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Single black 288-pin DDR4 UDIMM module without heat spreader

OWC

OWC 32GB DDR4 3200MHz CL22 2RX8 Non-ECC UDIMM 1.2V 288-pin Desktop RAM

SKU CH-3GHR-XWW8E

A 32GB DDR4 3200MHz CL22 UDIMM module for desktop PCs, workstations and NAS systems

  • Total capacity32 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latencyCL22
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Recommended forDesktops

Capacity 32GB

  • Boosts system responsiveness with 32GB high-capacity DDR4
  • Speeds up data handling at 3200MHz PC4-25600
  • Runs cooler and efficient at 1.2V low voltage
  • Works in older boards with 2133MHz backward compatibility
  • Ready for DIY install in standard 288-pin desktop slots

Capacity and Compatibility

This is a single 32GB DDR4 UDIMM rated at 3200MHz with CL22 latency. It targets desktop PCs, workstations and NAS systems that accept standard 288-pin unbuffered non-ECC memory. The module runs at 1.2V and follows JEDEC PC4-25600 specifications.

Build and Installation

The black PCB has no heat spreader and no LEDs, keeping the profile low for tight DIMM slots. A 288-pin edge connector ensures standard keyed insertion on any compatible motherboard. Installation is a straightforward DIY task that requires no tools beyond opening the case.

Speed Limits and Backward Use

The DDR4 interface tops out at 3200MHz on this module, so the system memory controller will not run it faster. It will automatically down-clock to 2133MHz, 2400MHz, 2666MHz or 2933MHz when paired with slower platforms or mixed with existing sticks.

How it compares

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

Price $192.99
Pricier than about 67% 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 $6.03 per GB
Cheaper than about 58% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameOWC
Part number3U2D42R832 GB
Total capacity32 GB
Product colorBlack
Performance
Rated speedDDR4 3200 (PC4 25600)
Memory
CAS latencyCL22
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Recommended forDesktops
More details
LED lightingNone

Other versions of this model

5 more in the same range

Questions about this item

Does the DDR4 3200 PC4-25600 rating cap the speed if my motherboard only supports 2666?

The module is backward compatible with 2133MHz, 2400MHz, 2666MHz and 2933MHz systems, so it will run at the highest speed your board allows.

Will this 288-pin UDIMM fit a standard desktop DIMM slot without a heat spreader?

Yes, it uses the standard 288-pin unbuffered DIMM form factor and has no heat spreader, so it fits any desktop DDR4 slot with normal clearance.

What is the correct way to seat the module, and what step do people often miss?

Align the notch with the slot key, press down firmly until both side clips click locked, and verify the module sits evenly — the most common mistake is stopping before the clips engage.

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