KF556R36RBK4-128 Kingston 4x32GB DDR5 ECC RAM

Product line:

FURY Renegade PRO

See all ECC Registered RAM (RDIMM) DDR5

See other Kingston products

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Happyware Article Number:

SH6R4965-410009

Manufacturer Number:

KF556R36RBK4-128

Brand:

Kingston

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Description Technical details Warranty & Technical Support Reviews Bulk Deals

KF556R36RBK4-128

High-Density DDR5 RDIMM ECC Server Memory Kit for Platform-Scale Upgrades with KF556R36RBK4-128

KF556R36RBK4-128 is a 128GB DDR5 Registered ECC memory kit engineered for modern Intel Xeon Scalable and AMD EPYC platforms that depend on buffered DIMM signaling for stable, high-capacity memory populations. By using RDIMM architecture with ECC on a 72-bit data path, KF556R36RBK4-128 supports sustained uptime under virtualization and database pressure while maintaining predictable behavior across multi-socket server topologies.

Built on DDR5-5600 JEDEC PC5-44800R, KF556R36RBK4-128 provides increased memory bandwidth that complements PCIe 5.0-era systems where accelerator, NIC, and NVMe throughput can expose memory bottlenecks. The four-module, low-profile 288-pin design enables dense installations that preserve airflow clearance in 1U and 2U chassis, and the registered, single-rank x4 module layout helps sustain signal integrity as channels and slots are fully utilized. For standardized deployment, Intel XMP support allows controlled profile selection during qualification without altering the server’s storage or expansion architecture.

Why Choose the KF556R36RBK4-128?

KF556R36RBK4-128 is selected when IT teams need a disciplined capacity-and-bandwidth step-up for DDR5 RDIMM platforms without compromising reliability. The kit’s density-to-performance balance aligns with scalable node builds, while ECC and registered buffering reduce operational risk in long-running services and facilitate repeatable expansion as cluster footprints grow.

Kingston designs server memory with a validation-first engineering philosophy focused on electrical compatibility, longevity, and consistency across procurement cycles. This approach supports data centre standards for serviceability, controlled change management, and compliance-driven deployments where memory behavior must remain deterministic.

Key Applications:

Virtualization and private cloud consolidation
In-memory databases and OLTP
HPC and technical computing
Analytics and ETL processing
VDI and enterprise application servers

At Happyware - Server Hardware you benefit from Non-Binding Offers that align KF556R36RBK4-128 quantities to your rollout plan and from Bulk Order Discount options for standardized, multi-node memory expansions.

Technical details of KF556R36RBK4-128

Capacity:

128GB

Generation:

DDR5

Single Module Capacity:

32GB

Frequency:

5600MHz

Form Factor:

DIMM

DIMM Type:

DDR5

ECC:

ECC

Registered/Unbuffered:

Registered

Modules Quantity:

Pins:

288

Voltage:

1.25V

Rank:

Single-Rank x4

Intel XMP:

Yes

Module height:

JEDEC:

PC5-44800R

CAS Latency:

Row-to-Column Delay (tRCD):

Row Precharge Time (tRP):

Certificates:

RoHS

How long is the Warranty and how you can get technical support for KF556R36RBK4-128

Warranty:	12 months (part)
RMA through customer:	yes
RMA Url:	https://www.kingston.com/de/support/rma-enduser
Description:	Kingston typically requires the item to be returned first before sending a replacement. There are no standard guaranteed delivery times or on-site services offered under the warranty.