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HP Z800 Workstation Intel Xeon E5620 [Quad] 2.40GHz NVIDIA Quadro 4000
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Second hand isn't always second best. Buying refurbished from tier1 is a better way to upgrade your IT equipment, saving you money and stopping recycled devices heading to landfill. Still not sure, here are some of the benefits of buying from tier1...


All our refurbished Desktops go through extensive testing as part of our in-house refurbishment process.

Grade | Refurbished |
Details | These desktops are in good condition but may have light marks on the casing from use. For full grading information please see our Grading Page |
Specification | |
Processor | Intel® Xeon® Processor E5620 Quad Core, 12M Cache, Base Frequency 2.40 GHz, Max Turbo Frequency 2.66 GHz |
Memory | As selected above |
Hard Drive | As selected above (HDD or SSD) |
Optical Drive | Yes - DVD |
Ports | Front: 3x USB 2.0; 1x Headphone Out; 1x Microphone In Rear: 6x USB 2.0; 1x Serial; PS/2 keyboard and mouse; 2x Ethernet (RJ-45 | integrated Gigabit LAN); 1x Audio Line In, 1x Audio Line Out, 1x Microphone In Internal: 3x USB 2.0 headers Graphics Card: 1x DVI-I ; 2x DisplayPort |
Display | Not as standard, can be added in options above |
Wireless | Not as standard, can be added in options above |
Weight | Approx 21 kg |
Dimensions | (W x D x H) 44.4 x 20.3 x 52.5 cm |
Operating System | Genuine Windows 64 Bit (32 bit available on request) |
Graphics Card (GPU) | NVIDIA Quadro 4000, 2GB GDDR5 |
Bays | 4x internal 3.5" bays 3x external 5.25" bays |
Slots | 2x PCI Express Gen2 x16 slots (full-length, full-height) 2x PCI Express Gen2 x8 slots - with x16 connectors (full-length, full-height) 1x PCI Express Gen2 x4 slot - with x8 connector (half-length, full-height) 1x PCI Express Gen1 x4 slot - with x8 connector (full-length, full-height) 1x PCI 32bit/33MHz slot, (full-length, full-height) 1x Mechanical-only slot, supporting cards which mount only to the I/O bulkhead and not the motherboard (half-length, full-height) The PCIe x8 connectors are open ended, allowing a PCIe x16 card to be seated in the slot |
Everything you buy from Tier 1 comes with a FREE 1 Year Warranty.
Your FREE 1 Year Warranty starts on the day you receieve your order.
Everything you buy from Tier 1 comes with a FREE 1 Year Warranty.
Your FREE 1 Year Warranty starts on the day you receieve your order.
How to make a claim
If you have an issue with a device that you have purchased from us, please contact us straight away and we will guide you through the process. In some cases, we might be able to assist you remotely. A member of our Tech Support Team can connect to your device and diagnose and potentially fix the issue for you.
If we are unable to fix the device remotely, we will provide you with the details to return your device to us.

- Faults covered by technical defects

- Accidental damage
- Liquid damage
- Damage to screens
- Damage to surrounds, facias, lids or keyboards
- Issues caused by any modifications of the internal or externals of the device
- Issues as a result of third party software
- Any parts or components added since the item was purchased
All our Desktops are thoroughly tested and refurbished by our in-house technicians. Our product grades are…

“A Fully Working Machine With Minimal Marks Or Damage”
May have light cosmetic marks or scratches, barely noticeable
May have light cosmetic marks or scratches, barely noticeable
In full working order. Might have light cosmetic marks or scratches, barely noticeable

“A small reduction in finish for a big reduction in price”
May have some marks or scratches. Rubber feet may be missing
May have light marks or scatches which are not visible when turned on
In full working order. May have some signs of use

“A small reduction in finish for a big reduction in price”
May have some marks or scratches. Rubber feet may be missing
Will have marks or scratches on the screen, barely visible when turned on
In full working order. May have some signs of use

“A small reduction in finish for a big reduction in price”
May have some visible signs of use, with marks, scratches or dents. Rubber feet may be missing
May have major marks or scratches on the screen
May have some cosmetic damage and signs of use
Refurbished HP Z800 Workstation Grade A
HP Z800 Workstation: Combining ultimate performance with a revolutionary new industrial design, the HP Z800 Workstation delivers the extreme speed and massive expandability that you demand to tackle your biggest challenges.

Cracking Down On Carbon Emissions
At Tier1 sustainability is at the core of everything we do. We are a UK based re-commerce business, refurbishing, reusing and recycling IT equipment, such as laptops, desktops & monitors.