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Four black DDR3 UDIMM modules without heat spreaders

OWC

OWC 32GB (4x8GB) DDR3 1066 ECC Unbuffered UDIMM Kit

SKU CH-3KG1-R88AH

A 32 GB DDR3 kit of four 8 GB ECC unbuffered UDIMMs running at 1066 MHz CL7 and 1.5 V for workstations, servers and NAS systems

  • Capacity32GB (4 x 8GB)
  • SpeedDDR3 1066 (PC3 8500)
  • CAS LatencyCL7
  • Voltage1.5V
  • ECCYes
  • Buffered/RegisteredUnbuffered

Capacity 32GB (4 x 8GB)

  • ECC protection guards data integrity with built-in error correction
  • 32GB kit expands multitasking headroom across four 8GB modules
  • DDR3 1066 CL7 timing delivers responsive throughput at PC3-8500 speed
  • 5V JEDEC voltage ensures broad workstation and server compatibility
  • 240-pin unbuffered DIMM form factor fits standard desktop and server slots

32GB DDR3 ECC Kit for Workstations

This kit supplies 32GB of DDR3 1066 memory in four 8GB unbuffered UDIMMs. It targets desktop workstations, servers and NAS systems that require ECC protection. Each module runs at 1.5V with a CL7 latency and a 240-pin form factor.

JEDEC-Compliant ECC Modules

The modules meet JEDEC and RoHS standards, so they install without voiding the original system warranty. ECC circuitry detects and corrects single-bit errors, improving data integrity for long-running workloads. No heat spreaders or LEDs are fitted, keeping the profile low for dense chassis.

Four-Channel Capacity Headroom

The 32GB total allows simultaneous virtual machines, large datasets and multi-user file services on compatible platforms. Workloads that exceed this capacity will page to storage, reducing responsiveness. The DDR3 1066 speed ceiling limits throughput on newer CPU architectures.

Points forts

  • ECC protection guards data integrity with built-in error correction
  • 32GB kit expands multitasking headroom across four 8GB modules
  • DDR3 1066 CL7 timing delivers responsive throughput at PC3-8500 speed
  • 5V JEDEC voltage ensures broad workstation and server compatibility
  • 240-pin unbuffered DIMM form factor fits standard desktop and server slots

Caractéristiques

BrandOWC
Part Number8E5D32R8032S
Capacity32GB (4 x 8GB)
SpeedDDR3 1066 (PC3 8500)
CAS LatencyCL7
Voltage1.5V
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 4x8GB DDR3 ECC UDIMM kit need any firmware updates or battery replacements over time?

No firmware updates or batteries are involved; the modules are passive JEDEC-standard DDR3 DIMMs that operate at 1.5V and 1066MHz without active components.

What limit appears first when the 1066MHz CL7 kit runs continuously in a server or workstation?

The DDR3 1066MHz CL7 specification sets the maximum sustained data rate; the memory controller and platform determine whether bandwidth or latency becomes the bottleneck first.

How much heat and noise do the four unbuffered ECC DIMMs produce during all-day operation?

The modules run at 1.5V without heat spreaders or fans, so they add minimal heat and zero acoustic noise; total power draw stays within standard DDR3 limits for 32GB capacity.

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