SPECIFICATIONS

The MACHINIST X99 PR9 is a budget-friendly Micro-ATX workstation/gaming motherboard built around the Intel X99 platform and LGA 2011-3 socket. Designed for Intel Xeon E5 v3/v4 processors, it provides an affordable way to build a high-core-count workstation, home server, rendering machine, or budget gaming PC using used Xeon hardware.

With support for DDR4 memory, NVMe M.2 storage, SATA drives, USB 3.0, and TPM 2.0 interface support (version dependent), the X99 PR9 offers many modern features despite being based on an older enthusiast/server platform.

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🔑 Key Features

🧠 Intel LGA 2011-3 CPU Support

Compatible with:

• Intel Xeon E5-1600 v3/v4 series
• Intel Xeon E5-2600 v3/v4 series
• Select Intel Core i7 HEDT processors using LGA 2011-3

Popular Xeon options:

• Xeon E5-2678 v3
• Xeon E5-2680 v4
• Xeon E5-2690 v4
• Xeon E5-2666 v3

These CPUs offer:

• High core counts
• Strong multi-thread performance
• Low-cost workstation capability

 

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💾 DDR4 Memory Support

Features:

• 4 × DDR4 DIMM slots
• Supports DDR4 ECC and non-ECC memory (depending on CPU/RAM combination)
• Supports common speeds:
  • DDR4-2133
  • DDR4-2400
  • DDR4-2666

Maximum memory capacity:

• Up to 128GB DDR4 (with compatible modules)

 

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🚀 NVMe M.2 & SATA Storage

Storage options include:

• 1 × M.2 slot supporting NVMe/NGFF SSDs
• SATA 6Gb/s ports
• High-speed SSD support for:
  • Faster boot times
  • Application loading
  • Large file transfers

Some versions advertise NVMe M.2 speeds up to PCIe Gen3 x4 levels.

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🎮 Expansion Slots

Includes:

• 1 × PCIe x16 slot for graphics cards
• 1 × PCIe x1 slot for expansion devices

Compatible with:

• Modern GPUs
• Network cards
• Capture cards
• Additional controllers

 

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🔐 TPM 2.0 Interface Support

The board includes a TPM interface/header on certain versions, allowing support for:

• Hardware security modules
• Secure authentication features
• Some Windows 11 security requirements

⚠️ TPM module compatibility depends on the exact board revision and BIOS support.

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🌐 Connectivity

Rear I/O features:

• USB 3.0 ports
• USB 2.0 ports
• Gigabit Ethernet
• HD audio
• PS/2 keyboard/mouse support

 

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📋 Specifications

Feature	Details
Brand	MACHINIST
Model	X99 PR9
Socket	LGA 2011-3
Chipset	X99-class platform
CPU Support	Intel Xeon E5 v3/v4
Memory	4 × DDR4 DIMM
Maximum RAM	Up to 128GB
Storage	SATA 6Gb/s + NVMe M.2
Expansion	PCIe x16 + PCIe x1
LAN	Gigabit Ethernet
USB	USB 3.0 / USB 2.0
Form Factor	Micro-ATX

 

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✅ Benefits

• Very affordable workstation platform
• Supports powerful multi-core Xeon CPUs
• Large DDR4 memory capacity
• NVMe SSD support
• Good for rendering and server-style workloads
• Low-cost upgrade path using used Xeon processors

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👍 Strenghts 

• Excellent price-to-performance for Xeon builds
• Supports many high-core-count CPUs
• 4 RAM slots compared with many budget boards
• NVMe M.2 support
• Good choice for home labs and workstations
• Compact Micro-ATX format

Application: Desktop

Back I/O Ports: 1x RJ45

Battery Included: no

Brand Name: MACHINIST

Chipset: Intel B85

Chipset Manufacturer: Intel

Form Factor: Micro-ATX

High-concerned chemical: None

Max LAN Speed: 1000Mbps

Maximum Ram Capacity: 128 GB

Memory channel: Double

Number Of Memory Slots: 4

Number of M.2: 1

Number of PCI: 0

Number of PCIe x 1: 1

Number of PCIe x 16: 1

Number of PCIe x 4: 0

Onboard Connectors & Header: 24-pin Main Power Connector,CPU Fan Connector(s),AAFP Connector

Onboard LAN: 1x RJ45

PCI - E standards: PCI-E 3.0

Package: Yes

Ports: USB 3.0

Processor compatibility: Intel Xeon

RAID Supported: no

Socket Type: LGA 2011-3

Special Features: NONE

Storage Interface Type: SATA

Support Memory Type: DDR4

Support USB Type: USB 2.0,USB 3.0

Supports M.2 SSD: 2280

Usage Scenario: Gaming,Audio & Video,Office

With CPU: No