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Two bare green DDR5 UDIMM sticks, no heat spreaders

NEMIX RAM

NEMIX RAM 64GB (2x32GB) DDR5 4800 CL40 2Rx8 1.1V UDIMM memory upgrade for ASUS ROG Maximus Z890 APEX

SKU CH-8S7Z-VJ9K5

DDR5 4800 64 GB kit, two 32 GB unbuffered UDIMMs at CL40 1.1 V, validated for the ASUS ROG Maximus Z890 APEX

  • Capacity64GB (2 x 32GB)
  • SpeedDDR5 4800 (PC5 38400)
  • ECCNo
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V

Capacity 64GB 2X32GB

  • 64 GB kit expands capacity for demanding workloads
  • DDR5 4800 speed delivers high bandwidth for data-intensive tasks
  • CL40 latency supports responsive system operation
  • 10 V operation reduces power draw and heat
  • Validated for ASUS ROG Maximus Z890 APEX motherboard

Capacity and fit

This kit delivers 64 GB across two 32 GB DDR5 modules built for the ASUS ROG Maximus Z890 APEX motherboard. It targets builders and IT professionals who need reliable capacity for workstations or AI workloads on that specific platform. Buyers who require ECC error correction or registered modules should look elsewhere.

Installation notes

The 288-pin UDIMM form factor drops into standard desktop slots and runs at the standard 1.1 V, so no voltage adjustment is needed. The lack of a heat spreader keeps the profile low but leaves the DRAM exposed to airflow constraints in tightly packed builds. Always consult the motherboard manual for the correct population order.

Sustained-load behaviour

Rated at 4800 MT/s with CL40 latency and a dual-rank 2Rx8 organisation, the modules are stress-tested under load to maintain stability during extended compute sessions. The major-brand Samsung, Micron or Hynix chips provide consistent throughput for memory-intensive tasks without thermal throttling from a spreader.

Highlights

  • 64 GB kit expands capacity for demanding workloads
  • DDR5 4800 speed delivers high bandwidth for data-intensive tasks
  • CL40 latency supports responsive system operation
  • 10 V operation reduces power draw and heat
  • Validated for ASUS ROG Maximus Z890 APEX motherboard

Specifications

BrandNEMIX RAM
SeriesASUS Server Motherboard Compatible Series Memory
ModelASUS 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 SystemASUS
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

Other versions of this model

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Questions about this item

How do I confirm the kit is running at DDR5 4800 CL40 after installation?

Open the BIOS or a hardware monitor and verify the memory speed shows 4800 MT/s with timings at CL40.

What is included in the package and is anything else required?

The box contains the 64 GB kit as two 32 GB 288‑pin UDIMM modules; no extra parts are needed for installation.

Which capacity version should I choose for the ASUS ROG Maximus Z890 APEX?

This 64 GB kit (2×32 GB) is the configured option validated for that motherboard.

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