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Green circuit board with black memory chips, gold edge connector, no heat spreader

NEMIX RAM

NEMIX RAM 16GB DDR5 4800MHz ECC Registered RDIMM CL40 1.1V 1Rx8 288-Pin Supermicro H13SSL-N memory upgrade

SKU CH-VHD1-CMZ9Q

16 GB DDR5-4800 ECC registered RDIMM, CL40 at 1.1 V, single-rank 1Rx8, 288-pin, validated for Supermicro H13SSL-N

  • Total capacity16 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 16GB

Show 24 more
  • Exact DDR5-4800 spec match ensures full-speed recognition
  • Registered ECC design prevents silent data corruption
  • 1Rx8 1.1 V layout fits Supermicro H13SSL-N slots
  • 288-pin RDIMM form factor matches board requirements
  • CL40 CAS latency delivers rated server performance

Targeted Server Upgrade

This 16 GB DDR5 RDIMM is built as an exact-match upgrade for the Supermicro H13SSL-N motherboard. It delivers the precise rank, voltage, and timing the server's memory controller expects so the module is recognised at full capacity and runs at its rated 4800 MT/s speed. System administrators expanding memory in compatible Supermicro platforms can install it with confidence that the specifications align with the board's population rules.

Enterprise-Grade Build

The module uses a 288-pin Registered DIMM form factor with ECC and a registered buffer that offloads the memory controller, allowing every slot to run fully populated at full capacity. ECC corrects single-bit errors on the fly to prevent silent data corruption and unplanned reboots before they reach production. Major OEM chips from Samsung, Micron, or Hynix provide enterprise stability without a heat spreader for standard server airflow.

Critical Specification Match

The single specification that decides fitment is the 1Rx8 Registered ECC organisation at 1.1 V with CL40 latency. The board requires this exact rank, voltage, and timing combination; a UDIMM, SODIMM, or different rank configuration will not work. Buyers who need unbuffered memory, a different voltage, or non-ECC modules cannot use this part. Consult the motherboard manual for supported capacities and approved DIMM population order before purchase.

How it compares

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

Price $465.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 16 GB
Lower than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $29.12 per GB
Pricier than about 82% 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 numberMR38400-618K1
Total capacity16 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 items16 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

What DDR5 speed and PC5 rating does this 16 GB RDIMM run at?

It operates at DDR5 4800 with a PC5-38400 data rate, so the memory controller sees the rated bandwidth without manual tuning.

Which motherboard and form factor must I have for this 288-pin module to seat correctly?

The stick is a 288-pin DDR5 RDIMM built for the Supermicro H13SSL-N; it will not fit UDIMM or SODIMM slots.

What population order does the H13SSL-N manual require when installing this 1Rx8 registered DIMM?

Follow the board manual's approved DIMM sequence — typically filling the primary channel slots first — so the registered buffer initialises and the system recognises the full 16 GB capacity.

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