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Four green DDR3 ECC registered RDIMM modules in anti-static tray

OWC

OWC 64GB (4x16GB) DDR3 1333 PC3-10600 CL9 2Rx4 240-pin 1.5V ECC Registered RDIMM Memory Upgrade Kit

SKU CH-2S00-0AKKH

ECC registered DDR3 kit with four 16 GB modules at 1333 MHz CL9 for Lenovo ThinkStation C20x and D20 workstations

  • Capacity64GB (4 x 16GB)
  • Type240-Pin DDR3 ECC RDIMM
  • SpeedDDR3 1333 (PC3 10600)
  • CAS LatencyCL9
  • Voltage1.5V
  • ECCYes

Capacity 64GB (4 x 16GB)

  • ECC Registered reliability for workstation stability
  • 64 GB total capacity across four 16 GB modules
  • DDR3 1333 MHz speed with CL9 latency
  • 240-pin 1.5 V RDIMM fits Lenovo ThinkStation C20x and D20
  • Replaces Lenovo part numbers 03X3813 and 0A89413

System-specific ECC RDIMM kit

This 64GB kit contains four 16GB DDR3 1333 registered DIMMs built for Lenovo ThinkStation C20x and D20 workstations. Each module runs at PC3-10600 with CL9 latency at 1.5V. The 2Rx4 organisation and ECC registration target server-class workloads.

Registered DDR3 platform limits

Registered DIMMs require a chipset and BIOS that support buffered signalling; standard desktop boards will not initialise them. The modules cannot be mixed with unbuffered memory and must populate validated slots in matched sets. DDR3 1333 is the rated ceiling for this platform.

2Rx4 16GB density per slot

The 2Rx4 16GB density decides whether the workstation can accept all four modules without exceeding the per-slot or per-channel rank budget. Buyers who need higher per-module capacity or a different rank layout must verify the system documentation before ordering.

Puntos fuertes

  • ECC Registered reliability for workstation stability
  • 64 GB total capacity across four 16 GB modules
  • DDR3 1333 MHz speed with CL9 latency
  • 240-pin 1.5 V RDIMM fits Lenovo ThinkStation C20x and D20
  • Replaces Lenovo part numbers 03X3813 and 0A89413

Especificaciones

BrandOWC
Part Number1R3D32R4064S
Capacity64GB (4 x 16GB)
Type240-Pin DDR3 ECC RDIMM
SpeedDDR3 1333 (PC3 10600)
CAS LatencyCL9
Voltage1.5V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo
Compatible SystemLenovo ThinkStation C20x
Lenovo ThinkStation D20

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Preguntas sobre este artículo

Should I choose the 64 GB kit with four 16 GB modules or a different capacity for my ThinkStation C20x or D20?

The kit contains four 16 GB modules for 64 GB total. Use all four slots for maximum capacity or fewer modules if your workload needs less memory.

What does the DDR3 1333 PC3-10600 rating mean for real-world performance in these workstations?

The modules run at 1333 MT/s with CL9 latency, delivering the standard bandwidth and timing the ThinkStation C20x and D20 memory controller expects.

How does the 240-pin ECC Registered DDR3 interface limit what I can do with this memory?

The 240-pin ECC Registered DDR3 design fits only compatible workstation and server boards; it will not work in standard desktop systems or alongside unbuffered modules.

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