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Green PCB DDR4 server memory module with black heat spreader and gold contacts

SK hynix

SK hynix HMA84GR7MFR4N-TF 32GB DDR4-2133 ECC Registered CL15 1.2V server RAM

SKU CH-ECDD-RX1JQ

32 GB DDR4-2133 ECC registered server memory with Hynix chips, CL15 latency and 1.2 V operation

  • Total capacity32 GB
  • Rated speedDDR4 2133 (PC4 17000)
  • CAS latencyCL15
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Product type288-Pin DDR4 SDRAM
  • 32 GB capacity supports large virtualisation workloads
  • Registered ECC design protects data integrity in critical servers
  • CL15 latency at 2133 MT/s delivers responsive throughput
  • 2 V operation reduces power draw per module
  • 288-pin DDR4 form factor fits standard server slots

32GB DDR4-2133 ECC Registered Module

This 32GB DDR4-2133 module adds 32GB of registered ECC memory to compatible server boards. It runs at 2133 MT/s with CL15 latency at 1.20V and uses a 288-pin dual-rank x4 organisation. The registered buffer helps signal integrity when populating multiple slots per channel.

Upgrading from non-ECC or unbuffered DDR4

Replacing non-ECC or unbuffered DDR4 with this registered ECC module enables error correction and supports higher total capacities per channel. The jump is worth it when the platform requires registered DIMMs and the workload cannot tolerate silent data corruption. Buyers who need non-ECC memory for consumer desktop boards cannot use this module.

Installation and common issues

Align the notch with the 288-pin slot key and press until the latches engage; no tools are required. The most common issue is mixing registered and unbuffered DIMMs on the same channel, which prevents the system from posting. Verify that the server BIOS supports the 4G x 72 density before installing.

How it compares

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

Price $100.99
Cheaper than about 69% of the 6,523 comparable items (median $188.99).
Total capacity 32 GB
Typical for this category: the median of 6,064 items is 32 GB.
Price per GB $3.16 per GB
Cheaper than about 88% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Total capacity32 GB
Product type288-Pin DDR4 SDRAM
Performance
Rated speedDDR4 2133 (PC4 17000)
Memory
CAS latencyCL15
ECC supportYes
Buffer typeRegistered
Power
Rated voltage1.2 V

Questions about this item

Does the 288-pin DDR4 form factor fit my server's DIMM slots?

Yes, the module uses the standard 288-pin DDR4 layout required by registered DDR4 server platforms.

Do I need to populate specific slots first when installing this registered ECC module?

Install modules in the slots designated by your motherboard manual for registered memory; skipping the primary channel slots is the common error.

Will the Hynix DRAM chips on this module require any firmware updates or periodic replacement?

No, the memory chips are passive components with no firmware and no scheduled replacement interval.

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