Experience new levels of performance for professional workflows. The Buy HP Z2 Tower G1i Workstation is reengineered to support high-end graphics and seamlessly run both single and multi-threaded apps for fast modeling, simulation, and rendering. Enjoy easy expandability to upgrade, when needs evolve.
| C85MTES | C85MXES | |
|---|---|---|
| Processor | Intel Core Ultra 7 265K | Intel Core Ultra 9 285K |
| OS | Windows 11 Pro | Windows 11 Pro |
| Memory | 16 GB DDR5 | 16 GB DDR5 |
| Graphics | Integrated Intel Graphics | Integrated Intel Graphics |
| Storage | 1 TB SSD | 1 TB SSD |
| Power | 700 W | 700 W |
| Warranty | 1 year Warranty | 1 year Warranty |
| Action | Get a Quote Shop Now | Get a Quote Shop Now |

Unleash the power of up to 600W, triple-wide graphics and an Intel Core Ultra processor. Smart fan control tunes fan speeds in real-time. New lattice venting optimizes airflow intake.
Need to upgrade graphics? Increase memory or storage? Add specialized PCIe cards? With room to expand and tool-less access, you can easily upgrade and add components as needs evolve. Well suited for rack environments, now fit 1 unit in a 4U rack.


Accelerate AI inferencing and development with the Z2 Tower AI workstation. Iterate and problem solve faster on your local device with a powerful discrete GPU delivering AI TOPS while a built-in NPU takes on productivity tasks.
Work anywhere without compromising on performance with Windows 11 and HP collaboration, security, and connectivity technology. Summarize and rewrite content, get relevant content recommendations, and stay organized with Microsoft Copilot.
The stunning new design features front and rear ledges, so you can easily move your system from location to location.
Work with confidence knowing your PC is certified by leading software vendors to ensure peak performance even on complex projects.
Access the power of your Z from any device with HP Anyware—remote access software delivering fast responsiveness and image quality, even in film editing and data visualizations.


Front View :
| 1. | Power button |
| 2. | headphone/microphone combo |
| 3. | 4 SuperSpeed USB Std-A 10Gbps ports |
| 4. | 2 SuperSpeed USB-C USB3.2 Gen2x2 20Gbps port (charge supports up to 5V/3A) |
| 5. | Slim ODD bay (Optional) |
| 6. | External 3.5'' bay |
| 7. | WLAN Antenna (optional) Internal |
| 1. | Power Connector | 2. | 1 Audio Line-in & out jack |
| 3. | 2 DisplayPort 1.4 ports | 4. | 3 Hi-Speed USB Std-A 480Mbps ports |
| 5. | 2 SuperSpeed USB Std-A 10Gbps ports | 6. | 1 1Gb LAN |
| 7. | Hood lock (optional) | 8. | Flex IO, choice of: 1 Dual SuperSpeed USB Std-A 5Gbps port, 1 SuperSpeed USB Type-C® 10Gbps port (Alt Mode DisplayPort™1.4 with 15W Output) , 1 Dual SuperSpeed USB Type-C® 10Gbps port1, 1 Thunderbolt™ 4 port (40Gbps), 1 USBbased Serial port, 1 Displayport 2.1 port, 1 HDMI 2.1 port, 1 VGA port, (1) 1GbE NIC, (1) 1Gbps Fiber LC NIC*, (1) 2.5GbE NIC1, (1) 10GbE NIC*1 |
| 9. | Flex IO 2, choice of: 1 Dual SuperSpeed USB Std-A 5Gbps ports, 1 USB-based Serial port, (1) 1Gbps Fiber LC NIC (FLY USB Type) |

| Available Operating Systems: | Windows 11 Pro; Linux Ready; Ubuntu 24.04 LTS |
| Processor family: | Intel Core Ultra 9 processor; Intel Core Ultra 7 processor; Intel Core Ultra 5 processor |
| Available Processors: | Intel Core Ultra 9 285K with Intel Graphics (8 P-cores and 16 E-cores, 24 threads); Intel Core Ultra 9 285 with Intel Graphics (8 P-cores and 16 E-cores, 24 threads); Intel Core Ultra 7 265K with Intel Graphics (8 P-cores and 12 E-cores, 20 threads); Intel Core Ultra 7 265 with Intel Graphics (8 P-cores and 12 E-cores, 20 threads); Intel Core Ultra 5 245K with Intel Graphics (6 P-cores and 8 E-cores, 14 threads); Intel Core Ultra 5 245 with Intel Graphics (6 P-cores and 8 E-cores, 14 threads); Intel Core Ultra 5 235 with Intel Graphics (6 P-cores and 8 E-cores, 14 threads); Intel Core Ultra 5 225 with Intel Graphics (6 P-cores and 4 E-cores, 10 threads) |
| Chipset: | Intel W880 |
| Intel W880: | Tower |
| Maximum memory: | 128 GB DDR5-5600 MT/s ECC; 192 GB DDR5-5600 MT/s non-ECC Transfer rates up to 5600 MT/s. |
| Memory slots: | 4 DRR5 |
| Internal storage: | PCIe NVMe SSDs (up to 4TB+) or Enterprise HDDs (up to 12TB). |
| Available Graphics: | NVIDIA RTX 4500 Ada Generation; NVIDIA RTX 4000 Ada Generation; NVIDIA RTX 2000 Ada Generation; NVIDIA RTX 6000 Ada Generation; NVIDIA RTX 5000 Ada Generation; AMD Radeon Pro W7900; NVIDIA RTX A1000; NVIDIA RTX A400 |
| Audio: | Realtek ALC3205 codec, universal audio jack with CTIA and OMTP headset support |
| Expansion slots: | 2 M.2 2280 PCIe 4 x4; 1 M.2 2230 for WLAN; 1 M.2 2280 PCIe 5 x4; 1 PCIe 4 x1 mechanical (x4 electrical); 1 PCIe 4 x4 mechanical (x16 electrical); 1 PCIe 4 x4 |
| Drive Bays: | External: One slim ODD; One 5.25 |
| Power: | 500 W internal power adapter, up to 92% efficiency, active PFC; 1200 W internal power adapter, up to 92% efficiency, active PFC; 700 W internal power adapter, up to 92% efficiency, active PFC |
| Dimensions: | 6.9 x 16.7 x 15.2 in; 17.5 x 42.6 x 38.8 cm; (Standard desktop orientation.); 23.2 x 19.3 x 11.6 in; 59 x 49 x 29.5 cm (Package) |
| Weight: | Starting at 19 lb; Starting at 8.6 kg; Starting at 27.3 lb; Starting at 12.5 kg (Package) ; (Exact weight depends on configuration.) |