HP Z2 Tower G1i
HP's entry tower workstation built on Intel's W880 chipset and Core Ultra desktop (series 2, "Arrow Lake") processors, with PCIe Gen5, DDR5 memory, and a 12VHPWR-ready chassis that scales from a 500 W base unit up to the RTX PRO 6000 Blackwell.
Memory
- Slots
- 4 DDR5 UDIMM slots
- Type
- DDR5 unbuffered DIMM, non-ECC or ECC
- Max
- 192 GB non-ECC at launch (256 GB with later 64 GB CUDIMM support) or 128 GB ECC
- Speed
- Up to 5600 MT/s UDIMM; 6400 MT/s with 64 GB CUDIMM modules, based on system configuration
Storage
- Bays
- 1 internal 3.5" bay (carrier included), 1 external 3.5" bay, 1 dedicated 9.5 mm slim ODD bay
- SATA HDD
- 1/2/4/8/12 TB 7200 rpm enterprise-class 3.5" HDDs; internal-bay install needs the separate HP Z2 TWR G1i HDD Cable Kit (B5DU5AA)
- M.2 PCIe SSD
- HP Z Turbo Drive M.2 2280 PCIe 4x4 (up to 8 TB) and PCIe 5x4 Z2 G12 TWR kits (1-2 TB); SED OPAL2 versions available
- Removable
- HP CRU Secure High Performance Storage M.2 modules (512 GB-2 TB)
- RAID
- Factory-integrated RAID 0/1 for NVMe drives (RAID 5/10 with Intel VROC support)
Graphics
- Entry
- NVIDIA RTX A400 4 GB, RTX A1000 8 GB (mini-bracket 4mDP)
- Mid-range
- NVIDIA RTX 2000E Ada 16 GB, RTX 2000 Ada 16 GB, RTX PRO 2000 Blackwell 16 GB
- High-end
- AMD Radeon RX 9070 XT 16 GB, Radeon Pro W7900 48 GB; NVIDIA RTX 4000 Ada 20 GB, RTX 4500 Ada 24 GB, RTX 5000 Ada 32 GB, RTX 5880 Ada 48 GB, RTX 6000 Ada 48 GB, RTX PRO 4000/4500/5000 Blackwell (24-48 GB)
- Ultra high-end
- NVIDIA RTX PRO 6000 Blackwell Max-Q 300 W 96 GB, RTX PRO 6000 Blackwell 96 GB
- Notes
- Some high-end and ultra high-end cards are unavailable with the 500 W (and, for the top tier, also the 700 W) power supply; HP Graphics Cable Kit (B5CJ4AA) adapts 8-pin/12-pin cards to the 12VHPWR standard this platform is designed around
Expansion
- Slot 1
- PCIe Gen5 x16
- Slot 2
- PCIe Gen4 x1 (x4 connector)
- Slot 3
- PCIe Gen4 x4 (x16 connector)
- Slot 4
- PCIe Gen4 x4
- Other
- 2 rear Flex I/O module bays; optional HP Dual TBT5 PCIe x4 low-profile card
Networking
- Flex I/O options
- HP 1GbE LAN Flex Port, HP Z2 2.5GbE LAN Flex Port, HP 10GBase-T Flex I/O, HP Flex 1GbE Fiber LC single port, HP HDMI 2.1 Flex I/O, DisplayPort 2.1 Flex I/O, VGA Flex I/O, dual USB-A/USB-C Flex I/O, Thunderbolt 4 Flex I/O
- Cards
- Intel Ethernet I350-T4 4-port 1Gb, Intel I226-T1 2.5GbE, Intel X550 10GBASE-T dual-port, Intel E810-XXVDA2 10/25GbE SFP28, NVIDIA Mellanox ConnectX-6 DX dual-port 10/25GbE SFP28, Allied Telesis AT-2911Ta/2, Broadcom 5720 1GbE
- FLY module
- Z2 G1i Single 1Gbps Fiber NIC USB FLY Adapter
Power
- 500 W
- Wide-ranging active PFC, 92% efficiency; 6+2 pin graphics power adapter
- 700 W
- Wide-ranging active PFC, 92% efficiency; supports 12VHPWR graphics power connector
- 1200 W
- Wide-ranging active PFC, 92% efficiency; supports 12VHPWR graphics power connector
Ports
- Front
- 4 × USB-A 10 Gbps, 2 × USB-C 20 Gbps (charge up to 5V/3A), headphone/microphone combo jack
- Rear (standard)
- 2 × USB-A 10 Gbps, 3 × USB-A 480 Mbps, 2 × DisplayPort 1.4, 1 × RJ-45 1GbE, audio line-in/line-out
- Flex I/O 1 (choose one)
- Dual USB-A 5 Gbps, USB-C 10 Gbps (DP 1.4 Alt Mode, 15 W), dual USB-C 10 Gbps, Thunderbolt 4 (40 Gbps, 15 W, DisplayPort 2.1), USB-based serial, DisplayPort 2.1, HDMI 2.1, VGA, 1GbE NIC, 1 Gbps Fiber LC NIC, 2.5GbE NIC, 10GbE NIC
- Flex I/O 2 (choose one)
- Dual USB-A 5 Gbps, USB-based serial, 1 Gbps Fiber LC NIC (FLY USB type)
- Internal
- 1 serial header
Physical
- Form factor
- Tower; rack-mountable at 4U (1 unit per slide-rail kit, standard EIA-310-D 19" rack)
- Chassis dimensions (H×W×D)
- 388 × 175 × 426 mm (15.2 × 6.9 × 16.7 in), standard desktop orientation
- Packaged dimensions
- 295 × 590 × 490 mm (11.61 × 23.23 × 19.3 in)
- Weight
- Starting at 8.6 kg (19.02 lb); depends on configuration
- Operating temperature
- 5-35 °C, reduced above 1524 m altitude
- Max altitude
- 3,048 m operating with HDD, 5,000 m operating with SSD-only, 12,192 m non-operating
Management
- Remote
- HP Remote System Controller (PCIe card, integrated, or main-board adapter)
- Security
- HP Sure Start, HP Client Security Suite, HP Wolf Security for Business (Sure Click, Sure Sense, Sure Run Gen5, Sure Recover Gen4, Tamper Lock, Sure Admin), optional hood sensor kit, optional hood lock, HP Business PC Security Lock V3 Kit
- BIOS
- F10 Performance Control Modes: Quiet, Performance, Rack Mode and High Performance (factory default); S4/S5 Maximum Power Savings for EU Lot6
Operating systems
- Preinstalled
- Windows 11 Pro 64-bit, Windows 11 Home 64-bit, Linux-ready, Ubuntu 24.04 LTS
- Supported
- Windows 10, Red Hat Enterprise Linux Workstation 9, SUSE Linux Enterprise Desktop 15
- Not supported
- Windows 7 and Windows 8
Processors
- Intel Core Ultra 9 285K
- Intel Core Ultra 9 285
- Intel Core Ultra 7 270K Plus
- Intel Core Ultra 7 265K
- Intel Core Ultra 7 265
- Intel Core Ultra 7 250K
- Intel Core Ultra 5 245K
- Intel Core Ultra 5 245
- Intel Core Ultra 5 235
- Intel Core Ultra 5 225