HP Z4 G5 Workstation

Name: HP Z4 G5 Workstation - 1 Xeon w5-2445 - vPro Technology - 32 GB - 512 GB SSD - Tower - Black - Intel W790 Chip - Windows 11 Pro - RTX A4000 16 GB
Brand: HP
SKU: B0C8TTCB7W

Bottom line: The HP Z4 G5 Workstation is a specs-and-price decision rather than a crowd-consensus one in the workstations & creator desktops 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 Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-21

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. About the author →

Pros & Cons

Pros

✓ Number of Processors Supported 1

Cons

✗ Check the listed dimensions, connectors and platform compatibility against your setup before ordering
✗ Used and vintage listings vary by seller and condition — check the listing photos, description and return terms before buying

Manufacturer description

Overview | Our best-selling workhorse, now more powerfulThis high-performance desktop workstation does it all. Tackle advanced workflows-from rendering and simulation to advanced video editing and massive dataset preparation. The Z4 G5 accelerates workflows across a wide range of professional apps and provides plenty of room to expand as work evolves.Professional performance. Whisper quiet acoustics.Unlock your potential with high-end professional GPUs, a next-gen Intel® Xeon® processor, and ultra fast memory configurations. Now you can render and simulate or analyze advanced datasets faster…

SpecPicks Verdict

SpecPicks scored HP Z4 G5 Workstation using a rating × review-volume × price-fit model applied to our editorial and benchmark analysis across the workstations & creator desktops category. HP's workstations & creator desktops 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 workstations & creator desktops 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.

Video review

HP Z4 G5 Workstation with Intel Xeon W-2400 Series CPU | IT Creations — IT Creations, Inc. on YouTube

Key Features

Number of Processors Supported 1
Number of Processors Installed 1
Processor Type Xeon
Processor Model w5-2445
Processor Core Deca-core (10 Core)

Full Specifications

UPC	197497173567
ASIN	B0C8TTCB7W
Brand	HP
Color	Black
RAM Type	DDR5 RAM
CPU Model	Xeon
CPU Speed	3.1 GHz
Cache Size	20
Model Name	805C7UT#ABA
Model Year	2024
Unit Count	1.0 Count
Item Weight	23.2 Pounds
Manufacturer	HP INC. - SB WORKSTATIONS
Memory Speed	4800 MHz
Model Number	805C7UT#ABA
Video Output	Mini DisplayPort
Built-In Media	Z4 G5 Workstation PC, Keyboard, Mouse
Item Dimensions	22.22 x 12.8 x 22.5 inches
Keyboard Layout	QWERTY
Power Plug Type	No Plug
Full listing title	HP Z4 G5 Workstation - 1 Xeon w5-2445 - vPro Technology - 32 GB - 512 GB SSD - Tower - Black - Intel W790 Chip - Windows 11 Pro - RTX A4000 16 GB Graphics - Serial ATA/600 Controller - 0, 1, 5, 10 RAI

Performance Data

View gaming FPS, AI inference throughput, and synthetic scores for the NVIDIA RTX A4000 16GB — the core hardware component in this product. Benchmarks sourced from TechPowerUp, PassMark, and the r/LocalLLaMA community.

Which local LLMs fit in 16 GB?

16 GB holds a 20–27B model at Q4 with a modest context window; 30B-class weights need 24 GB.

✅ 7–9B models (Llama 3.1 8B, Qwen 3 8B) — fits at Q4
✅ 12–14B models (Qwen 3 14B, Phi-4) — fits at Q4
❌ 20–27B models (Gemma 3 27B, Mistral Small) — needs 20 GB+
❌ 30–35B models (Qwen 3 32B, QwQ 32B) — needs 24 GB+
❌ 70B models (Llama 3.3 70B, Qwen 2.5 72B) — needs 48 GB+

Across 33 community runs from 12 sources, the NVIDIA RTX A4000 16GB generates a median 52.8 tok/s on 7–9B models at Q4 (per DatabaseMart).

Per-model VRAM guide: which GPU for which LLM →

Ready to buy?

HP Z4 G5 Workstation - 1 Xeon w5-2445 - vPro Technology - 32 GB - 512 GB SSD - Tower - Black - Intel W790 Chip - Windows 11 Pro - RTX A4000 16 GB Graphics - Serial ATA/600 Controller - 0, 1, 5, 10 RAI is tracked through eBay listings. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. It also has an Amazon listing — check it for current price and availability. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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