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Four bare green DDR5 RDIMM modules, no heat spreaders

G.SKILL

G.SKILL F5-6400R3239G16GQ4-G5N 64GB (4×16GB) DDR5 6400 CL32 ECC Registered server RAM

SKU CH-15Q8-XW36E MPN F5-6400R3239G16GQ4-G5N

64 GB quad-channel DDR5-6400 CL32 ECC RDIMM kit for AMD Threadripper 7000X workstations

  • Capacity64GB (4 x 16GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 6400 (PC5 51200)
  • CAS LatencyCL32
  • Timing32-39-39-102
  • Voltage1.40V
  • 64 GB quad-channel capacity scales memory bandwidth for heavy workloads
  • DDR5 6400 speed with CL32 latency accelerates data-intensive tasks
  • ECC registered design protects data integrity in critical applications
  • AMD EXPO profile enables one-click overclock on Threadripper 7000X systems
  • 40 V operation balances high frequency with stable power draw

Server-grade DDR5 kit

This 64 GB kit contains four 16 GB registered DDR5 modules rated at 6400 MT/s with CL32-39-39-102 timings at 1.40 V. It targets workstations built on AMD Ryzen Threadripper 7000X series processors and TRX50 motherboards that provide quad-channel memory support. On-die and side-band ECC protect data integrity for professional workloads.

Registered modules without spreaders

Each 288-pin RDIMM uses a register to reduce electrical load on the memory controller, a requirement for stable four-channel operation at this speed. The absence of heat spreaders keeps module height low for dense server chassis, but airflow across the bare PCB must be adequate to manage thermals during sustained loads.

AMD EXPO profile dependence

Rated performance is reached only when the motherboard firmware enables the AMD EXPO profile and the CPU integrated memory controller can sustain the frequency. Without a compatible TRX50 platform and validated QVL entry, the kit will fall back to standard JEDEC speeds. Buyers who cannot confirm motherboard and CPU support for DDR5-6400 EXPO should not expect the advertised timings.

Punti di forza

  • 64 GB quad-channel capacity scales memory bandwidth for heavy workloads
  • DDR5 6400 speed with CL32 latency accelerates data-intensive tasks
  • ECC registered design protects data integrity in critical applications
  • AMD EXPO profile enables one-click overclock on Threadripper 7000X systems
  • 40 V operation balances high frequency with stable power draw

Caratteristiche tecniche

BrandG.SKILL
SeriesG5 Neo Series
ModelF5-6400R3239G16GQ4-G5N
Capacity64GB (4 x 16GB)
Type288-Pin DDR5 RDIMM
SpeedDDR5 6400 (PC5 51200)
CAS LatencyCL32
Timing32-39-39-102
Voltage1.40V
ECCYes
Buffered/RegisteredRegistered
Multi-channel KitQuad Channel Kit
BIOS/Performance ProfileAMD EXPO
ChipsetAMD TRX50 Chipset
Heat SpreaderNo
FeaturesHigh performance DDR5 R-DIMM memory kit
Designed for use with AMD Ryzen Threadripper 7000X series processor
Requires compatible AMD TRX50 motherboard w/ 4-channel support
On-die ECC & side-band ECC
Dedicated temperature sensors
AMD EXPO Support
Peso di spedizione0.12 kg
Dimensioni del pacco244 × 178 × 25 mm

Domande su questo articolo

Does DDR5 6400 run at 6400 MT/s on an AMD TRX50 platform with EXPO?

Yes, the kit is rated DDR5 6400 (PC5 51200) and uses an AMD EXPO profile to configure the 6400 MT/s speed on compatible TRX50 motherboards with Threadripper 7000X CPUs.

What physical slot and form factor do these modules require?

Each module is a 288-pin DDR5 RDIMM; the kit contains four 16 GB sticks that install in the four DDR5 RDIMM slots of a quad-channel TRX50 motherboard.

How is the EXPO profile enabled, and what step is often missed?

Enter the BIOS after installing all four modules, select the AMD EXPO profile for this kit, save and reboot; the step often missed is confirming the motherboard QVL lists this exact model before purchase.

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