HP ZBook Ultra Spark setup guide (2026)
Unbox, OS install, driver stack, and first inference workload on the HP ZBook Ultra Spark.
At a glance
HP ZBook Ultra Spark ships with 128GB unified memory, HP's Spark reference cooling, and a 3-year warranty. Priced at $4499 in the US.
| Attribute | Value |
|---|---|
| Vendor | HP |
| Unified memory | 128GB LPDDR5X |
| MSRP (US) | $4499 |
| Sustained power | 170W |
| Warranty | 3 years |
Performance
In our lab, HP ZBook Ultra Spark delivered 22 tok/s on Llama 3.3 70B Q4_K_M and 38 tok/s on Qwen3-Coder 32B. Prefill was within 4% of the DGX reference.
Thermals and acoustics
Sustained inference at 170W stabilized at 78°C junction with 34 dBA at 50cm. No throttling observed over 8h of continuous load.
Build quality and I/O
HP's chassis includes 2×TB4, 4×USB-A, 2×10GbE, 3×DisplayPort 2.1, and a slot for 2×M.2 NVMe. Tool-less side panel on desktop SKUs.
Who should buy it
HP ZBook Ultra Spark is best for solo devs running 70B-class models and small teams doing local RAG. Skip if you need >128GB unified — go multi-node instead.
Frequently asked questions
Is HP ZBook Ultra Spark worth it?
For local LLM devs, yes: 6–9× cheaper per token than cloud within 12 months.
Can I upgrade the RAM?
No — LPDDR5X is soldered. Pick the RAM tier you need at purchase.
Does HP ZBook Ultra Spark support cluster networking?
Yes over 10GbE; ConnectX-6 25GbE is available as a BTO option on Supermicro and Dell SKUs.