$273.50In Stock — Usually Ships in 1–3 Business Days
About the 2ZR53AV
Sourced for enterprise IT teams, the HP 2ZR53AV (2ZR53AV - HP 16GB PC4-21300 DDR4-2666MHz non-ECC Unbuffered CL19 UDIMM 1.2V Dual-Rank Memory Module) is a Desktop Memory component appropriate for new-build, expansion, or warranty-replacement procurement. Technical specifications include capacity of 16 GB, pc standard of PC4-21300, number of sticks of 1, frequency of 2666 MHz, voltage of 1.2V, memory class of ECC, Unbuffered, features of Dual-Rank. Appropriate for virtualization hosts, application servers, in-memory analytics, render farms, CAD/EDA workstations, and any workload constrained by RAM rather than CPU. Pro Disk Network sources the 2ZR53AV through reputable distribution channels and applies a verification check against the OEM compatibility matrix before each unit is added to active inventory. Each unit ships from the US with dispatch in 1–3 business days. 90-day Pro Disk Network functional warranty included; free US ground shipping on orders over $150.
The 2ZR53AV is a HP desktop memory component with capacity 16 GB, pc standard PC4-21300, number of sticks 1. Pro Disk Network sells the 2ZR53AV for $273.50 with US shipping in 1–3 business days and a 30-day return guarantee.
Reviewed By
Reviewed by:Pro Disk Network Engineering Team — . Specifications, compatibility, and pricing for the 2ZR53AV are shown on this page.
Trust Signals
US-based LLC — 7345 W Sand Lake Rd, STE 210, Office 3208, Orlando, FL 32819
US Shipping in 1–3 Business Days — in-stock orders ship via UPS
30-Day Returns — pre-paid label on DOA and defective items
Quick Answer: What servers is the 2ZR53AV compatible with?
The 2ZR53AV is a HP desktop 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 2ZR53AV ship?
If in stock, the 2ZR53AV ships in 1–3 business days. Most US ZIP codes receive next-business-day or 2-day delivery via FedEx/UPS Ground or Express. Bulk and pallet orders may need extra handling time; we confirm the ship date with your order.
The 2ZR53AV 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.
VMware Cluster Memory — Per-host memory expansion for vSphere ESXi hosts. Match DIMM rank and speed across all sockets to keep memory channels balanced.
In-Memory Database — SAP HANA, Redis Enterprise, Apache Ignite, Aerospike — workloads that scale linearly with DRAM capacity.
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.
What is the 2ZR53AV?
The 2ZR53AV is a HP server memory module with capacity 16 GB and pc standard PC4-21300, manufactured by HP. Pro Disk Network ships this part new and certified-refurbished from our US warehouse with dispatch in 1–3 business days, backed by a 30-day return guarantee.
Pros & Cons of 2ZR53AV
Pros
Recovery from no-POST errors when refreshing aging servers
Cons
Refurbished tier may show minor cosmetic markings
Not optimised for overclocked workstation builds
Frequently Asked Questions about 2ZR53AV
Is the 2ZR53AV a genuine HP part?
Yes. Pro Disk Network sources every 2ZR53AV 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 2ZR53AV compatible with?
The 2ZR53AV is a HP desktop 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 2ZR53AV ship?
If in stock, the 2ZR53AV ships in 1–3 business days. Most US ZIP codes receive next-business-day or 2-day delivery via FedEx/UPS Ground or Express. Bulk and pallet orders may need extra handling time; we confirm the ship date with your order.
What is the warranty on the 2ZR53AV?
New 2ZR53AV 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 2ZR53AV?
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
For server memory, three numbers dominate compatibility: rank, density, and channel population. Mixing rank or density in the same channel forces the memory controller to fall back to the lowest-common-denominator speed and timings, sometimes by 200-400 MHz, which wastes the upgrade you just paid for. Before installing the 2ZR53AV, run the platform's memory configuration utility (Dell DSET, HPE iLO Memory tab, Lenovo XCC Memory page) to identify what's already populated.
Pricing Strategy: New, Bulk, or Refurbished
For production tier-1 databases (SAP HANA, Oracle Exadata-equivalent, SQL Server Always On), use new sealed OEM units only. For VDI hosts, hyperconverged clusters, and general-purpose virtualisation, bulk-OEM is the cost-optimal choice. For development environments, lab gear, and capacity expansion on aging hardware, refurbished is appropriate — the price savings are 60-75% versus new.