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For OBS itself, the OBS Studio store listing gives 4 GB of RAM as a minimum and 8 GB as recommended. Those are software-level requirements, not a guarantee that a computer can stream a game or a complex production smoothly. The right amount for your setup depends on what else the computer is doing, and the official guidance does not give a RAM figure for each workload.

What OBS’s RAM figures do—and do not—tell you

The OBS Studio store listing states 4 GB RAM minimum and 8 GB recommended for its listed Windows and macOS requirements. Treat those as the listing’s baseline for OBS, not as a universal recommendation for streaming games, recording locally, or running elaborate scenes. The listing’s publication date is not shown in the captured result.

OBS’s official system requirements page does not specify a RAM capacity. It warns: “Having a compatible system does not guarantee that it is capable of streaming or recording using OBS Studio.” The page, dated August 25, 2021, says CPU needs vary with the encoder, resolution, frame rate, and scene complexity, and points users to the Auto-Configuration Wizard to find settings suited to their hardware. OBS system requirements

Is 8 GB enough for your stream?

Eight gigabytes is the OBS store listing’s recommended amount for the software, but that alone cannot establish whether it is enough for your particular stream. Consider what runs alongside OBS and test your actual setup rather than treating the number as a performance guarantee.

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#1 Best Overall
Elebase USB to USB C Adapter for iPhone 18 Pro Max,USBC Car Charger Adapter
  • Read Before You Buy — No Video Output: These adapters support charging and USB 2.0 data transfer, but cannot transmit video signals. Except for standard USB webcams (which use USB data only), they are not compatible with HDMI/DisplayPort cables, video-capable USB-C hubs, or docking stations with video output.
  • Convert USB-A Ports to USB-C: Designed to connect USB-C earphones, cables, flash drives, card readers, and other USB-C accessories to standard USB-A ports. Plug-and-play with no drivers or software required.
  • Aluminum Alloy Housing: Built with a sturdy aluminum alloy shell that aids in heat dissipation and protects against daily wear and scratches. Designed to maintain a stable and secure connection.
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  • 12-Month Warranty: Backed by a 12-month manufacturer warranty for peace of mind. Designed to meet strict quality control standards for reliable everyday performance.
  • OBS alone or with other apps: Think about whether you keep a browser, chat, or other applications open while streaming.
  • Streaming or streaming plus recording: A local recording adds another task to the computer’s workload; the cited guidance does not quantify its RAM use.
  • Simple or complex scenes: Multiple sources and browser-based overlays make a scene more involved. OBS identifies scene complexity as a factor in CPU requirements, but its guidance does not provide a RAM estimate for a given scene.
  • Streaming or streaming and gaming: A game runs alongside OBS and may change what your system needs. The cited sources do not provide a measured RAM prescription for this combination.

These are planning questions, not a workload-by-workload memory chart: the official guidance does not publish one. For encoding specifically, Twitch says x264 can be CPU-intensive, and that higher resolution and frame rate require more encoding power. Those are CPU and encoding considerations, not measurements of system RAM. Twitch broadcasting guidelines

System RAM is not GPU memory

System RAM and graphics-card memory (VRAM) are different resources. Twitch’s surfaced 1440p guidance includes software, GPU, operating-system, display-resolution, and upstream-bandwidth requirements; its dual-format guidance includes broadcast software, GPU and driver, upstream bandwidth, and track counts. Neither surfaced page specifies a system RAM requirement. A GPU requirement therefore should not be read as a RAM recommendation. Twitch 2K streaming guidance · Twitch dual-format guidance

Rank #2
Anker USB-C Hub, 5-in-1 USB Hub for Laptops, 4K HDMI Multiport Adapter
  • 5-in-1 USB-C Hub: Experience comprehensive connectivity featuring a Power Delivery input, two USB-A 2.0 ports, a USB-A 3.0 port, and an HDMI port. (Note: The USB-C power delivery input port is only for connecting an external wall charger to power your laptop and cannot power peripheral devices.)
  • 90W Pass-Through Charging: Achieve optimal charging with 90W pass-through power to your laptop, supported by a total input of 100W, with the hub reserving 10W for operational efficiency. (Note: Wall charger not included.)
  • Quick Data Transfers: Accelerate your productivity with rapid data transfers using a high-speed 5Gbps USB 3.0 port and two 480Mbps USB 2.0 ports.
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  • What You Get: Anker USB-C Hub (5-in-1, 4K HDMI), welcome guide, 18-month warranty, and our friendly customer service.

Should you upgrade your RAM?

First compare your current memory capacity with the OBS listing’s baseline, then evaluate your actual workload. The cited official guidance does not establish a universal capacity that guarantees smooth streaming, or a measured amount for gaming, recording, 1440p, or dual-format broadcasts. If you are deciding whether to upgrade, assess the full computer and the applications you run—not just the stream resolution or a single RAM number.

Check compatibility before buying

Memory must match what your computer or motherboard supports. Desktop DIMMs and laptop SO-DIMMs have different form factors, and memory generations are not interchangeable. Check the computer or motherboard model and its supported memory type and maximum capacity before choosing a kit; the general streaming guidance does not identify one universally suitable upgrade.

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Rank #3
Sale
Anker USB C Hub, 7in1 Multi-Port USB Adapter, 4K@60Hz USBC to HDMI Splitter
  • Sleek 7-in-1 USB-C Hub: Features an HDMI port, two USB-A 3.0 ports, and a USB-C data port, each providing 5Gbps transfer speeds. It also includes a USB-C PD input port for charging up to 100W and dual SD and TF card slots, all in a compact design.
  • Flawless 4K@60Hz Video with HDMI: Delivers exceptional clarity and smoothness with its 4K@60Hz HDMI port, making it ideal for high-definition presentations and entertainment. (Note: Only the HDMI port supports video projection; the USB-C port is for data transfer only.)
  • Double Up on Efficiency: The two USB-A 3.0 ports and a USB-C port support a fast 5Gbps data rate, significantly boosting your transfer speeds and improving productivity.
  • Fast and Reliable 85W Charging: Offers high-capacity, speedy charging for laptops up to 85W, so you spend less time tethered to an outlet and more time being productive.
  • What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.

Check settings with OBS before changing hardware

OBS’s Auto-Configuration Wizard can suggest settings for your hardware. Use it as a starting point, then try the scenes, applications, and recording options you actually plan to use. OBS’s own warning remains important: compatible hardware does not necessarily have enough performance for every streaming or recording workload.

Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Support on Ko-Fi

Or let it run in the cloud

If your goal is to keep a YouTube channel live with uploaded videos rather than stream a live camera or game session, StreamNeo runs the loop from the cloud: your computer and home connection do not need to stay on. Upload a recording or build a playlist, add your YouTube stream key once, and go live.

Rank #4
Sale
UGREEN USB to USB C Adapter Combo 4-Pack, 10Gbps USB C Converter Space Gray
  • Dual Converters, Infinite Potential:Includes 2× USB C male to USB A female adapters and 2× USB A male to USB C female adapters. Perfect for a wide range of uses—tablets with Bluetooth keyboards, expand USB ports on macbook, and more. Two different converters for all your daily needs
  • Next-Level 10Gbps & 3A Charging: No more slow 480Mbps, this usb to usb c adapter has a transfer speed of up to 10Gbps, allowing you to do more transferring in less time. This usb adapter fits both USB A and USB C charger, supporting up to 3A fast charging
  • Upgraded Exquisite Craftsmanship: With an aluminum alloy housing and metal connector, the usbc to usb adapter is extremely durable and sturdy. Rigorously tested to withstand more than 10,000 times of plugging and unplugging, ensuring long-lasting performance
  • Broad Compatible: The usb c to usb adapter widely supports all USB C/ USB A devices like laptops, tablets, cellphones, car chargers, and phone chargers. Such as compatible with MacBook Pro/Air 2023/2022, Thunderbolt 4/3 Devices,Apple MagSafe Watch 9/8/7/SE/Ultra, iPad Pro 2022/2021, Samsung Galaxy S23/S20/S10, and iPhone 17/16/15 Pro. Plug and play
  • Please Note: To reach 10Gbps speed, keep the cable under 3.3 ft. For USB A Male to USB C adapters, try flipping the USB C connector. USB C Male to USB A adapters support bidirectional 10Gbps transfer within 3.3 ft
  • Nothing has to stay on at home while the cloud stream runs.
  • Every slot streams your upload as made, up to 4K 60fps, at one flat price per slot.
  • StreamNeo automatically recovers if YouTube drops the stream.
  • The first day is free with no card; it is one free day per account.

The monthly plan is $9.99 per month. See StreamNeo for details, or start your free day.

Best Value
Anker USB C Hub, 5-in-1 USBC to HDMI Splitter with 4K Display
  • 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
  • Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
  • Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
  • HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
  • What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.

Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.

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