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Green circuit board with black memory chips, no heat spreader, 288-pin DDR4 UDIMM

OWC

OWC 8GB DDR4 2666 ECC Unbuffered UDIMM desktop RAM

SKU CH-XKDW-D3ENH

Single 8GB DDR4 2666 ECC unbuffered UDIMM for desktop, workstation, server or NAS systems, CL19 at 1.2V with 2133 and 2400 backward compatibility

  • Capacity8GB
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.2V
  • ECCYes
  • Buffered/RegisteredUnbuffered

Capacity 8GB

  • 8GB capacity adds multitasking headroom for NAS workloads
  • DDR4 2666 speed delivers PC4-21300 bandwidth for servers
  • ECC protection guards data integrity in workstations
  • 2V operation reduces power draw in rack systems
  • Backward compatible with 2133MHz and 2400MHz platforms

8GB DDR4 2666 ECC UDIMM for NAS and Workstations

This single 8GB module runs at DDR4 2666 with CL19 latency and 1.2V operation. It uses an unbuffered ECC design on a 288-pin UDIMM form factor. The module targets desktop PCs, workstations, servers and NAS systems that require error-correcting memory.

Replaces 2133MHz or 2400MHz ECC modules

The stick is backward compatible with 2133MHz and 2400MHz systems, so it can replace slower ECC UDIMMs without configuration changes. The upgrade is worth it when your workload needs the higher 2666MHz data rate and the platform supports that speed.

Verify ECC UDIMM support and slot count

Confirm the motherboard or NAS appliance accepts unbuffered ECC DDR4 UDIMMs and has a free 288-pin slot. Check the system manual for maximum capacity per slot and total population rules before ordering.

Points forts

  • 8GB capacity adds multitasking headroom for NAS workloads
  • DDR4 2666 speed delivers PC4-21300 bandwidth for servers
  • ECC protection guards data integrity in workstations
  • 2V operation reduces power draw in rack systems
  • Backward compatible with 2133MHz and 2400MHz platforms

Caractéristiques

BrandOWC
Part Number2E6D41R808GB
Capacity8GB
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.2V
ECCYes
Buffered/RegisteredUnbuffered
ColorBlack
Heat SpreaderNo
Recommend UseWorkstations, Servers, and NAS Systems
LED ColorNone

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Questions sur cet article

Will this module work in a Synology NAS that requires ECC unbuffered DDR4?

Yes, the module is DDR4 2666 ECC unbuffered and the supplier title lists compatibility with Synology D4EC-2666-8G and D4EU01-8G part numbers.

Can I install a single stick or must I add them in pairs?

The module is a single 8 GB 1Rx8 DIMM; most desktop and NAS boards accept a single stick, but check the system manual for channel population rules.

My system currently runs 2133 MHz memory — will this 2666 MHz module down-clock automatically?

The specifications state backward compatibility with 2133 MHz and 2400 MHz, so the module will run at the lower speed when installed in such systems.

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