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Four green 240-pin DDR3L ECC registered DIMMs with gold contacts and black chips

OWC

OWC 32GB (4x8GB) DDR3L 1600 CL11 ECC Registered RDIMM memory upgrade

SKU CH-QQ5Q-TBQQ4

32GB kit of four 8GB DDR3L 1600 CL11 ECC registered RDIMMs for Cisco UCS B200 M3, B22 M3, B420 M3, C22 M3 and C220 M3 servers

  • Capacity32GB (4 x 8GB)
  • Type240-Pin DDR3L ECC RDIMM
  • SpeedDDR3L 1600 (PC3L 12800)
  • CAS LatencyCL11
  • Voltage1.35V
  • ECCYes

Capacity 32GB (4 x 8GB)

  • ECC registered design protects data integrity in servers
  • 32GB kit with four 8GB modules expands capacity
  • DDR3L 1600 CL11 at 1.35V reduces power draw
  • 240-pin RDIMM fits Cisco UCS B200 M3 and C220 M3
  • Replaces Cisco part numbers UCSMR1X082RYA UCSMR2X082RYB UCSMR2X082RYE

Server memory kit for Cisco UCS

This OWC kit supplies 32 GB across four 8 GB DDR3L 1600 CL11 registered ECC DIMMs built for Cisco UCS B200 M3, B22 M3, B420 M3, C22 M3 and C220 M3 servers. The modules run at 1.35 V and carry the 2Rx4 organisation required by those platforms. They are not compatible with standard desktop or unbuffered memory slots.

Replaces Cisco UCSMR part numbers

The kit directly replaces Cisco part numbers UCSMR1X082RYA, UCSMR2X082RYB and UCSMR2X082RYE, letting administrators refresh or expand memory without sourcing OEM trays. The upgrade is worthwhile when the existing configuration leaves free DIMM slots or when lower-capacity modules limit virtual-machine density. Builders who need load-reduced DIMMs or consumer-grade memory cannot use this kit.

Steady throughput under ECC scrubbing

Registered buffering and on-die ECC keep data integrity intact during continuous workloads such as database caching or hypervisor page sharing. The 1.35 V DDR3L voltage reduces power draw compared with standard DDR3, helping thermal headroom in dense blade chassis. No heat spreader is fitted, so airflow across the DIMM rows must meet the server vendor’s specification.

Highlights

  • ECC registered design protects data integrity in servers
  • 32GB kit with four 8GB modules expands capacity
  • DDR3L 1600 CL11 at 1.35V reduces power draw
  • 240-pin RDIMM fits Cisco UCS B200 M3 and C220 M3
  • Replaces Cisco part numbers UCSMR1X082RYA UCSMR2X082RYB UCSMR2X082RYE

Specifications

BrandOWC
Part Number1R6T32R4032S
Capacity32GB (4 x 8GB)
Type240-Pin DDR3L ECC RDIMM
SpeedDDR3L 1600 (PC3L 12800)
CAS LatencyCL11
Voltage1.35V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo
Compatible SystemCisco UCS B200 M3
Cisco UCS B22 M3
Cisco UCS B420 M3
Cisco UCS C22 M3
Cisco UCS C220 M3

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Questions about this item

Will these 240-pin DDR3L RDIMMs fit the DIMM slots in a Cisco UCS B200 M3 blade server?

Yes, the kit is validated for Cisco UCS B200 M3, B22 M3, B420 M3, C22 M3 and C220 M3 systems that accept 240-pin DDR3L registered modules.

What is the correct installation sequence for the four 8 GB modules in a Cisco UCS C220 M3?

Populate the slots in the order prescribed by the server's service guide — typically one module per channel per CPU — and press each RDIMM straight down until both ejector clips snap closed.

When should the 1.35 V registered ECC modules be replaced in a production Cisco UCS B420 M3?

Replace any module that triggers correctable ECC error thresholds in the system event log or fails the built-in memory diagnostics during POST.

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