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Green bare circuit board DDR5 RDIMM with black chips and gold contacts

G.SKILL

G.SKILL F5-6400R5252A64GX1-G5 64GB DDR5 6400 CL52 ECC Registered server RAM

SKU CH-VZKH-FA38S MPN F5-6400R5252A64GX1-G5

64GB DDR5 6400 ECC registered RDIMM with CL52 timing and on-die ECC for server workloads

  • Capacity64GB
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 6400 (PC5 51200)
  • CAS LatencyCL52
  • Timing52-52-52-102
  • Voltage1.10V
  • 64GB capacity supports heavy server workloads
  • DDR5 6400 speed delivers high data throughput
  • CL52 latency with 52-52-52-102 timing ensures responsive operation
  • ECC Registered design protects data integrity
  • 10V voltage reduces power consumption

G5 Series 64GB DDR5 RDIMM

This G.SKILL G5 Series module provides 64GB of DDR5 6400 registered ECC memory for Intel W890 and AMD TRX50 server platforms. The 288-pin RDIMM operates at 1.10V with CL52 latency. It targets workstations and servers that require error correction and registered buffering for stability.

Installation and common issues

The module plugs into a standard 288-pin DDR5 RDIMM slot and supports plug-and-play configuration on compatible motherboards. Multi-channel operation depends on the specific CPU and motherboard combination used. Installers must verify that the platform supports registered ECC DDR5; consumer boards that accept only unbuffered non-ECC DIMMs will not work.

DDR5 6400 registered ECC limits

The DDR5 6400 (PC5 51200) interface delivers high bandwidth but requires a motherboard and CPU that officially support this speed with registered modules. On-die ECC and side-band ECC protect data integrity, while a dedicated temperature sensor allows thermal monitoring. Systems without registered memory support cannot use this module at any speed.

Highlights

  • 64GB capacity supports heavy server workloads
  • DDR5 6400 speed delivers high data throughput
  • CL52 latency with 52-52-52-102 timing ensures responsive operation
  • ECC Registered design protects data integrity
  • 10V voltage reduces power consumption

Specifications

BrandG.SKILL
SeriesG5 Series
ModelF5-6400R5252A64GX1-G5
Capacity64GB
Type288-Pin DDR5 RDIMM
SpeedDDR5 6400 (PC5 51200)
CAS LatencyCL52
Timing52-52-52-102
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
ChipsetIntel W890 Series Chipset (w/ Quad-Channel Memory Support)
AMD TRX50 Chipset
Heat SpreaderNo
FeaturesHigh performance DDR5 R-DIMM memory kit
Requires compatible motherboard (multi-channel support depends on motherboard & CPU used)
On-die ECC & side-band ECC
Dedicated temperature sensor
Plug-and-Play Support
Shipping weight0.05 kg
Package size127 × 76 × 3 mm

Questions about this item

How can I verify the module runs at DDR5 6400 with CL52 timing after installation?

Enter the BIOS or use a system utility such as CPU-Z to confirm the memory reports 6400 MT/s and timings of 52-52-52-102 at 1.10V.

What ships with the module and what must be sourced separately?

The box contains the single 64GB 288-pin DDR5 RDIMM; a compatible motherboard with an Intel W890 or AMD TRX50 chipset and a supported CPU are required but not included.

Which version should I choose for a quad-channel server build?

This 64GB DDR5 6400 CL52 registered ECC module is the only capacity and speed offered in the G5 series; populate four slots on a quad-channel board for maximum bandwidth.

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