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In this guide
Choosing the right Lga 3 X99 Motherboard is essential for building a powerful workstation or gaming rig. These boards support high core count CPUs and offer extensive memory and expansion options for demanding tasks.
We analyzed ten top models based on socket compatibility, memory support, storage interfaces, and build quality. Each entry includes detailed specs and real world performance insights to help you decide.
Every pick highlights specific strengths like dual CPU support or fast M.2 slots. Please note that availability and pricing can change frequently so verify details before purchasing your new system.
Top 3 Picks for Best Lga 3 X99 Motherboard
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Top 10 Best Lga 3 X99 Motherboard in 2026 Compared
The following table offers a side by side comparison of all ten selected motherboards. Check the specs to find the model that fits your CPU and memory needs.
1. MACHINIST X99 V9S – Best Overall Lga 3 X99 Motherboard
This MACHINIST board is a strong choice for workstation builds needing high core count CPUs. It supports a wide range of Xeon E5 and Core i7 processors with excellent memory flexibility.
Pros
- Supports Xeon E5 V3 and V4
- Triple M.2 NVME support
- High memory capacity up to 128GB
- Includes VRM cooling fan
- Gigabit Network included
Cons
- User manual not included
- Battery not included
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The standout feature is the triple NVME M.2 slot support which allows for extremely fast storage arrays. The 4-channel DDR4 support ensures you can reach up to 128GB of RAM for heavy multitasking.
While the VRM cooling fan helps with heat dissipation the lack of an included manual and battery means you need to be prepared for setup. Check CPU and memory compatibility carefully before installation.
Buy this if you need maximum storage speed and memory capacity on a budget. It is ideal for rendering servers or database workstations that require stable multi-core performance.
Triple M.2 Storage Power
With three PCIe 3.0 X4 M.2 slots you can run multiple high speed SSDs for ultimate data throughput and low latency storage configurations.
Robust CPU Support
The board handles Intel Xeon E5 V3 V4 and Core i7 5th and 6th gen processors offering flexible options for both server and desktop use cases.
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2. X99 PR9-H White – Best Budget Lga 3 X99 Motherboard
The X99 PR9-H White offers a budget friendly entry into the X99 ecosystem with solid basic features. It supports Xeon E5 and Core i7 CPUs with up to 128GB of DDR4 memory.
Pros
- Compact Micro ATX design
- Supports 128GB RAM
- Includes pre-assembled I/O shield
- Realtek audio codec included
- 6-layer PCB design
Cons
- Manual not included
- No battery included
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Its Micro ATX size makes it easy to fit into smaller cases while still providing essential connectivity like Gigabit LAN and NVME M.2 support. The 6-layer PCB helps ensure stable power delivery.
Note that the manual and battery are not included so you may need to source drivers or files online. However the pre-assembled I/O shield simplifies the physical installation process.
Choose this board if you want a simple and affordable Lga 3 X99 Motherboard for a home server or entry level workstation without needing extreme expansion.
Compact and Efficient
The Micro ATX footprint allows you to build a powerful system in a smaller chassis without sacrificing CPU or memory performance options.
Reliable Connectivity
Built-in Realtek audio and Gigabit LAN provide ready to use networking and sound capabilities for everyday computing and gaming needs.
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3. ASUS EATX X99-E WS – Best Premium Lga 3 X99 Motherboard
This ASUS EATX board is designed for high end workstations that need extreme graphical power and data speeds. It supports Quad GPU configurations and includes USB 3.1 for faster transfers.
Pros
- Supports up to 4 GPUs
- Includes USB 3.1 ports
- Thunderbolt II card support
- 5-Way Optimization tool
- Premium power components
Cons
- Requires large EATX case
- Higher price point
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The board features Supreme Power Solution components that ensure stable delivery even under heavy loads. 5-Way Optimization makes system tuning easy with one click settings for performance and cooling.
While it is expensive and requires a large case the Thunderbolt II and M.2 support provide future proofing for professional media editing and 3D rendering tasks that need maximum I/O bandwidth.
Invest in this board if you are building a top tier workstation and need reliable premium features like SLI support and fast storage interfaces for demanding software.
Quad GPU Capability
The board supports up to 4-way PCIe Gen3 x16 links allowing you to use multiple NVIDIA GeForce SLI or AMD CrossFireX graphics cards for serious rendering.
Fast I/O and Expansion
With USB 3.1 and Thunderbolt II card support you get rapid data transfer rates essential for large video files and professional workflows.
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4. ASUS X99-A – Solid Lga 3 X99 Motherboard
The ASUS X99-A provides a reliable foundation for Core i7 and Xeon builds with a focus on easy tuning. It features the OC Socket to drive CPU and memory performance beyond expectations.
Pros
- Supports Core i7 2011-v3
- Includes OC Socket
- 5-Way Optimization included
- SATA Express support
- Gigabit Ethernet included
Cons
- Older USB 3.0 only
- Limited M.2 options
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Dual Intelligent Processors 5 simplify system management with one click overclocking and cooling adjustments. Crystal Sound 2 ensures high quality audio output for gaming and media consumption.
While it lacks the newest USB standards it still offers robust SATA Express and Gigabit LAN for solid connectivity. This makes it a dependable choice for users prioritizing stability over cutting edge ports.
Select this board if you want a balanced ATX solution with good audio and tuning tools for a gaming or productivity build without needing multi GPU setups.
OC Socket Advantage
The OC Socket helps push your CPU and DDR4 memory to higher stable frequencies for better performance in demanding applications and games.
Quality Audio
Crystal Sound 2 delivers studio grade sound quality which enhances the experience for gamers and content creators using onboard audio.
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5. X99 Dual CPU Board – Dual Processor Lga 3 X99 Motherboard
This board stands out for its dual CPU capability allowing you to double your core count for heavy server workloads. It supports up to 256GB of DDR4 memory across eight slots.
Pros
- Supports dual Xeon CPUs
- Up to 256GB memory capacity
- Multiple PCIe expansion slots
- 6x SATA3.0 interfaces
- Integrated sound and NIC
Cons
- Limited brand reputation
- No manual details
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The layout includes two PCIe X16 slots which are useful for adding RAID cards or additional network adapters. It also offers plenty of SATA ports for multi drive storage arrays.
While specs are minimal in the listing the dual CPU support makes it a unique option for home labs or small business servers that need massive multitasking power.
Consider this if you specifically need dual socket Xeon support to run multiple virtual machines or handle complex database tasks on a single system.
Massive Multi-Core Power
By supporting two Xeon CPUs you can achieve extremely high thread counts essential for rendering virtualization and scientific computing tasks.
High Memory Capacity
With eight DIMM slots you can install up to 256GB of RAM ensuring your system never bottlenecks due to memory limits.
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6. Tangxi X99 Gaming – Compact Lga 3 X99 Motherboard
The Tangxi board is a compact Micro ATX option that still supports powerful 4-channel DDR4 memory configurations. It is built with an 8-layer PCB to enhance signal integrity and stability.
Pros
- Supports 4 Channel DDR4
- 8-Layer PCB for stability
- NVME M.2 slot included
- 24+8 pin power connector
- Gigabit LAN port
Cons
- Lower user rating
- Limited USB ports
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Features include a high speed M.2 NVME slot for fast boot and storage plus a 6 phase power supply for reliable CPU performance under load. This makes it a good fit for smaller high performance builds.
However user reviews indicate lower reliability compared to major brands so check warranty details carefully. It may be a viable budget choice if you are comfortable with limited support.
Choose this if you want a small form factor board with 4-channel memory support for a tight budget and are willing to manage potential setup quirks yourself.
Enhanced Signal Integrity
The 8-layer PCB design helps reduce electrical noise and provides better stability for memory overclocking and high speed data transfer.
Strong Power Delivery
With a 6 phase power supply and 24+8 pin connectors the board ensures stable voltage for the CPU during intensive gaming or work tasks.
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7. X99 Dual CPU 8 Slots – Memory Heavy Lga 3 X99 Motherboard
This model is similar to other dual CPU boards offering extensive memory and expansion options. It supports two Xeon E5 processors and up to 256GB of DDR4 RAM for maximum workloads.
Pros
- Supports dual Xeon CPUs
- High memory capacity
- Multiple PCIe slots
- Integrated audio chip
- RTL8111H LAN
Cons
- Low reliability rating
- Sparse documentation
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The inclusion of six SATA3.0 interfaces makes it easy to connect multiple hard drives for storage arrays. Two PCIe X16 slots allow for expansion cards like RAID controllers or additional network adapters.
Given the low reliability rating ensure you have a solid backup plan when building with this board. It suits users who need specific dual CPU capabilities and accept potential risks.
Opt for this if your main requirement is dual socket support for virtualization or rendering and you need the high memory capacity these chips offer.
Dual Socket Scalability
Running two Xeon CPUs allows for extreme thread counts and memory bandwidth ideal for heavy virtualization and database workloads.
Storage and Expansion
With six SATA ports and two PCIe x16 slots you can build a large storage array or add specialized hardware for your specific tasks.
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8. Pc Motherboard X99 – Dual M.2 Lga 3 X99 Motherboard
This board offers rare compatibility with both DDR3 and DDR4 memory which can save costs if you already have old RAM modules. It also includes two M.2 NVME slots for fast storage.
Pros
- Supports both DDR3 and DDR4
- Dual M.2 NVME slots
- Enhanced memory performance
- Core boost power layout
- Passive heatsink included
Cons
- Limited specific specs listed
- High price point
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The design features core boost power and improved signal routing for better memory overclocking potential. Passive heatsinks on the chipset help maintain cool temperatures during extended workloads.
While the listing is brief the dual memory type support is a unique selling point for budget builds that want flexibility. Verify exact chipset support before purchasing.
Pick this if you need the option to use older DDR3 memory alongside newer DDR4 or if you need dual M.2 NVME support on a single board.
Memory Flexibility
Supporting both DDR3 and DDR4 allows you to reuse existing memory or upgrade gradually without forcing a full system memory replacement.
High Speed Storage
Dual M.2 NVME slots enable you to install two high speed SSDs for faster boot times and quicker load times in games and apps.
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9. X99 M-ATX E5 V3 V4 – Compact Server Lga 3 X99 Motherboard
This model appears to focus on server needs with M-ATX sizing and support for Xeon E5 V3 V4 CPUs. The mention of multiple SATA interfaces suggests it is intended for storage heavy tasks.
Pros
- Compact M-ATX size
- Supports Xeon E5 V3 V4
- NVME M.2 PCIe 3.0
- Multiple SATA interfaces
- 16x SATA options
Cons
- Very few details available
- Unknown brand support
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It includes an NVME M.2 PCIe 3.0 slot which adds modern fast storage capability to an older platform. This balance of legacy and modern interfaces makes it interesting for homelab use.
Due to limited available information verify your specific CPU and RAM needs before buying. Ensure the case fits the M-ATX form factor and check connectivity requirements.
Use this if you need a small board with many SATA ports for a NAS or home server that uses Xeon E5 processors for efficient processing.
Storage Focused Design
With extensive SATA connectivity this board is well suited for home server or NAS builds that require multiple hard drives for redundancy.
Modern Storage Option
The included NVME M.2 slot allows you to add a fast SSD for your operating system alongside large capacity HDDs.
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10. E5 MR9A V1.0 – Reliable ATX Lga 3 X99 Motherboard
This board provides standard ATX size with support for Xeon E5 processors and DDR4 memory. It includes essential modern features like NVME M.2 and USB 3.0 for faster connectivity.
Pros
- Supports Xeon E5 V3 V4
- Solid power and cooling
- Includes NVME M.2
- USB 3.0 support
- Wide peripheral compatibility
Cons
- Sparse documentation
- Unknown reliability
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The solid power supply design aims to keep temperatures low under full load which helps ensure stability during long work sessions. It is compatible with many peripherals for flexible setups.
While specific details are limited the features align well with general workstation needs. Check community feedback for real world reliability reports before committing to this model.
Select this if you want a standard ATX board with basic Xeon support and modern connectivity without needing extreme expansion or dual CPU capabilities.
Thermal Efficiency
A solid power supply and cooling design help maintain low temperatures which improves system stability during long renders or data processing tasks.
Universal Connectivity
USB 3.0 and NVME M.2 ensure you can connect modern high speed peripherals and storage devices without needing extra expansion cards.
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Buying Guide – How to Choose the Best Lga 3 X99 Motherboard
Choosing the right board involves balancing CPU support memory capacity storage speed and form factor. Use this guide to understand key factors before you buy.
CPU Compatibility
Ensure the board supports your chosen processor whether it is a Xeon E5 V3 V4 or a Core i7 5th or 6th gen model. Check specific model support lists to avoid issues.
Verify that your CPU matches the socket and chipset requirements to guarantee stable operation and access to all features.
Memory Capacity
Look for boards with enough DIMM slots to meet your RAM needs. Some boards support up to 128GB or even 256GB which is vital for virtualization and rendering.
Choose a board with sufficient slots and channel support to scale memory without replacing the motherboard later.
Storage Interfaces
Modern NVME M.2 slots provide much faster boot and load times than traditional SATA drives. Check how many M.2 slots the board includes for your storage plan.
Prioritize boards with multiple M.2 slots if you want to run fast RAID arrays or separate OS and game drives.
Form Factor
Decide between ATX M-ATX or EATX sizes based on your case and expansion needs. Smaller boards save space but offer fewer slots for cards.
Select a form factor that fits your case and provides the number of PCIe slots you need for GPUs or add in cards.
Power Delivery
Strong VRMs and cooling are essential for stable CPU performance especially when using high core count Xeon processors. Look for solid capacitors and heatsinks.
Good power delivery ensures your CPU stays stable during long workloads without throttling or shutting down unexpectedly.
Network and Audio
Built in Gigabit LAN and decent audio codecs are standard but check for quality if you need high fidelity sound or fast networking.
Integrated components help reduce costs but verify they meet your needs before relying on them.
Peripheral Connectivity
Check USB 3.0 and 3.1 port counts to ensure you can connect all your devices without extra hubs. More ports improve convenience.
Verify header availability for front panel USB to maximize your case connectivity options.
Build Quality and Support
Branded boards often offer better documentation warranty and driver support. For generic brands check community feedback and warranty terms.
Choose a board with proven reliability to avoid early failures and to have access to updates if needed.
How to Use and Care for Your Lga 3 X99 Motherboard
Before installation ensure you have the correct CPU bracket and thermal paste. Insert the CPU carefully and secure the cooler to avoid bending pins.
Connect all power cables including 24-pin and CPU 8-pin connectors before booting. Use the onboard debug LEDs or beep codes to verify successful POST.
Regularly clean dust from heatsinks and fans to maintain cooling efficiency. Monitor temperatures in your OS to ensure the board stays cool under load.
Frequently Asked Questions
What CPUs work with Lga 3 X99 Motherboards?
These boards support Intel Xeon E5 V3 and V4 series processors and select Core i7 5th and 6th gen chips. Always check the specific CPU support list for your board model.
Can I use DDR3 memory on X99 boards?
Most X99 boards require DDR4 memory but a few specialized models support both DDR3 and DDR4. Verify your specific board before purchasing RAM.
Do X99 boards support NVME SSDs?
Yes most modern X99 boards include at least one M.2 slot that supports NVME SSDs for fast storage. Check how many slots are available for multiple drives.
Is dual CPU support common on X99 boards?
Dual CPU support is available on specific X99 boards but not all models. Look for boards that explicitly state support for two processors if you need extra cores.
What is the maximum RAM for X99 boards?
Most X99 boards support up to 128GB of DDR4 memory while some with eight slots can go up to 256GB. Ensure your CPU supports the memory type you choose.
Do I need a BIOS update for Xeon CPUs?
Some boards may require a BIOS update to support newer Xeon V4 processors. Check the manufacturer page for update files before installing a new CPU.
What power connectors does X99 require?
Standard X99 boards need a 24-pin ATX power connector and an 8-pin CPU power connector. Some boards may require an additional 4-pin connector for full load.
Final Thoughts on Choosing the Best Lga 3 X99 Motherboard
The ASUS EATX X99-E WS stands out for premium workstations needing extreme GPU and data bandwidth. For budget builds the MACHINIST X99 V9S offers triple NVME support at a low price.
Prioritize CPU and memory compatibility first then decide on storage speed and form factor needs. Choose boards with good VRM cooling to ensure long term reliability under load.
Remember that prices and availability fluctuate so check current listings before buying. Verify warranty details especially for generic brands to protect your investment.