Skip to product information
1 of 1

Lenovo 16GB 4800MHz DDR5 PC5-38400 ECC Registered DIMM Single Rank x8 Memory Module - 4X77A81437

Lenovo 16GB 4800MHz DDR5 PC5-38400 ECC Registered DIMM Single Rank x8 Memory Module - 4X77A81437

Part Number: 4X77A81437
Manufacturer: Lenovo

Condition: Refurbished

Weight: 0.1 lbs

Availability: In stock

Regular price $515.00
Regular price Sale price $515.00
Shipping calculated at checkout.
Delivery Car

Fast Delivery

Return Icon

Easy Returns

Features Icon

Free USA Shipping <10 lbs

Warranty Icon

Safe payment

We accept purchase orders from fortune 1000 Companies, government agencies, defence, Schools, and hospitals. For more details, contact us at (800) 504-1875 or simply submit Request for Quote form. Our Sales Team will prompt respond with a best solution tailored to your needs.

  • American Express
  • Diners Club
  • Discover
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Request For Quote

This site is protected by hCaptcha and the hCaptcha Privacy Policy and Terms of Service apply.

Lenovo 16GB DDR5-4800 ECC Registered DIMM — 4X77A81437

The Lenovo 4X77A81437 is a 16GB DDR5-4800 (PC5-38400) ECC Registered DIMM in a single rank x8 configuration. An alternate part number variant of the 4X77A77029, 03GX334, and 03KL454, it delivers the same entry-capacity first-generation DDR5 server memory with ECC reliability for Lenovo ThinkSystem servers on DDR5-4800 platforms.

Key Features

  • 16GB DDR5-4800 (PC5-38400) — entry-capacity DDR5 server RDIMM
  • ECC Registered (RDIMM) — error correction and signal buffering
  • Single Rank x8
  • 288-pin DIMM — DDR5 server memory interface
  • Validated for Lenovo ThinkSystem servers

Product Specifications

  • Part Number: 4X77A81437
  • Manufacturer: Lenovo
  • OEM Status: OEM Lenovo ThinkSystem
  • Capacity: 16GB
  • Speed: DDR5-4800 (PC5-38400)
  • Type: ECC Registered DIMM (RDIMM)
  • Form Factor: 288-Pin DIMM
  • Rank: Single Rank x8

Memory Specifications

  • Capacity: 16GB
  • DDR Generation: DDR5
  • Speed: 4800MHz (PC5-38400)
  • ECC: Yes
  • Buffered: Registered (RDIMM)
  • Rank: Single Rank x8
  • Form Factor: 288-Pin DIMM

Performance Specifications

  • Bandwidth: Up to 38,400 MB/s (PC5-38400)
  • Operating Temperature: 0°C to 85°C

Use Cases

  • DDR5 server memory for Lenovo ThinkSystem DDR5-4800 platforms
  • Entry-capacity DDR5 RDIMM for ThinkSystem DDR5 deployments
  • Virtualization and general-purpose workloads on DDR5 servers

Compatibility

  • Lenovo ThinkSystem servers supporting DDR5-4800 RDIMM
  • Not compatible with DDR4 slots or consumer platforms
  • Verify Lenovo ThinkSystem compatibility matrix for specific server models

Frequently Asked Questions

What is the difference between 4X77A81437, 4X77A77029, 03GX334, and 03KL454?
All are Lenovo 16GB DDR5-4800 ECC Registered Single Rank x8 DIMMs — alternate part numbers that may differ in DRAM manufacturer or firmware revision. Verify from Lenovo's compatibility matrix.
Is this compatible with non-Lenovo servers?
This is an OEM Lenovo ThinkSystem RDIMM validated for ThinkSystem servers. Compatibility with non-Lenovo servers is not guaranteed.

The Lenovo 4X77A81437 delivers 16GB of DDR5-4800 ECC Registered server memory in a single rank x8 configuration — validated for Lenovo ThinkSystem DDR5-4800 servers requiring entry-capacity DDR5 RDIMM for enterprise workloads.

Frequently Asked Questions

Why do I see an incorrect image for this item?

Images may be representative of the product model. For Refurbished items, the actual unit may differ in appearance from the image shown.

Specifications, part number, condition and included accessories are stated on this page.

What do you mean by term Refurbished?

Refurbished means a used computer part or device that has been cleaned, checked, and repaired to make sure it works properly again. Unlike regular second-hand items, refurbished products go through testing and fixing so they can perform like new.

How many days does it take to ship goods to customers?

All orders are processed within 1-2 business days. Orders placed on weekends or public holidays will be processed on the next business day. For more info visit shipping policy.

What is your return policy?

We offer a 30-day return policy subject to the terms and conditions described in our Refund Policy. Restocking fees may apply to eligible non-faulty returns. Kindly take a look at our Return Policy page.

Do you deliver my ordered items in their original retail box?

For Brand New items, you will receive them in their original retail box. For Refurbished items, you will receive them in a Brown Box or Bulk Packaging.

Do your printers come with ink cartridges?

Refurbished printers do not come with ink cartridges or toners.