AH252A - HP 4GB Kit (4 X 1GB) DDR2-533MHz PC2-4200 ECC Registered CL4 240-Pin DIMM 1.8V Memory

AH252A - HP 4GB Kit (4 X 1GB) DDR2-533MHz PC2-4200 ECC Registered CL4 240-Pin DIMM 1.8V Memory

SKU: AH252A Brand: HP Category: Server Memory
$251.58 In Stock — Ships Today

About the AH252A

HP part number AH252A identifies the AH252A - HP 4GB Kit (4 X 1GB) DDR2-533MHz PC2-4200 ECC Registered CL4 240-Pin DIMM 1.8V Memory, an enterprise-grade Server Memory unit appropriate for data-center, server-room, and workstation deployment. Technical specifications include capacity of 4 GB, pc standard of PC2-4200, number of sticks of 4, frequency of 533 MHz, connector of 240-pin, voltage of 1.8V, memory class of ECC, Registered. 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 sources the AH252A 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 a US fulfillment hub (Hillsboro OR, Atlanta GA, or Phoenix AZ) with same-day dispatch on in-stock orders before 3pm ET. 90-day Pro Disk Network functional warranty included; free US ground shipping on orders over $150.

Specifications

Part Identification

Technical Specifications

  • Capacity

    4 GB

  • PC Standard

    PC2-4200

  • Number of Sticks

    4

  • Frequency

    533 MHz

  • Connector

    240-pin

  • Voltage

    1.8V

  • Memory Class

    ECC, Registered

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 — Same-Day Dispatch

    Cutoff
    Orders placed before 3pm ET
  • Returns

    30-Day Returns — US

    Return Window
    Original packaging required
Part Number / MPNAH252A
ManufacturerHP
CategoryServer Memory
Capacity4 GB
PC StandardPC2-4200
Number of Sticks4
Frequency533 MHz
Connector240-pin
Voltage1.8V
Memory ClassECC, Registered
ConditionRefurbished — new available on request
Warranty90-Day Pro Disk Network Warranty — advance replacement
ShippingFree over $150 — Same-Day Dispatch
Returns30-Day Returns — US

Summary

The AH252A is a HP server memory component with capacity 4 GB, pc standard PC2-4200, number of sticks 4. Pro Disk Network sells the AH252A for $251.58 with same-day US shipping and a 30-day return guarantee.

Trust Signals

  • US-based LLC — 7345 W Sand Lake Rd, STE 210, Office 3208, Orlando, FL 32819
  • Same-Day US Shipping — orders before 3pm ET ship today via UPS
  • 30-Day Returns — pre-paid label on DOA and defective items

Quick Answer: What servers is the AH252A compatible with?

The AH252A 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 AH252A ship?

Pro Disk Network dispatches the AH252A 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.

Email engineering for a compatibility check ›

Common Use Cases for AH252A

The AH252A 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 AH252A?

The AH252A is a HP server memory module with capacity 4 GB and pc standard PC2-4200, 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 AH252A

Pros

  • Recovery from no-POST errors when refreshing aging servers

Cons

  • Not for laptop SO-DIMM upgrades — server DIMM only
  • LRDIMM and RDIMM are not interchangeable
  • Original retail box not always included on refurbished tier

Frequently Asked Questions about AH252A

Is the AH252A a genuine HP part?
Yes. Pro Disk Network sources every AH252A 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 AH252A compatible with?
The AH252A 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 AH252A ship?
Pro Disk Network dispatches the AH252A 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 AH252A?
New AH252A 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 AH252A?
Email sales@prodisknetwork.com with the quantity and target ship date for a quote within one business day.

Similar Products

From the Same Series as AH252A

Other parts that share the AH252A series prefix — useful when sourcing matched lots, hot-spare pools, or capacity-tier expansions.

  • AH252AR — AH252AR - HP 4GB (4 x 1GB) DDR2-533MHz ECC Registered CL4 240-Pin DIMM 1.8V Memory Module — $326.85

Pro Disk Network Buyer’s Guide: Server Memory

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 AH252A 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.

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Server Memory Hub

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RDIMM, LRDIMM, UDIMM, ECC, DDR4 + DDR5 modules for HP, Dell, Lenovo, Supermicro and Cisco servers.