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Four green DDR3L 240-pin RDIMM modules in anti-static tray

OWC

OWC 32GB (4x8GB) DDR3L 1333 ECC Registered RDIMM memory upgrade

SKU CH-S25D-F45FD

32GB kit of four 8GB DDR3L 1333 ECC registered RDIMMs for Cisco UCS B200 M1 and C200 M1 servers

  • Capacity32GB (4 x 8GB)
  • Type240-Pin DDR3L ECC RDIMM
  • SpeedDDR3L 1333 (PC3L 10600)
  • CAS LatencyCL9
  • Voltage1.35V
  • ECCYes

Capacity 32GB (4 x 8GB)

  • ECC Registered design ensures data integrity for servers
  • 32GB kit with four 8GB modules expands capacity
  • DDR3L 1333 CL9 speed matches system requirements
  • 35V low-voltage operation reduces power draw
  • Validated for Cisco UCS B200 M1 and C200 M1

Server Memory Kit

This OWC kit provides 32GB of DDR3L ECC Registered memory across four 8GB modules. It is built for Cisco UCS B200 M1 and C200 M1 servers that require registered DIMMs. The modules will not work in standard desktop computers or systems that need unbuffered or load-reduced memory.

Thermals and Power

Each module runs at 1.35V, the standard DDR3L voltage, which reduces power draw compared to 1.5V DDR3. No heat spreaders are fitted, so airflow through the server chassis handles cooling. The registered buffer adds a clock cycle of latency but lightens the electrical load on the memory controller.

Build Integration

The 240-pin DIMMs install directly into the compatible Cisco UCS slots. Using registered ECC memory prevents mixing with unbuffered or load-reduced modules in the same system. This kit replaces Cisco part numbers N01M308GB2, UCSMR1X082RXA, UCSMR2X082RXB and UCSMR2X082RXC for straightforward maintenance.

Pontos fortes

  • ECC Registered design ensures data integrity for servers
  • 32GB kit with four 8GB modules expands capacity
  • DDR3L 1333 CL9 speed matches system requirements
  • 35V low-voltage operation reduces power draw
  • Validated for Cisco UCS B200 M1 and C200 M1

Especificações

BrandOWC
Part Number1R3T32R4032S
Capacity32GB (4 x 8GB)
Type240-Pin DDR3L ECC RDIMM
SpeedDDR3L 1333 (PC3L 10600)
CAS LatencyCL9
Voltage1.35V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo
Compatible SystemCisco UCS B200 M1
Cisco UCS C200 M1

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Perguntas sobre este artigo

How do I install the 240-pin DDR3L ECC RDIMM modules in a Cisco UCS B200 M1, and what step is often missed?

Power down the server, open the chassis, align each module's notch with the slot key, press firmly until both latches click, then verify all four 8GB sticks are recognised in the BIOS before closing the case.

What maintenance or replacement will the 32GB DDR3L 1333 kit need over its service life?

No scheduled maintenance is required; if a module fails, replace the individual 8GB stick — ECC error logs will identify the faulty rank.

What limit appears first when the 1.35V 2Rx4 registered DIMMs run sustained workloads?

The DDR3L 1333 CL9 bandwidth ceiling is reached before thermal throttling, because the modules have no heat spreader and operate at standard voltage.

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