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Eight black DDR4 UDIMM sticks in a row

OWC

OWC 32GB (8x4GB) DDR4 2133MHz CL15 desktop RAM

SKU CH-XZNT-1E0ZP

Eight 4 GB modules give 32 GB of DDR4 2133 MHz CL15 memory at 1.2 V for desktop upgrades

  • Total capacity32 GB (8 × 4 GB)
  • Rated speedDDR4 2133 (PC4 17000)
  • CAS latencyCL15
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Kit configurationDual Channel Kit

Capacity 32GB (8 x 4GB)

  • 32 GB total capacity from eight 4 GB modules for heavy multitasking
  • DDR4 2133 MHz CL15 timing keeps data flowing to the CPU
  • 2 V operation reduces system power draw and heat
  • 288-pin unbuffered UDIMM fits standard desktop DIMM slots
  • JEDEC and RoHS compliant for reliable, warranty-safe upgrades

32GB DDR4 2133MHz Kit for Desktop Upgrades

This kit contains eight 4GB modules that total 32GB of DDR4 memory running at 2133MHz with CL15 latency. It is built for desktop PCs, workstations and NAS systems that accept unbuffered non-ECC UDIMMs. The 1.2V operating voltage matches the standard JEDEC specification for DDR4.

Tool-Free Installation with Standard Slot Alignment

Each 288-pin module fits the regular DDR4 DIMM slot found on most desktop motherboards, so no special tools are required. The main risk is mixing these CL15 sticks with existing memory that has different timings or voltages, which can prevent the system from posting. Populating all eight slots also places more load on the memory controller and may force the board to run at a lower speed.

DDR4 2133MHz JEDEC Limits Define the Ceiling

The PC4-17000 rating means the modules are guaranteed only at the base 2133MHz data rate with CL15 timings at 1.2V. Any attempt to run faster speeds or tighter latencies exceeds the JEDEC specification and depends entirely on motherboard capability and silicon quality. Eight ranks on a dual-channel controller can further restrict the maximum stable frequency.

How it compares

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

Price $194.99
Pricier than about 67% of the 3,647 comparable items (median $90.99).
Total capacity 32 GB (8 × 4 GB)
Higher than about 70% of the 3,251 comparable items (median 16 GB).
Price per GB $6.09 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 number2U1D41R8032K
Total capacity32 GB (8 × 4 GB)
Product colorBlack
Performance
Rated speedDDR4 2133 (PC4 17000)
Memory
CAS latencyCL15
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

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Questions about this item

How do I confirm the OWC 32GB kit is running at 2133MHz CL15 after installation?

Enter the system BIOS or UEFI and open the memory information screen; it should report DDR4 2133 speed, PC4-17000 data rate and CL15 latency for each of the eight modules.

What exactly ships in the OWC 32GB package and what must I source separately?

The box contains eight black 4GB unbuffered 288-pin UDIMM modules rated at 1.2V; no heat spreaders, cables, tools or software are included, and nothing else is required for a standard desktop DIMM slot.

The listing shows a single 32GB (8x4GB) dual-channel kit — how do I decide if this capacity is right for my build?

Choose this kit when your motherboard has eight DDR4 slots and you need the full 32GB maximum; if the board only supports four slots, a 4x8GB kit would be more appropriate.

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