MACHINIST X99 V9S
3.7Editor score
Supports Xeon E5 V3 V4
Three NVMe M.2 slots
4-channel DDR4 memory support
In this guide
Choosing the right Lga 3 X99 Motherboard is essential for building a powerful workstation or budget gaming rig. These boards support high core count Xeons and i7 CPUs with plenty of RAM slots and PCIe lanes for expansion.
We analyzed ten different models ranging from budget Chinese brands to established workstation solutions. Our comparison focuses on socket support, memory capacity, storage options, and overall build quality to help you find the best fit.
Each pick highlights unique strengths like dual CPU support, NVMe speeds, or stable VRMs for overclocking. Keep in mind that stock and availability change quickly so verify current listings before making your final purchase decision.
Top 3 Picks for Best Lga 3 X99 Motherboard
ASUS X99-E WS
4.1Editor score
Supports 4-way SLI CrossFire
Includes USB 3.1 ports
Q Code Logger for easy debugging
ASUS X99-A
3.9Editor score
OC Socket for improved performance
5-Way Optimization automation
Crystal Sound 2 audio
Top 10 Best Lga 3 X99 Motherboard in 2026 Compared
The following table breaks down the core specifications and features of each model we reviewed. This side-by-side view helps you quickly identify which board offers the memory slots, PCIe lanes, and storage interfaces you need for your build.
ProductsSpecificationsEditor scorePrice
Editor's Choice
MACHINIST X99 V9S
LGA 2011-3 Socket
4 DDR4 Slots Max 128GB
3 NVMe M.2 Slots
C612 Chipset
3.7Editor score
Editor's Choice
X99 PR9-H White
LGA 2011-3 Socket
4 DDR4 Slots Max 128GB
NVMe M.2 Slot
Realtek 8111H LAN
3.9Editor score
Best Premium
ASUS X99-E WS
LGA 2011-3 Socket
4-Way SLI CrossFire
USB 3.1 Ports
EATX Form Factor
4.1Editor score
ASUS X99-A
LGA 2011-3 Socket
OC Socket Design
PCIe 3.0 M.2
Crystal Sound 2
3.9Editor score
X99 Dual CPU 490710
Dual CPU Support
8 DDR4 Slots Max 256GB
2x PCIe x16 Slots
RTL8111H NIC
Tangxi X99 Gaming
LGA 2011-3 Socket
4 DDR4 Slots Max 128GB
M.2 NVMe NGFF
8 Layer PCB
2.9Editor score
X99 Dual CPU 490710
Dual CPU Support
8 DDR4 Slots Max 256GB
2x PCIe x16 Slots
RTL8111H NIC
2.4Editor score
Pc Motherboard X99
Dual M.2 NVMe
DDR3 DDR4 Support
LGA 2011-3 Socket
Premium Layout Design
X99 M-ATX E5
LGA 2011-3 Socket
DDR4 RAM Support
NVMe M.2 Slot
M-ATX Form Factor
E5 MR9A V1.0
LGA 2011-3 Socket
ATX Form Factor
NVMe M.2 Slot
USB 3.0 Ports
1. MACHINIST X99 V9S – Best Budget Value
MACHINIST X99 V9S
LGA 2011-3 Socket
4 DDR4 Slots
3 NVMe M.2 Slots
6-Phase Power Supply
The MACHINIST X99 V9S stands out as a highly affordable option for builders seeking Xeon or high-end Core i7 support. It carries a respectable rating among users who prioritize core count and memory capacity over brand prestige.
Pros
- Supports Xeon E5 V3 V4
- Three high-speed NVMe slots
- 4-channel memory architecture
- Budget-friendly price point
- Includes VRM cooling fan
Cons
- Manual not included
- Battery not included
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This board features the Intel C612 chipset and supports up to 128GB of DDR4 RAM across four slots. It includes three NVMe M.2 slots running at PCIe 3.0 speeds and a dedicated VRM cooling fan for thermal stability.
Potential buyers should note that the package excludes the CR2032 battery and user manual. You may need to download drivers or contact support for documentation, which adds a slight setup step before initial boot.
This motherboard is ideal for hobbyists building workstation rigs or budget gaming PCs. It delivers essential server-grade features at a fraction of the cost of branded alternatives.
Triple NVMe Support
The board offers three M.2 slots supporting NVMe SSDs for fast storage expansion and OS drives.
VRM Cooling
A dedicated fan and heatsink protect the power delivery system during sustained loads.
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2. X99 PR9-H White – White Aesthetic Choice
X99 PR9-H White
LGA 2011-3 Socket
4 DDR4 Slots
Realtek 8111H LAN
6-Layer PCB
The X99 PR9-H White offers a clean aesthetic rarely found in budget server boards. It supports the same Intel Xeon E5 and Core i7 processors as other models in this category while featuring a distinct white PCB.
Pros
- Unique white color scheme
- Supports Xeon E5 V3 V4
- Includes pre-assembled I/O shield
- Gigabit LAN port included
- Solid capacitor design
Cons
- Battery not included
- Manual requires online request
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Key features include dual channel DDR4 support up to 128GB and a high-speed NVMe M.2 slot capable of up to 3600MB/s. The board uses a 24+8 pin power interface for stable CPU power delivery.
Like many budget options, the battery is not included and you may need to request the manual file from the seller. However, the pre-assembled I/O shield simplifies the initial installation process.
This board suits builders who want a unique look without paying premium workstation prices. It works well for home labs or custom cases where color coordination matters.
Unique Design
The white color makes this board stand out in custom builds compared to standard black options.
Solid Capacitors
Full solid capacitors ensure stable power delivery and longer lifespan for components.
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3. ASUS X99-E WS – Best Premium Workstation
ASUS X99-E WS
LGA 2011-3 Socket
4-Way SLI CrossFire
USB 3.1 Support
EATX Form Factor
The ASUS X99-E WS is a high-end workstation board designed for serious performance needs. It carries a strong user rating for reliability and robust features that cater to professional workflows.
Pros
- Premium build quality
- Supports 4-Way SLI CrossFire
- USB 3.1 ports included
- Q Code Logger for debugging
- Dual Intelligent Processors 5
Cons
- Higher price point
- Large EATX size
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It supports 4-Way NVIDIA SLI and AMD CrossFireX configurations. The board also includes the latest USB 3.1 ports and onboard M.2 x4 storage support. ASUS Q Code Logger and Dr. Power LED simplify system maintenance.
The premium pricing reflects its robust power solution and extensive expansion options. You may need a large case to accommodate the EATX form factor and its heavy multi-GPU support.
This board is best for professional creators needing multi-GPU rendering or extreme multitasking. It delivers stability and speed for demanding workloads.
Multi-GPU Ready
Four-way SLI and CrossFire support allow for maximum graphics performance in rendering tasks.
Storage Flexibility
Onboard M.2 x4 slots and Thunderbolt II card support expand storage and peripheral options.
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4. ASUS X99-A – Strong Gaming and Overclocking
ASUS X99-A
LGA 2011-3 Socket
OC Socket Design
PCIe 3.0 M.2
Crystal Sound 2
The ASUS X99-A balances gaming features with workstation compatibility. It is well-regarded for its OC Socket which helps drive higher CPU and memory performance during overclocking.
Pros
- OC Socket for performance
- 5-Way Optimization automation
- Crystal Sound 2 audio
- Intel Gigabit Ethernet
- SATA Express support
Cons
- Limited PCIe lanes
- Older chipset generation
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Features include 5-Way Optimization for one-click system tuning. The board also offers PCIe 3.0 M.2 support and SATA Express. It uses Intel Gigabit Ethernet and Crystal Sound 2 for reliable networking and audio.
Compared to the EATX models this board is more compact and gaming focused. However it still supports the same Xeon and Core i7 processors for flexible builds.
This motherboard is ideal for gamers who want to use Xeon CPUs for multi-threaded work. It combines overclocking tools with solid audio and network features.
OC Socket
The unique socket design improves memory and CPU frequency headroom for overclocking.
Audio and Network
Crystal Sound 2 delivers clear audio while Intel Gigabit Ethernet ensures fast LAN speeds.
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5. X99 Dual CPU 490710 – Maximum RAM Capacity
X99 Dual CPU 490710
Dual CPU Support
8 DDR4 Slots
2x PCIe x16
RTL8111H NIC
The X99 Dual CPU board is designed for users who need extreme memory capacity. It supports two LGA 2011-3 processors and eight DDR4 DIMM slots which allows for massive RAM expansion.
Pros
- Supports two CPUs
- Eight DDR4 slots total
- High RAM scalability
- Integrated sound card
- USB 3.0 headers
Cons
- No user rating
- Large physical footprint
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With 8x32GB slots this board can handle up to 256GB of memory. It features two PCIe x16 slots and integrated RTL8111H networking. This makes it suitable for virtualization or heavy data processing.
The lack of user ratings makes it a riskier choice for first-time buyers. You should verify component quality and BIOS support before purchasing to ensure stability.
This motherboard is best for technical users building virtualization or scientific workstations. It offers unmatched scalability in this price range.
Dual CPU Support
Installing two processors doubles the core count and memory bandwidth for parallel tasks.
High Memory Capacity
Eight RAM slots let you expand memory to hundreds of gigabytes for large datasets.
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6. Tangxi X99 Gaming – Reliable Gaming Board
Tangxi X99 Gaming
LGA 2011-3 Socket
4 DDR4 Slots
M.2 NVMe NGFF
8 Layer PCB
The Tangxi X99 Gaming focuses on gaming features and solid build construction. It uses an 8-layer PCB which is rare for budget boards and helps improve signal stability during high load.
Pros
- 8-layer PCB construction
- Supports i7 and E5 CPUs
- Fast M.2 NVMe slot
- Gigabit LAN included
- DDR4 frequency support
Cons
- Lower user rating
- Limited audio ports
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It supports DDR4 memory up to 3200MHz and includes an NVMe M.2 slot with speeds up to 6Gb/s. The board features 24+8 pin power connectors for stable power during gaming sessions.
User ratings are mixed so you may encounter occasional BIOS issues. The audio ports are minimal which could limit surround sound setups or streaming peripherals.
This board is a good option for gamers needing multi-threaded performance on a budget. The 8-layer PCB provides extra durability compared to standard 4-layer alternatives.
8-Layer PCB
More PCB layers reduce signal interference and improve overall board longevity and stability.
High-Speed Storage
The M.2 slot supports NVMe drives for faster boot and game load times.
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7. X99 Dual CPU 490710 – Alternative Listing
X99 Dual CPU 490710
Dual CPU Support
8 DDR4 Slots
2x PCIe x16
RTL8111H NIC
This listing represents the same dual CPU platform seen earlier but with slightly different feedback. It remains a strong candidate for users needing high core counts and memory headroom.
Pros
- Supports two CPUs
- Eight DDR4 slots total
- High RAM scalability
- Integrated sound card
- USB 3.0 headers
Cons
- Low user rating
- Large physical footprint
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The board supports two Xeon E5 CPUs and eight DDR4 slots for massive RAM capacity. It offers two PCIe x16 slots and standard networking features. The layout is designed for stability under load.
User feedback is limited and mixed so you should check current BIOS versions before purchase. Quality control can vary with budget brands so inspect the board upon arrival.
This motherboard is best for technical users building virtualization or scientific workstations. It offers unmatched scalability in this price range.
Dual CPU Support
Installing two processors doubles the core count and memory bandwidth for parallel tasks.
High Memory Capacity
Eight RAM slots let you expand memory to hundreds of gigabytes for large datasets.
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8. Pc Motherboard X99 – Flexible Memory Support
Pc Motherboard X99
Dual M.2 NVMe
DDR3 DDR4 Support
LGA 2011-3
Thermal Design
This board stands out by supporting both DDR3 and DDR4 memory types. This flexibility allows users to reuse older RAM kits while still using modern storage interfaces.
Pros
- Supports DDR3 and DDR4
- Dual NVMe M.2 slots
- Improved trace routing
- Passive chipset heatsink
- Aluminum heatsinks
Cons
- No user rating
- Higher price point
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It features dual M.2 NVMe slots for fast storage expansion. The board includes optimized trace routing for memory stability and passive heatsinks to manage heat without extra fans.
Pricing is higher than most budget boards so check availability carefully. The DDR3 support is a unique advantage if you have existing memory to repurpose.
This motherboard is ideal for users upgrading from older systems without buying new RAM. The dual M.2 slots provide excellent storage performance.
Memory Compatibility
Supporting both DDR3 and DDR4 lets you reuse older memory kits for cost savings.
Dual NVMe Slots
Two high-speed storage slots allow for large RAID setups or OS + data separation.
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9. X99 M-ATX E5 – Compact Form Factor
X99 M-ATX E5
LGA 2011-3 Socket
DDR4 RAM Support
NVMe M.2 Slot
M-ATX Form Factor
The X99 M-ATX E5 brings server capabilities into a smaller case. Its compact design is useful for builds where space is limited but performance is still required.
Pros
- Compact M-ATX size
- Supports Xeon E5 CPUs
- NVMe M.2 storage
- PCIe 3.0 support
- Multiple SATA ports
Cons
- No user rating
- Limited PCIe slots
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It supports Xeon E5 V3 and V4 processors with DDR4 memory and NVMe storage. The PCIe 3.0 support ensures you can use modern graphics cards and expansion cards effectively.
Lack of user feedback means you should check return policies. The M-ATX layout may limit multi-GPU setups compared to larger ATX or EATX boards.
This motherboard is best for small form factor workstations or home theater PCs. It saves space while keeping high core count CPU support.
Compact Size
M-ATX dimensions allow use in smaller cases without sacrificing CPU performance.
Storage Options
NVMe M.2 and multiple SATA ports provide flexible drive configurations.
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10. E5 MR9A V1.0 – Standard ATX Layout
E5 MR9A V1.0
LGA 2011-3 Socket
ATX Form Factor
NVMe M.2 Slot
USB 3.0 Ports
The E5 MR9A V1.0 provides a standard ATX layout for easy case compatibility. It is designed for users needing basic Xeon support without complex multi-GPU features.
Pros
- Standard ATX size
- Supports Xeon E5 CPUs
- NVMe M.2 storage
- USB 3.0 included
- Solid power supply
Cons
- No user rating
- Limited feature depth
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Features include DDR4 memory support and NVMe M.2 for fast storage. The board includes solid power supply cooling to maintain low temperatures under load.
User reviews are not available so quality may depend on batch consistency. USB 3.0 ports offer convenient connectivity for external drives and peripherals.
This motherboard is best for simple workstation builds or office use. It balances cost with essential features for Xeon-based systems.
Standard ATX Size
ATX dimensions ensure fit in most mid and full tower PC cases.
USB Connectivity
USB 3.0 ports allow for fast data transfer with external storage devices.
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Buying Guide – How to Choose the Best Lga 3 X99 Motherboard
Selecting the right X99 motherboard requires balancing CPU support, memory capacity, and form factor. This guide outlines the key factors you should evaluate before buying.
CPU Socket Compatibility
Ensure the motherboard supports your specific processor generation. Most X99 boards support Intel Xeon E5 V3 and V4 series as well as Core i7 5th and 6th gen models. Check the BIOS version to guarantee compatibility before installation.
Always verify your CPU is listed in the official support document to avoid boot issues or reduced performance.
Memory Capacity
X99 boards vary from 4 to 8 DIMM slots. If you need over 128GB of RAM look for models with 8 slots and dual CPU support. Also check if the board supports ECC or RECC memory for server reliability.
Choose a board with enough slots to reach your target memory capacity without replacing all sticks later.
Storage Interfaces
Storage speed is critical for modern workloads. Look for M.2 NVMe slots running at PCIe 3.0 speeds for fast OS and game drives. Some boards offer multiple M.2 slots for RAID or OS data separation.
Prioritize boards with at least one high-speed NVMe slot to ensure your system is not storage bottlenecked.
Form Factor
X99 boards come in ATX, M-ATX, and EATX sizes. ATX offers the best balance of expansion and case compatibility. EATX boards support more GPUs but require large cases. M-ATX fits in smaller enclosures but has fewer slots.
Measure your case before buying to ensure the motherboard will fit without clearance issues.
Power Delivery
High core count CPUs draw significant power. Look for boards with robust VRM heatsinks and solid capacitors. This helps maintain stability during long rendering sessions or overclocking attempts.
A stable power delivery system extends component life and prevents random shutdowns under load.
Network and Audio
Many X99 boards use Realtek 8111H for Gigabit Ethernet which is standard. Audio varies from basic codecs to Crystal Sound 2. Check if you need surround sound or just basic audio output.
Verify that the audio chipset meets your streaming or gaming needs before purchase.
Included Accessories
Budget boards often exclude batteries or manuals. Ensure you have the CR2032 battery on hand or factor that into your cost. Download drivers before building to avoid installation issues.
Check the package contents carefully to avoid unexpected costs during assembly.
Support and Warranty
Workstation boards from major brands offer better warranty support. Budget boards may rely on seller support only. Read return policies carefully as some sellers have short windows.
Invest in a board with clear support channels to protect your investment.
How to Use and Care for Your Lga 3 X99 Motherboard
Always install the CPU and memory before mounting the board into the case. This prevents accidental bending of the pins or damage to the socket during installation. Verify the memory channels match the manual for optimal speed.
Update the BIOS immediately after building using a USB drive. This ensures compatibility with newer CPU microcode and memory profiles. Many issues with boot failures are fixed by a simple firmware update.
Keep the motherboard clean from dust using compressed air every few months. Ensure all case fans are spinning properly to maintain airflow through the VRM and chipset heatsinks.
Frequently Asked Questions
Can I use ECC memory on a consumer X99 motherboard?
Most consumer X99 boards support non-ECC DDR4 RAM only. ECC support depends on the specific chipset and BIOS settings. Check the product specs or manual to confirm if your board accepts ECC or RECC modules before buying.
What processors are compatible with X99 motherboards?
X99 boards support Intel Xeon E5 V3 V4 series and Core i7 5th and 6th generation processors. Specific models like the E5-2690 V4 or i7-6900K are common choices. Always verify your exact CPU model with the motherboard seller.
Does the X99 chipset support NVMe storage?
Yes many X99 boards include M.2 slots supporting NVMe SSDs via PCIe 3.0. Some budget models may have limited lanes so confirm the speed and slot availability before building your storage array.
Can I install two CPUs on a regular X99 board?
Only X99 boards specifically designed with dual CPU support can take two processors. Most consumer boards support only one CPU. Check for 8 DIMM slots or dual socket markings to confirm dual CPU capability.
What is the maximum RAM supported by X99?
X99 boards typically support up to 128GB on 4-slot boards or up to 256GB on 8-slot dual CPU boards. Speeds can reach up to 2400MHz or higher depending on the CPU and BIOS version.
Do I need a special cooler for X99 CPUs?
No standard LGA 2011-3 coolers fit X99 CPUs. Most high performance air or liquid coolers will work without modification. Just ensure the cooler mounting kit includes the correct brackets for this socket type.
Are there any BIOS limitations for X99 boards?
Budget boards may have older BIOS versions that lack support for newer CPUs. It is vital to update the firmware before installing your processor. Some sellers provide BIOS files on request if you encounter boot issues.
How do I know if my case fits a X99 motherboard?
X99 boards are often ATX or EATX. Measure your case's supported motherboard sizes before buying. EATX boards may not fit mid-tower cases so look for full-tower compatibility if you choose a large board.
Final Thoughts on Choosing the Best Lga 3 X99 Motherboard
We reviewed ten X99 motherboards ranging from budget picks to premium workstation solutions. The MACHINIST X99 V9S leads for budget builders while the ASUS X99-E WS stands out for professional multi-GPU work.
When choosing prioritize CPU and memory compatibility to ensure your system meets your workload needs. Consider storage options and power delivery quality to maintain stability during long sessions.
Prices and availability change quickly so check the latest listings before finalizing your purchase. Always verify BIOS support and return policies to protect your investment.