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HP Z4 G4 W-2135 6C 3.7Ghz 32GB RAM 1TB NVMe 2TB Quadro P400 Windows 11 (Renewed)
HP

HP Z4 G4 W-2135 6C 3.7Ghz 32GB RAM 1TB NVMe 2TB Quadro P400 Windows 11 (Renewed)

Bottom line: The HP Z4 G4 W-2135 6C 3.7Ghz 32GB RAM 1TB NVMe 2TB Quadro P400 Windows 11 is a specs-and-price decision rather than a crowd-consensus one in the graphics cards category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

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By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

Pros & Cons

Pros

  • ✓ Backed by HP's warranty and support channels

Cons

  • ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • ✗ Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

The HP Z4 G4 Workstation is the go-to choice for engineers, designers, and creators who need reliability, speed, and expandability. Powered by an Intel Xeon W-2135 six-core processor (3.7 GHz base) and 32 GB ECC DDR4 memory, this HP Z Series Workstation delivers exceptional performance for CAD, simulation, and creative workflows. Its dual-drive setup combines a 1 TB NVMe SSD for rapid boot times and program launches with a 2 TB 7.2K HDD for large-scale data and project storage. The NVIDIA Quadro P400 2 GB graphics card ensures stable, certified visuals for 3D modeling, architecture, and…

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SpecPicks Verdict

SpecPicks scored HP Z4 G4 W-2135 6C 3.7Ghz 32GB RAM 1TB NVMe 2TB Quadro P400 Windows 11 using a rating × review-volume × price-fit model applied to published specs and reviews across the graphics cards category. HP's graphics cards lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for graphics cards of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • PROFESSIONAL PERFORMANCE FOR CAD & DESIGN – The HP Z4 G4 workstation delivers precision power with an Intel Xeon W-2135 6-core CPU (3.7 GHz)—perfect for CAD, 3D modeling, and high-demand engineering workflows.
  • RELIABLE ECC MEMORY & STORAGE – Equipped with 32 GB ECC DDR4 RAM, a 1 TB NVMe M.2 SSD for blazing-fast performance, and a 2 TB SATA drive for secure project storage—ideal for professional workstation users.
  • QUADRO GRAPHICS FOR CREATORS – Features NVIDIA Quadro P400 2 GB GDDR5, certified for precision and stability in CAD workstation desktop applications, video editing, and rendering environments.
  • BUILT FOR EXPANSION & RELIABILITY – The HP Z Series Workstation platform provides enterprise-grade reliability, tool-less access, and multiple expansion bays for storage, memory, or GPU upgrades.
  • WINDOWS 11 PRO 64-BIT & REFURBISHED QUALITY – Ships with Windows 11 Pro pre-installed. Each refurbished HP workstation desktop is tested, cleaned, and certified to perform like new.

Full Specifications

ASINB09YHZ8RXJ
BrandHP
RAM TypeDDR4 SDRAM
CPU ModelIntel Xeon
CPU Speed3.7 GHz
Cache Size8 GB
Style NameProfessional Tower
ManufacturerHP
Model NumberZ4 G4
Video OutputHDMI, DisplayPort
Processor BrandIntel
Processor Count1
Processor Speed3.7 GHz
Total USB Ports4
Total Usb Ports4
CPU ManufacturerIntel
Processor SeriesIntel Xeon
Graphics Card Ram2 GB
Graphics Ram TypeGDDR5
Hardware InterfaceDVD-RW

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HP Z4 G4 W-2135 6C 3.7Ghz 32GB RAM 1TB NVMe 2TB Quadro P400 Windows 11 (Renewed) is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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HP Z4 G4 W-2135 6C 3.7Ghz 32GB RAM 1TB NVMe 2TB Quadro P400 Windows 11 (Renewed)
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