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Two green 288-pin DDR5 UDIMM modules without heat spreaders

NEMIX RAM

NEMIX RAM 64GB (2x32GB) DDR5 4800 CL40 1.10V 2Rx8 UDIMM ASRock Z790 PG Riptide memory upgrade

SKU CH-PYKX-SSNVH

A 64 GB DDR5 kit (2 × 32 GB) running at 4800 MT/s with CL40 latency and 1.10 V, validated for the ASRock Z790 PG Riptide motherboard

  • Capacity64GB (2 x 32GB)
  • SpeedDDR5 4800 (PC5 38400)
  • ECCNo
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V
  • 64 GB capacity with two 32 GB modules
  • DDR5 4800 speed rated at PC5-38400
  • CL40 latency at 1.10 V operation
  • 288-pin UDIMM form factor fits desktop boards
  • 2Rx8 dual-rank organisation for density

64 GB DDR5 kit for ASRock Z790 PG Riptide

This 64 GB kit contains two 32 GB DDR5 UDIMM modules validated for the ASRock Z790 PG Riptide motherboard. It targets desktop builders and upgraders who need high-capacity memory for demanding workloads on this specific platform.

Unbuffered non-ECC modules at 1.1 V

The kit supplies unbuffered non-ECC memory operating at the standard 1.10 V DDR5 voltage. No heat spreader is included, and the modules rely on the board's own cooling and power delivery for stable operation at the rated speed.

4800 MT/s CL40 2Rx8 288-pin UDIMM

The modules run at DDR5 4800 (PC5-38400) with a CAS latency of CL40 in a dual-rank 2Rx8 organisation. This specification determines whether the memory matches the motherboard's qualified-vendor list and the builder's performance target.

商品特色

  • 64 GB capacity with two 32 GB modules
  • DDR5 4800 speed rated at PC5-38400
  • CL40 latency at 1.10 V operation
  • 288-pin UDIMM form factor fits desktop boards
  • 2Rx8 dual-rank organisation for density

商品規格

BrandNEMIX RAM
SeriesASRock Gaming Motherboard Compatible Series Memory
ModelASRock DDR5 4800MHZ Non-ECC Unbuffered UDIMM
Part NumberMD38400-328K2
Capacity64GB (2 x 32GB)
SpeedDDR5 4800 (PC5 38400)
ECCNo
Buffered/RegisteredUnbuffered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.10V
Compatible SystemASRock
CAS LatencyCL40
Heat SpreaderNo
Type288-Pin DDR5 UDIMM
Rank2Rx8
FeaturesDDR5 Non-ECC Unbuffered UDIMM Motherboard Compatible
Package Content64GB (2X32GB) DDR5 4800MHZ PC5-38400 2Rx8 1.1V CL40 288-PIN Non-ECC Unbuffered UDIMM KIT

商品問答

Will the 2Rx8 rank configuration require any firmware updates or module replacements over time on the ASRock Z790 PG Riptide?

The 2Rx8 dual-rank modules operate at standard 1.10V and CL40 timings with no heat spreader. They are validated for the Z790 PG Riptide and need no firmware updates or planned replacements under normal use.

What limit appears first during sustained loads — the CL40 latency ceiling or the 4800 MT/s throughput ceiling?

At DDR5 4800 the throughput ceiling is reached before CL40 latency becomes a bottleneck. The 38400 MB/s peak bandwidth of the PC5-38400 kit defines the sustained ceiling for the ASRock Z790 PG Riptide platform.

How much heat and power do the 1.10 V Samsung, Micron or Hynix ICs produce when the kit runs all day at 4800 MT/s?

At 1.10 V the modules draw minimal power and run cool without a heat spreader. The major-brand ICs are stress-tested under load, so all-day operation at 4800 MT/s stays within standard DDR5 thermal and power envelopes for the Z790 PG Riptide.

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