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Green 288-pin DDR4 LRDIMM module with black chips, no heat spreader

OWC

OWC 32GB DDR4 2400MHz CL17 4Rx4 ECC Load Reduced LRDIMM server RAM

SKU CH-J8DA-X4G25

32GB DDR4-2400 ECC LRDIMM for servers and workstations, CL17 at 1.2V, 4Rx4 rank, backward compatible to 2133MHz

  • Total capacity32 GB
  • Rated speedDDR4 2400 (PC4 19200)
  • CAS latencyCL17
  • Rated voltage1.2 V
  • Buffer typeLoad Reduced
  • Memory rank4Rx4

Capacity 32GB

  • ECC error correction protects server data integrity
  • Load-reduced design enables higher 32GB capacity per module
  • JEDEC 100% compliant ensures warranty-safe upgrades
  • Backward compatible with 2133MHz DDR4 systems
  • Low 1.2V voltage reduces server power draw

Server-grade DDR4 LRDIMM for enterprise workloads

This 32GB OWC module uses DDR4 2400MHz CL17 load-reduced ECC technology on a 288-pin form factor. It targets administrators upgrading servers, workstations or NAS systems that require registered memory with error correction. The single 32GB stick operates at 1.2V and carries a 4Rx4 rank configuration for high-density slots.

Load-reduced design limits mixing and platform fit

LRDIMM architecture buffers both data and address lines, so this module cannot be combined with unbuffered or standard registered DIMMs in the same system. It runs at PC4-19200 speed and will downclock to 2133MHz when the platform demands it. JEDEC compliance ensures baseline interoperability, but the memory controller must explicitly support load-reduced topology.

Verify slot type, rank allowance

Before ordering, confirm your motherboard accepts 288-pin DDR4 LRDIMMs and permits 4Rx4 modules in the target slots. Check the qualified vendor list for 32GB density at 2400MHz and note any channel-population limits that restrict total rank count per channel. Mixing with other rank counts or unbuffered memory is not supported.

How it compares

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

Price $196.99
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 $6.16 per GB
Cheaper than about 62% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameOWC
Part number2L4D44R432 GB
Total capacity32 GB
Product type288-Pin DDR4 ECC LRDIMM
Performance
Rated speedDDR4 2400 (PC4 19200)
Memory
CAS latencyCL17
ECC supportYes
Buffer typeLoad Reduced
Memory rank4Rx4
Heat spreaderNo
Power
Rated voltage1.2 V

Other versions of this model

5 more in the same range

Questions about this item

Is this a single 32GB module or a kit of multiple sticks?

It is a single 32GB DDR4 2400MHz PC4-19200 CL17 4Rx4 ECC Load Reduced LRDIMM 1.2V 288-pin module.

Will the 2400MHz speed actually run at that frequency in my server?

The module is rated for DDR4 2400 (PC4-19200) CL17 and also compatible with 2133MHz systems, running at the speed your platform supports.

What does the Load Reduced ECC LRDIMM interface mean for my system?

Load Reduced ECC LRDIMM reduces electrical load on the memory bus, allowing higher capacity per channel in servers and workstations; it cannot be mixed with unbuffered memory.

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