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Two green DDR5 RDIMM sticks without heat spreaders, 288-pin, 256GB kit

NEMIX RAM

NEMIX RAM DDR5 4800 256GB (2x128GB) CL40 2Rx4 1.1V ECC RDIMM Supermicro H13SSL-N memory upgrade

SKU CH-ZYY2-3SQ6M

A 256 GB DDR5 ECC registered DIMM kit running at 4800 MT/s with CL40 latency and 1.1 V operation for the Supermicro H13SSL-N

  • Total capacity256 GB (2 × 128 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 256GB 2X128GB

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  • Exact-match 256 GB DDR5-4800 kit runs at rated speed
  • Verified fit for Supermicro H13SSL-N motherboard
  • Registered ECC architecture prevents silent data corruption
  • 2Rx4 1.1 V CL40 modules recognised at full capacity
  • Lifetime replacement warranty with US-based technical support

256GB DDR5 4800 ECC RDIMM kit

This 256GB kit contains two 128GB DDR5 4800 RDIMM modules built for the Supermicro H13SSL-N motherboard. Each module runs at 1.1V with CL40 latency and a 2Rx4 registered layout. The registered design offloads the memory controller so every slot operates at full capacity. ECC corrects single-bit errors on the fly to stop silent data corruption.

Server builders needing registered ECC at rated

This kit suits administrators who must populate the H13SSL-N with the exact rank, voltage and timing the board expects. Builders using unbuffered UDIMMs or consumer memory will not meet the board's registered requirement. Systems that cannot accept 2Rx4 registered DIMMs or that need a different speed grade should look elsewhere.

DDR5 4800 2Rx4 registered ECC specification

The single specification that decides fitment is the DDR5 4800 2Rx4 registered ECC RDIMM profile at 1.1V and CL40. The H13SSL-N only recognises modules that match this exact profile. If your board demands a different rank, voltage, latency or form factor, this kit will not be detected or will run at reduced capacity.

How it compares

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

Price $8,399.99
Pricier than about 85% of the 21,161 comparable items (median $397.99).
Total capacity 256 GB (2 × 128 GB)
Higher than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $32.81 per GB
Pricier than about 90% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineNEMIX RAM Original Series Server Memory
Model nameDDR5 ECC RDIMM Registered Server Memory
Part numberMR38400-724K2
Total capacity256 GB (2 × 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
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items256 GB 2 × 128 GB DDR5 4800 MHz PC5-38400 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

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Questions about this item

Does the 256GB kit ship as two 128GB RDIMMs or must I buy a second module?

The kit includes two 128GB DDR5 4800 CL40 2Rx4 registered ECC RDIMMs; no additional modules are needed for the full 256GB capacity.

Should I choose this 2Rx4 CL40 kit or a different rank or latency for the H13SSL-N?

This 2Rx4 CL40 1.1V registered ECC kit matches the Supermicro H13SSL-N memory controller specification, so it will be recognised at full speed and capacity.

Will the DDR5 4800 rating actually run at 4800 MT/s once installed in the server?

Yes, the modules are spec-matched to the board's population rules and operate at DDR5 4800 (PC5-38400) with CL40 timing at 1.1V when fully populated.

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