SKU: 30516494748

Supermicro C9X299-PG300 Desktop Motherboard - Intel X299 Chipset - Socket R4 LGA-2066 - Intel Optane Memory Ready - ATX

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Description

Supermicro C9X299-PG300 Desktop Motherboard - Intel X299 Chipset - Socket R4 LGA-2066 - Intel Optane Memory Ready - ATXSupermicro C9X299 PG300 Desktop Motherboard Intel X299 Chipset Socket R4 LGA 2066 The Supermicro C9X299 PG300 is engineered for serious performance enthusiasts and professionals who demand uncompromising power, scalability, and reliability. Built around the Intel X299 Express Chipset and the Socket R4 LGA 2066 platform, this ATX motherboard is designed to support Intel Core X Series processors for extraordinary compute capabilities, seamless

Supermicro C9X299-PG300 Desktop Motherboard - Intel X299 Chipset - Socket R4 LGA-2066

The Supermicro C9X299-PG300 is engineered for serious performance enthusiasts and professionals who demand uncompromising power, scalability, and reliability. Built around the Intel X299 Express Chipset and the Socket R4 LGA-2066 platform, this ATX motherboard is designed to support Intel Core X-Series processors for extraordinary compute capabilities, seamless overclocking, and advanced memory tuning. With Optane memory readiness and robust I/O options, it’s a compelling foundation for high-end workstations, content creation rigs, and extreme gaming systems that thrive under heavy workloads and extended operation. This board blends high-density voltage regulation, thermal management, and expansive storage and expansion capabilities to empower designers, developers, and power users who expect more from their desktop platform.

  • Power and performance for Core X-Series — Leveraging the Intel X299 Express Chipset and Socket R4 LGA-2066, the C9X299-PG300 is built to unleash the full potential of Core i9/i7/i5 X-Series processors. It supports CPU and memory overclocking to push every ounce of performance from enthusiast-grade CPUs, delivering faster rendering, smoother 4K workflows, and snappier multi-threaded tasks. This board is purpose-built for users who require peak throughput and the agility to tune systems for demanding applications.
  • Memory and storage versatility — Designed to handle high-bandwidth DDR4 memory with quad-channel architecture, this motherboard enables substantial memory capacity and improved data throughput. It also supports modern storage configurations, including M.2 NVMe drives and traditional SATA options, giving you the flexibility to configure blazing-fast boot drives and expansive data stores for large projects, databases, and media libraries.
  • Expansion and connectivity breadth — The C9X299-PG300 offers abundant PCIe expansion paths to host multiple GPUs, accelerators, and add-in cards. Whether you’re building a multi-GPU workstation for machine learning or a content-creation rig with advanced I/O needs, you’ll appreciate the platform’s scalable lanes and connectivity options, enabling a future-proof setup that grows with your workloads.
  • Intel Optane Memory readiness — This motherboard is Optane Memory Ready, enabling faster responsiveness by accelerating frequently accessed data and improving system boot times. When paired with Optane memory modules, you can expect quicker application launches, smoother multitasking, and more responsive overall system performance during intensive tasks like 3D rendering, video editing, and large-scale simulations.
  • Build quality, reliability, and cooling — The ATX form factor houses a robust power delivery design and comprehensive cooling paths to maintain stability under load. With reinforced components, meticulous layout, and efficient heat dissipation, the C9X299-PG300 is well-suited for extended gaming sessions, long renders, and continuous computation without throttling or thermal dips. It’s a workstation-class motherboard built to endure demanding environments.

Technical Details of Supermicro C9X299-PG300

  • Chipset: Intel X299 Express Chipset
  • CPU Socket: LGA-2066 (Socket R4)
  • Form Factor: ATX
  • Memory Support: DDR4 memory with multi-channel (quad-channel) configuration; supports high-speed memory modules and overclocking capabilities for enhanced throughput
  • Expansion Slots: Multiple PCIe 3.0 slots to accommodate GPUs and PCIe add-in cards; designed for flexible expansion and future-proofing
  • Storage Options: Supports M.2 NVMe SSDs and SATA drives for fast boot and data access alongside ample storage capacity
  • Networking and I/O: Onboard NIC options with ample USB connectivity to support peripherals, external storage, and fast data transfer
  • Optane Ready: Compatible with Intel Optane memory modules to accelerate system responsiveness and workload performance

how to install Supermicro C9X299-PG300

Installing the C9X299-PG300 is straightforward for builders familiar with assembling desktop workstations. Follow these general steps to set up the motherboard with a compatible CPU, memory, storage, and peripherals. Ensure you have a compatible power supply, case, and cooling solution before you begin.

  • Prepare the case and stand-offs: Install the case standoffs in the appropriate motherboard mounting points for the ATX form factor. Make sure the back I/O cutout aligns with the motherboard and there’s ample clearance for airflow around the VRMs and chipset heatsinks.
  • Install the CPU: Open the CPU socket lever, align the CPU with the socket keying, and gently seat the Core X-Series processor into LGA-2066. Secure the socket latch as directed by the motherboard’s documentation. Apply thermal interface material as needed and attach your cooling solution to ensure effective heat dissipation.
  • Seat memory modules: Install DDR4 memory modules into the recommended DIMM slots in the motherboard’s manual. Use the correct dual- or quad-channel configuration to maximize bandwidth and performance. Confirm each module is fully seated with a firm click.
  • Install storage devices: Mount M.2 NVMe drives into the M.2 slots if present, and connect any SATA drives or SSDs to the appropriate ports. If your case includes quick-access USB or NVMe drives, ensure you route cables cleanly to avoid airflow disruption.
  • Mount the motherboard and connect power: Gently place the motherboard into the case and secure it with screws. Connect the 24-pin main power, the 8-pin (or 4+4) CPU power, and any additional power lines required by the board’s VRMs. Attach the front-panel USB, audio, and case switches according to the manual.
  • Configure BIOS/UEFI: Power on the system and enter the BIOS/UEFI to configure boot order, memory XMP/overclocking profiles, and any intended PCIe lane allocations for GPUs or PCIe switches. Save changes and install your operating system and drivers.
  • Install operating system and drivers: Install your preferred OS, then load chipset, storage, and graphics drivers from the motherboard’s support page. Update the BIOS if a newer version is available to ensure compatibility and stability with the latest CPUs and memory modules.

Frequently asked questions

  • Q: What CPUs are supported on the C9X299-PG300? A: The motherboard is designed for Intel Core X-Series processors using the LGA-2066 socket, delivering robust multi-core performance suitable for high-end desktops and workstations. Overclocking is supported on compatible CPUs and memory kits, enabling additional performance headroom.
  • Q: Does this board support Intel Optane memory? A: Yes. The C9X299-PG300 is Optane Memory Ready, allowing you to pair Intel Optane memory modules to accelerate system responsiveness and data access for frequently used workloads.
  • Q: Is this motherboard suitable for gaming, content creation, and professional workloads? A: Absolutely. Its robust VRM design, memory tuning capabilities, and expansive PCIe expansion make it well-suited for gaming rigs, 3D rendering, video editing, CAD applications, and other demanding tasks that benefit from high memory bandwidth and CPU performance.
  • Q: Can I overclock memory and CPU on this board? A: Yes. The platform supports CPU and memory overclocking on compatible CPUs and memory modules. Users should follow the motherboard manual for safe power and thermal settings to avoid instability or damage.
  • Q: What kind of storage options does it offer? A: The motherboard supports modern NVMe M.2 drives for fast boot and application-load speeds, along with SATA storage options to meet larger capacity needs. This combination provides both speed and capacity for varied workflows.
  • Q: How do I ensure compatibility with components? A: Review the official compatibility lists and the motherboard manual for supported CPU generations, memory configurations, and expansion cards. When in doubt, choose high-quality, shop-verified components from reputable brands and verify BIOS compatibility before purchase or assembly.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 30516494748

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Tharin
Port Orchard, US
★★★★★ 5
BUY THIS ONE!
Model: NewSLS50_52
This is one of the good ones. There are other brands just as good, and manny brands are worse, but this handles well, rolls down easily, doesn't come off at all easily, and adapts to dips and curves like a champ. Appropriately heavy and dead, I'm happy with the way it smothers panel resonances and even at muffling direct sound, like a big hand over my Uncle Harry's eternally noisy mouth. You can rip the foil but you have to work hard at doing that. Remember to buy a brayer; you can roll overlaps nice and thin. Also remember to pre-wipe the sheet metal with a decent solvent like acetone or Stoddard/Varsol. It should last forever.
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Reviewed in the United States on April 26, 2025
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Harvey
Chelsea, US
★★★★★ 5
Good stuff, but watch the temp
Model: NewSLS50_52
I used this in my single cab pickup truck (89 ford.) It only took half the box (10 sheets or 25 square feet) to do the floors, but I bought the big box because I plan to do the doors, back wall, and maybe the roof as well. One thing I learned is that the temperature matters when you’re doing the installation. It was around 55F when I started in the evening, and when it dipped down into the 40s the sheets would not stick to the metal, and were hard to compress with the roller. That’s why I ended up only doing the floors and not any vertical surfaces; i will have to wait for a nice hot day. The other thing is that the foil layer on top is razor sharp at the edges, definitely wear gloves! I didn’t notice until after but I have little papercuts all over my fingers. Aside from those things, the install was easy and straightforward. The sheets cut easily with scissors, and any goo that ends up on your hands or scissors can be cleaned up with acetone (nail polish remover), or lacquer thinner. I would use this stuff again.
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Reviewed in the United States on November 16, 2023
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Lyrah
Whiting, US
★★★★★ 5
Very efficient!
Model: NewSLS50_52
Amazing the difference it makes on dumping the noise. Very easy to install. Pell and stick literally! Great!
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Reviewed in the United States on November 23, 2025
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SMK
Chelsea, US
★★★★★ 5
This will work but prep is key!
I have an older RV that the gelcoat has dulled and is oxidized, but otherwise in good shape. I have buffed and polished in the past only for it to last a short time. I was looking up different products to try and this one has such good reviews, I thought I would give it a try. I bought the kit with the Poliglow and the Poliprep, with the scrubber and the microfiber glove. I started with the poliprep and it did a great job of gettting the streaks and black marks off. You spend a lot of time scrubbing to your likeness because anything that is still on the gelcoat when you apply the poliglow, it will be locked in there. The Poliglow is like a clearcoat that goes over the gelcoat. You have to build up layers and here are some of the tips and tricks I figured out that really helped my finished RV look great. First, make sure the applicator stays damp, this keeps the poliglow more uniform across the glove. Also, stick it in a zip lock bag when not using, you do not want it to dry out while you are using it. I found out that applying this in direct sunlight in warm temps, is the best method. This allows the poliglow to dry really fast. The first 3 or 4 layers will look streaky and dull but this is ok and as you build up the layers, the shine will come back. I found if you do this when its cooler, the layers do not dry as quick and you will get some permanent streaking or running. I had to remove a section I did in the evening because I noticed this. When in direct sunlight, this gave me the best results with no streaking or running. It dries fast and you can keep working. Like it says, do not do big sections at a time, keep it to small what you can reach sections and build those up and move on. As far as how much to buy? I have a 40 ft toy hauler and I got to kits and I had just enough to finish the whole thing minus the nose cap. I have Durabak on the nose cap, so I dont need to worry about that. I ended up buying one more bottle of the poliglow to have for my maintenance coats. Overall, I am pleased with how my 10 year old RV looks and other than some of the decals show age, it looks new again. If I were to buy a new RV, I would put this on right away and preserve the whole RV including the decals. Its not too expensive and its a lot of work, especially the prep, but it does end up with great results.
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Reviewed in the United States on July 21, 2023
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Gary Watkins
Los Angeles, US
★★★★★ 5
Excellent shine
Excellent line of products. Looking at the picture, you can see what the camper looked like before the Poli Glow. To the left of the window is the after Poli Glow. It takes some elbow grease (follow instructions well) but well worth it.
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Reviewed in the United States on May 26, 2026

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