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🎬 Elevate your rig game with ultra-slim 4K precision!
The SMALLRIG Ultra Slim 4K Adapter Cable (Model 3021) is a compact, flexible Micro HDMI (Type D) male to Full HDMI (Type A) female adapter cable designed for professional camera rigs. Supporting up to 4K@60Hz resolution, it features dual 1/4"-20 threaded female ends for secure mounting on cages or brackets. Compatible with Sony A7 series and Fujifilm X-T cameras, this 5.6-inch PVC cable protects fragile micro HDMI ports from wear while maintaining high-quality video output.











| ASIN | B08QVBJBP3 |
| Best Sellers Rank | #24 in Camera & Photo Cables & Cords |
| Brand | SMALLRIG |
| Color | Black |
| Compatible Devices | Camera |
| Connector Type | Type D to A |
| Current Rating | 1.5 A |
| Customer Reviews | 4.6 out of 5 stars 1,185 Reviews |
| Finish | Pvc |
| Finish Type | Pvc |
| Item Dimensions | 1.31 x 0.46 x 5.56 inches |
| Item Weight | 31 g |
| Item dimensions L x W x H | 1.31 x 0.46 x 5.56 inches |
| Manufacturer | SMALLRIG |
| Mfr Part Number | 3021-AU |
| Model Number | 3021 |
| Number of Items | 1 |
| Number of Ports | 1 |
| Package Quantity | 1 |
| Power Plug Type | No Plug |
| Unit Count | 1 Count |
| Warranty Type | Limited |
J**H
Very good product
Works great!
A**E
Saves your micro-HDMI connector!
I have an older G85 in a quasi-rig, and one point of failure that I was always concerned with was the on-camera micro HDMI port. This solves that problem for me in a sense that I can stop the wear and tear of connecting & disconnecting the very fragile on-camera HDMI port. Not to mention this provides "cord weight" relief from the on-camera port as well. Highly recommend for anyone using an older Lumix G7 or G85 in a rig.
S**L
I like it, but could still be a little better
I like this concept. It seems like this will be a good way to keep the delicate microHDMI port less likely to get damaged from a cable being pulled sideways while in the camera. I wish the cable was either a little more flexible or slightly longer. The only mounting position option is right next to the port since the cable is too short to allow this to mount to the top of the cage. Would have maybe been nice to also have to other mounting holes so that you could orient this 90 degrees in the opposite direction to change the direction of the input. But since this is the only product that I have seen like this, it will stay a 5 start item. It could be improved though.
G**E
Does the job but feels cheap
TL;DR: I bought both the D-to-A and A-to-A versions of this SMALLRIG adapter, basically to reduce wear on fragile camera HDMI ports. In terms of functionally, they work exactly as intended. My Sony ZV-E10 outputs a stable 4K signal through an Elgato Cam Link 4K with no issues at all. The downside is that the cable and connectors feel pretty cheap for the price, and the whole thing feels less durable than one generally expects from SMALLRIG. PROS: 🥳 Works reliably for 4K video output with no signal issues 🥳 Helps protect fragile micro HDMI ports from repeated plugging and unplugging 🥳 Locking screws help keep the adapter securely mounted 🥳 Compact and lightweight design CONS: 😩 Cable feels thin and flimsy 😩 Entire adapter is plastic and doesn't feel premium 😩 Micro HDMI connector feels somewhat low-end DETAILED REVIEW: BUILD QUALITY: This adapter is designed to reduce stress on camera HDMI ports, especially micro HDMI ports, which are notoriously fragile. That alone makes it useful for cameras like my Sony ZV-E10 where repeated plugging and unplugging can quickly damage the port. That said, the build quality feels pretty average. The entire adapter is plastic, and it definitely feels like plastic in the hand. The cable itself is very thin and flimsy-looking. Since HDMI either works or it doesn't, there isn't really much to say about "signal quality," but durability is another story. My biggest concern is that the cable will probably fail before anything else does. The one genuinely solid design feature is the pair of mounting screws that let you secure the adapter in place. That helps reduce strain on the camera port and makes the setup more stable. PERFORMANCE: Functionally, both adapters worked perfectly. The D-to-A version works flawlessly with my Elgato Cam Link 4K setup and maintains a stable 4K signal from my camera without any issues. I've had no dropouts, no signal problems, and no compatibility issues so far. In that sense, it does exactly what it's supposed to do. LONG-TERM DURABILITY: This is the biggest unknown for me right now. Neither adapter has failed yet, but neither has seen especially heavy use either. The A-to-A version barely got used, and the D-to-A adapter still hasn't gone through long-term daily wear. Because the cable and connectors feel somewhat cheap, especially the micro HDMI end, I'm not fully confident about long-term durability. If one part eventually fails, I suspect it'll be the cable first. VALUE: At around $10, this is easier to accept as a simple utility accessory. Still, it feels overpriced for what it physically is, especially considering the materials and cable quality. Unfortunately, international shipping made this much worse for me. I paid about $15 shipping on top of the adapter itself... 😬 FINAL THOUGHTS: This adapter does its job well and can help protect delicate HDMI ports on cameras like the Sony ZV-E10. If you need a compact HDMI strain-relief solution for a camera rig or capture setup, it works fine. Just don't expect premium materials or confidence-inspiring durability. For light to moderate use, it's probably fine. For heavy daily plugging and unplugging, I'd be curious how well the cable holds up over time. Shipping to Peru was expensive compared to the product itself, but the adapter arrived working properly and in good condition.
E**L
Excelente
Si llegó bien
C**E
Micro HDMI a HDMI Smallrig
Buen adaptador. Cumple con lo pedido y la marca lo respalda
C**E
Relieves stress on camera's HDMI jack
I bought this adapter because my camera ports are hidden behind part of my canera cage and it is difficult getting cables plugged into them. And HDMI cables are usually thick and stiff which will stress the camera's HDMI socket while I am trying to plug the cable in and get it routed. The cable on the adapter is very short and I had trouble finding a location on my cage that had the appropriate screw holes, was within reach of the camera jack, and wasn't obstructing anything else. As it is the cable makes several U turns and is under stress. But it least it will never have to be moved or unplugged. I wish there was a similar adapter to relocate my RX10-III's multifunction jack. ⭐⭐⭐ Is my base rating for a product that is fully functional and delivers on its promises.
A**O
Excelente
Excelente producto
A**N
Awesome solution to a problem we shouldn't have, MicroHDMI Sucks, but this makes it usable.
Well made, well thought-out product. For $10 it I'll save an expensive mainboard repair on a product. It's taken-out 2 HDMI cable-ends so far thanks to an errant boot, so this smallrig product is certainly sturdy!
D**É
Does what it says on the box!
Bought this to alleviate the risks of bending/damaging the microHDMI port on my Sony ZV-1 if I want to plug it to an external monitor or a USB capture card. Basically screws the adapter you'd be carrying anyway and you screw it on your cage. Make sure to check your cage and where you intend to screw it (there's pretty much only one location on mine) as the cable is very short. You don't want to force it in the ZV1 either (kinda defeats the purpose). Recommended!
T**S
Pretty Solid
pretty solid. as usual bold quality and usage is top notch. highly recommended
Ó**.
Buen producto. Cumple su función.
Cumple su función y se siente resistente, el cable es de plástico pero si resiste movimientos irregulares. Incluye una pequeña llave Allen del tamaño del tornillo del adaptador para poder ajustarlo al rig de tu cámara.
S**R
Solid Piece Excellent SmallRig Adapter
Every SmallRig product is master class on it’s own and this Adapter is also solid piece.
Trustpilot
3 weeks ago
3 weeks ago