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Green circuit board with gold edge connectors and black memory chips

OWC

OWC 16GB DDR3 1600 CL11 2Rx4 1.5V ECC Registered RDIMM server RAM

SKU CH-6CTM-YSPEB

16GB DDR3 ECC registered RDIMM at 1600MHz CL11 for servers and workstations

  • Total capacity16 GB
  • Rated speedDDR3 1600 (PC3 12800)
  • CAS latencyCL11
  • Rated voltage1.5 V
  • Buffer typeRegistered
  • Memory rank2Rx4
  • ECC registered design prevents data corruption in servers
  • 16GB capacity expands memory for virtualisation workloads
  • DDR3 1600 CL11 speed matches OEM specifications
  • 2Rx4 organisation optimises rank density per channel
  • JEDEC and RoHS compliant ensures warranty-safe upgrades

Server Memory Upgrade

This OWC module adds 16GB of DDR3 ECC registered memory to compatible workstations, servers, NAS systems and routers. It matches Supermicro part numbers including MEM-DR316L-HL01-ER16 and MEM-DR316L-SL01-ER16 for direct replacement. The 240-pin RDIMM is designed for 24/7 operation in multi-socket platforms that require registered DIMMs. It will not work in standard desktop computers or alongside unbuffered modules.

Thermals and Power

Operating at 1.5V, the module draws standard DDR3 power without a heat spreader. Passive cooling relies on chassis airflow across the bare PCB. Registered buffering reduces electrical load on the memory controller, helping keep system power draw predictable under sustained workloads. No active cooling or additional voltage is required for rated 1600MHz CL11 operation.

Build Integration

The 240-pin form factor fits DDR3 RDIMM slots in qualified server and workstation boards. ECC and registered signalling must be supported by the platform; mixing with unbuffered DIMMs is not supported. Each module presents a 2Rx4 organisation, allowing high-density population where the memory controller permits. JEDEC and RoHS compliance ensures warranty-safe integration into existing OEM infrastructure.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $48.99
Cheaper than about 84% of the 6,523 comparable items (median $188.99).
Total capacity 16 GB
Lower than about 60% of the 6,064 comparable items (median 32 GB).
Price per GB $3.06 per GB
Cheaper than about 89% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameOWC
Part number1R6D32R416 GB
Total capacity16 GB
Product type240-Pin DDR3 ECC RDIMM
Performance
Rated speedDDR3 1600 (PC3 12800)
Memory
CAS latencyCL11
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.5 V

Questions about this item

How do I install this 240-pin DDR3 RDIMM and what step is often missed?

Align the notch on the module with the slot key, press firmly until both side clips click, and verify the system detects the full 16 GB at 1600 MHz.

What maintenance or replacement will this 16 GB ECC registered module need later?

No routine maintenance is required; replace only if memory diagnostics report correctable errors that exceed the platform threshold.

What limit appears first when this CL11 1.5 V RDIMM runs under sustained load?

The DDR3 1600 JEDEC voltage and timing envelope caps sustained throughput before thermal limits are reached.

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