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Lenovo 4X70F28590 ThinkServer 16GB DDR4-2133MHz RDIMM Memory — main product image
Lenovo

Lenovo 4X70F28590 ThinkServer 16GB DDR4-2133MHz RDIMM Memory

★★★★★5.0 (1 reviews)
16GB DDR4

Boost your ThinkServer's performance with Lenovo's 16GB DDR4-2133MHz RDIMM, built for reliable enterprise memory expansion.

$327.77*
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

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Overview

The Lenovo 4X70F28590 is a 16GB DDR4-2133MHz Registered DIMM built specifically for Lenovo ThinkServer platforms. As a genuine Lenovo component, it is validated for compatibility and tested to meet the reliability standards expected in server environments. The 2Rx4 dual-rank configuration provides efficient memory bandwidth while maintaining broad compatibility across ThinkServer memory controllers, and ECC support ensures that single-bit errors are automatically corrected to protect critical data.

With 16GB per module, this RDIMM allows administrators to add meaningful capacity without consuming excessive DIMM slots, leaving room for further expansion as workload demands grow. While DDR4-2133MHz sits at the base of the DDR4 speed range, it remains a practical choice for ThinkServer systems originally designed around this memory generation. For organizations running Lenovo infrastructure and seeking a reliable, vendor-matched memory upgrade, the 4X70F28590 offers a straightforward path to increased server performance.

Key Features

ThinkServer 16GB DDR4-2133MHz(2Rx4) RDIMM

Design that delivers high availability, scalability, and for maximum flexibility and price/performance

Made in China

Specifications

Brand
Lenovo
Model
4X70F28590
Capacity
16GB
Memory Type
DDR4 RDIMM
Speed
2133MHz
Rank
2Rx4
Compatibility
Lenovo ThinkServer Systems
Country of Origin
China

Pros & Cons

👍 Pros

  • 16GB capacity in a single module conserves DIMM slots for future expansion
  • DDR4-2133MHz speed provides solid throughput for server workloads
  • RDIMM design with ECC supports enterprise-grade data integrity and reliability
  • Genuine Lenovo part ensures validated compatibility with ThinkServer systems

👎 Cons

  • Only compatible with ThinkServer models that accept DDR4 RDIMMs, limiting use in other server brands
  • 2133MHz speed is an older DDR4 tier and may bottleneck newer processors that support faster memory
  • Sold as a single module, so outfitting a full server can become expensive

Frequently Asked Questions

This RDIMM is designed for Lenovo ThinkServer systems that support DDR4-2133MHz 2Rx4 registered memory. Check your specific ThinkServer model's documentation to confirm compatibility before purchasing.
This is a single 16GB RDIMM module. If you need more capacity, you can purchase multiple units and populate additional memory slots in your server.
2Rx4 refers to the module's rank and chip organization — it is a dual-rank module using x4 memory chips. This configuration offers a good balance of bandwidth and compatibility with ThinkServer memory controllers.
No. RDIMMs (Registered DIMMs) are designed for server motherboards with memory controllers that support registered modules. They are not compatible with standard desktop consumer motherboards.
Yes. As a registered DIMM designed for ThinkServer systems, this module features ECC (Error-Correcting Code) functionality to detect and correct single-bit memory errors, enhancing data integrity.

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