4X77A12185 - Lenovo 32GB PC4-23400 DDR4-2933MHz ECC Registered CL21 RDIMM 1.2V Dual-Rank Memory Module

4X77A12185 - Lenovo 32GB PC4-23400 DDR4-2933MHz ECC Registered CL21 RDIMM 1.2V Dual-Rank Memory Module

SKU: 4X77A12185 Brand: Lenovo Category: Server Memory
$569.84 In Stock — Usually Ships in 1–3 Business Days

About the 4X77A12185

This Lenovo 4X77A12185 delivers Server Memory functionality and is built for 24/7 enterprise duty cycles. Technical specifications include capacity of 32 GB, pc standard of PC4-23400, number of sticks of 1, frequency of 2933 MHz, voltage of 1.2V, memory class of ECC, Registered, features of Dual-Rank. Workload fit covers virtual desktop infrastructure (Citrix, VMware Horizon), Java application servers (Tomcat, JBoss, WebLogic), enterprise data warehouse (Teradata, Vertica), and Hadoop/Spark cluster compute. Pro Disk Network sources the 4X77A12185 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.

Specifications

Part Identification

  • Part Number / MPN

    4X77A12185

  • Manufacturer

    Lenovo

  • Category

    Server Memory

Technical Specifications

  • Capacity

    32 GB

  • PC Standard

    PC4-23400

  • Number of Sticks

    1

  • Frequency

    2933 MHz

  • Voltage

    1.2V

  • Memory Class

    ECC, Registered

  • Features

    Dual-Rank

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 / MPN4X77A12185
ManufacturerLenovo
CategoryServer Memory
Capacity32 GB
PC StandardPC4-23400
Number of Sticks1
Frequency2933 MHz
Voltage1.2V
Memory ClassECC, Registered
FeaturesDual-Rank
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 4X77A12185 is a Lenovo server memory component with capacity 32 GB, pc standard PC4-23400, number of sticks 1. Pro Disk Network sells the 4X77A12185 for $569.84 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 4X77A12185 compatible with?

The 4X77A12185 is a Lenovo 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 4X77A12185 ship?

Pro Disk Network usually dispatches the 4X77A12185 in 1–3 business days. 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 4X77A12185

The 4X77A12185 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 4X77A12185?

The 4X77A12185 is a Lenovo server memory module with capacity 32 GB and pc standard PC4-23400, manufactured by Lenovo. 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 4X77A12185

Pros

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

Cons

  • Memory must match existing DIMM rank/density for channel balance
  • Higher density modules can drop overall channel speed
  • BIOS update may be required on older revisions

Frequently Asked Questions about 4X77A12185

Is the 4X77A12185 a genuine Lenovo part?
Yes. Pro Disk Network sources every 4X77A12185 as factory-original Lenovo inventory. New units arrive sealed in OEM packaging; refurbished units are pulled from decommissioned Lenovo servers, surface-tested, and re-warranted by Pro Disk Network for 90 days.
What servers is the 4X77A12185 compatible with?
The 4X77A12185 is a Lenovo 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 4X77A12185 ship?
Pro Disk Network usually dispatches the 4X77A12185 in 1–3 business days. 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 4X77A12185?
New 4X77A12185 units carry the full Lenovo 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 4X77A12185?
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

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 4X77A12185 is available across three procurement tiers, and the choice is driven by criticality, warranty coverage, and budget. New (sealed OEM) units carry the full Lenovo 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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