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Green circuit board with black memory chips and gold edge connector

SK hynix

SK hynix HMA41GR7AFR8N-TF 8GB DDR4 2133 CL15 ECC desktop RAM

SKU CH-127J-AV034 MPN HMA41GR7AFR8N-TF

8GB DDR4 desktop module with 288-pin DIMM form factor, 2133 MT/s speed and CL15 ECC for error-correcting reliability

  • Total capacity8 GB
  • Rated speedDDR4 2133 (PC4 17000)
  • CAS latencyCL15
  • Rated voltage1.2 V
  • ECC protects data integrity with error-correcting code
  • 2133 MHz DDR4 speed rated at PC4 17000
  • CL15 latency for responsive system performance
  • 20 V operation reduces power draw and heat
  • Single 8 GB module in 288-pin DIMM form factor

8GB DDR4 2133 ECC DIMM

This SK hynix module provides 8GB of DDR4 memory at 2133 MT/s with a CAS latency of 15. It operates at 1.20V and includes error-correcting code for data integrity. The single 288-pin DIMM fits standard desktop slots.

Upgrade from non-ECC or lower capacity

Replacing non-ECC memory with this module adds error detection and correction for workloads that value stability. The jump is worth it when a system supports ECC and the user needs protection against single-bit errors without moving to registered memory.

Suits ECC-capable desktop builds

Builders with motherboards that support unbuffered ECC DDR4 can use this module for workstations or entry-level servers. Buyers who need higher speeds, larger capacities per slot, or registered memory should look at other options.

How it compares

Measured against everything we stock in Desktop RAM, at today’s prices. Recalculated every night.

Price $46.99
Cheaper than about 68% of the 3,647 comparable items (median $90.99).
Total capacity 8 GB
Lower than about 60% of the 3,251 comparable items (median 16 GB).
Price per GB $5.87 per GB
Cheaper than about 60% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameHynix
Part numberHMA41GR7AFR8N-TF
Total capacity8 GB
Performance
Rated speedDDR4 2133 (PC4 17000)
Memory
CAS latencyCL15
ECC supportYes
Power
Rated voltage1.2 V

Questions about this item

Will the 288-pin DIMM fit a standard DDR4 motherboard slot?

The module uses the standard 288-pin DDR4 DIMM form factor, so it fits any desktop board with a matching DDR4 slot.

Is there a specific orientation step that people often miss when installing this HMA41GR7AFR8N-TF stick?

Align the notch on the module’s gold edge with the key in the slot, press down evenly until both side clips click shut.

Does the ECC function on this 8GB DDR4 2133 module require any periodic maintenance or replacement?

ECC is a hardware feature of the DRAM chips; no maintenance or replacement is needed beyond normal system care.

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