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

OWC

OWC 2U1D42R816GB 16GB DDR4 2133MHz CL15 1.2V 288pin UDIMM memory upgrade

SKU CH-ZAS7-J8V38

A 16 GB DDR4 2133 MHz CL15 UDIMM built for HP ProDesk 400 G3, 490 G3 and 600 G2 systems

  • Total capacity16 GB
  • Rated speedDDR4 2133 (PC4 17000)
  • CAS latencyCL15
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Memory rank2Rx8
  • 16 GB capacity for smoother multitasking
  • DDR4 2133 MHz CL15 for responsive system speed
  • 2 V low-voltage operation reduces power draw
  • 288-pin UDIMM fits listed HP ProDesk models
  • JEDEC and RoHS compliant for reliable compatibility

HP ProDesk 400 G3 490 G3 600 G2 compatible DDR4

This 16GB DDR4 2133MHz CL15 module is built for HP ProDesk 400 G3 SFF, 400 G3 Tower, 490 G3, 600 G2 SFF and 600 G2 Tower systems. It delivers a straightforward capacity increase for everyday office workloads. The unbuffered non-ECC design matches the factory memory specification for these platforms.

Capacity headroom for multitasking and larger files

The 16GB capacity lets you keep more applications and larger documents open simultaneously without hitting the system limit. Performance scales smoothly until the memory ceiling is reached, at which point the OS must swap to storage.

JEDEC compliant upgrade

The module meets JEDEC standard specifications and is ROHS compliant, ensuring a warranty-safe installation. OWC provides a limited lifetime warranty with free technical support and an advanced replacement programme. No heat spreader is included, keeping the profile low for small form factor chassis.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $90.99
Cheaper than about 69% of the 21,161 comparable items (median $397.99).
Total capacity 16 GB
Lower than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $5.69 per GB
Cheaper than about 68% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number2U1D42R816 GB
Total capacity16 GB
Product type288-Pin DDR4 Non-ECC UDIMM
Performance
Rated speedDDR4 2133 (PC4 17000)
Memory
CAS latencyCL15
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsHP ProDesk 400 G3 SFF
HP ProDesk 400 G3 Tower
HP ProDesk 490 G3
HP ProDesk 600 G2 SFF
HP ProDesk 600 G2 Tower

Other versions of this model

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Questions about this item

Will the 16GB DDR4 2133MHz CL15 1.2V 288pin UDIMM run alongside my existing DDR4 2133MHz sticks in an HP ProDesk 400 G3 SFF?

Yes — the module is JEDEC-standard DDR4 2133 PC4-17000 CL15 1.2V unbuffered non-ECC, so it will match the speed and timing of identical DDR4 2133MHz memory already installed in the ProDesk 400 G3 SFF.

How can I confirm the 16GB DDR4 2133MHz CL15 1.2V 288pin UDIMM is recognised at full speed after installation?

Enter the BIOS or use CPU-Z; the memory should report 16GB capacity, DDR4 2133MHz (PC4-17000) and CAS latency 15 at 1.2V.

Does the 16GB DDR4 2133MHz CL15 1.2V 288pin UDIMM ship with a heat spreader or any tools, or must I buy them separately?

The module has no heat spreader and no tools are included; only the UDIMM itself is in the box.

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