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Twelve green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM RS520A-E12-RS24U 1.5TB (12x128GB) DDR5 4800 CL40 ECC RDIMM memory upgrade

SKU CH-SGQE-AWCHH MPN RS520A-E12-RS24U

1.5 TB registered ECC DDR5 kit with twelve 128 GB modules running at 4800 MT/s CL40 for the ASUS RS520A-E12-RS24U server

  • Total capacity1.5 TB (12 × 128 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 5 TB total capacity across twelve 128 GB modules
  • DDR5 4800 MT/s speed rated at PC5-38400
  • ECC registered design protects data integrity in servers
  • 4Rx4 organisation on 288-pin RDIMM form factor
  • Low 1.1 V operating voltage for efficient power use

System-Specific DDR5 Kit

This 1.5 TB DDR5 4800 ECC RDIMM kit contains twelve 128 GB modules built for the ASUS RS520A-E12-RS24U 2U server. Registered buffering and on-die ECC protect data integrity in mission-critical workloads. The kit arrives as a matched set validated for that platform.

Compatibility & Limits

Suits administrators upgrading the named ASUS single-socket 2U server to its maximum supported capacity. Not for desktop boards, workstations lacking RDIMM support, or systems that require unbuffered UDIMMs or a different DDR generation. Builders needing lower capacities or non-ECC memory should look elsewhere.

Decisive Spec

Registered 4Rx4 organisation at 1.10 V with CL40 latency determines whether the server’s memory controller will accept the kit. The 288-pin DDR5 form factor and PC5-38400 speed rating must match the platform’s qualified-vendor list exactly.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $45,725.99
Pricier than about 95% of the 21,161 comparable items (median $397.99).
Total capacity 1.5 TB (12 × 128 GB)
Higher than about 97% of the 20,941 comparable items (median 32 GB).
Price per GB $30.48 per GB
Pricier than about 87% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineASUS Server Motherboard Compatible Series Memory
Model nameASUS DDR5 4800 MHz ECC RDIMM Registered Server Memory
Part numberMR38400-744K12
Total capacity1.5 TB (12 × 128 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL40
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank4Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsASUS
In the box
Included items1.5 TB (12 × 128 GB) DDR5 4800 MHz PC5-38400 4Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

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