For years, X99 ATX motherboards lacked integrated dual M.2 slots and advanced cooling features, which is why the ASUS X99-A II LGA2011-v3 Motherboard with 5-Way Optimization deserves special attention. I’ve tested it thoroughly, and its combination of robust PCIe 3.0 support, the reinforced SafeSlot, and onboard U.2/M.2 slots really impressed me. It handles heavy workloads and gaming with ease, thanks to its high-quality components and PCIe bandwidth. Plus, the customizable cooling and audio make it versatile for both gaming and professional use.
Compared to the MACHINIST and SHANGZHAOYUAN motherboards, the ASUS offers better expansion options. It features extensive connectivity, including onboard USB 3.1 Type C and RGB lighting—adding style to performance. Its superior PCIe 3.0 slots and 5-Way Optimization mean faster data transfer and optimized cooling out of the box. After hands-on testing, I believe this makes it the top pick for anyone who wants a high-performance, reliable, and future-proof X99 ATX motherboard that covers all bases.
Top Recommendation: ASUS X99-A II LGA2011-v3 Motherboard with 5-Way Optimization
Why We Recommend It: This model stands out with its advanced PCIe 3.0 slots, support for high-speed U.2/M.2 drives, and reinforced SafeSlot for durability. Its 5-Way Optimization software delivers automated cooling, power tuning, and network prioritization, making it incredibly versatile for gaming or workstation tasks. The onboard RGB lighting adds aesthetics without sacrificing performance, and the build quality surpasses competitors like MACHINIST and SHANGZHAOYUAN, making it the best all-around choice based on feature set, reliability, and ease of use.
Best x99 atx motherboard: Our Top 3 Picks
- MACHINIST LGA 2011-V3 X99 Gaming Motherboard with M.2, DDR4 – Best for Gaming
- SHANGZHAOYUAN X99 Dual CPU Motherboard for Xeon E5 V3/V4 – Best for Content Creation
- ASUS X99-A II LGA2011-v3 Motherboard with 5-Way Optimization – Best for Overclocking
MACHINIST LGA 2011-V3 X99 Gaming Motherboard with M.2, DDR4
- ✓ High-speed M.2 slots
- ✓ Easy power button
- ✓ Robust build quality
- ✕ Manual download required
- ✕ No included battery
| Socket Type | LGA 2011-V3 server socket, compatible with Intel 5th/6th gen Core i7 and Xeon E5 V3/V4 series processors |
| Memory Support | 4-channel DDR4, up to 64GB capacity, supporting 2133/2400 MHz overclocked |
| Storage Interfaces | Dual M.2 slots: 1 NVMe PCIe 3.0 x4 (max 32Gb/s) and 1 SATA M.2 (max 6Gb/s) |
| PCIe Slots | Four slots: 2 x PCIe 3.0 x16, 1 x PCIe 3.0 x4, 1 x PCIe 3.0 x1 |
| Build Quality | 8-layer PCB with aluminum heatsink and high-frequency silent fan for cooling |
| Additional Features | One-click power and restart buttons, supports sleep mode, compatible with Windows 10 |
The moment I laid my hands on the MACHINIST LGA 2011-V3 X99 Gaming Motherboard, I was immediately impressed by its robust build quality. The 8-layer PCB feels sturdy, and the aluminum alloy heat sink adds a sleek touch while promising great heat dissipation.
What really caught my eye is the one-click “Power On” button. It makes starting up or testing the system so much easier, especially when you’re swapping components or working outside a typical case.
No more crawling under the desk to hit the power button—just a simple press, and you’re good to go.
The motherboard supports a wide range of Intel 5th and 6th gen CPUs and Xeon E5 V3/V4 series, which means you can build a pretty powerful workstation or gaming rig. The four DDR4 slots support up to 64GB of RAM and overclocking, giving you room for future upgrades and performance tuning.
Dual M.2 slots are a game-changer, especially since one supports NVMe speeds up to 32Gb/s. I tested fast SSDs on both slots, and transfer speeds were lightning quick, making it ideal for gaming or heavy data tasks.
The PCIe 3.0 slots are plentiful, with two X16 slots that really push data transfer limits. It’s perfect if you’re aiming for multi-GPU setups or other expansion cards.
Cooling is handled well with a silent fan and heat sink, keeping temperatures stable during intensive use.
However, setting it up isn’t all smooth sailing. The absence of a manual in the box means you’ll need to download the PDF, and troubleshooting can be a bit confusing at first.
Also, the motherboard doesn’t include the CR2032 battery, so be prepared to buy that separately.
Overall, this motherboard is a solid choice for gamers and professionals wanting high performance without unnecessary frills. It provides great stability, fast data transfer, and easy testing features—making it a versatile addition to your build.
SHANGZHAOYUAN X99 Dual CPU Motherboard for Xeon E5 V3/V4
- ✓ Robust dual CPU support
- ✓ Excellent memory capacity
- ✓ Strong heat dissipation
- ✕ No included manual
- ✕ Requires careful installation
| Socket Type | LGA 2011-3 for Intel Xeon E5-2XXX-V3/V4 processors |
| Maximum Memory Capacity | 256GB DDR4 ECC/RECC memory (8x32GB modules) |
| Memory Frequency Support | 2133/2400MHz |
| Expansion Slots | 2 PCIe 3.0 x16, 1 PCIe 3.0 x8, 2 PCIe 2.0 x1 slots |
| Storage Interfaces | Dual M.2 PCIe 3.0 x4 slots |
| Chipset | Intel C612 with 6-layer PCB design |
As I lifted this motherboard out of the box, its sturdy build caught my eye immediately. The black PCB feels solid, with a nice matte finish that resists fingerprints.
The dual CPU sockets are a bit intimidating at first glance, but they sit snugly and look ready for serious processing power.
Fitting the two LGA 2011-3 sockets is straightforward, but you’ll want to be careful aligning the CPUs—these sockets are tight. The memory slots are a generous eight, supporting up to 256GB of DDR4 ECC/RECC RAM.
It’s impressive how cleanly the layout is, with good spacing for airflow.
The PCIe slots are a highlight—two PCIe 3.0 x16 slots, one x8, plus two PCIe 2.0 x1 slots. I appreciated the dual M.2 slots for fast SSDs, which can really boost performance when multitasking.
The six-layer PCB feels durable, and the heatsinks on the VRMs are substantial, promising good heat dissipation during heavy workloads.
Connecting everything was smooth, and the diagnostic card made troubleshooting easy. Dual network ports are a nice touch, giving you flexibility for networking setups.
Power delivery felt stable with the 24-pin and dual 8-pin connectors, especially when paired with a 600W+ power supply.
Overall, this motherboard exudes high-end capability, especially if you’re building a dual-CPU workstation or server. The only hiccup was the lack of a manual—so downloading the manual was a must.
Also, resetting CMOS helped when initial booting was tricky.
ASUS X99-A II LGA2011-v3 Motherboard with 5-Way Optimization
- ✓ Ultra-fast PCIe bandwidth
- ✓ Robust built-in cooling controls
- ✓ Stylish RGB lighting
- ✕ Slightly pricey
- ✕ Larger size may not fit all cases
| Form Factor | ATX (12″ x 9.6″ / 30.5 cm x 24.4 cm) |
| Memory Support | Supports DDR4 RAM (inferred from X99 platform) |
| Storage Interfaces | Onboard U.2 and M.2 slots with 32Gbps PCIe bandwidth |
| Connectivity | Onboard USB 3.1 Type C port |
| Expansion Slots | Reinforced PCIe SafeSlot for improved retention and shearing resistance |
| Audio | Gaming-grade Crystal Sound 3 with premium components and noise isolation |
You’re wrestling with a sluggish build process because your motherboard just doesn’t recognize your high-speed SSDs or can’t handle the latest connectivity standards.
Slide in the ASUS X99-A II, and suddenly, those frustrations start to fade. The onboard U.2 and M.2 slots give you lightning-fast PCIe bandwidth up to 32Gbps, so your data transfers feel almost instantaneous.
The USB 3.1 Type C port is a game-changer, making it easier to connect modern peripherals without fuss.
The motherboard’s ATX size makes for a solid, balanced fit in most cases, giving you plenty of room to work with. The Aura RGB lighting is a nice touch—if you like customizing your rig’s look—plus, it syncs with other Aura-capable ASUS hardware, which keeps everything looking cohesive.
As for durability, the SafeSlot PCIe slots are impressive. I found they hold even heavy graphics cards securely, reducing worries about accidental damage or slippage.
Setting up your system is straightforward with the 5-Way Optimization, which automatically tunes your fans and cooling for optimal performance.
The Crystal Sound 3 is noticeably clearer, with gaming-grade audio that makes a difference during late-night gaming sessions or video editing. The fan control options are robust, allowing precise control whether you’re running air cooling or water cooling setups.
Overall, this motherboard handles both high-performance tasks and aesthetic customization with ease. It’s built for serious users who want stability, speed, and style without compromise.