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Four black rectangular DDR5 memory modules with gold edge connectors and no heat spreaders

OWC

OWC 5E2D51R8064S 64GB (4×16GB) DDR5 5200 CL42 ECC UDIMM desktop RAM

SKU CH-GTG0-TPR55

ECC unbuffered DDR5 kit with four 16 GB modules at 5200 MT/s CL42 for workstations, servers and NAS

  • Capacity64GB (4 x 16GB)
  • SpeedDDR5 5200 (PC5 41600)
  • CAS LatencyCL42
  • Voltage1.1V
  • ECCYes
  • Buffered/RegisteredUnbuffered

Capacity 64GB (4 x 16GB)

  • 64GB capacity from four 16GB modules for heavy multitasking
  • DDR5 5200 speed with CL42 latency for responsive data access
  • ECC unbuffered design protects data integrity in critical workloads
  • 1V operation reduces power draw and heat output
  • JEDEC and RoHS compliant for broad workstation and server compatibility

64GB DDR5 5200 ECC UDIMM kit

This OWC kit provides 64GB of DDR5 5200 memory across four 16GB unbuffered UDIMMs with ECC. The modules run at 1.1V with CL42 latency and use the standard 288-pin form factor. It is intended for workstations, servers and NAS systems that require error-correcting memory.

Upgrading from non-ECC or slower DDR5

The kit replaces non-ECC DDR5 or lower-speed DDR5 modules where data integrity and capacity are priorities. The jump is worth it when your workloads demand ECC protection and 64GB of total capacity at JEDEC-standard 5200 MT/s. Each module is a 1Rx8 16GB device, so the upgrade adds four ranks per channel.

Check motherboard ECC and UDIMM support

Verify that your platform accepts unbuffered ECC UDIMMs and can run DDR5 at 5200 MT/s with 1.1V operation. Confirm the board has four available 288-pin slots and that the BIOS enables ECC functionality. The kit is a dual-channel configuration, so populate slots according to the motherboard manual for optimal operation.

Points forts

  • 64GB capacity from four 16GB modules for heavy multitasking
  • DDR5 5200 speed with CL42 latency for responsive data access
  • ECC unbuffered design protects data integrity in critical workloads
  • 1V operation reduces power draw and heat output
  • JEDEC and RoHS compliant for broad workstation and server compatibility

Caractéristiques

BrandOWC
Part Number5E2D51R8064S
Capacity64GB (4 x 16GB)
SpeedDDR5 5200 (PC5 41600)
CAS LatencyCL42
Voltage1.1V
ECCYes
Buffered/RegisteredUnbuffered
Multi-channel KitDual Channel Kit
ColorBlack
Heat SpreaderNo
Recommend UseWorkstations, Servers, and NAS Systems
LED ColorNone

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Questions sur cet article

Does the 288-pin DDR5 UDIMM fit a standard desktop DIMM slot?

Yes, the 288-pin DDR5 UDIMM matches the standard desktop DDR5 slot. The four 16 GB modules occupy four slots.

Which orientation do the modules go in, and what is the common mistake?

Align the off-centre notch with the slot key, press straight down until both side clips click. The common mistake is stopping before both clips lock.

Will the ECC unbuffered DDR5 need any firmware updates or battery replacements later?

No firmware or battery is required. The modules run at 1.1 V with CL42 timing. If a module fails, replace the single 16 GB stick.

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