HP ZBook 15 G5 Motherboard L28695-001 E-2186M - Certified Refurbished

HP ZBook 15 G5 Motherboard L28695-001 with Intel Xeon E-2186M and Quadro P2000 4GB

Professional-grade system board for the HP ZBook 15 G5 Mobile Workstation featuring Intel Xeon E-2186M processor (6-core, 12-thread, up to 4.8 GHz), NVIDIA Quadro P2000 4GB discrete graphics, dual Thunderbolt 3 ports, ECC memory support up to 64GB, and comprehensive I/O connectivity — designed for demanding workstation applications with enterprise security features and backed by a 12-month warranty from Reboot IT.

What Makes the HP ZBook 15 G5 a Premium Mobile Workstation Choice?

  • Intel Xeon E-2186M vPro processor with 6-cores/12-threads and up to 4.8 GHz turbo frequency — delivering exceptional multi-threaded performance for CAD, engineering simulations, video editing, and data analysis applications that demand consistent processing power under sustained workloads.
  • NVIDIA Quadro P2000 4GB professional graphics with 768 CUDA cores — ISV-certified for Autodesk AutoCAD, SolidWorks, Adobe Creative Suite, and other professional applications requiring OpenGL acceleration and precision visual computing capabilities.
  • ECC memory support up to 64GB DDR4-2667 in dual-channel configuration — error-correcting memory prevents data corruption during critical calculations, essential for scientific computing, financial modeling, and mission-critical business applications.
  • Dual Thunderbolt 3 ports with 40 Gbps bandwidth and DisplayPort 1.2 support — enables connection to high-resolution displays, external GPU enclosures, and ultra-fast storage arrays while supporting daisy-chaining up to 6 devices per port.
  • MIL-STD 810G certification across 19 durability tests — engineered to withstand extreme temperatures, humidity, vibration, and shock conditions typical in field work environments and mobile professional usage scenarios.
  • Intel vPro technology with remote management capabilities — IT administrators can perform out-of-band management, remote diagnostics, and security enforcement even when the operating system is offline or unresponsive.

How Does the HP ZBook 15 G5 Perform in Daily Professional Use?

The Intel Xeon E-2186M processor excels in professional workflows requiring sustained computational power. With its 45W TDP and advanced thermal design, this workstation maintains consistent clock speeds during extended rendering sessions, complex simulations, and parallel processing tasks. The 12MB Intel Smart Cache significantly reduces memory latency when switching between large datasets, while Intel Turbo Boost Technology automatically scales performance based on workload demands.

The integrated NVIDIA Quadro P2000 delivers reliable performance across professional graphics applications. With 4GB of dedicated GDDR5 memory and 768 CUDA cores, it handles real-time viewport manipulation in SolidWorks assemblies with thousands of components, smooth playback of 4K video timelines in Adobe Premiere Pro, and accelerated rendering in Blender and KeyShot. The professional-grade drivers receive regular ISV certification updates, ensuring compatibility with the latest versions of industry-standard software.

For data-intensive workloads, the dual-channel DDR4-2667 memory architecture with ECC support provides both performance and reliability. Error-correcting memory automatically detects and corrects single-bit errors that could otherwise cause application crashes or data corruption during long-running calculations. The system board supports up to 64GB of registered ECC memory, providing ample capacity for large 3D models, high-resolution image editing, and in-memory database operations.

Complete Technical Specifications

Component
Specification
Processor Intel Xeon E-2186M vPro (8th Gen Coffee Lake-H)
CPU Cores/Threads 6 cores / 12 threads
Base/Turbo Frequency 2.9 GHz base, up to 4.8 GHz turbo
CPU Cache 12 MB Intel Smart Cache
TDP 45W
Discrete Graphics NVIDIA Quadro P2000 4GB GDDR5
CUDA Cores 768
Integrated Graphics Intel UHD Graphics P630
Chipset Mobile Intel CM246
Memory Slots 4x SODIMM slots
Max Memory Up to 64GB ECC DDR4-2667, 128GB non-ECC
Memory Type DDR4-2667 dual-channel
ECC Support Yes (with Xeon processor)
Storage Interface 2x M.2 PCIe NVMe + SATA, 1x 2.5" SATA III
RAID Support Intel RST (RAID 0, 1, 5)
USB Ports 3x USB 3.1 Gen 1 Type-A (5 Gbps), 2x Thunderbolt 3 Type-C
Thunderbolt 3 2 ports, 40 Gbps, USB 3.1 Gen 2, DisplayPort 1.2, PCIe
Display Outputs 1x HDMI 1.4, 1x Mini DisplayPort 1.3, 2x TB3
Network Intel I219LM Gigabit Ethernet (vPro AMT)
Wireless Support M.2 A-key slot (Intel 802.11ac + Bluetooth 5.0)
Audio 1x 3.5mm combo headphone/microphone jack
Card Readers 1x SD 3.0 Media Card Reader, Smart Card Reader (optional)
Security TPM 2.0 firmware-based, Intel vPro, HP Sure Start Gen4
BIOS UEFI with HP Sure Start self-healing technology
Power Support 150W/200W Smart AC Adapter, 90Wh battery connector
Operating Temperature 5°C to 35°C (41°F to 95°F)
Certifications MIL-STD 810G, ENERGY STAR 6.1, EPEAT Gold, TCO 5.0
Form Factor Proprietary HP ZBook 15 G5 chassis-specific
Part Number HP L28695-001 (DSC P2 4GB E-2186M System Board)

Is the HP ZBook 15 G5 Right for Your Needs?

✓ Best For:
• CAD/CAM design and engineering simulation workloads
• Professional video editing and motion graphics production
• Scientific computing and data analysis applications
• 3D rendering and visualization projects
• IT environments requiring vPro remote management
✗ Not Recommended For:
• Gaming or consumer entertainment applications
• Basic office tasks that don't require workstation performance
• Budget-conscious users seeking entry-level computing
• Environments without adequate cooling infrastructure
• Applications requiring the latest DDR5 memory technology

Understanding Condition Grades and Battery Health

All HP ZBook 15 G5 motherboards are professionally refurbished by Reboot IT using certified technicians and genuine HP components. Our transparent grading system ensures you know exactly what to expect from your purchase. Each motherboard undergoes comprehensive diagnostic testing including component validation, thermal stress testing, and connectivity verification.

Grade
Cosmetic Condition
Battery Capacity
A — Excellent Minimal wear, no visible scratches or dents 70%+ original capacity
B — Good Light usage marks, possible minor scratches 50-70% original capacity
C — Fair Noticeable wear, scratches up to 5cm visible Under 50% original capacity

All laptops and tablets include a 30-day battery warranty covering defective batteries that fail to hold charge. This warranty is separate from the main system warranty and ensures your mobile workstation maintains adequate battery life for professional use.

Frequently Asked Questions About the HP ZBook 15 G5

What warranty is included with this motherboard?

Every HP ZBook 15 G5 motherboard includes a comprehensive 12-month warranty provided by Reboot IT, covering all components, functionality, and manufacturing defects. This warranty matches what you'd receive with new equipment.

Is this motherboard compatible with non-ECC memory?

Yes, while the Intel Xeon E-2186M supports ECC memory for maximum reliability, the motherboard also accepts standard non-ECC DDR4-2667 SODIMMs up to 128GB total capacity for cost-sensitive applications.

Can I upgrade the CPU or GPU on this motherboard?

No, both the Intel Xeon E-2186M processor and NVIDIA Quadro P2000 graphics are permanently soldered to the motherboard and cannot be upgraded independently. This is standard for mobile workstation platforms.

What external displays can I connect simultaneously?

The motherboard supports up to four external displays: two via Thunderbolt 3 ports (DisplayPort 1.2), one via Mini DisplayPort 1.3, and one via HDMI 1.4, plus the internal laptop display for five total screens.

Does this support Windows 11 Professional?

Yes, the Intel Xeon E-2186M meets all Windows 11 system requirements including TPM 2.0, UEFI firmware, and Secure Boot capability. The integrated TPM 2.0 chip ensures full BitLocker encryption support.

What's the difference between this and consumer laptop motherboards?

This workstation motherboard features ECC memory support, professional-grade Quadro graphics with ISV certification, Intel vPro remote management, enterprise security features, and MIL-STD durability testing—capabilities not found in consumer platforms.

Is the Thunderbolt 3 implementation fully featured?

Yes, both Thunderbolt 3 ports provide the complete 40 Gbps bandwidth, USB 3.1 Gen 2 compatibility, DisplayPort 1.2 video output, PCIe tunneling for external GPUs, and USB Power Delivery support for compatible devices.

Warranty and After-Sales Support

Your HP ZBook 15 G5 motherboard is protected by a comprehensive 12-month warranty provided by Reboot IT, Australia's trusted refurbished technology specialist since 2001. This warranty covers all electronic components, functionality, and manufacturing defects, giving you the same peace of mind as purchasing new equipment.

Our warranty includes free repair or replacement for any component failure, comprehensive technical support from certified technicians, and Australia-wide warranty service. For laptops and tablets, we also provide a separate 30-day battery warranty that covers batteries failing to maintain adequate charge capacity.

Every motherboard undergoes Reboot IT's rigorous refurbishment process including component-level diagnostic testing, thermal stress validation, and quality assurance by certified technicians using genuine HP replacement parts when required.

Upgradeability and Compatibility Options

The HP ZBook 15 G5 motherboard supports memory expansion up to 64GB ECC DDR4-2667 or 128GB non-ECC across four SODIMM slots. Storage can be configured with dual M.2 NVMe SSDs in RAID 0/1/5 configuration for maximum performance or redundancy, plus an additional 2.5-inch SATA drive for bulk storage. The wireless module is user-replaceable via the M.2 A-key slot, supporting upgrades to newer Wi-Fi standards or adding WWAN cellular connectivity.

The system board is Windows 11 Professional ready with full TPM 2.0 encryption support and meets all modern security requirements for enterprise deployment. All USB-C/Thunderbolt 3 ports support USB4 devices for future-proofed connectivity, while the professional Quadro P2000 graphics provide long-term ISV driver support for professional applications.

On-Board Audio | On-Board Video Chipset

Manufacturer Warranty3 Months
FeaturesNone
Item HeightNone
Item WidthNone
ModelM46074-601
Motherboard BrandHP
TypeMotherboard
Processor Modeli5-1145G7
Input/output PortsNone
Expansion SlotsNone
Item WeightNone
Cpu Clock Speed2.60GHz
Compatible Cpu BrandIntel
Memory TypeDDR4 SODIMM
Form FactorNone
Cpu Bus Speed4 GT/s
Custom BundleNo
Number Of Cpu Cores4
Cpu L2 CacheNone
Most Suitable ForCasual Computing
Compatible BrandFor HP
Socket TypeNone
Number Of Memory Slots2
Cpu L3 Cache8 MB
Cpu SeriesCore i5
Item LengthNone

Refurbished Computers - Cosmetic Grading Guide


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