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Two green DDR5 RDIMM sticks, black chips, no heat spreader

NEMIX RAM

NEMIX RAM RS720QA-E12-RS8U 64GB (2x32GB) DDR5 4800 CL40 ECC RDIMM memory upgrade

SKU CH-04RZ-43VDX MPN RS720QA-E12-RS8U

64 GB DDR5 ECC registered RDIMM kit (2 × 32 GB) at 4800 MT/s CL40, 1.1 V, 288-pin, validated for ASUS RS720QA-E12-RS8U 2U4N rack servers

  • Capacity64GB (2 x 32GB)
  • SpeedDDR5 4800 (PC5 38400)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V
  • DDR5 4800 speed accelerates server workloads
  • ECC registered design protects data integrity
  • 1Rx4 organisation increases memory density
  • 10 V operation reduces power draw
  • ASUS RS720QA-E12-RS8U validated compatibility ensures stability

Compatibility & fit

This 64 GB kit is built for the ASUS RS720QA-E12-RS8U 2U4N rack server and matches its DDR5 4800 registered ECC specification. It suits administrators who need validated, high-density memory for that exact platform. Builders working with different server models, workstations or consumer motherboards should look at something else because the registered ECC design and pin-out are not interchangeable.

Capacity & density

The kit provides 64 GB total across two 32 GB modules, each organised as 1Rx4 at CL40 latency and 1.1 V. This density fits the server’s high-capacity slots and supports the workloads the system was designed for. Users who need a smaller increment or a different rank configuration cannot use this kit as-is.

DDR5 4800 registered ECC

The decisive specification is DDR5 4800 (PC5-38400) registered ECC RDIMM in a 288-pin form factor. Only systems that explicitly require this exact speed, voltage and error-correcting registered format will accept these modules.

Puntos fuertes

  • DDR5 4800 speed accelerates server workloads
  • ECC registered design protects data integrity
  • 1Rx4 organisation increases memory density
  • 10 V operation reduces power draw
  • ASUS RS720QA-E12-RS8U validated compatibility ensures stability

Especificaciones

BrandNEMIX RAM
SeriesASUS Server Motherboard Compatible Series Memory
ModelASUS DDR5 4800MHZ ECC RDIMM Registered Server Memory
Part NumberMR38400-314K2
Capacity64GB (2 x 32GB)
SpeedDDR5 4800 (PC5 38400)
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.10V
Compatible SystemASUS
CAS LatencyCL40
Heat SpreaderNo
Type288-Pin DDR5 RDIMM
Rank1Rx4
FeaturesDDR5 ECC Registered RDIMM Server Motherboard Compatible
Package Content64GB (2X32GB) DDR5 4800MHZ PC5-38400 1Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Preguntas sobre este artículo

How do I install the 288-pin DDR5 RDIMM modules into the ASUS RS720QA-E12-RS8U server, and what step is often missed?

Power down the server and unplug it. Open the chassis, locate the DIMM slots, align the notch on each 288-pin module with the slot key, press firmly until both side latches click, then verify in BIOS that all 64 GB are detected at 4800 MT/s.

What maintenance or replacement will the ECC RDIMM kit need over its service life?

The modules have no heat spreaders and no moving parts, so no routine maintenance is required. If a correctable error count rises or a module fails, replace the affected 32 GB RDIMM with an identical DDR5 4800 CL40 1Rx4 part to retain ECC protection.

What limit appears first when the memory runs under sustained load in this server?

The CAS latency of CL40 at 4800 MT/s sets the timing ceiling, while the registered buffer and 1.10 V operation keep signal integrity stable; the first bottleneck is therefore the rated latency, not thermal throttling or voltage headroom.

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