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Green 288-pin DDR4 DIMM with black chips, 16GB ECC unbuffered server memory

SK hynix

SK hynix HMA82GU7AFR8N-UH 16GB 2Rx8 DDR4-2400 CL17 ECC Unbuffered Server Memory

SKU CH-R17J-B1GQC

16GB DDR4-2400 ECC unbuffered DIMM with 2Rx8 organisation and CL17 latency for server workloads

  • Total capacity16 GB
  • Rated speedDDR4 2400 (PC4 19200)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL17
  • Rated voltage1.2 V
  • ECC supportChipkill
  • ECC Chipkill protection guards data integrity
  • 2400 MHz DDR4 speed feeds server workloads
  • 16 GB capacity expands memory headroom
  • 20 V operation reduces power draw
  • 288-pin unbuffered DIMM fits standard server slots

Server memory module

This is a 16 GB DDR4 UDIMM rated at 2400 MT/s with CL17 latency and 1.20 V operation. It carries ECC Chipkill protection in an unbuffered, 2Rx8 configuration on a 288-pin PCB. The stick is sold new and individually tested.

Builders needing ECC on consumer platforms

The module suits workstation or entry-level server boards that accept unbuffered ECC DDR4. It will not work in systems that require registered or load-reduced DIMMs, nor in laptops or non-ECC consumer desktops that lack ECC support in the memory controller.

Capacity and rank

The single 16 GB, dual-rank stick populates one slot and runs at DDR4-2400 CL17; verify that your motherboard supports 2Rx8 unbuffered ECC at this density before purchase.

How it compares

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

Price $124.99
Cheaper than about 60% of the 6,523 comparable items (median $188.99).
Total capacity 16 GB
Lower than about 60% of the 6,064 comparable items (median 32 GB).
Price per GB $7.81 per GB
Pricier than about 55% of the 6,064 comparable items (median $7.25 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 nameHynix
Model nameHMA82GU7AFR8N-UH
Total capacity16 GB
Product type288-Pin DDR4 SDRAM
Performance
Rated speedDDR4 2400 (PC4 19200)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL17
ECC supportChipkill
Buffer typeUnbuffered
Memory rank2Rx8
Kit configurationDual Channel Kit
Power
Rated voltage1.2 V

Questions about this item

How can I confirm the 16GB DDR4-2400 CL17 ECC unbuffered module is running at its rated speed and timings after installation?

Enter the system BIOS or UEFI and verify the memory frequency shows 2400 MHz, CAS latency reads 17, and ECC is reported as active; CPU-Z or dmidecode will also display 1.20 V and 2Rx8 organisation.

What exactly ships in the box and do I need any extra cables, brackets or software for this 288-pin ECC DIMM?

The package contains one 16 GB 2Rx8 PC4-19200E DDR4-2400 288-pin ECC unbuffered DIMM; no cables, brackets, drivers or additional hardware are required for installation.

Which version should I choose if my server manual specifies PC4-19200E DDR4-2400 ECC unbuffered memory in a 2Rx8 configuration?

This exact module matches that specification — 16 GB, DDR4-2400, CL17, 1.20 V, 2Rx8, ECC Chipkill, unbuffered, 288-pin — so select this part number.

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