable (overkill but cat6/cat5e under 100meters/328ft should be enough)
- 2.5g ethernet switch
- 2.5g port on nas
iperf3 tests:
- iperf3 tests from base m4 mac mini to another 2.5g device on a 2.5g switch
- shows average bitrates of ~2.35 Gbits/sec
smb tests from a usb3 connected to base m4 mac mini:
- only took ~2mins to transfer 31.31 GB for 11 files in varying sizes
- which on average came out to around a transfer rate of 2.087gbps
- which is about 260.88 Megabytes per second
- i'd imagine this would even be slightly faster for files directly on the mac but wanted to test with a real scenario
- probably closer 290-300 Megabytes per second for files stored on the device rather than usb3
have not had a need to test this on mobile yet but iphones with the 10g usbc (and probably just usbc in general) should be fine
i'm sure if you're looking into buying one of these you already know all this but some things to keep in mind. your mileage may vary based on your cable length and runs/environment surrounding your network/cables for any electromagnetic interference. but generally as long as you have 2.5gb compatible ports and cabling and you should be good to go!
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Reviewed in the United States on July 11, 2025
★★★★★ 5
Solid USB-C Upgrade for 2.5GbE - Good Value and Performance - Good for Mac Users
I’ve been using this Ugreen adapter for a 6 months now and it’s become one of my go-to accessories. If you have a device like the M1 MacBook Pro or Mac Mini that’s limited to 1Gb Ethernet, this adapter is a great way to unlock faster speeds, especially if you’re upgrading your home or office network to 2.5GbE. I have everything connected to a 10Gb switch after I upgraded my Synology NAS and needed a way to improve access to it for storage.
Setup was truly plug and play, just connect the Ethernet cable to one end, plug the USB-C into your device, and you’re good to go. I noticed an immediate improvement in transfer speeds when moving large files to my NAS. This is perfect for anyone working with media or large data sets where Wi-Fi just doesn’t cut it. I was initially capped at 200MB/s. It more than doubled when I used the adapter to 200MB/s
At around $20, it’s excellent value when compared to higher-end adapters that cost much more but often deliver the same result. It’s compact, feels well made, and I’ve had zero issues with performance or stability. It does get slightly warm during long transfers, but I haven’t seen any drop in connection quality or speed.
If you’re trying to squeeze more speed out of your Mac Mini, laptop, or even a docked tablet, this is a solid upgrade. I keep mine on the desk and switch it between devices as needed. Highly recommended for anyone moving to a 2.5Gb network or needing faster wired performance.
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Reviewed in the United States on July 27, 2025
★★★★★ 5
MR. SULU… PREPARE FOR WARP SPEED. ENGAGE.
Rocket fast. Sleek, smooth design. Have another adapter from different company, which tends to fail when utilizing more than 1.5 GB. It just decides to downshift the first gear.
This adapter does not.
Speeds are scary.
SpeedTest results are fun, watching the gauge being download teat and swing radically to the right. Pinned.
Speeds coming in at 2,327 mb/s uploads at 2,150 mb/s (depending on time of day.
Great for streaming content from laptop 4K, Dolby Vision Dolby Atmos, no problems… smooth no hiccups
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Reviewed in the United States on May 28, 2026
★★★★★ 5
Great speed, connection sometimes blocked but there is a solution.
I wanted to take advantage of my 3gb fiber connection, and the best way was to connect my Mac M1 via Ethernet. This looked like a good solution. It started pretty good. I could almost max out my 2.5gb port on my switch. Then a strange thing started happening.
At odd, but consistent, intervals, my connection would stop and say it was 'blocked'. If I waited, it would come back to active. If I switched Thunderbolt ports, it would come back instantly. Annoying.
After a couple of days trying different ports, cables, DHCP vs static IP, and WiFi working flawlessly, I figured it was something in the Mac. Many Google searches directed me to the Thunderbolt Bridge. Apparently, this feature is to directly connect two Macs together IP for a high-speed connection. But it has been known to cause my issue.
I removed the Thunderbolt Bridge service (I can add it back later if needed), rebooted, and have been working great for over a day now. Hopefully, this might help someone in the future.
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Reviewed in the United States on May 24, 2026