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Green circuit board with black memory chips and gold edge connectors

OWC

OWC 32GB DDR4 2400 PC4-19200 CL17 4Rx4 288-pin 1.2V ECC LRDIMM server RAM

SKU CH-R8C9-X8FQP

A 32GB DDR4 2400 ECC LRDIMM module with CL17 timing and 1.2V operation for servers and workstations

  • Total capacity32 GB
  • Rated speedDDR4 2400 (PC4 19200)
  • CAS latencyCL17
  • Rated voltage1.2 V
  • Buffer typeLoad Reduced
  • Memory rank4Rx4
  • ECC load-reduced design protects data integrity in servers
  • 32 GB capacity expands memory for heavy workloads
  • DDR4 2400 MHz speed matches PC4-19200 bandwidth
  • 2 V operation reduces power draw per module
  • JEDEC and RoHS compliant for warranty-safe upgrades

Purpose-built server memory

This 32 GB DDR4 ECC LRDIMM runs at 2400 MHz with a CL17 latency and 1.2 V operation. The load-reduced, 4Rx4 organisation targets workstations, servers and NAS appliances that require registered error-correcting modules. It will not function in standard desktop boards or alongside unbuffered DIMMs.

Build integration

The 288-pin form factor slots directly into compatible DDR4 server channels and is backward compatible with 2133 MHz buses. JEDEC and RoHS compliance means the module meets OEM specifications without requiring BIOS changes or voltage tweaks. Builders who need consumer desktop memory or non-ECC unbuffered DIMMs should look elsewhere.

Thermals and power

Operating at the standard 1.2 V DDR4 voltage keeps power draw low and heat output minimal even under sustained server workloads. No heat spreader is fitted, relying on chassis airflow for cooling. The load-reduced design reduces electrical loading on the memory controller, helping maintain signal integrity without adding thermal burden.

How it compares

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

Price $194.99
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 $6.09 per GB
Cheaper than about 63% 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

Questions about this item

Does the CL17 latency limit throughput when the module runs at 2400 MT/s all day?

CL17 is the rated timing for DDR4-2400 operation; the module delivers its specified bandwidth at that latency.

How much heat does a 1.2 V LRDIMM produce inside a fully populated server chassis?

At 1.2 V the module runs at standard DDR4 voltage; load-reduced buffering lowers electrical load on the memory bus, helping thermals in dense configurations.

What motherboard feature must my system already support for this 288-pin ECC LRDIMM to function?

The platform must provide a DDR4 RDIMM/LRDIMM slot with ECC and load-reduced support; standard desktop boards cannot use this module.

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