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Green rectangular circuit board with gold edge connectors and black memory chips

SK hynix

SK hynix HMA41GR7MFR4N-TF 8GB DDR4 2133 ECC RDIMM memory upgrade

SKU CH-V6JA-C58NX

Adds 8 GB of registered ECC DDR4 server memory at 2133 MT/s with CL15 latency

  • Total capacity8 GB
  • Rated speedDDR4 2133 (PC4 17000)
  • CAS latencyCL15
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Memory rank1Rx4
  • ECC protection guards data integrity in servers
  • Registered design reduces electrical load on memory controller
  • Single-rank 1Rx4 organisation keeps signal timing tight
  • Low 1.20 V operation cuts power draw
  • DDR4-2133 CL15 speed matches PC4-17000 spec

Server-grade DDR4 RDIMM

This 8 GB DDR4 2133 module is an ECC registered DIMM built for servers and workstations. It is not compatible with desktop or laptop PCs. The single-rank 1Rx4 organisation and 288-pin interface suit systems that require registered memory with error correction.

Low-voltage thermals

Operating at 1.20 V the module runs cool and draws minimal power during normal server workloads. Registered buffering reduces electrical load on the memory controller, helping to keep system thermals stable and fan noise low in typical rack or tower deployments.

Sustained-load stability

Under continuous operation the ECC function detects and corrects single-bit errors, preserving data integrity over long compute runs. CL15 latency and the DDR4 2133 (PC4 17000) rating deliver consistent throughput without the voltage scaling needed for higher-speed bins.

How it compares

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

Price $52.99
Cheaper than about 77% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB
Lower than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $6.62 per GB
Cheaper than about 60% 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 nameSK hynix
Model nameHynix HMA41GR7MFR4N-TF
Total capacity8 GB
Product type288-Pin DDR4 SDRAM
Performance
Rated speedDDR4 2133 (PC4 17000)
Memory
CAS latencyCL15
ECC supportYes
Buffer typeRegistered
Memory rank1Rx4
Power
Rated voltage1.2 V
Compatibility
Compatible systemsFor Server, Not For PC

Questions about this item

How do I install the 288-pin DDR4 RDIMM and which step is often missed?

Align the notch on the module with the key in the server DIMM slot, press straight down until both side clips click, and verify the motherboard detects the registered ECC module at 2133 MT/s.

What maintenance or replacement will this 1.20 V 1Rx4 module need later?

No routine maintenance is required; if a memory test eventually reports correctable ECC errors that become uncorrectable, replace the affected DIMM with an identical DDR4 2133 registered part.

What limit appears first during sustained workloads on this CL15 registered DIMM?

The JEDEC-rated 1.20 V operating voltage and CL15 latency define the thermal and timing envelope; sustained loads that push the memory controller beyond the 2133 MT/s spec will hit the rated speed ceiling first.

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