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Black 288-pin DDR5 UDIMM module 32GB 4800 CL40 1.1V

OWC

OWC 32GB DDR5 4800 CL40 288-pin 1.1V Non-ECC UDIMM desktop RAM

SKU CH-7H9K-JAX0W

A 32 GB DDR5 desktop module running at 4800 MT/s with CL40 latency and 1.1 V operation

  • Total capacity32 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeUnbuffered
  • Recommended forDesktops
  • 32 GB capacity lets you run more apps and larger files simultaneously
  • DDR5 4800 speed with CL40 latency delivers responsive desktop performance
  • 1 V operation reduces power draw and heat output
  • 288-pin UDIMM form factor fits standard desktop motherboard slots
  • JEDEC-standard and RoHS compliant for a warranty-safe upgrade

What this 32 GB DDR5 module does

This 32 GB DDR5 4800 CL40 UDIMM adds capacity to desktops, workstations, NAS units and all-in-one PCs. It runs at 1.1 V and follows JEDEC PC5-38400 timing, so the system configures it automatically without manual tuning.

Installing the 288-pin DIMM

Align the notch on the 288-pin edge connector with the slot key, press down until the retention clips click, and the motherboard will train at 4800 MT/s. The most common issue is mixing this CL40 stick with faster or slower modules, which can force the whole kit to run at the lowest common speed or prevent boot.

Suits mainstream DDR5 upgrades

The module suits owners of DDR5 platforms that officially support 4800 MT/s CL40 and need a single 32 GB rank for multitasking or larger datasets. Builds requiring ECC, registered buffering, lower latency bins, or speeds above 4800 MT/s should choose a different part.

How it compares

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

Price $404.99
Pricier than about 81% of the 3,647 comparable items (median $90.99).
Total capacity 32 GB
Higher than about 70% of the 3,251 comparable items (median 16 GB).
Price per GB $12.66 per GB
Pricier than about 79% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameOWC
Part number4U8D52R832 GB
Total capacity32 GB
Product colorBlack
Performance
Rated speedDDR5 4800 (PC5 38400)
Memory
CAS latencyCL40
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Recommended forDesktops
More details
LED lightingNone

Questions about this item

Will this 32 GB module fit a standard 288-pin desktop DIMM slot?

Yes, it uses the 288-pin UDIMM form factor designed for desktop, workstation, NAS and all-in-one systems.

Does the module require any voltage adjustment beyond the standard 1.1 V?

No, it operates at the JEDEC-standard 1.1 V, so no manual voltage change is needed.

Can I mix this CL40 DDR5-4800 stick with faster DDR5 modules?

The system will run all modules at the speed and timings of the slowest stick, so this CL40 4800 MT/s module will set the baseline.

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