Kingston KSM26RS4/16MRR

Overview

The Kingston KSM26RS4/16MRR is a server memory module designed to add 16 GB of DDR4 registered DIMM capacity to enterprise and data center systems. Running at 2666 MT/s, it delivers the bandwidth necessary to keep virtual machines responsive, database queries efficient, and analytics tasks on track. Integrated error-correcting code (ECC) detects and repairs single-bit errors, helping maintain system stability and uptime for critical workloads.

Key features

• 16 GB capacity module that supports DDR4 technology for modern server environments
• 2666 MT/s data rate ensures fast data processing in demanding server applications
• Error-correcting code (ECC) protects against data corruption by automatically fixing single-bit faults
• Registered DIMM design improves signal integrity and stability when multiple modules are installed
• Validated compatibility with both Intel and AMD server platforms for flexible deployment
• Operates at a low 1.2 V voltage to reduce power consumption and heat generation in dense server racks
• Manufactured with high-quality Micron memory chips and subjected to rigorous factory testing for reliability
• Consistent performance ensured by a controlled bill of materials across production batches
• Backed by Kingston’s limited lifetime warranty, providing long-term support and peace of mind

Key specs

• Memory capacity: 16 GB
• Memory type: DDR4 registered DIMM (RDIMM)
• Data rate: 2666 mega transfers per second (MT/s)
• Voltage: 1.2 V nominal
• Error correction: ECC (error-correcting code)
• Compatibility: Intel and AMD server platforms
• Chip manufacturer: Micron

Connectivity and compatibility

This memory module is designed to fit into standard DDR4 registered DIMM slots on compatible server motherboards. Its validation on both Intel and AMD platforms ensures broad compatibility across a wide range of server hardware, making it a versatile choice for upgrades or new builds. The registered design helps maintain signal integrity in multi-module configurations, which is essential for stable operation in multi-processor servers.

Performance and reliability

With ECC technology, the module actively detects and corrects single-bit errors before they impact system operation, reducing the risk of crashes or data loss. The 2666 MT/s speed supports high-throughput workloads, keeping data flowing smoothly in virtualized environments and database servers. Operating at a lower voltage than previous generations, it helps reduce thermal output, which is critical in dense rack setups where cooling is a concern.

Ideal uses and environments

This memory module is well suited for business-critical servers that require consistent uptime and reliable performance. It fits well in virtualization clusters, file servers, and database systems where data integrity and speed are priorities. Its power-efficient design also makes it a strong choice for data centers aiming to optimize energy consumption without sacrificing performance.

Orders are processed within 2 business days, which includes verification, packing, and dispatch. Shipping costs are calculated at checkout based on destination, total weight, and selected speed. Free shipping applies to carts over $100 (excluding heavyweight items). All available options and final pricing are clearly shown before payment so you can choose the service that best fits your needs.

Deliveries are handled by major carriers such as USPS, UPS, and FedEx. Estimated delivery times are displayed at checkout and may vary depending on service level and location. Please note that these are estimates and can be affected by weather, holidays, or carrier volume. Once your order ships, you’ll receive a tracking number for real-time updates from pickup to final delivery.

Providing an accurate shipping address helps prevent delays, and changes may be limited once the order has been dispatched. P.O. boxes are supported only when permitted by the selected carrier. Packaging and handoff are optimized to protect items during transit, though oversized or high-weight products may require special handling. All shipping methods and any related constraints are clearly shown during checkout.

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Returns are accepted within 30 days of delivery. Items must be unused, in the same condition received, and include all tags, manuals, accessories, and original, unaltered packaging. To start a return, please email us for approval. Items sent back without approval may be refused or returned to the sender. If any item is kept, its value will be deducted from the refund.

Non-returnable items include opened TVs, combos, or monitors 37″ or larger, opened computers or software, electronic downloads, opened consumables (film, paper, bulbs, media, ink), custom or modified computers, special-order or “nonreturnable” items, submerged underwater gear, and opened educational media.

After inspection, refunds are issued to the original payment method. Please allow 5–7 business days for the credit to post. Shipping and handling are nonrefundable. If an item is used, incomplete, or not in its original condition, a 30% restocking fee may apply. Direct exchanges are not offered. To exchange an item, please purchase the replacement separately and return the original for a refund.

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We act solely as a reseller. Any product warranty is provided and administered by the manufacturer, not by our store. That means eligibility, coverage, and outcomes are determined by the manufacturer’s policy for each brand and model. Before purchasing, we recommend reviewing the warranty terms on the manufacturer’s website or in the product documentation to confirm what is covered and for how long.

If you need warranty service, please file the claim directly with the manufacturer. They may require proof of purchase, the product serial number, original packaging, photos, or basic troubleshooting. Some brands ask you to register the product or obtain a case number before shipping it for repair or replacement. We don’t submit or approve claims, but we can point you to the correct support links and contact details.

Keep your invoice and packaging in a safe place, and report any functional issues to the manufacturer as soon as they appear. If you’re unsure whether a problem is covered, the manufacturer’s support team can confirm next steps and timelines. While we cannot intervene in decisions or outcomes, we’re happy to provide purchase documentation or guidance so you can move through the warranty process smoothly.

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