HP Z1 Tower G1i
HP's entry-level Z tower workstation on Intel Core Ultra 200S (Arrow Lake-S) and the Q870 chipset, with a socketed CPU, up to 128 GB DDR5, PCIe 5.0 expansion and entry/mid workstation GPU options. Aimed at CAD, light content-creation and engineering desks that don't need a Xeon W tower.
Memory
- Slots
- 4 × DDR5 UDIMM, customer accessible/upgradeable
- Type
- DDR5-4800 or DDR5-5600 (transfer rate up to 4800/5600 MT/s); actual system speed up to 4400 MT/s per Intel's design guideline
- Max
- 128 GB (4 × 32 GB)
- Configurations
- 8 GB (1×8), 16 GB (2×8 or 1×16), 32 GB (4×8, 2×16 or 1×32), 64 GB (4×16 or 2×32), 128 GB (4×32)
- Rules
- 2 DIMMs per channel; population starts from the slot furthest from the processor; symmetric configuration required for the 2 DIMMs in the same channel; HP recommends identical modules (capacity, part number, supplier) per channel
Storage
- 3.5" HDD
- 1 TB or 2 TB 7200 RPM SATA HDD
- M.2 NVMe SSD
- 256 GB, 512 GB, 1 TB or 2 TB M.2 2280 PCIe NVMe SSD; 512 GB and 256 GB Self-Encrypting OPAL2 options
- Optical
- HP 9.5 mm Slim DVD-ROM or DVD Writer (occupies a slim bay)
- Bays
- 2 × 3.5" internal storage drive bay; 2 × slim bay for ODD or removable M.2 SSD (CTO only)
- Internal ports
- 3 × SATA 3.0 (6 Gbps); 4 × M.2 PCIe (1 × M.2 2230 for WLAN, 3 × M.2 2280/PCIe 4.0 x4 for storage); M.2 SSD attached to the CPU runs at PCIe Gen4
- RAID
- SATA RAID 0 or 1; M.2 NVMe RAID 0, 1 or 5 (SATA and NVMe RAID can run simultaneously; NVMe RAID 5 is not factory pre-configured)
- Boot drive
- Windows must be installed on an SSD (HP policy since Nov 1, 2023); HDD can only be a secondary data drive
Graphics
- Integrated
- Intel UHD Graphics (4Xe/3Xe/2Xe depending on CPU SKU)
- NVIDIA RTX A1000 8 GB
- GDDR6, 128-bit bus, 721/1462 MHz base/boost, 4 × mini-DisplayPort 1.4a, 4 displays max, 50 W, single-slot active cooling, 2.7 × 6.4 in card
- NVIDIA RTX A400 4 GB
- GDDR6, 64-bit bus, 1417/1762 MHz base/boost, 4 × mini-DisplayPort 1.4a, 4 displays max, 50 W, single-slot active cooling, 2.7 × 6.4 in card
- Intel Arc A380 6 GB
- GDDR6, 96-bit bus, 2150 MHz engine clock, 3 × DisplayPort + 1 × HDMI, 4 displays max, 75 W, active cooling
- AMD Radeon RX 6300 2 GB
- GDDR6, 32-bit bus, 1512/2040 MHz base/boost, 1 × HDMI + 1 × DisplayPort, 2 displays max, 57 W, single-slot active cooling, full-height
- Max resolution (onboard)
- HDMI 2.1: 4096×2160@60Hz; DisplayPort 2.1 HBR3: 5120×3200@60Hz 24bpp
- Max cards
- 1 discrete graphics card; not available with the 180 W or 280 W power supply on some cards
Expansion
- Slot 1
- PCI Express 5.0 x16, full height
- Slot 2
- PCI Express 3.0 x16 (wired as x4), full height
- Slot 3
- PCI Express 3.0 x1, full height
- Note
- QuickSpecs' front-view diagram lists a fourth slot (a second PCIe Gen3 x1, and calls the x16-wired-x4 slot "Gen4") that the detailed Ports/Expansion table does not; this entry follows the Ports table, which lists exactly 3 slots (PCIe 5.0 x16, PCIe 3.0 x16 wired as x4, PCIe 3.0 x1).
Networking
- Onboard LOM
- Intel I219-LM 1 Gigabit Ethernet (vPro)
- Add-in NIC
- Intel I226-T1 2.5 GbE Ethernet adapter
- Wireless
- Intel Wi-Fi 7 BE200 + Bluetooth 5.4 (vPro and non-vPro variants); Realtek RTL8852CE 802.11ax 2×2 Wi-Fi 6E + BT 5.3
- Notes
- Wi-Fi 7 (802.11be) requires Windows 11 24H2 and a Wi-Fi 7 router; Wi-Fi 6E availability is restricted by local regulation in some countries
Power
- Internal PSU
- 500 W / 280 W / 400 W active PFC, 80 PLUS Platinum
- Efficiency @115VAC
- 90/92/89% at 20/50/100% load (80 PLUS Platinum certified)
- Efficiency @230VAC
- 91/93/90% at 20/50/100% load (meets 80 PLUS Gold minimums)
- Input
- 90-264 VAC operating (100-240 VAC rated), 47-63 Hz operating (50-60 Hz rated)
- Rated input current
- 280 W: ≤3.3 A; 400 W: ≤5.2 A; 500 W: ≤6 A
- Fan
- 70 mm variable-speed power supply fan
- Cord
- 6.0 ft (1.83 m); 2.0 m in India
Ports
- Front
- 4 × USB-A SuperSpeed 10 Gbps, 2 × USB-C SuperSpeed 20 Gbps (15 W charging), 1 × combo audio jack (CTIA/OMTP)
- Rear standard
- 3 × USB-A Hi-Speed 480 Mbps (2 with wake from S4/S5), 2 × USB-A SuperSpeed 5 Gbps, 2 × DisplayPort 2.1 HBR3, 1 × HDMI 2.1, 1 × RJ-45, audio line-out (line-in re-taskable)
- Flex port 1 (choice of one)
- Dual USB-A 5 Gbps, dual USB-C 10 Gbps, USB-C 10 Gbps (alt-mode DisplayPort 1.4, 15 W), Thunderbolt 4, DisplayPort 2.1, HDMI 2.1, VGA, serial, or 1 Gbps fiber NIC
- Flex port 2 (choice of one)
- Dual USB-A 5 Gbps or serial
- Optional
- Parallel port, 4-port serial PCIe card
- Internal
- PCI Express 5.0 x16, PCIe 3.0 x16 (x4 wired), PCIe 3.0 x1, 3 × SATA 3.0, 4 × M.2 PCIe (1 × 2230 WLAN, 3 × 2280 storage)
- Security/mechanical
- Padlock loop, standard cable lock slot, integrated keyboard/mouse wire hoop
Physical
- Chassis (W×D×H)
- 6.1 × 12.13 × 13.27 in / 155 × 308 × 337 mm
- System volume
- 981.9 cu in / 16.1 L
- Weight
- 13.8 lb / 6.25 kg typical (1 HDD/1 ODD/1 DIMM); up to 16.5 lb / 7.56 kg full config
- Operating temperature
- 50-95 °F / 10-35 °C (de-rated 1.0 °C per 300 m above 3000 m)
- Non-operating temperature
- -22 to 149 °F / -30 to 65 °C
- Humidity
- 10-90% operating, 5-95% non-operating, non-condensing
- Altitude
- 5000 m operating, 15,240 m (50,000 ft) non-operating
- Packaging
- 15.75 × 19.65 × 11.30 in / 400 × 499 × 287 mm; shipping weight 18.46 lb / 8.38 kg
Management
- Security
- TPM 2.0 (Infineon SLB9672 / Nuvoton NPCT760HABYX), Common Criteria EAL4+ and FIPS 140-2 Level 2 certified; optional solenoid lock and intrusion sensor; SATA port and Serial/USB enable-disable via BIOS; power-on and setup passwords; HP DriveLock and Automatic DriveLock
- Manageability
- ACPI power management; Intel Wired for Management; Dual-state power button; diagnostic LED blink-code table for BIOS/memory/graphics/PSU/processor faults; HP PC Hardware Diagnostics UEFI (F2 at POST); HP BIOSphere; HP BIOS Recovery/Update via Network
- HP Wolf Security for Business
- Sure Admin, Sure Click, Sure Run, Sure Recover, Sure Start, Tamper Lock (Windows 10/11 Pro or higher)
Operating systems
- Preinstalled
- Windows 11 Pro, Windows 11 Pro Education, Windows 11 Home, Windows 11 Home Single Language, Windows 11 Pro (Enterprise/Windows 10 Enterprise available via Volume Licensing), FreeDOS
Processors
- Intel Core Ultra 9 285
- Intel Core Ultra 7 265
- Intel Core Ultra 5 245
- Intel Core Ultra 5 235
- Intel Core Ultra 5 225