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Four green DDR5 RDIMM sticks, no heat spreaders, 288-pin edge connectors

NEMIX RAM

NEMIX RAM 256GB (4×64GB) DDR5 4800 CL40 ECC RDIMM THINKMATE memory upgrade

SKU CH-CPZJ-5WT5P

256 GB kit of four 64 GB DDR5 ECC registered DIMMs running at 4800 MHz with CL40 latency for ThinkMate rackmount servers

  • Total capacity256 GB (4 × 64 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 256 GB total capacity across four 64 GB modules
  • DDR5 4800 speed rated at PC5-38400 bandwidth
  • ECC registered design protects data integrity in servers
  • 1 V operating voltage lowers power draw
  • 288-pin RDIMM form factor fits ThinkMate RAX-XS4-21S4

Compatible 256GB DDR5 ECC RDIMM Kit

This 256GB kit contains four 64GB DDR5 4800 registered DIMMs built for THINKMATE rackmount servers. Each module operates at 1.10V with a CAS latency of CL40 and uses a 2Rx4 organisation. The registered design adds a buffer that helps the memory controller maintain signal integrity across all populated slots.

Suited for THINKMATE RAX-XS4-21S4 expansion

Administrators expanding a THINKMATE RAX-XS4-21S4 server will find the kit validated for that platform. The 288-pin DDR5 form factor and registered ECC feature set match the system requirements. Builders working with consumer motherboards or unbuffered DIMM slots cannot use these modules.

Registered ECC DDR5 4800 specification

The registered ECC DDR5 4800 specification is the single detail that decides fit. The modules provide error correction and buffering required by the server chipset. A system expecting unbuffered non-ECC memory will not accept this kit.

How it compares

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

Price $6,845.99
Pricier than about 83% of the 21,161 comparable items (median $397.99).
Total capacity 256 GB (4 × 64 GB)
Higher than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $26.74 per GB
Pricier than about 74% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineTHINKMATE Server/Workstation Compatible Series Memory
Model nameTHINKMATE DDR5 4800 MHz ECC RDIMM Registered Server Memory
Part numberMR38400-924K4
Total capacity256 GB (4 × 64 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 rank2Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsTHINKMATE
In the box
Included items256 GB (4 × 64 GB) DDR5 4800 MHz PC5-38400 2Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

Should I choose the 256GB kit with four 64GB modules or a different capacity for my Thinkmate server?

The 256GB kit provides four 64GB modules that fill four slots at once, giving maximum capacity per channel for the Thinkmate RAX-XS4-21S4 platform.

What does the DDR5 4800 CL40 rating deliver in actual server workloads?

At 4800 MT/s with CL40 latency, the modules provide high bandwidth for multi-threaded applications while ECC corrects single-bit errors to maintain data integrity.

How does the 288-pin DDR5 RDIMM interface limit performance on this platform?

The registered 288-pin DDR5 interface supports 4800 MT/s operation at 1.1V, with the memory controller determining the final speed ceiling for the Thinkmate server.

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