HP part number 809085-591 identifies the 809085-591 - HP 64GB PC4-19200 DDR4-2400Mhz ECC Registered CL17 Load Reduced LRDIMM 1.2V Quad-Rank Memory, an enterprise-grade Server Memory unit appropriate for data-center, server-room, and workstation deployment. Technical specifications include capacity of 64 GB, pc standard of PC4-19200, number of sticks of 1, frequency of 2400 MHz, voltage of 1.2V, memory class of ECC, Registered, Load-Reduced, features of Quad-Rank. Typical workloads include VMware vSphere VM host memory, Kubernetes worker-node memory pool, in-memory database (Redis, Memcached, SAP HANA), and SAS / Splunk analytic workloads requiring large RAM footprint. Pro Disk Network maintains the 809085-591 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 809085-591 is a HP server memory component with capacity 64 GB, pc standard PC4-19200, number of sticks 1. Pro Disk Network sells the 809085-591 for $461.05 with same-day US shipping and a 30-day return guarantee.
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Reviewed by:Pro Disk Network Engineering Team — . Specifications, compatibility, and pricing for the 809085-591 are shown on this page.
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Quick Answer: What servers is the 809085-591 compatible with?
The 809085-591 is a HP server memory module. Confirm DIMM rank, voltage, and speed against the target server's supported memory list before deployment - mixed configurations may downclock to the slowest installed module. For server-specific population diagrams, email sales@prodisknetwork.com with your server serial number.
How fast does the 809085-591 ship?
Pro Disk Network dispatches the 809085-591 same-day on orders confirmed before 3 pm ET. Multi-pallet projects requiring crating ship within 2 business days. International shipping (Canada, Mexico, EU, APAC) takes 3-7 business days via DHL Express or FedEx International Priority.
The 809085-591 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.
Hyper-V Cluster Node — Windows Server 2019/2022 Hyper-V hosts with Storage Spaces Direct. Dynamic memory allocation makes higher-density DIMMs cost-effective.
AI / ML Training — PyTorch and TensorFlow workloads benefit from large host memory pools for dataset preprocessing and CPU-side feature engineering.
Tanzu / Kubernetes Workers — Worker node memory expansion for high-density container deployments. Plan for 8–16 GB per moderate Pod baseline.
What is the 809085-591?
The 809085-591 is a HP server memory module with capacity 64 GB and pc standard PC4-19200, 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 809085-591
Pros
RDIMM / LRDIMM clearly labelled for population-rule clarity
Cons
Refurbished tier may show minor cosmetic markings
Not optimised for overclocked workstation builds
Frequently Asked Questions about 809085-591
Is the 809085-591 a genuine HP part?
Yes. Pro Disk Network sources every 809085-591 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.
What servers is the 809085-591 compatible with?
The 809085-591 is a HP server memory module. Confirm DIMM rank, voltage, and speed against the target server's supported memory list before deployment - mixed configurations may downclock to the slowest installed module. For server-specific population diagrams, email sales@prodisknetwork.com with your server serial number.
How fast does the 809085-591 ship?
Pro Disk Network dispatches the 809085-591 same-day on orders confirmed before 3 pm ET. Multi-pallet projects requiring crating ship within 2 business days. International shipping (Canada, Mexico, EU, APAC) takes 3-7 business days via DHL Express or FedEx International Priority.
What is the warranty on the 809085-591?
New 809085-591 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 809085-591?
Email sales@prodisknetwork.com with the quantity and target ship date for a quote within one business day.
Compatibility: Rank, Density, and Channel Population Rules
Memory population order for Xeon Scalable is documented in the motherboard manual; the typical rule is to populate channels symmetrically across both CPU sockets and across all six channels per socket. For two-socket builds with eight DIMMs, populate the white slot first on each channel; for sixteen-DIMM builds, populate both slots on every channel. Asymmetric population leaves performance on the table.
Pricing Strategy: New, Bulk, or Refurbished
The 809085-591 is available across three procurement tiers, and the choice is driven by criticality, warranty coverage, and budget. New (sealed OEM) units carry the full HP manufacturer warranty and command a 20-30% premium over bulk-OEM tier. New (bulk-OEM) units are factory-fresh modules sold without retail box. Refurbished units come from decommissioned servers, are individually MemTest-validated, and carry a 90-day advance-replacement warranty.