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Green circuit board with black memory chips, no heat spreader, gold edge connector, standard UDIMM length

OWC

OWC 8GB DDR4 2666 CL19 1.2V UDIMM Dell OptiPlex 7070 SFF Tower

SKU CH-H40B-5P8MF

Adds 8 GB of DDR4 2666 MHz CL19 memory to Dell OptiPlex 7070 SFF or Tower systems

  • Capacity8GB
  • Type288-Pin DDR4 Non-ECC UDIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.2V
  • ECCNo
  • 8GB capacity adds multitasking headroom for daily workloads
  • DDR4 2666 speed matches Dell OptiPlex 7070 SFF and Tower specs
  • CL19 latency at 1.2V keeps power draw low
  • 288-pin unbuffered non-ECC design fits straight into desktop DIMM slots
  • JEDEC and RoHS compliant for a warranty-safe upgrade

Dell OptiPlex 7070 SFF and Tower upgrade

This 8GB DDR4 2666 CL19 UDIMM is built for Dell OptiPlex 7070 SFF and Tower desktops. It suits office workers and IT teams who need a simple capacity boost for everyday multitasking. The module runs at 1.2V and meets JEDEC standard specifications. It is not for buyers who need ECC error correction or registered memory.

JEDEC compliance and backward compatibility

The stick is 100% compliant with JEDEC standards and RoHS requirements, making it a warranty-safe upgrade. Backward compatibility with 2133MHz and 2400MHz systems allows it to work in older Dell platforms without manual configuration. No heat spreader is included, keeping the profile low for tight small-form-factor chassis.

Tool-free DIMM slot installation

Installation is a straightforward DIY task: open the case, align the 288-pin notch, and press until the retention clips click. The most common issue is seating the module unevenly, which causes a no-post condition. Reseating firmly usually resolves it. Systems with all slots filled may require removing an existing stick first.

Highlights

  • 8GB capacity adds multitasking headroom for daily workloads
  • DDR4 2666 speed matches Dell OptiPlex 7070 SFF and Tower specs
  • CL19 latency at 1.2V keeps power draw low
  • 288-pin unbuffered non-ECC design fits straight into desktop DIMM slots
  • JEDEC and RoHS compliant for a warranty-safe upgrade

Specifications

BrandOWC
Part Number2U6D41R808GB
Capacity8GB
Type288-Pin DDR4 Non-ECC UDIMM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
Rank1Rx8
Heat SpreaderNo
Compatible SystemDell OptiPlex 7070 SFF
Dell OptiPlex 7070 Tower

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Questions about this item

Will the 1Rx8 rank configuration require any future adjustment or replacement?

The module uses a fixed 1Rx8 organisation that does not change over time; no maintenance or replacement of the rank structure is needed.

What limit appears first when the UDIMM runs continuously at 2666 MHz?

The JEDEC-defined DDR4 2666 speed rating is the ceiling; the module cannot exceed this frequency under sustained load.

How much heat and power does the 1.2 V stick produce during all-day operation?

At the standard 1.2 V the module draws minimal power and runs without a heat spreader, so thermal output stays low in a Dell OptiPlex 7070 chassis.

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