D6522A - HP 64MB 100MHz PC100 ECC Unbuffered CL2 168-Pin DIMM 3.3V Memory Module

D6522A - HP 64MB 100MHz PC100 ECC Unbuffered CL2 168-Pin DIMM 3.3V Memory Module

SKU: D6522A Brand: HP Category: Server Memory
$175.71 In Stock — Usually Ships in 1–3 Business Days

About the D6522A

The HP D6522A (D6522A - HP 64MB 100MHz PC100 ECC Unbuffered CL2 168-Pin DIMM 3.3V Memory Module) is a Server Memory component engineered for sustained enterprise-class workloads. This part addresses common procurement scenarios where exact-match replacement, capacity expansion, or new-build deployment is required. Technical specifications include capacity of 64 MB, number of sticks of 1, frequency of 100 MHz, connector of 168-pin, voltage of 3.3V, memory class of ECC, Unbuffered. Common deployment scenarios include database server upgrades (in-memory caches, SQL buffer pools), VMware ESXi / Hyper-V virtualization host memory expansion, GPU compute scratch pools, and HPC node provisioning. Pro Disk Network supplies the D6522A to US business buyers. Stocked units ship in 1–3 business days. Pro Disk Network applies a 90-day functional warranty. Free US ground shipping on orders over $150.

Specifications

Part Identification

Technical Specifications

  • Capacity

    64 MB

  • Number of Sticks

    1

  • Frequency

    100 MHz

  • Connector

    168-pin

  • Voltage

    3.3V

  • Memory Class

    ECC, Unbuffered

Order & Fulfillment Details

  • Condition

    Refurbished

    Quality Tier
    Professionally tested — new available on request
  • Warranty

    90-Day Pro Disk Network Warranty

    Coverage
    Advance replacement — we ship first, you return the faulty unit
  • Shipping

    Free over $150 — usually ships in 1–3 business days

  • Returns

    30-Day Returns — US

    Return Window
    Original packaging required
Part Number / MPND6522A
ManufacturerHP
CategoryServer Memory
Capacity64 MB
Number of Sticks1
Frequency100 MHz
Connector168-pin
Voltage3.3V
Memory ClassECC, Unbuffered
ConditionRefurbished — new available on request
Warranty90-Day Pro Disk Network Warranty — advance replacement
ShippingFree over $150 — usually ships in 1–3 business days
Returns30-Day Returns — US

Summary

The D6522A is a HP server memory component with capacity 64 MB, number of sticks 1, frequency 100 MHz. Pro Disk Network sells the D6522A for $175.71 with US shipping in 1–3 business days and a 30-day return guarantee.

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 D6522A compatible with?

The D6522A 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 D6522A ship?

If in stock, the D6522A 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.

Email engineering for a compatibility check ›

Common Use Cases for D6522A

The D6522A 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 D6522A?

The D6522A is a HP server memory module with capacity 64 MB and number of sticks 1, 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 D6522A

Pros

  • Lower cost than buying through the OEM channel
  • US shipping in 1–3 business days cuts deployment lead time

Cons

  • Refurbished tier may show minor cosmetic markings
  • Not optimised for overclocked workstation builds

Frequently Asked Questions about D6522A

Is the D6522A a genuine HP part?
Yes. Pro Disk Network sources every D6522A 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 D6522A compatible with?
The D6522A 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 D6522A ship?
If in stock, the D6522A 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 D6522A?
New D6522A 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 D6522A?
Email sales@prodisknetwork.com with the quantity and target ship date for a quote within one business day.

Similar Products

Pro Disk Network Buyer’s Guide: Server Memory

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 D6522A, 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.

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Server Memory Hub

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