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Four green DDR5 RDIMM modules with gold contacts and black chips, no heat spreaders

NEMIX RAM

NEMIX RAM DDR5 4800 ECC RDIMM 64GB 4x16GB CL40 1.1V Supermicro H13SSL-N memory upgrade

SKU CH-XBKP-RD14Q

A 64GB kit of four 16GB DDR5 4800 ECC registered DIMMs at 1.1V CL40, validated for the Supermicro H13SSL-N motherboard

  • Total capacity64 GB (4 × 16 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 64GB 4X16GB

Show 24 more
  • 64 GB total capacity from four 16 GB modules for full server population
  • DDR5 4800 speed with CL40 latency matches the board's rated memory controller timing
  • Registered ECC RDIMM design offloads the controller and corrects single-bit errors on the fly
  • 1 V operation reduces power draw across all four slots at full load
  • Verified 288-pin fitment for Supermicro H13SSL-N motherboard memory population rules

Exact-match 64 GB DDR5-4800 kit

This 64 GB kit contains four 16 GB DDR5 4800 RDIMMs built to the Supermicro H13SSL-N memory controller's rank, voltage and timing requirements. Registered ECC operation with CL40 latency at 1.1 V lets the board recognise full capacity and run at rated speed without manual tuning.

Installation requires registered DIMM slots

The modules use the 288-pin RDIMM form factor this motherboard requires, not UDIMM or SODIMM. Population order and maximum supported capacity vary by board revision, so the system manual must be consulted before inserting modules to avoid unrecognised slots or reduced speeds.

DDR5-4800 bandwidth ceiling

The PC5-38400 interface caps theoretical throughput at the DDR5-4800 data rate, limiting peak bandwidth regardless of how many channels the CPU provides. Registered buffering and ECC add latency overhead that cannot be removed, so workloads needing lower latency or higher raw bandwidth will hit this standard's hard ceiling.

How it compares

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

Price $1,887.99
Pricier than about 67% of the 21,161 comparable items (median $397.99).
Total capacity 64 GB (4 × 16 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $29.50 per GB
Pricier than about 84% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameNEMIX RAM
Product lineNEMIX RAM Original Series Server Memory
Model nameDDR5 ECC RDIMM Registered Server Memory
Part numberMR38400-618K4
Total capacity64 GB (4 × 16 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
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items64 GB 4 × 16 GB DDR5 4800 MHz PC5-38400 1Rx8 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

How do I verify the kit runs at DDR5 4800 CL40 after installing it in my Supermicro H13SSL-N?

Enter the BIOS or UEFI and confirm the memory frequency shows 4800 MT/s with CL40 timings and 1.10 V; the registered ECC modules will also report corrected error counts as zero during POST.

What comes in the package and do I need anything else to populate the board?

The box contains the 64 GB kit as four 16 GB 288-pin RDIMMs; no extra brackets, cables or cooling are required — just install them in the slots specified by the motherboard manual.

Should I choose this 4 x 16 GB kit or a different capacity for the H13SSL-N?

This 64 GB kit (4 x 16 GB, 1Rx8, 1.1 V, CL40) matches the board's validated population rules for full-speed operation; select a different kit only if your manual lists another approved capacity or rank configuration.

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