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Four black DDR5 memory modules without heat spreaders

OWC

OWC 64GB (4x16GB) DDR5 5600 CL46 ECC Unbuffered UDIMM desktop RAM

SKU CH-FEBF-T0FP0

Four 16 GB DDR5 modules at 5600 MT/s with ECC and CL46 latency for workstations and servers

  • Capacity64GB (4 x 16GB)
  • SpeedDDR5 5600 (PC5 44800)
  • CAS LatencyCL46
  • Voltage1.1V
  • ECCYes
  • Buffered/RegisteredUnbuffered

Capacity 64GB (4 x 16GB)

  • 64 GB total capacity from four 16 GB modules for heavy multitasking
  • DDR5 5600 speed delivers high bandwidth for workstation workloads
  • ECC unbuffered design protects data integrity in servers and NAS
  • JEDEC-standard 1.1 V operation keeps power draw low
  • 288-pin UDIMM form factor fits compatible desktop and workstation slots

Capacity and form factor

This kit provides 64GB of DDR5 memory across four 16GB unbuffered UDIMMs. It is built for desktop workstations, servers and NAS systems that require ECC protection. Each module runs at 5600MHz with CL46 latency at 1.1V. The 288-pin design follows the standard desktop DIMM layout.

ECC and JEDEC compliance

On-die ECC corrects single-bit errors without needing registered buffers, helping data integrity in long-running workloads. The modules meet JEDEC DDR5 specifications and are ROHS compliant. OWC validates every stick in its own lab to match OEM requirements. No heat spreader or lighting is included, keeping the profile low for dense chassis.

Platform verification steps

Confirm your motherboard or server board accepts DDR5 unbuffered ECC UDIMMs and supports 5600MHz operation at 1.1V. Check that the CPU memory controller can address four ranks per channel with 1Rx8 organisation. Verify the BIOS has an appropriate XMP or JEDEC profile for this speed. Ensure the four slots you will populate belong to the same channel pair for dual-channel bandwidth.

Points forts

  • 64 GB total capacity from four 16 GB modules for heavy multitasking
  • DDR5 5600 speed delivers high bandwidth for workstation workloads
  • ECC unbuffered design protects data integrity in servers and NAS
  • JEDEC-standard 1.1 V operation keeps power draw low
  • 288-pin UDIMM form factor fits compatible desktop and workstation slots

Caractéristiques

BrandOWC
Part Number5E6D51R8064S
Capacity64GB (4 x 16GB)
SpeedDDR5 5600 (PC5 44800)
CAS LatencyCL46
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

Will the 1.1V DDR5 modules need a heat spreader added later?

These 288-pin ECC unbuffered DIMMs ship without a heat spreader; most workstation chassis provide enough airflow, but you can add aftermarket spreaders if your case runs warm.

What speed ceiling appears first when the kit runs at 5600 CL46 all day?

The JEDEC-standard 5600 MT/s data rate and CL46 latency are the fixed limits; the memory controller cannot push the modules beyond those rated figures.

How much power and heat do four 16GB sticks draw at 1.1V under continuous load?

At the rated 1.1V the kit draws minimal power for DDR5, and with no onboard LEDs or spreaders the thermal output stays low in typical workstation or NAS airflow.

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