Hewlett Packard HP Z4 G5 Workstation
Bottom line: The Hewlett Packard 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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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 Hewlett Packard 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. Hewlett Packard'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.
Key Features
- Number of Processors Supported 1
- Number of Processors Installed 1
- Processor Manufacturer Intel
- Processor Type Xeon
- Processor Model w3-2435
Full Specifications
| ASIN | B0DS2X114F |
|---|---|
| Brand | Hewlett Packard |
| Item Weight | 33.1 pounds |
| Manufacturer | Hewlett Packard |
| Model Number | 805L9UT#ABA |
| Item model number | 805L9UT#ABA |
| Package Dimensions | 22.8 x 22.2 x 12.3 inches |
| Date First Available | December 3, 2023 |
| Full listing title | HP Z4 G5 Workstation - 1 x Intel Xeon w3-2435 - vPro Technology - 32 GB - 512 GB SSD - Tower - Black - Intel W790 Chip - Windows 11 Pro - NVIDIA RTX A4000 16 GB Graphics - Serial ATA/600 Controller - |
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).
Ready to buy?
HP Z4 G5 Workstation - 1 x Intel Xeon w3-2435 - vPro Technology - 32 GB - 512 GB SSD - Tower - Black - Intel W790 Chip - Windows 11 Pro - NVIDIA RTX A4000 16 GB Graphics - Serial ATA/600 Controller - 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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