HP Z4 G4 Intel® Xeon® W-2125 16 GB DDR4-SDRAM 1256 GB HDD+SSD Black Mini Tower Workstation
SKU:3MB66EA
In Stock
HP's best-selling performance workstation
Perfect for engineering, visualization and Machine Learning, HP's most popular workstation delivers disruptive performance for a wide spectrum of applications. With a choice of Intel® Xeon® or Core™ X processors, and support for dual extreme graphics, you get all you need, nothing more.
Operating Systems
Support your unique user needs with a choice of Windows 10 Pro 64 or Linux® operating systems.
Professional Performance
Run demanding professional apps with the newest generation Intel® Xeon® processors with up to 10 cores for powerful performance and productivity.
Graphics
Get serious about graphics and reach peak productivity with access to a breadth of NVIDIA® and AMD professional graphics from entry to high-end 3D.


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| Processor | |
|---|---|
| Stepping | U0 |
| Processor operating modes | 64-bit |
| Processor lithography | 14 nm |
| Processor codename | Skylake |
| Bus type | QPI |
| Maximum internal memory supported by processor | 512 GB |
| Memory types supported by processor | DDR4-SDRAM |
| Memory clock speeds supported by processor | 1600,1866,2133,2400,2666 MHz |
| Thermal Design Power (TDP) | 120 W |
| Tcase | 64 °C |
| PCI Express configurations | 1x16,1x4,1x8 |
| Maximum number of PCI Express lanes | 48 |
| Memory bandwidth supported by processor (max) | 85.3 GB/s |
| ECC supported by processor | Yes |
| Conflict Free processor | Yes |
| Processor cache | 8.3 MB |
| Processor frequency | 4.00 GHz |
| Processor model | W-2125 |
| Number of processors installed | 1 |
| Processor boost frequency | 4.50 GHz |
| Processor socket | LGA 2066 |
| Processor threads | 8 |
| Processor cores | 4 |
| PCI Express slots version | 3.0 |
| Processor family | Intel® Xeon® |
| Memory | |
| ECC | Yes |
| Memory layout (slots x size) | 2 x 8 GB |
| Internal memory | 16 GB |
| Maximum internal memory | 256 GB |
| Memory slots | 8x DIMM |
| Internal memory type | DDR4-SDRAM |
| Memory clock speed | 2666 MHz |
| Memory channels | Quad |
| Storage | |
| Storage media | HDD+SSD |
| Number of HDDs installed | 1 |
| HDD capacity | 1000 GB |
| HDD speed | 7200 RPM |
| HDD interface | Serial ATA |
| SSD interface | PCI Express |
| SSD capacity | 256 GB |
| Number of SSDs installed | 1 |
| Card reader integrated | No |
| Total storage capacity | 1256 GB |
| Total HDDs capacity | 1000 GB |
| Total SSDs capacity | 256 GB |
| Graphics | |
| Discrete graphics adapter | No |
| On-board graphics adapter | No |
| Discrete graphics adapter model | Not available |
| On-board graphics adapter model | Not available |
| Optical drive | |
| Optical drive type | DVD-RW |
| Optical drives quantity | 1 |
| BD interface type | SATA |
| Networking | |
| Ethernet LAN | Yes |
| Wi-Fi | No |
| Ethernet LAN data rates | 10,100,1000 Mbit/s |
| Cabling technology | 10/100/1000Base-T(X) |
| Ports & interfaces | |
| Combo headphone/mic port | Yes |
| USB 3.0 (3.1 Gen 1) Type-A ports quantity | 10 |
| PS/2 ports quantity | 2 |
| Microphone in | No |
| Line-out | Yes |
| Line-in | Yes |
| Ethernet LAN (RJ-45) ports | 2 |
| DVI port | No |
| Expansion slots | |
| PCI Express slots version | 3.0 |
| Technical details | |
| Intel 64 | Yes |
| Product type | Workstation |
| Intel® Turbo Boost Technology | 2.0 |
| Intel® Identity Protection Technology (Intel® IPT) | Yes |
| Intel® Hyper Threading Technology (Intel® HT Technology) | Yes |
| Product colour | Black |
| Chassis type | Mini Tower |
| Cable lock slot | Yes |
| Motherboard chipset | Intel® C422 |
| Design | |
| Product colour | Black |
| Chassis type | Mini Tower |
| Cable lock slot | Yes |
| Performance | |
| Embedded options available | No |
| Audio chip | Realtek HD ALC221 |
| Product type | Workstation |
| Motherboard chipset | Intel® C422 |
| Software | |
| Operating system architecture | 64-bit |
| Operating system installed | Windows 10 Pro |
| Processor special features | |
| Embedded options available | No |
| Enhanced Intel SpeedStep Technology | Yes |
| Thermal Monitoring Technologies | Yes |
| Intel® OS Guard | Yes |
| Intel VT-x with Extended Page Tables (EPT) | Yes |
| Intel TSX-NI | Yes |
| Intel Trusted Execution Technology | Yes |
| Intel® Secure Key | Yes |
| Intel® AES New Instructions (Intel® AES-NI) | Yes |
| Idle States | Yes |
| Execute Disable Bit | Yes |
| Intel Flex Memory Access | No |
| Intel Software Guard Extensions (Intel SGX) | Yes |
| Intel Enhanced Halt State | Yes |
| Intel Demand Based Switching | Yes |
| Supported instruction sets | AVX,AVX 2.0,AVX-512,SSE4.2 |
| Scalability | 1S |
| Processor package size | 45 x 52.5 mm |
| Processor code | SR3LM |
| Physical Address Extension (PAE) | Yes |
| Intel Virtualization Technology for Directed I/O (VT-d) | Yes |
| CPU configuration (max) | 1 |
| Intel Virtualization Technology (VT-x) | Yes |
| Conflict Free processor | Yes |
| Processor ARK ID | 126708 |
| Intel 64 | Yes |
| Intel® Turbo Boost Technology | 2.0 |
| Intel® Identity Protection Technology (Intel® IPT) | Yes |
| Intel® Hyper Threading Technology (Intel® HT Technology) | Yes |
| Physical Address Extension (PAE) | 46 bit |
| Power | |
| Power supply | 750 W |
| Certificates | |
| EPEAT compliance | Gold |
| Energy Star certified | Yes |
| Weight & dimensions | |
| Width | 169 mm |
| Depth | 445 mm |
| Height | 386 mm |
| Weight | 10.2 kg |
| Packaging content | |
| Display included | No |
| Keyboard included | Yes |
| Other features | |
| On-board graphics adapter | No |
| Part No | 3MB66EA |
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