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Four black DDR5 UDIMM modules without heat spreaders

OWC

OWC 128GB (4×32GB) DDR5 5200 CL42 1.1V Non-ECC UDIMM desktop RAM

SKU CH-VDPS-G594Y

Four 32 GB DDR5 5200 CL42 modules deliver 128 GB at 1.1 V for desktop upgrades

  • Capacity128GB (4 x 32GB)
  • SpeedDDR5 5200 (PC5 41600)
  • CAS LatencyCL42
  • Voltage1.1V
  • ECCNo
  • Buffered/RegisteredUnbuffered

Capacity 128GB (4 x 32GB)

  • 128 GB total capacity from four 32 GB modules for heavy multitasking
  • DDR5 5200 MT/s speed rated at PC5-41600 for high data throughput
  • CL42 CAS latency tuned for responsive desktop performance
  • 1 V operating voltage reduces power draw and heat
  • 288-pin unbuffered non-ECC UDIMM fits standard desktop DIMM slots

128GB DDR5 5200 Kit for Desktop Upgrades

This OWC kit supplies 128GB of DDR5 memory across four 32GB UDIMM modules. Each stick runs at 5200MT/s with a CAS latency of 42 at the JEDEC standard 1.1V. The modules are unbuffered, non-ECC, and use the 288-pin desktop form factor.

Suited for DDR5 Desktops Workstations and NAS

The kit fits desktop, workstation and NAS platforms that accept DDR5 UDIMM memory. Systems that require registered or ECC modules, or platforms limited to earlier DDR generations, cannot use this memory. Buyers should verify their board’s qualified vendor list before purchasing.

5200MT/s CL42 at 1.1V JEDEC Speed

The decisive specification is the JEDEC-standard 5200MT/s data rate with CL42 timing at 1.1V. If the target platform only supports lower DDR5 speeds or requires different latency bins, the modules will down-clock but may not deliver the rated throughput.

Highlights

  • 128 GB total capacity from four 32 GB modules for heavy multitasking
  • DDR5 5200 MT/s speed rated at PC5-41600 for high data throughput
  • CL42 CAS latency tuned for responsive desktop performance
  • 1 V operating voltage reduces power draw and heat
  • 288-pin unbuffered non-ECC UDIMM fits standard desktop DIMM slots

Specifications

BrandOWC
Part Number5U2D52R8128S
Capacity128GB (4 x 32GB)
SpeedDDR5 5200 (PC5 41600)
CAS LatencyCL42
Voltage1.1V
ECCNo
Buffered/RegisteredUnbuffered
Multi-channel KitDual Channel Kit
ColorBlack
Heat SpreaderNo
Recommend UseDesktops
LED ColorNone

Other versions of this model

5 more in the same range

Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

Will these four 32 GB modules fit my desktop motherboard?

They are standard 288-pin DDR5 UDIMMs, the physical format used by current desktop platforms. Your board must support DDR5 and accept 32 GB per slot; check the motherboard manual for the maximum capacity per DIMM and the qualified vendor list.

Can I run this kit at the rated 5200 MT/s CL42 without manual BIOS changes?

The modules follow JEDEC DDR5-5200 CL42 at 1.1 V, so a compatible motherboard will apply those timings automatically on first boot. If the board only supports lower speeds, the kit will down-clock to the highest common setting.

Is the 128 GB total capacity usable on a typical consumer desktop?

Most consumer desktop chipsets limit total memory to 128 GB across four slots, so this kit matches that ceiling. Workstation or server platforms may allow more, but you must verify the CPU and chipset specification before purchasing.

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