HP part number P5478AR identifies the P5478AR - HP NetServer LP2000r Pentium-III 1.26GHz CPU 256MB RAM Server, an enterprise-grade Server Systems unit appropriate for data-center, server-room, and workstation deployment. Technical specifications include capacity of 256 MB, clock speed of 1.26 GHz. Typical use cases include VMware vSphere / Hyper-V / KVM virtualization host, Kubernetes worker-node provisioning, on-prem cloud (OpenStack, OpenShift) compute nodes, and database / application-server roles. Pro Disk Network maintains the P5478AR in our enterprise inventory and verifies each unit against manufacturer datasheet specifications prior to listing. New stock ships factory-sealed where available; refurbished units are tested under load before dispatch and ship with a 90-day Pro Disk Network functional warranty. Same-day dispatch on in-stock orders placed before 3pm ET; free standard ground shipping on US orders over $150.
The P5478AR is a HP server systems component with capacity 256 MB, clock speed 1.26 GHz. Pricing on the P5478AR is quote-based — email sales@prodisknetwork.com or use our live chat for a quote within one business day.
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Reviewed by:Pro Disk Network Engineering Team — . Specifications, compatibility, and pricing for the P5478AR are shown on this page.
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Same-Day US Shipping — orders before 3pm ET ship today via UPS
30-Day Returns — pre-paid label on DOA and defective items
The P5478AR is a HP server systems part. Email sales@prodisknetwork.com with your system make, model, and serial number - we will confirm compatibility and ship same-day if in stock.
How fast does the P5478AR ship?
P5478AR orders placed before 3 pm ET ship the same business day from US warehouses. Delivery is next business day to most metro ZIPs via FedEx/UPS overnight; ground delivery covers remaining US in 1-4 business days.
The P5478AR is deployed by US enterprises, MSPs, government, and education customers across multiple infrastructure scenarios. Below are the most common deployment patterns Pro Disk Network sees in real-world orders.
Database Server — SQL Server, Oracle, or PostgreSQL server with dedicated all-flash storage. Single-purpose deployments for predictable IOPS.
Backup / DR Repository — Veeam, Rubrik, Commvault primary backup tier. High capacity, RAID 6 over many spinning drives or large SSDs.
AI / ML Training — GPU-equipped chassis for PyTorch, TensorFlow, Hugging Face training runs. Verify PCIe lane allocation per GPU.
Branch / Office Server — Smaller-form remote office server for AD DC, file share, print server roles.
What is the P5478AR?
The P5478AR is a HP rack-mount server chassis with capacity 256 MB and clock speed 1.26 GHz, manufactured by HP. Pro Disk Network ships this part new and certified-refurbished from our US warehouse with same-day dispatch on orders placed before 3 PM ET, backed by a 30-day return guarantee.
Pros & Cons of P5478AR
Pros
Free 30-day return window covers DOA + fit issues
Cons
Designed for capacity tier, not write-intensive cache
Not a drop-in for desktop NAS without verifying caddy
Some firmware revs locked to specific RAID-controller families
Frequently Asked Questions about P5478AR
Is the P5478AR a genuine HP part?
Yes. Pro Disk Network sources every P5478AR as factory-original HP inventory. New units arrive sealed in OEM packaging; refurbished units are pulled from decommissioned HP servers, surface-tested, and re-warranted by Pro Disk Network for 90 days.
Will the P5478AR fit my system?
The P5478AR is a HP server systems part. Email sales@prodisknetwork.com with your system make, model, and serial number - we will confirm compatibility and ship same-day if in stock.
How fast does the P5478AR ship?
P5478AR orders placed before 3 pm ET ship the same business day from US warehouses. Delivery is next business day to most metro ZIPs via FedEx/UPS overnight; ground delivery covers remaining US in 1-4 business days.
What is the warranty on the P5478AR?
New P5478AR units carry the full HP manufacturer warranty (typically 1 to 5 years depending on product line). Refurbished and bulk-OEM units include a Pro Disk Network advance-replacement warranty (90 days refurbished). DOA replacement is free within 30 days of receipt.
Do you offer bulk pricing for the P5478AR?
Email sales@prodisknetwork.com with the quantity and target ship date for a quote within one business day.