Descrizione
The Foundation Decides the Build. Every custom PC is an argument about priorities — GPU, CPU, cooling, storage. But the motherboard is the argument's referee, and a weak referee lets the match fall apart. The JIESHUO X99-JSD4 is built on the LGA2011-3 socket, welcoming Intel Xeon E5 v3/v4 processors — the workstation-grade silicon that powered data centers before trickling down to the enthusiast community. This board does not pretend to compete with Z790 chipset luxury; it competes on raw value-per-dollar for builders who understand that a Xeon E5-2680 with 12 cores and 24 threads at under $30 is the single greatest compute bargain in PC hardware.
The X99 chipset provides 40 PCIe 3.0 lanes — enough to run a dedicated GPU at x16, an NVMe drive at x4, and still have lanes left for capture cards, 10GbE NICs, or additional storage controllers. Dual-channel DDR4 support across four DIMM slots allows up to 64GB of ECC or non-ECC memory, making this board equally at home in a budget gaming rig, a home-lab virtualization server running Proxmox, or a rendering node chewing through Blender frames overnight. The M.2 NVMe slot delivers 32Gbps throughput, eliminating the SATA bottleneck for boot drives and active project storage.
JIESHUO's board design emphasizes practical connectivity: USB 3.0 and USB 2.0 rear I/O, gigabit Ethernet, HD audio with optical S/PDIF output, and full-sized PCIe slots with reinforced locking mechanisms. The VRM cooling is passive but adequately heatsinked for sustained Xeon workloads. This is not a motherboard that ships with RGB headers and a companion app — it ships with everything required to build a stable, powerful machine and nothing that adds cost without adding performance.
Every great build starts with a motherboard that knows its role: silent, stable, invisible when it works, catastrophic when it fails. The Obsidian Core chooses to be invisible.
Key Features
- ✦ LGA2011-3 socket — supports Intel Xeon E5 v3/v4 and Core i7 Extreme processors
- ✦ Intel X99 chipset with 40 PCIe 3.0 lanes — multi-GPU and NVMe bandwidth without compromises
- ✦ Quad DDR4 DIMM slots, dual-channel, up to 64GB — supports both ECC and non-ECC memory
- ✦ M.2 NVMe slot (PCIe 3.0 x4, 32Gbps) — boot drives that saturate the interface
- ✦ Full-size PCIe x16 slot with reinforced lock + PCIe x4 expansion slot
- ✦ Gigabit Ethernet (Realtek RTL8111) + HD Audio (Realtek ALC662) with optical S/PDIF
- ✦ USB 3.0 x4 rear + USB 2.0 x4 rear + front panel USB 3.0 header
- ✦ SATA 3.0 x4 ports — RAID 0/1/5/10 support via chipset
Technical Specifications
- Chipset: Intel X99 Express
- Socket: LGA2011-3
- CPU Support: Intel Xeon E5 v3/v4, Core i7-5000/6000 series
- Memory: 4x DDR4 DIMM, Dual-Channel, max 64GB, 2133/2400MHz
- Expansion: 1x PCIe 3.0 x16, 1x PCIe 3.0 x4, 1x M.2 NVMe (PCIe 3.0 x4)
- Storage: 4x SATA 3.0 (6Gbps), 1x M.2 2280 (NVMe 32Gbps)
- Audio: Realtek ALC662, 5.1 Channel HD Audio, Optical S/PDIF
- Network: Realtek RTL8111 Gigabit Ethernet
- Rear I/O: 4x USB 3.0, 4x USB 2.0, PS/2, Gigabit LAN, Audio jacks, S/PDIF
- Form Factor: ATX (30.5cm x 22.0cm)
Application Scenarios
The X99-JSD4 serves three distinct builder communities with equal competence. Budget gaming builders pair it with a $20-$30 Xeon E5-2680 v4 (14 cores, 28 threads, 2.4GHz base / 3.3GHz boost) and a used GTX 1080 or RTX 2060 for a sub-$400 gaming rig that handles 1080p ultra settings and light streaming. Home-lab enthusiasts deploy it as a Proxmox virtualization host running multiple VMs and Docker containers, leveraging the quad-DIMM ECC memory support and 40 PCIe lanes for a NAS+HTPC+firewall combo build. Freelance 3D artists and video editors use it as a dedicated render node — set up a headless Blender or DaVinci Resolve render server that crunches frames overnight on cheap Xeon silicon while the main workstation stays free for creative work.
Frequently Asked Questions
Q: Does this motherboard come with the CPU included?
A: Some bundles include a pre-installed Xeon E5-2680 v4 processor. Please check the variant selection to confirm which bundle you are purchasing. The CPU-only variant ships with the processor installed in the socket.
Q: Will a standard ATX power supply work with this board?
A: Yes, the X99-JSD4 uses a standard 24-pin ATX power connector and an 8-pin EPS CPU power connector. Any modern ATX power supply is compatible.
Q: Does it support NVMe boot?
A: Yes, the M.2 slot supports NVMe PCIe 3.0 x4 drives as the primary boot device. You can install Windows 10/11 or Linux directly to an NVMe drive without any BIOS modification.
Q: Is ECC memory required or optional?
A: ECC memory is optional. The board supports both ECC Registered (RDIMM) and standard non-ECC DDR4 modules. For server or virtualization workloads, ECC is recommended. For gaming, non-ECC is perfectly fine and often cheaper.
Q: What GPU compatibility should I expect?
A: The PCIe 3.0 x16 slot is electrically x16, so any modern GPU from an RTX 4090 to an entry-level card will work. PCIe 3.0 bandwidth is sufficient for all current-generation GPUs with negligible performance reduction compared to PCIe 4.0.












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