Sourced for enterprise IT teams, the HP AX691B (AX691B - HP ProLiant 2U Rack Server 1 x Intel Xeon E5540 2.53GHz) is a Server Systems component appropriate for new-build, expansion, or warranty-replacement procurement. Technical specifications include clock speed of 2.53 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 AX691B 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 AX691B is a HP server systems component with clock speed 2.53 GHz. Pricing on the AX691B is quote-based — email sales@prodisknetwork.com or use our live chat for a quote within one business day.
The AX691B 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 AX691B ship?
AX691B 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 AX691B 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 AX691B?
The AX691B is a HP rack-mount server chassis with clock speed 2.53 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 AX691B
Pros
Direct-to-rack shipping on multi-pack orders
Sequential serial-number bundling for cluster builds
Cons
Not recommended for OLTP databases above 50 TPS
Mechanical drive — expect 5–10W idle power per unit
3.5" form factor only — confirm caddy fit before ordering
Frequently Asked Questions about AX691B
Is the AX691B a genuine HP part?
Yes. Pro Disk Network sources every AX691B 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 AX691B fit my system?
The AX691B 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 AX691B ship?
AX691B 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 AX691B?
New AX691B 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 AX691B?
Email sales@prodisknetwork.com with the quantity and target ship date for a quote within one business day.