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Four green DDR5 RDIMM modules with black chips, no heat spreaders

G.SKILL

G.SKILL F5-6000R3036G32GQ4-G5 128GB (4×32GB) DDR5 6000 CL30 ECC Registered server RAM

SKU CH-SH5R-EH4B0 MPN F5-6000R3036G32GQ4-G5

128 GB quad-channel DDR5 RDIMM kit running at 6000 MT/s with CL30 latency and registered ECC for Xeon workstations

  • Total capacity128 GB (4 × 32 GB)
  • Rated speedDDR5 6000 (PC5 48000)
  • ChipsetIntel W790 Series Chipset (w/ Quad-Channel Memory Support)
  • CAS latencyCL30
  • Memory timings30-36-36-96
  • Rated voltage1.4 V
  • 128 GB quad-channel kit scales workstation memory capacity
  • DDR5 6000 speed delivers 48000 MT/s peak bandwidth
  • CL30 30-36-36-96 timings reduce latency for compute tasks
  • ECC registered design corrects errors to protect data integrity
  • Intel XMP 3.0 profile enables one-click overclock on W790 platforms

Capacity and audience

This G.SKILL G5 Series kit provides 128GB of DDR5 server memory across four 32GB registered DIMMs. It targets workstation builders using Intel Xeon W-2400X series processors on W790 chipset motherboards with quad-channel support.

Registered DDR5 constraints

Registered DIMMs require a motherboard designed for server or workstation chipsets; they will not function in standard consumer platforms. The rated DDR5 6000 speed with CL30 timing activates through Intel XMP 3.0 profiles, and stability at that frequency depends on the CPU memory controller and motherboard QVL validation.

Build and daily implications

Modules operate at 1.40V without heat spreaders, relying on chassis airflow for cooling in dense quad-channel layouts. On-die and side-band ECC plus a dedicated temperature sensor support data integrity monitoring, while the 288-pin RDIMM form factor ensures mechanical compatibility with approved W790 workstation boards.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $4,240.99
Pricier than about 90% of the 6,523 comparable items (median $188.99).
Total capacity 128 GB (4 × 32 GB)
Higher than about 90% of the 6,064 comparable items (median 32 GB).
Price per GB $33.13 per GB
Pricier than about 90% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameG.SKILL
Product lineG5 Series
Model nameF5-6000R3036G32GQ4-G5
Total capacity128 GB (4 × 32 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 6000 (PC5 48000)
Processor
ChipsetIntel W790 Series Chipset (w/ Quad-Channel Memory Support)
Memory
CAS latencyCL30
Memory timings30-36-36-96
ECC supportYes
Buffer typeRegistered
Kit configurationQuad Channel Kit
Memory profilesIntel XMP 3.0
Heat spreaderNo
Power
Rated voltage1.4 V
Size & build
Shipping weight0.12 kg
Package size244 × 178 × 25 mm

Questions about this item

Should I pick the 128 GB quad-channel kit or a smaller capacity for my workstation?

The kit provides 128 GB across four 32 GB modules, filling all four channels on an Intel W790 motherboard for maximum bandwidth; choose it when your workloads need that full capacity and quad-channel throughput.

What does the DDR5 6000 rating actually deliver once the modules are installed?

At the rated XMP 3.0 profile the modules run at 6000 MT/s with CL30-36-36-96 timings at 1.40 V, giving the peak bandwidth the PC5 48000 designation describes, provided the CPU memory controller and motherboard support that speed.

How does the registered ECC interface affect compatibility and performance limits?

These are 288-pin DDR5 RDIMMs with on-die and side-band ECC; they require an Intel Xeon W-2400X processor and a W790 chipset board with quad-channel support, and the registered buffer adds one cycle of latency while enabling the full 128 GB capacity.

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