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Green printed circuit board with black memory chips in a standard 288-pin UDIMM form factor

OWC

OWC 32GB DDR4 3200 CL22 1.2V 288pin UDIMM memory upgrade

SKU CH-WMEN-5MW1F

32 GB DDR4 3200 CL22 UDIMM upgrade for HP Z1 Workstation G5, G6 and G8 models

  • Capacity32GB
  • Type288-Pin DDR4 Non-ECC UDIMM
  • SpeedDDR4 3200 (PC4 25600)
  • CAS LatencyCL22
  • Voltage1.2V
  • ECCNo
  • 32 GB capacity lets you run more apps simultaneously
  • DDR4 3200 speed with CL22 latency delivers responsive data access
  • 2 V operation reduces power draw and heat output
  • 288-pin UDIMM form factor fits HP Z1 Workstation G5, G6 and G8 models
  • JEDEC and RoHS compliance ensures a warranty-safe upgrade

32GB DDR4 3200 UDIMM for HP Z1 Workstations

This 32GB DDR4 3200 CL22 module is built for HP Z1 Workstation G5, G6 and G8 systems in both SFF and Tower configurations. It targets professionals who need more memory capacity for multitasking and larger datasets on these specific workstations. The non-ECC unbuffered design matches the factory memory specification for the listed models.

Tool-free DIMM installation

Installation follows the standard UDIMM procedure: power down, open the chassis, align the 288-pin key and press until the latches click. No heat spreader is fitted, so clearance is minimal. The module runs at 1.2V and will clock down to 2133, 2400, 2666 or 2933MHz if the system requires a lower speed.

Verify slot count and maximum memory per system

Before ordering, confirm how many DIMM slots your Z1 model provides and the maximum total memory the motherboard and BIOS support. Some SFF variants have fewer slots than the Tower version. Mixing this 2Rx8 rank module with existing sticks of different rank or latency may affect stability, so check the current configuration first.

Highlights

  • 32 GB capacity lets you run more apps simultaneously
  • DDR4 3200 speed with CL22 latency delivers responsive data access
  • 2 V operation reduces power draw and heat output
  • 288-pin UDIMM form factor fits HP Z1 Workstation G5, G6 and G8 models
  • JEDEC and RoHS compliance ensures a warranty-safe upgrade

Specifications

BrandOWC
Part Number3U2D42R832GB
Capacity32GB
Type288-Pin DDR4 Non-ECC UDIMM
SpeedDDR4 3200 (PC4 25600)
CAS LatencyCL22
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
Heat SpreaderNo
Compatible SystemHP Z1 Workstation G6
HP Z1 Workstation G8
HP Z1 Workstation G5 SFF
HP Z1 Workstation G5 Tower
HP Z1 Workstation G8 SFF

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Questions about this item

How can I confirm the 32GB DDR4 3200 CL22 module is running at the correct speed after installation?

Enter the system BIOS or UEFI and verify the memory frequency reads 3200MHz (PC4-25600) with CL22 timings at 1.2V.

What comes in the box with the OWC 3U2D42R832GB kit and do I need any extra parts for my HP Z1 Workstation?

The package contains the single 32GB 288-pin UDIMM; no cables, tools or additional components are required for the supported HP Z1 G5, G6 and G8 models.

Should I choose this 32GB CL22 stick or a lower-capacity version for my HP Z1 G8 SFF?

Select this 32GB module when you need maximum capacity per slot; the CL22 latency and 1.2V operation match the workstation's DDR4 3200/2933/2666/2400/2133 backward-compatible specification.

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