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Green circuit board DDR4 memory module with black chips and gold edge connector

SK hynix

SK hynix HMA84GR7JJR4N-WM 32GB DDR4-2933 server RAM

SKU CH-GM7V-WJ4DM MPN HMA84GR7JJR4N-WM

32 GB DDR4-2933 unbuffered server memory module with CL21 latency and 1.20 V operation

  • Total capacity32 GB
  • Rated speedDDR4 2933 (PC4 23400)
  • CAS latencyCL21
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Product type288-Pin DDR4 SDRAM
  • 32 GB capacity supports demanding server workloads
  • DDR4-2933 speed delivers high data throughput
  • CL21 latency provides responsive memory access
  • 20 V operation reduces power consumption
  • 288-pin unbuffered design fits standard DDR4 slots

32 GB DDR4-2933 server memory module

The SK hynix HMA84GR7JJR4N-WM is a 32 GB DDR4-2933 module built for server platforms. It operates at PC4-23400 speed with a CAS latency of CL21 and runs at 1.20 V. The 288-pin unbuffered DIMM is sold as a single unit.

Suits servers needing unbuffered DDR4 capacity

This module fits systems that accept unbuffered DDR4 ECC memory at 2933 MT/s. It is not for platforms that require registered or load-reduced DIMMs. Buyers who need higher densities per slot or registered signalling should look at a different specification.

Unbuffered DDR4 with ECC

The defining specification is the unbuffered DDR4 design combined with ECC support. Most server boards expect registered modules, so verify that your platform explicitly supports unbuffered ECC DIMMs before purchasing.

How it compares

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

Price $187.99
Typical for this category: the median of 6,523 items is $188.99.
Total capacity 32 GB
Typical for this category: the median of 6,064 items is 32 GB.
Price per GB $5.87 per GB
Cheaper than about 65% 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
Product lineServer Memory
Model nameHMA84GR7JJR4N-WM
Total capacity32 GB
Product type288-Pin DDR4 SDRAM
Performance
Rated speedDDR4 2933 (PC4 23400)
Memory
CAS latencyCL21
ECC supportNo
Buffer typeUnbuffered
Power
Rated voltage1.2 V

Questions about this item

What sustained-use limit appears first with this CL21 DDR4-2933 module?

The primary limit under sustained use is the CL21 latency timing at DDR4-2933 speed.

How much heat and power does this 1.20V unbuffered module produce when running all day?

It operates at 1.20V without buffering, keeping heat and power draw low for continuous operation.

What motherboard feature must I already have to install this 288-pin DDR4 stick?

You need a motherboard with 288-pin DDR4 DIMM slots that accept unbuffered memory.

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