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Green 240-pin DDR3 ECC registered RDIMM module with black chips no heat spreader

OWC

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

SKU CH-J5ZJ-X1JNC

16GB DDR3-1600 ECC registered RDIMM for servers and workstations, CL11 1.5V

  • Capacity16GB
  • Type240-Pin DDR3 ECC RDIMM
  • SpeedDDR3 1600 (PC3 12800)
  • CAS LatencyCL11
  • Voltage1.5V
  • ECCYes
  • ECC registered design protects data integrity in servers
  • 16GB capacity expands memory for virtualization workloads
  • DDR3-1600 speed matches PC3-12800 system requirements
  • 2Rx4 dual-rank layout increases memory density per slot
  • 5V operation meets JEDEC standard for registered DIMMs

OWC 16GB DDR3-1600 ECC RDIMM

This 16GB DDR3-1600 ECC Registered RDIMM operates at 1.5V with CL11 latency and a 2Rx4 rank configuration. It uses a 240-pin form factor designed for server and workstation platforms. The module is JEDEC and RoHS compliant and serves as a direct replacement for specific Dell part numbers including JDF1M and JR5VJ.

Suited for servers and workstations requiring

This memory fits systems that accept DDR3 Registered ECC RDIMMs. It will not work in standard desktop computers that require unbuffered non-ECC modules. It also cannot be mixed with unbuffered memory in the same system. Buyers needing unbuffered desktop RAM or a different voltage should look elsewhere.

Registered ECC with 2Rx4 organization

The registered buffer and ECC functionality are the defining specifications that determine compatibility. Only systems designed for Registered ECC DDR3 modules can use this part. Verify your platform supports Registered ECC before purchase.

Highlights

  • ECC registered design protects data integrity in servers
  • 16GB capacity expands memory for virtualization workloads
  • DDR3-1600 speed matches PC3-12800 system requirements
  • 2Rx4 dual-rank layout increases memory density per slot
  • 5V operation meets JEDEC standard for registered DIMMs

Specifications

BrandOWC
Part Number1R6D32R416GB
Capacity16GB
Type240-Pin DDR3 ECC RDIMM
SpeedDDR3 1600 (PC3 12800)
CAS LatencyCL11
Voltage1.5V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
Heat SpreaderNo

Questions about this item

Does the 240-pin DDR3 RDIMM fit a standard server DIMM slot?

Yes, the module uses the 240-pin DDR3 form factor and 1.5V voltage required by registered server slots.

What is the correct way to seat the registered ECC module so the system recognises all 16GB?

Align the notch, press firmly until both retention clips click, and populate slots in the order your motherboard manual specifies for registered memory.

When should the ECC registered DIMM be replaced to keep error correction reliable?

Replace the module if the system logs uncorrectable ECC errors or if memory diagnostics report persistent faults after reseating.

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