The products
Discover the Benefits of Refurbished HP Z8 G4
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Quick processing and effortless ability to do multiple tasks at once
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Save money without losing quality
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Many storage choices are available
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Simple upgrades and customisation
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Strong graphics abilities
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Certified reliability and warranty
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Increased productivity and creativity
Why choose Bytestock?
At Bytestock, we offer refurbished IT Hardware at affordable prices and worldwide shipping. You can rely on us to provide high-quality products that our engineering team has tested. We offer various refurbished options for hardware, all of which come with a 5-year return-to-base warranty. Save up to 70% off the MSRP when you buy a customisable or pre-configured workstation from Bytestock!
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Configure Your OwnHP Z8 G4 Tower Workstation - Configure Your Own
- Refurbished - 5 Year Bytestock Return to Base Warranty
- Up to 2 x 2nd Generation Intel Xeon Scalable Processor (28 Cores)
- Up to 1.5TB of Memory (24 DIMM Slots)
- Integrated SATA Raid Controller
- Integrated Intel I219LM
- Built-In 1125W Power Supply
£1,080.00 £900.00 -
HP Z8 G4 Workstation 2 x 10 Core 2.40GHz Silver 4210R 32GB 2.5TB Storage RTX A4000
- 4 x 3.5" (LFF) Large Form Factor
- 2 x Intel Xeon Silver 4210R 2.40GHz 10-Core CPU Processors
- 32GB DDR4 Memory
- HP Z Turbo Drive Dual Port M.2 NVMe Adapter + 1 x 512GB M.2 NVMe SSD Drive
- 1 x NVIDIA RTX A4000 Ampere 16GB GDDR6 Graphics Card (4 x Display Ports)
- Integrated SATA Raid Controller
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HP Z8 G4 Workstation 2 x 10 Core 2.40GHz Silver 4210R 64GB 8.5TB Storage RTX A4000
- 4 x 3.5" (LFF) Large Form Factor
- 2 x Intel Xeon Silver 4210R 2.40GHz 10-Core CPU Processors
- 64GB DDR4 Memory
- HP Z Turbo Drive Dual Port M.2 NVMe Adapter + 1 x 512GB M.2 NVMe SSD Drive
- 1 x OEM 3.5" 8TB 7.2K 6GBPS SATA Hard Drive
- 1 x NVIDIA RTX A4000 Ampere 16GB GDDR6 Graphics Card (4 x Display Ports)
- Integrated SATA Raid Controller
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HP Z8 G4 Workstation 2 x 12 Core 2.40GHz Silver 4214R 32GB 2.5TB Storage RTX A4000
- 4 x 3.5" (LFF) Large Form Factor
- 2 x Intel Xeon Silver 4214R 2.40GHz 12-Core CPU Processors
- 32GB DDR4 Memory
- HP Z Turbo Drive Dual Port M.2 NVMe Adapter + 1 x 512GB M.2 NVMe SSD Drive
- 1 x OEM 3.5" 2TB 7.2K 6GBPS SATA Hard Drive
- 1 x NVIDIA RTX A4000 Ampere 16GB GDDR6 Graphics Card (4 x Display Ports)
- Integrated SATA Raid Controller
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HP Z8 G4 Workstation 2 x 12 Core 2.40GHz Silver 4214R 64GB 8.5TB Storage RTX A4000
- 4 x 3.5" (LFF) Large Form Factor
- 2 x Intel Xeon Silver 4214R 2.40GHz 12-Core CPU Processors
- 64GB DDR4 Memory
- HP Z Turbo Drive Dual Port M.2 NVMe Adapter + 1 x 512GB M.2 NVMe SSD Drive
- 1 x OEM 3.5" 8TB 7.2K 6GBPS SATA Hard Drive
- 1 x NVIDIA RTX A4000 Ampere 16GB GDDR6 Graphics Card (4 x Display Ports)
- Integrated SATA Raid Controller
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HP Z8 G4 Workstation 2 x 12 Core 3.30GHz Gold 6246 128GB 2.5TB Storage RTX A4000
- 4 x 3.5" (LFF) Large Form Factor
- 2 x Intel Xeon Gold 6246 3.30GHz 12-Core CPU Processors
- 128GB DDR4 Memory
- 1 x OEM 3.5" 2TB 7.2K 6GBPS SATA Hard Drive
- HP Z Turbo Drive Dual Port M.2 NVMe Adapter + 1 x 512GB M.2 NVMe SSD Drive
- 1 x NVIDIA RTX A4000 Ampere 16GB GDDR6 Graphics Card (4 x Display Ports)
- Integrated SATA Raid Controller
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HP Z8 G4 Workstation 2 x 12 Core 3.30GHz Gold 6246 256GB 8.5TB Storage RTX A4000
- 4 x 3.5" (LFF) Large Form Factor
- 2 x Intel Xeon Gold 6246 3.30GHz 12-Core CPU Processors
- 256GB DDR4 Memory
- 1 x OEM 3.5" 8TB 7.2K 6GBPS SATA Hard Drive
- HP Z Turbo Drive Dual Port M.2 NVMe Adapter + 1 x 512GB M.2 NVMe SSD Drive
- 1 x NVIDIA RTX A4000 Ampere 16GB GDDR6 Graphics Card (4 x Display Ports)
- Integrated SATA Raid Controller
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HP Z8 G4 Workstation 2 x 16 Core 2.80GHz Gold 6242 128GB 2.5TB Storage RTX A4000
- 4 x 3.5" (LFF) Large Form Factor
- 2 x Intel Xeon Gold 6242 2.80GHz 16-Core CPU Processors
- 128GB DDR4 Memory
- HP Z Turbo Drive Dual Port M.2 NVMe Adapter + 1 x 512GB M.2 NVMe SSD Drive
- 1 x OEM 3.5" 2TB 7.2K 6GBPS SATA Hard Drive
- 1 x NVIDIA RTX A4000 Ampere 16GB GDDR6 Graphics Card (4 x Display Ports)
- Integrated SATA Raid Controller
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HP Z8 G4 Workstation 2 x 16 Core 2.80GHz Gold 6242 256GB 8.5TB Storage RTX A4000
- 4 x 3.5" (LFF) Large Form Factor
- 2 x Intel Xeon Gold 6242 2.80GHz 16-Core CPU Processors
- 256GB DDR4 Memory
- HP Z Turbo Drive Dual Port M.2 NVMe Adapter + 1 x 512GB M.2 NVMe SSD Drive
- 1 x OEM 3.5" 8TB 7.2K 6GBPS SATA Hard Drive
- 1 x NVIDIA RTX A4000 Ampere 16GB GDDR6 Graphics Card (4 x Display Ports)
- Integrated SATA Raid Controller
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HP Z8 G4 Workstation 2 x 18 Core 2.70GHz Gold 6150 128GB 8.5TB Storage RTX A4000
- 4 x 3.5" (LFF) Large Form Factor
- 2 x Intel Xeon Gold 6150 2.70GHz 18-Core CPU Processors
- 128GB DDR4 Memory
- HP Z Turbo Drive Dual Port M.2 NVMe Adapter + 1 x 512GB M.2 NVMe SSD Drive
- 1 x OEM 3.5" 8TB 7.2K 6GBPS SATA Hard Drive
- 1 x NVIDIA RTX A4000 Ampere 16GB GDDR6 Graphics Card (4 x Display Ports)
- Integrated SATA Raid Controller
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HP Z8 G4 Workstation 2 x 18 Core 2.70GHz Gold 6150 64GB 2.5TB Storage RTX A4000
- 4 x 3.5" (LFF) Large Form Factor
- 2 x Intel Xeon Gold 6150 2.70GHz 18-Core CPU Processors
- 64GB DDR4 Memory
- HP Z Turbo Drive Dual Port M.2 NVMe Adapter + 1 x 512GB M.2 NVMe SSD Drive
- 1 x OEM 3.5" 2TB 7.2K 6GBPS SATA Hard Drive
- 1 x NVIDIA RTX A4000 Ampere 16GB GDDR6 Graphics Card (4 x Display Ports)
- Integrated SATA Raid Controller
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HP Z8 G4 Workstation 2 x 18 Core 3.00GHz Gold 6154 128GB 2.5TB Storage RTX A4000
- 4 x 3.5" (LFF) Large Form Factor
- 2 x Intel Xeon Gold 6154 3.00GHz 18-Core CPU Processors
- 128GB DDR4 Memory
- HP Z Turbo Drive Dual Port M.2 NVMe Adapter + 1 x 512GB M.2 NVMe SSD Drive
- 1 x OEM 3.5" 2TB 7.2K 6GBPS SATA Hard Drive
- 1 x NVIDIA RTX A4000 Ampere 16GB GDDR6 Graphics Card (4 x Display Ports)
- Integrated SATA Raid Controller
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HP Z8 G4 Workstation 2 x 18 Core 3.00GHz Gold 6154 256GB 8.5TB Storage RTX A4000
- 4 x 3.5" (LFF) Large Form Factor
- 2 x Intel Xeon Gold 6154 3.00GHz 18-Core CPU Processors
- 256GB DDR4 Memory
- HP Z Turbo Drive Dual Port M.2 NVMe Adapter + 1 x 512GB M.2 NVMe SSD Drive
- 1 x OEM 3.5" 8TB 7.2K 6GBPS SATA Hard Drive
- 1 x NVIDIA RTX A4000 Ampere 16GB GDDR6 Graphics Card (4 x Display Ports)
- Integrated SATA Raid Controller
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HP Z8 G4 Workstation 2 x 18 Core 3.10GHz Gold 6254 128GB 2.5TB Storage RTX A5500
- 4 x 3.5" (LFF) Large Form Factor
- 2 x Intel Xeon Gold 6254 3.10GHz 18-Core CPU Processors
- 128GB DDR4 Memory
- HP Z Turbo Drive Dual Port M.2 NVMe Adapter + 1 x 512GB M.2 NVMe SSD Drive
- 1 x OEM 3.5" 2TB 7.2K 6GBPS SATA Hard Drive
- 1 x NVIDIA RTX A5500 Ampere 24GB GDDR6 Graphics Card (4 x Display Ports)
- Integrated SATA Raid Controller
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HP Z8 G4 Workstation 2 x 18 Core 3.10GHz Gold 6254 256GB 8.5TB Storage RTX A5500
- 4 x 3.5" (LFF) Large Form Factor
- 2 x Intel Xeon Gold 6254 3.10GHz 18-Core CPU Processors
- 256GB DDR4 Memory
- HP Z Turbo Drive Dual Port M.2 NVMe Adapter + 1 x 512GB M.2 NVMe SSD Drive
- 1 x OEM 3.5" 8TB 7.2K 6GBPS SATA Hard Drive
- 1 x NVIDIA RTX A5500 Ampere 24GB GDDR6 Graphics Card (4 x Display Ports)
- Integrated SATA Raid Controller
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HP Z8 G4 Workstation 2 x 24 Core 2.10GHz Platinum 8160 128GB 2.5TB Storage RTX A4000
- 4 x 3.5" (LFF) Large Form Factor
- 2 x Intel Xeon Platinum 8160 2.10GHz 24-Core CPU Processors
- 128GB DDR4 Memory
- 1 x OEM 3.5" 2TB 7.2K 6GBPS SATA Hard Drive
- HP Z Turbo Drive Dual Port M.2 NVMe Adapter + 1 x 512GB M.2 NVMe SSD Drive
- 1 x NVIDIA RTX A4000 Ampere 16GB GDDR6 Graphics Card (4 x Display Ports)
- Integrated SATA Raid Controller
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HP Z8 G4 Workstation 2 x 24 Core 2.10GHz Platinum 8160 256GB 8.5TB Storage RTX A4000
- 4 x 3.5" (LFF) Large Form Factor
- 2 x Intel Xeon Platinum 8160 2.10GHz 24-Core CPU Processors
- 256GB DDR4 Memory
- 1 x OEM 3.5" 8TB 7.2K 6GBPS SATA Hard Drive
- HP Z Turbo Drive Dual Port M.2 NVMe Adapter + 1 x 512GB M.2 NVMe SSD Drive
- 1 x NVIDIA RTX A4000 Ampere 16GB GDDR6 Graphics Card (4 x Display Ports)
- Integrated SATA Raid Controller
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HP Z8 G4 Workstation 2 x 24 Core 2.40GHz Platinum 8260 128GB 2.5TB Storage RTX A4000
- 4 x 3.5" (LFF) Large Form Factor
- 2 x Intel Xeon Platinum 8260 2.40GHz 24-Core CPU Processors
- 128GB DDR4 Memory
- HP Z Turbo Drive Dual Port M.2 NVMe Adapter + 1 x 512GB M.2 NVMe SSD Drive
- 1 x OEM 3.5" 2TB 7.2K 6GBPS SATA Hard Drive
- 1 x NVIDIA RTX A4000 Ampere 16GB GDDR6 Graphics Card (4 x Display Ports)
- Integrated SATA Raid Controller
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HP Z8 G4 Workstation 2 x 24 Core 2.40GHz Platinum 8260 256GB 8.5TB Storage RTX A4000
- 4 x 3.5" (LFF) Large Form Factor
- 2 x Intel Xeon Platinum 8260 2.40GHz 24-Core CPU Processors
- 256GB DDR4 Memory
- HP Z Turbo Drive Dual Port M.2 NVMe Adapter + 1 x 512GB M.2 NVMe SSD Drive
- 1 x OEM 3.5" 8TB 7.2K 6GBPS SATA Hard Drive
- 1 x NVIDIA RTX A4000 Ampere 16GB GDDR6 Graphics Card (4 x Display Ports)
- Integrated SATA Raid Controller
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HP Z8 G4 Workstation 2 x 24 Core 2.70GHz Platinum 8168 192GB 2.5TB Storage RTX A4000
- 4 x 3.5" (LFF) Large Form Factor
- 2 x Intel Xeon Platinum 8168 2.70GHz 24-Core CPU Processors
- 192GB DDR4 Memory
- HP Z Turbo Drive Dual Port M.2 NVMe Adapter + 1 x 512GB M.2 NVMe SSD Drive
- 1 x OEM 3.5" 2TB 7.2K 6GBPS SATA Hard Drive
- 1 x NVIDIA RTX A4000 Ampere 16GB GDDR6 Graphics Card (4 x Display Ports)
- Integrated SATA Raid Controller
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HP Z8 G4 Workstation 2 x 24 Core 2.70GHz Platinum 8168 384GB 8.5TB Storage RTX A4000
- 4 x 3.5" (LFF) Large Form Factor
- 2 x Intel Xeon Platinum 8168 2.70GHz 24-Core CPU Processors
- 384GB DDR4 Memory
- HP Z Turbo Drive Dual Port M.2 NVMe Adapter + 1 x 512GB M.2 NVMe SSD Drive
- 1 x OEM 3.5" 8TB 7.2K 6GBPS SATA Hard Drive
- 1 x NVIDIA RTX A4000 Ampere 16GB GDDR6 Graphics Card (4 x Display Ports)
- Integrated SATA Raid Controller
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HP Z8 G4 Workstation 2 x 24 Core 3.00GHz Gold 6248R 128GB 2.5TB Storage RTX A5500
- 4 x 3.5" (LFF) Large Form Factor
- 2 x Intel Xeon Gold 6248R 3.00GHz 24-Core CPU Processors
- 128GB DDR4 Memory
- HP Z Turbo Drive Dual Port M.2 NVMe Adapter + 1 x 512GB M.2 NVMe SSD Drive
- 1 x OEM 3.5" 2TB 7.2K 6GBPS SATA Hard Drive
- 1 x NVIDIA RTX A5500 Ampere 24GB GDDR6 Graphics Card (4 x Display Ports)
- Integrated SATA Raid Controller
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HP Z8 G4 Workstation 2 x 24 Core 3.00GHz Gold 6248R 256GB 8.5TB Storage RTX A5500
- 4 x 3.5" (LFF) Large Form Factor
- 2 x Intel Xeon Gold 6248R 3.00GHz 24-Core CPU Processors
- 256GB DDR4 Memory
- HP Z Turbo Drive Dual Port M.2 NVMe Adapter + 1 x 512GB M.2 NVMe SSD Drive
- 1 x OEM 3.5" 8TB 7.2K 6GBPS SATA Hard Drive
- 1 x NVIDIA RTX A5500 Ampere 24GB GDDR6 Graphics Card (4 x Display Ports)
- Integrated SATA Raid Controller
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HP Z8 G4 Workstation 2 x 8 Core 3.00GHz Gold 5217 128GB 8.5TB Storage RTX A4000
- 4 x 3.5" (LFF) Large Form Factor
- 2 x Intel Xeon Gold 5217 3.00GHz 8-Core CPU Processors
- 128GB DDR4 Memory
- HP Z Turbo Drive Dual Port M.2 NVMe Adapter + 1 x 512GB M.2 NVMe SSD Drive
- 1 x OEM 3.5" 8TB 7.2K 6GBPS SATA Hard Drive
- 1 x NVIDIA RTX A4000 16GB GDDR6 Graphics Card (4 x Display Ports)
- Integrated SATA Raid Controller
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HP Z8 G4 Workstation 2 x 8 Core 3.00GHz Gold 5217 64GB 2.5TB Storage RTX A4000
- 4 x 3.5" (LFF) Large Form Factor
- 2 x Intel Xeon Gold 5217 3.00GHz 8-Core CPU Processors
- 64GB DDR4 Memory
- HP Z Turbo Drive Dual Port M.2 NVMe Adapter + 1 x 512GB M.2 NVMe SSD Drive
- 1 x OEM 3.5" 2TB 7.2K 6GBPS SATA Hard Drive
- 1 x NVIDIA RTX A4000 16GB GDDR6 Graphics Card (4 x Display Ports)
- Integrated SATA Raid Controller
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HP Z8 G4 Workstation 2 x 8 Core 3.20GHz Silver 4215R 128GB 8.5TB Storage RTX A4000
- 4 x 3.5" (LFF) Large Form Factor
- 2 x Intel Xeon Silver 4215R 3.20GHz 8-Core CPU Processors
- 128GB DDR4 Memory
- 1 x OEM 3.5" 8TB 7.2K 6GBPS SATA Hard Drive
- HP Z Turbo Drive Dual Port M.2 NVMe Adapter + 1 x 512GB M.2 NVMe SSD Drive
- 1 x NVIDIA RTX A4000 Ampere 16GB GDDR6 Graphics Card (4 x Display Ports)
- Integrated SATA Raid Controller
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HP Z8 G4 Workstation 2 x 8 Core 3.20GHz Silver 4215R 64GB 2.5TB Storage RTX A4000
- 4 x 3.5" (LFF) Large Form Factor
- 2 x Intel Xeon Silver 4215R 3.20GHz 8-Core CPU Processors
- 64GB DDR4 Memory
- 1 x OEM 3.5" 2TB 7.2K 6GBPS SATA Hard Drive
- HP Z Turbo Drive Dual Port M.2 NVMe Adapter + 1 x 512GB M.2 NVMe SSD Drive
- 1 x NVIDIA RTX A4000 Ampere 16GB GDDR6 Graphics Card (4 x Display Ports)
- Integrated SATA Raid Controller
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HP Z8 G4 Workstation 2 x 8 Core 3.30GHz Gold 6234 128GB 8.5TB Storage RTX A4500
- 4 x 3.5" (LFF) Large Form Factor
- 2 x Intel Xeon Gold 6234 3.30GHz 8-Core CPU Processors
- 128GB DDR4 Memory
- 1 x OEM 3.5" 8TB 7.2K 6GBPS SATA Hard Drive
- HP Z Turbo Drive Dual Port M.2 NVMe Adapter + 1 x 512GB M.2 NVMe SSD Drive
- 1 x NVIDIA RTX A4500 Ampere 20GB GDDR6 Graphics Card (4 x Display Ports)
- Integrated SATA Raid Controller
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HP Z8 G4 Workstation 2 x 8 Core 3.30GHz Gold 6234 64GB 2.5TB Storage RTX A4500
- 4 x 3.5" (LFF) Large Form Factor
- 2 x Intel Xeon Gold 6234 3.30GHz 8-Core CPU Processors
- 64GB DDR4 Memory
- 1 x OEM 3.5" 2TB 7.2K 6GBPS SATA Hard Drive
- HP Z Turbo Drive Dual Port M.2 NVMe Adapter + 1 x 512GB M.2 NVMe SSD Drive
- 1 x NVIDIA RTX A4500 Ampere 20GB GDDR6 Graphics Card (4 x Display Ports)
- Integrated SATA Raid Controller
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HP Z8 G4 Workstation 2 x 16 Core 2.90GHz Gold 6226R 128GB 2.5TB Storage RTX A5500
- 4 x 3.5" (LFF) Large Form Factor
- 2 x Intel Xeon Gold 6226R 2.90GHz 16-Core CPU Processors
- 128GB DDR4 Memory
- HP Z Turbo Drive Dual Port M.2 NVMe Adapter + 1 x 512GB M.2 NVMe SSD Drive
- 1 x OEM 3.5" 2TB 7.2K 6GBPS SATA Hard Drive
- 1 x NVIDIA RTX A5500 Ampere 24GB GDDR6 Graphics Card (4 x Display Ports)
- Integrated SATA Raid Controller