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Two black DDR4 UDIMM sticks without heat spreaders

OWC

OWC 16GB (2x8GB) DDR4 2400 CL17 UDIMM Desktop RAM

SKU CH-M5QY-9B5WH

A 16 GB dual-channel DDR4 2400 kit with CL17 latency, 1.2 V operation and 288-pin unbuffered modules for desktop upgrades

  • Total capacity16 GB (2 × 8 GB)
  • Rated speedDDR4 2400 (PC4 19200)
  • CAS latencyCL17
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Kit configurationDual Channel Kit

Capacity 16GB (2 x 8GB)

  • Dual-channel 16 GB kit speeds up multitasking
  • JEDEC-standard DDR4 2400 CL17 ensures broad compatibility
  • Low 1.2 V voltage reduces power draw
  • Unbuffered 288-pin UDIMM fits standard desktop slots
  • OWC lab-tested modules deliver reliable long-term operation

16GB dual-channel DDR4 kit

This 16GB kit contains two 8GB unbuffered UDIMMs built to JEDEC DDR4 2400 CL17 specifications. It targets desktop owners who want a straightforward capacity increase without overclocking or additional voltage tuning.

2400 MT/s CL17 capacity and headroom

The modules run at 1.2 V and deliver PC4-19200 bandwidth, handling everyday multitasking, office suites and media playback with ease. Heavy workloads such as large-scale video editing or virtualisation clusters will exhaust the 16GB ceiling before the speed rating becomes the limiting factor.

JEDEC compliance and lifetime support

Full JEDEC and RoHS compliance means the kit installs safely in OEM systems without voiding the original warranty. OWC backs the modules with a limited lifetime warranty, an advanced replacement programme and free technical support for the life of the product.

How it compares

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

Price $88.99
Typical for this category: the median of 3,647 items is $90.99.
Total capacity 16 GB (2 × 8 GB)
Typical for this category: the median of 3,251 items is 16 GB.
Price per GB $5.56 per GB
Cheaper than about 64% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameOWC
Part number2U4D42R8016P
Total capacity16 GB (2 × 8 GB)
Product colorBlack
Performance
Rated speedDDR4 2400 (PC4 19200)
Memory
CAS latencyCL17
ECC supportNo
Buffer typeUnbuffered
Kit configurationDual Channel Kit
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

Will these 2400MHz CL17 DDR4 modules run alongside my existing DDR4 sticks?

They follow JEDEC DDR4 2400 specifications so the system will negotiate a common speed and timing with other JEDEC DDR4 memory; matching capacity and manufacturer is recommended for best results.

How can I verify the kit is operating at 2400MHz CL17 after installation?

Open Task Manager or a hardware monitor and confirm the memory speed reads 2400MHz and CAS latency shows CL17; the dual-channel kit should also report 16GB total across two 8GB modules.

What does the 16GB (2x8GB) DDR4 2400 CL17 UDIMM package include, and what must I buy separately?

The box contains two black 288-pin unbuffered non-ECC UDIMMs rated at 1.2V; no heat spreaders, cables, tools or software are included, so have a Phillips screwdriver ready for the motherboard slots.

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