HP Z4G6I X658X 128GB/1TB PC DDR5-SDRAM SSD Windows 11 Pro Tower Workstation
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Key specs
- Internal memory128 GB
- Internal memory typeDDR5-SDRAM
- Memory clock speed6400 MHz
- Total storage capacity1 TB
- Operating system installedWindows 11 Pro
- Weight13.8 kg
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Overview
- Intel Xeon 658X (up to 4.9 GHz with Intel Turbo Boost Technology, 144 MB L3 cache, 24 cores, 48 threads)
- Windows 11 Pro
- NVIDIA RTX PRO 4500 Blackwell Generation (32 GB GDDR7 dedicated)
- 128 GB DDR5-6400 MT/s ECC (4 x 32 GB), 1 TB HP Z Turbo Drive PCIe Gen5 M.2 SSD
Unlock next-levelscalable power
Power through multi-threaded tasks with high-end, multi-GPU compute. The HP Z4 G6i AI workstation helps you tackle complex workflows—from rendering and simulation to advanced video editing and massive dataset preparation. With HP Z Boost[1], share access to idle GPUs, maximizing utilization and ROI.
Specifications
Processor
| Processor manufacturer | Intel |
|---|---|
| Processor cores | 24 |
| Processor threads | 48 |
| Processor boost frequency | 4.9 GHz |
| Processor cache | 144 MB |
| Processor cache type | L3 |
Memory
| Internal memory | 128 GB |
|---|---|
| Internal memory type | DDR5-SDRAM |
| Memory layout (slots x size) | 4 x 32 GB |
| Memory slots | 8x DIMM |
| Memory clock speed | 6400 MHz |
| ECC | Yes |
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Storage
| Total storage capacity | 1 TB |
|---|---|
| Storage media | SSD |
| Number of storage drives installed | 1 |
| Total SSDs capacity | 1 TB |
| Number of SSDs installed | 1 |
| SSD capacity | 1 TB |
| SSD interface | PCI Express 5.0 |
| SSD form factor | M.2 |
Graphics
| Discrete graphics card | Yes |
|---|---|
| Discrete GPU manufacturer | NVIDIA |
| Discrete graphics card memory | 32 GB |
| Discrete graphics memory type | GDDR7 |
| Number of discrete graphics cards | 1 |
Network
| Ethernet LAN | Yes |
|---|
Ports & interfaces
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 6 |
|---|---|
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | 1 |
| USB Power Delivery (USB PD) | Yes |
| Microphone in | Yes |
| Line-in | Yes |
Expansion slots
| PCI Express x16 (Gen 5.x) slots | 5 |
|---|
Design
| Chassis type | Tower |
|---|---|
| Number of 3.5" bays | 1 |
Performance
| Product type | Workstation |
|---|---|
| Market positioning | Performance |
| Audio chip | Realtek ALC3205-CG |
| Password protection | Yes |
| Password protection type | BIOS, Power on |
Software
| Operating system installed | Windows 11 Pro |
|---|---|
| Bundled software | HP Wolf Pro Security Edition (1 year) |
Processor special features
| Intel® Turbo Boost Technology | Yes |
|---|
Brand-specific features
| HP segment | Business |
|---|---|
| HP GTIN (EAN/UPC) | 885981349498 |
Power
| Power supply | 1200 W |
|---|
Sustainability
| Sustainable technologies and materials | Low halogen; 60% post-consumer recycled plastic; 80 Plus Platinum power supplies available; 25% ocean-bound plastic in system fans; 100% recycled rare earth elements in speaker magnet; Contains at least 20% post-industrial recycled steel; 85% ITE-derived closed loop plastic in bezel |
|---|---|
| Sustainability certificates | ENERGY STAR, EPEAT, TCO, TCO10 |
| Sustainability compliance | Yes |
Weight & dimensions
| Width | 175 mm |
|---|---|
| Depth | 469.9 mm |
| Height | 175 mm |
| Weight | 13.8 kg |
| Package width | 313 mm |
| Package depth | 610 mm |
| Package weight | 17.3 kg |
Packaging content
| Keyboard connectivity | Wired |
|---|---|
| Keyboard included | Yes |
| Numeric keypad | No |
| Input device model | HP Wired 320M Mouse |
Other features
| UNSPSC-code | 43211515 |
|---|
Manuals & downloads
Customer reviews
Delivery & returns
Delivery
- FREE standard delivery on orders over €50, otherwise €4.99 (3–5 working days).
- Express delivery €9.99 (1–3 working days) on selected products.
- Northern Ireland delivery €9.99 (3–5 working days).
- PlayStation and Arozzi products use a 5–7 working-day service.
- Orders are processed within 24 hours, Monday to Friday excluding bank holidays. All deliveries must be signed for.
Returns
- Changed your mind? Tell us within 14 days of receiving your item, then return it within a further 14 days, unused and in its original packaging. A minimum €9.99 collection fee applies.
- Faulty or damaged on arrival? Contact us within 48 hours of delivery.
- Custom-built PCs can only be returned if faulty. Opened headphones, earphones and AirPods can't be returned for hygiene reasons.