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Two green DDR3L ECC registered DIMMs with gold contacts

OWC

OWC 16GB (2x8GB) DDR3L 1600 ECC Registered RDIMM 2Rx4 240-pin 1.35V Cisco UCS Kit

SKU CH-4J2F-QZXT8

DDR3L 1600 ECC registered RDIMM kit adds 16 GB across two 8 GB modules for Cisco UCS B200 M3, B22 M3, B420 M3, C22 M3 and C220 M3 servers

  • Capacity16GB (2 x 8GB)
  • Type240-Pin DDR3L ECC RDIMM
  • SpeedDDR3L 1600 (PC3L 12800)
  • CAS LatencyCL11
  • Voltage1.35V
  • ECCYes

Capacity 16GB (2 x 8GB)

  • ECC registered design protects data integrity in servers
  • 16GB dual-channel kit boosts multi-task throughput
  • DDR3L 1600 CL11 matches Cisco UCS specifications
  • 35V low-voltage modules reduce power draw
  • Validated for B200 M3 B22 M3 B420 M3 C22 M3 C220 M3

Server-specific DDR3L ECC kit

This 16 GB kit contains two 8 GB DDR3L 1600 registered DIMMs built for Cisco UCS blade and rack servers including the B200 M3, B22 M3, B420 M3, C22 M3 and C220 M3. The modules operate at 1.35 V with CL11 latency and provide error-correcting code protection required by those platforms. They will not work in standard desktop computers or alongside unbuffered or load-reduced memory.

Sustained workload behaviour

ECC registered architecture corrects single-bit errors on the fly, preventing data corruption during long compute jobs or virtualisation workloads. Registered buffering reduces electrical load on the server memory controller, allowing the installed capacity to remain stable under continuous multi-threaded demand. The DDR3L 1600 speed delivers consistent throughput for memory-bound services without the voltage stress of standard DDR3.

Build and installation notes

Modules use a 240-pin RDIMM form factor without heat spreaders, matching the Cisco UCS memory slot layout exactly. The 2Rx4 organisation fits the qualified channel population rules for the listed B-series and C-series models. Installation is a direct replacement for Cisco part numbers UCSMR1X082RYA, UCSMR2X082RYB and UCSMR2X082RYE, requiring no firmware changes or additional configuration.

Points forts

  • ECC registered design protects data integrity in servers
  • 16GB dual-channel kit boosts multi-task throughput
  • DDR3L 1600 CL11 matches Cisco UCS specifications
  • 35V low-voltage modules reduce power draw
  • Validated for B200 M3 B22 M3 B420 M3 C22 M3 C220 M3

Caractéristiques

BrandOWC
Part Number1R6T32R4016P
Capacity16GB (2 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 sur cet article

How much power does the 1.35V DDR3L kit draw when the server runs all day?

Each 8GB module operates at 1.35V DDR3L voltage, which is lower than standard DDR3 and reduces overall power draw during continuous operation.

What must the Cisco UCS chassis already have for this 240-pin RDIMM kit to work?

The server must support DDR3L 1600 ECC Registered RDIMMs and have free 240-pin DIMM slots; it cannot accept unbuffered or load-reduced memory alongside these modules.

Will the 2Rx4 registered DIMMs run beside older Cisco UCS memory that uses a different rank or voltage?

These 2Rx4 1.35V registered DIMMs must not be mixed with unbuffered or load-reduced memory; matching rank, voltage and registered type is required for stable operation.

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