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HP Z4 G4 Workstation Intel Xeon W-2123 Workstation PC (A-Grade Refurbished)

64GB RAM - 512GB SSD - Nvidia Quadro P4000 - Win11 Pro - Reconditioned by PBTech - 1 Year Warranty

PB Tech price
PB Tech price
$ 1,042 .61
 +GST
$ 1,199 .00
 inc GST
$1,042.61  +GST
$1,199.00

Limited Supply - only stock on hand available, when sold out we may not be able to source this product again.

HP Z4 G4 Workstation Intel Xeon W-2123 Workstation PC (A-Grade Refurbished)

64GB RAM - 512GB SSD - Nvidia Quadro P4000 - Win11 Pro - Reconditioned by PBTech - 1 Year Warranty

  • Brand: HP
  • MPN: EXWKSHP40451
  • Part #: EXWKSHP40451
  • UPC:
PB Tech price
$ 1,042 .61 $ 1,199 .00
 +GST  inc GST
Hurry, only 1 unit left!


Click & Collect: Select your store to check availability
Delivery: Order now and it ships tomorrow When will I receive it?
$1,042.61  +GST
$1,199.00

Four payments of $302.75 per fortnight*

Afterpay lets you spread the cost of your purchase over 4, interest-free, fortnightly payments.

Click the button below or select Afterpay as your payment method during the checkout process.

If you do not have a Afterpay account you will be able to create one at checkout.

*Repayments shown above are indicative only and may vary. Ts and Cs and lending criteria apply.

Learn more about Afterpay

Finance from $11.37 per week*

Get what you want at a price you can afford. Choose a finance term below to see the weekly repayment amount and apply online during checkout or in-store.

Choose a Finance Term

*Weekly payments are indicative only and based on a retail price of over a loan term of months at an interest rate of % p.a. and include a monthly service fee and a establishment fee (excludes optional Payment Protection Insurance).The total amount payable over the term of the loan is . Details of finance (including weekly payments, the total amount repayable over the term of the loan, interest rate and any applicable fees) can be confirmed with a detailed quote. Full disclosure of all of the terms of your finance will also be provided to you in the Finance Now disclosure statement for your consideration prior to confirmation of your purchase. All finance is subject to Finance Now terms and conditions and approval criteria.

Learn more about Finance Now

24 months interest FREE available*

Q Card / Mastercard is your perfect shopping partner, combining the benefits of a credit card with the added ability to access a range of interest-free deals and payment holidays.

Learn more about Q Mastercard, apply online for one now, or email [email protected] to chat with our team.

*12 Months No Payments & No Interest (“Payment Holiday”) is available on Long Term Finance (LTF) for in-store & online purchases. Min Spend $200. Lending criteria, $50 annual Account Fee, fees, Ts&Cs apply. $55 Establishment Fee applies to your first LTF transaction, $35 Advance Fee applies to subsequent LTF transactions. Standard Interest Rate currently 28.95% p.a. applies at the end of LTF Interest Free Period. Rates and fees correct as at date of publication, subject to change. Other interest rates and fees may apply. See qcard.co.nz for full details. Credit provided by Columbus Financial Services Limited. Excludes vouchers, gift cards, software licenses, game activation codes, pre-orders, Customized-to-Order (CTO) Apple Mac, and backorders.

*See here for full T&C

  • Brand: HP
  • MPN: EXWKSHP40451
  • Part #: EXWKSHP40451
  • UPC:

Operating System

Windows 11 Pro

CPU Family

Intel Xeon

Memory Size

64GB

SSD Capacity

512GB

Screen Size

N/A

WiFi

No

Condition

A-Grade Refurbished

Optical Drive

None

Features

NOTE: Unless otherwise specified, a power cord is not included with this product and must be purchased separately.

Great for your bottom line.
Great for the environment.
Have your cake and eat it too with devices that offer great savings vs. new equivalents while still delivering a modern and reliable computing solution. The environmental benefit of choosing a second life device is simply the cherry on top.
Professionally refurbished devices
your wallet will love!
When you need a device you can count on that won’t break the bank, PB Tech Refurbished is the way to go.
Incredible value
Save up to 40% vs. brand new devices with similar specifications.
Only the good stuff
Only A-Grade (near new condition) or B-Grade (minor cosmetic imperfections only) second life devices are selected for our refurbishment programme.
Expertly cleaned, tested and reconditioned
All devices are carefully cleaned and tested, and any replacement parts required are brand new.
1 year warranty included
Our refurbished devices all come with a generous 1-year warranty. 
Best range and best deals
PB Tech is NZ’s #1 retailer of refurbished tech devices with an incredible range and amazing low prices.
Product Photos - Photos on this page are indicative only, actual models shipped may have slight differences in appearance.

The HP Z4 G4 Workstation is engineered for professionals who require uncompromising performance, reliability, and scalability. Powered by the Intel Xeon W-2123 processor, this workstation is designed to handle intensive applications such as 3D rendering, CAD design, video editing, engineering simulations, and data analysis. With enterprise-class architecture and workstation-grade components, it delivers stable and consistent performance even under sustained heavy workloads.

Powerful Intel Xeon Processing

At the heart of the HP Z4 G4 is the Intel Xeon W-2123 processor, built to provide dependable multi-core performance for professional environments. Xeon processors are known for their reliability and ability to manage complex computing tasks with precision. Whether you are working on large design files, running multiple virtual machines, or processing detailed visual projects, this workstation ensures smooth and efficient operation.

Massive 64GB RAM for Seamless Multitasking

Equipped with an impressive 64GB of RAM, this workstation allows you to run demanding software and multiple applications simultaneously without slowdowns. Large memory capacity is essential for professionals working with high-resolution media files, complex 3D models, or data-heavy programs. The generous RAM ensures faster rendering times, improved responsiveness, and enhanced workflow productivity.

Fast and Reliable 512GB SSD Storage

The integrated 512GB Solid State Drive delivers rapid boot times, fast file access, and improved overall system responsiveness. Compared to traditional hard drives, SSD technology significantly reduces load times for applications and large project files. This ensures a smoother computing experience and allows you to focus on your work without delays.

Nvidia Quadro P4000 Professional Graphics

Featuring the Nvidia Quadro P4000 graphics card, this workstation is built for professional visual computing. Designed specifically for creators, designers, engineers, and architects, the Quadro P4000 offers reliable performance in graphics-intensive applications. It provides optimized drivers and certification for leading professional software, delivering accurate rendering, stable performance, and smooth visual output for complex projects.

Windows 11 Pro for Business and Productivity

Pre-installed with Windows 11 Pro, the HP Z4 G4 Workstation offers advanced security features, enhanced productivity tools, and seamless integration within business environments. Windows 11 Pro supports remote desktop functionality, enterprise-grade encryption, and improved multitasking capabilities, making it suitable for both office and remote professional use.

A-Grade Refurbished Quality by PB Tech

This unit is A-Grade Refurbished and professionally reconditioned by PB Tech, ensuring excellent cosmetic condition and reliable performance. Each workstation undergoes thorough testing, quality checks, and refurbishment processes to meet high standards. This provides customers with enterprise-level performance at a more affordable price point, making it a cost-effective solution for businesses and professionals.

Peace of Mind with 1 Year Warranty

Backed by a 1 Year Warranty from PB Tech, this HP Z4 G4 Workstation offers additional assurance and support. The warranty coverage reflects confidence in the product's quality and reliability, allowing you to invest with peace of mind.

Front Panel View

1) Power button
2) Hard drive activity light
3) Audio-out (headphone)/Audio-in (microphone) combo jack
4) UCB SuperSpeed 5, 10, or 20 Gbps port with HP Sleep and Charge
5) USB SuperSpeed 5, 10, or 20 Gbps port
6) USB Type-C® SuperSpeed ports (2)
7) Memory card reader

Rear Panel View

1) Power button
2) Audio line-in connector (blue)
3) Audio line-out connector (green)
4) PS/2 mouse port
5) PS/2 keyboard port
6) USB SuperSpeed 5, 10, or 20 Gbps ports (6)
7) Cable-only slot 15 PCIe card slots (5)
8) Power supply Built-In Self-Test (BIST) light
9) Power connector
10) Security cable slot
11) Security lock loop
12) RJ-45 (network) jack
13) RJ-45 (network) jack with Active Management Technology (AMT)
14) PCIe card release latches

Your computer model might look slightly different from the illustrations in this section. Refer to link to find your exact configuration - User Guide


PB Tech is a HP Gold Partner

Specifications

Model

HP Z4 G4

Form Factor

Tower

CPU

Intel Xeon W-2123

Graphics

Nvidia Quadro P4000

Memory

64GB RAM

Storage

512GB SSD

WiFi

No

Operating System

Windows 11 Pro

Warranty

1 Year Warranty

Manufacturer Part No:
EXWKSHP40451
Brand:
HP
Product Type:
Workstation PC
UPC
-
Product Family:
Z4 G4
Shipping Weight:
12 kg
PB Part No:
EXWKSHP40451
Product Model:
Workstation
Warranty: 12 months *
* Warranty period is as stated above unless the manufacturer has chosen to specify a longer period.
All warranties are return to base unless otherwise specified.
Provide feedback on product content: If this product page is missing key information or you spotted a mistake

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Delivery & Pick-up

Potential courier delays: Please note that due to the high volumes currently within the NZ courier network there is potential for some deliveries to be delayed.

Delivery Estimates

The estimated time to ship for each product we sell is detailed on the individual product page just underneath the price. From when your items ship, products typically arrive within 1-2 working days for North Island deliveries and 2-3 working days for South Island deliveries. Rural deliveries may take an extra working day. Bulk & hazard deliveries may take an extra 2-7 working days and tracking links for these deliveries can take a few days to generate.

Next Day Delivery

Need your order in a hurry? PB Tech offers next day delivery for local Auckland addresses. Simple place your order before 4pm (provided your items are in stock) and select our next day delivery option in the checkout. T&C's apply. Learn more about Next Day Delivery.

Same Day Delivery

Need your order in a hurry? PB Tech offers same day delivery for Auckland, Hamilton, Wellington and Christchurch. Simple place your order before 1pm (provided your items are in stock) and select one of our same day delivery options 'Evening Delivery' or 'Urgent 3-hour Delivery' in the checkout. T&C's apply. Learn more about Same Day Delivery.

Shipping Costs

Shipping costs vary based on your location and the items being shipped and in some cases shipping may even be FREE.

To calculate what the shipping costs will be for your order, add the items you are interested in to your cart, view the Shopping Cart page, and select your 'Delivery Area' to calculate the shipping cost.

Shipping Security & Insurance

All orders shipped by PB Tech are sent via a courier with a signature required for each delivery. In some cases, and only where you have given the courier company permission to leave orders at a designated location, your order may be delivered without requiring a signature. All orders sent by PB Tech are fully insured in the unlikely event that your item(s) are damaged or go missing in transit.

1 Hour Store Pick-up / Click & Collect

You can pick-up your online order from any of our stores nationwide. You can select which store you want to pick up from at the checkout. Provided the store you select has stock and there's no hold-ups with payment we will have your order ready within 1 hour (during normal trading hours for that store) otherwise it may take up to 5 working days to transfer the stock to the store so your order can be fulfilled. Learn more about our Click & Collect process.

Overseas Shipments

PB Tech regularly ships overseas to Australia and beyond. If you are located in Australia, you can order directly from our Australian site www.pbtech.com/au. If you are from another country you can order from www.pbtech.com

Returns & Warranty

7 day right of exchange

If you change your mind after making a purchase, or realise you have ordered the incorrect item, you can enjoy the peace of mind that we offer a 7 day exchange policy (excludes special order items, software and evouchers).

To exchange a product, goods must be sealed and unopened, with packaging in original condition, accompanied by a valid receipt dated no more than 7 calendar days from when you request an exchange. A 20% restocking fee may be applied where goods are not returned in sealed, original packaging condition.

If there is not a suitable product that can be exchanged for your returned item you will be offered a credit on your account or gift card based on the value paid at the time of purchase. Items purchased on finance cannot be exchanged for a gift card.

 

Hassle free warranty service

If your product develops a fault within the manufacturer warranty period, you can either contact the manufacturer directly (some manufacturers provide a high level of warranty service - including free pickup or in some cases onsite repair), or return to one of our services centres / stores. Where the product has been directly imported by PB Tech, you need to contact us directly or present the product at any one of our service centres / stores together with your proof of purchase.

If your product develops a fault outside of the manufacturer warranty or PB Tech warranty period, we offer a full repair service and are an authorised repair agent for leading brands such as Samsung, HP, Toshiba, Lenovo and more.

 

Returning a product / making a warranty claim

To contact the manufacturer directly to troubleshoot your product or to request a warranty repair, please view the list of manufacturer / brand warranty contacts (for products imported directly by PB Tech please return to us directly by completing our request a return form).

To return a product to PB Tech directly, please complete our request a return form.

Or view our returns policy for more information.

HP Z4 G4 Workstation Intel Xeon W-2123 Workstation PC (A-Grade Refurbished) 64GB RAM - 512GB SSD - Nvidia Quadro P4000 - Win11 Pro - Reconditioned by PBTech - 1 Year Warranty

  • Brand: HP
  • MPN: EXWKSHP40451
  • Part #: EXWKSHP40451
PB Tech price $1,042.61 Excluding GST PB Tech price $1,199.00 Including GST

Date Created: 18:38, 09-03-2026
Product URL: https://www.pbtech.co.nz/product/EXWKSHP40451/fileslib/_20240221131406_pbtech-refurbished-logo.png
Branch New Stock On Display
Auckland - Albany 0
Auckland - Glenfield 0
Auckland - Queen Street 0
Auckland - Auckland Uni 0
Auckland - Westgate 0
Auckland - Penrose 0
Auckland - Henderson (Express) 0
Auckland - St Lukes 0
Auckland - Manukau 0
Hamilton 0
Tauranga 0
New Plymouth 0
Palmerston North 0
Petone 0
Wellington 0
Auckland - Head Office 0
Auckland - East Tamaki Warehouse 1
Christchurch - Hornby 0
Christchurch - Christchurch Central 0
Dunedin 0

Features

NOTE: Unless otherwise specified, a power cord is not included with this product and must be purchased separately.

Great for your bottom line.
Great for the environment.
Have your cake and eat it too with devices that offer great savings vs. new equivalents while still delivering a modern and reliable computing solution. The environmental benefit of choosing a second life device is simply the cherry on top.
Professionally refurbished devices
your wallet will love!
When you need a device you can count on that won’t break the bank, PB Tech Refurbished is the way to go.
Incredible value
Save up to 40% vs. brand new devices with similar specifications.
Only the good stuff
Only A-Grade (near new condition) or B-Grade (minor cosmetic imperfections only) second life devices are selected for our refurbishment programme.
Expertly cleaned, tested and reconditioned
All devices are carefully cleaned and tested, and any replacement parts required are brand new.
1 year warranty included
Our refurbished devices all come with a generous 1-year warranty. 
Best range and best deals
PB Tech is NZ’s #1 retailer of refurbished tech devices with an incredible range and amazing low prices.
Product Photos - Photos on this page are indicative only, actual models shipped may have slight differences in appearance.

The HP Z4 G4 Workstation is engineered for professionals who require uncompromising performance, reliability, and scalability. Powered by the Intel Xeon W-2123 processor, this workstation is designed to handle intensive applications such as 3D rendering, CAD design, video editing, engineering simulations, and data analysis. With enterprise-class architecture and workstation-grade components, it delivers stable and consistent performance even under sustained heavy workloads.

Powerful Intel Xeon Processing

At the heart of the HP Z4 G4 is the Intel Xeon W-2123 processor, built to provide dependable multi-core performance for professional environments. Xeon processors are known for their reliability and ability to manage complex computing tasks with precision. Whether you are working on large design files, running multiple virtual machines, or processing detailed visual projects, this workstation ensures smooth and efficient operation.

Massive 64GB RAM for Seamless Multitasking

Equipped with an impressive 64GB of RAM, this workstation allows you to run demanding software and multiple applications simultaneously without slowdowns. Large memory capacity is essential for professionals working with high-resolution media files, complex 3D models, or data-heavy programs. The generous RAM ensures faster rendering times, improved responsiveness, and enhanced workflow productivity.

Fast and Reliable 512GB SSD Storage

The integrated 512GB Solid State Drive delivers rapid boot times, fast file access, and improved overall system responsiveness. Compared to traditional hard drives, SSD technology significantly reduces load times for applications and large project files. This ensures a smoother computing experience and allows you to focus on your work without delays.

Nvidia Quadro P4000 Professional Graphics

Featuring the Nvidia Quadro P4000 graphics card, this workstation is built for professional visual computing. Designed specifically for creators, designers, engineers, and architects, the Quadro P4000 offers reliable performance in graphics-intensive applications. It provides optimized drivers and certification for leading professional software, delivering accurate rendering, stable performance, and smooth visual output for complex projects.

Windows 11 Pro for Business and Productivity

Pre-installed with Windows 11 Pro, the HP Z4 G4 Workstation offers advanced security features, enhanced productivity tools, and seamless integration within business environments. Windows 11 Pro supports remote desktop functionality, enterprise-grade encryption, and improved multitasking capabilities, making it suitable for both office and remote professional use.

A-Grade Refurbished Quality by PB Tech

This unit is A-Grade Refurbished and professionally reconditioned by PB Tech, ensuring excellent cosmetic condition and reliable performance. Each workstation undergoes thorough testing, quality checks, and refurbishment processes to meet high standards. This provides customers with enterprise-level performance at a more affordable price point, making it a cost-effective solution for businesses and professionals.

Peace of Mind with 1 Year Warranty

Backed by a 1 Year Warranty from PB Tech, this HP Z4 G4 Workstation offers additional assurance and support. The warranty coverage reflects confidence in the product's quality and reliability, allowing you to invest with peace of mind.

Front Panel View

1) Power button
2) Hard drive activity light
3) Audio-out (headphone)/Audio-in (microphone) combo jack
4) UCB SuperSpeed 5, 10, or 20 Gbps port with HP Sleep and Charge
5) USB SuperSpeed 5, 10, or 20 Gbps port
6) USB Type-C® SuperSpeed ports (2)
7) Memory card reader

Rear Panel View

1) Power button
2) Audio line-in connector (blue)
3) Audio line-out connector (green)
4) PS/2 mouse port
5) PS/2 keyboard port
6) USB SuperSpeed 5, 10, or 20 Gbps ports (6)
7) Cable-only slot 15 PCIe card slots (5)
8) Power supply Built-In Self-Test (BIST) light
9) Power connector
10) Security cable slot
11) Security lock loop
12) RJ-45 (network) jack
13) RJ-45 (network) jack with Active Management Technology (AMT)
14) PCIe card release latches

Your computer model might look slightly different from the illustrations in this section. Refer to link to find your exact configuration - User Guide


PB Tech is a HP Gold Partner

Specifications

Model

HP Z4 G4

Form Factor

Tower

CPU

Intel Xeon W-2123

Graphics

Nvidia Quadro P4000

Memory

64GB RAM

Storage

512GB SSD

WiFi

No

Operating System

Windows 11 Pro

Warranty

1 Year Warranty

Date Created: 18:38, 09-03-2026
Product URL: https://www.pbtech.co.nz/product/EXWKSHP40451/fileslib/_20240221131406_pbtech-refurbished-logo.png