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Green circuit board with gold edge connectors and black memory chips

OWC

OWC 8GB DDR3L 1600 CL11 ECC RDIMM for PowerVault NX400

SKU CH-KRAR-SMF7V

8GB DDR3L 1600 ECC registered RDIMM upgrade for Dell PowerVault NX400 servers

  • Capacity8GB
  • Type240-Pin DDR3L ECC RDIMM
  • SpeedDDR3L 1600 (PC3L 12800)
  • CAS LatencyCL11
  • Voltage1.35V
  • ECCYes

Capacity 8GB

  • ECC registered design protects data integrity in servers
  • DDR3L 1600 speed with CL11 latency for responsive performance
  • Low 1.35 V voltage reduces power draw and heat
  • Single 8 GB 1Rx4 module fits Dell PowerVault NX400 slots
  • Replaces Dell part numbers A7134886, A7545680, RKR5J, SNPRKR5JC/8G

OWC 8GB DDR3L ECC RDIMM for PowerVault NX400

This 8GB DDR3L registered DIMM is built for the Dell PowerVault NX400 storage server. It delivers error-correcting code protection required by always-on workloads. The module targets administrators extending the life of existing NX400 arrays.

Registered ECC design prevents mixing

The registered buffer and ECC circuitry make this module incompatible with standard desktop boards or consumer NAS units that expect unbuffered sticks. It also cannot be combined with non-ECC DIMMs in the same channel. Buyers needing plain desktop RAM should look elsewhere.

Single 8GB stick at DDR3L 1600 CL11 1.35V

Capacity, speed, latency and voltage are fixed at 8GB, 1600 MT/s, CL11 and 1.35 volts. Match these values exactly to the NX400 memory specification before ordering. Systems requiring a different density, frequency or voltage will not accept this part.

Highlights

  • ECC registered design protects data integrity in servers
  • DDR3L 1600 speed with CL11 latency for responsive performance
  • Low 1.35 V voltage reduces power draw and heat
  • Single 8 GB 1Rx4 module fits Dell PowerVault NX400 slots
  • Replaces Dell part numbers A7134886, A7545680, RKR5J, SNPRKR5JC/8G

Specifications

BrandOWC
Part Number1R6T31R408GB
Capacity8GB
Type240-Pin DDR3L ECC RDIMM
SpeedDDR3L 1600 (PC3L 12800)
CAS LatencyCL11
Voltage1.35V
ECCYes
Buffered/RegisteredRegistered
Rank1Rx4
Heat SpreaderNo
Compatible SystemDell PowerVault NX400

Other versions of this model

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Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

Will the 1Rx4 ECC registered DIMM need any firmware updates or battery-backed cache replacement later?

The module itself has no firmware or battery; it is a passive DDR3L 1600 CL11 1.35V RDIMM that requires no ongoing maintenance once installed in the PowerVault NX400.

What thermal or electrical limit appears first when the NX400 runs this 1.35V RDIMM at full load continuously?

The 1.35V DDR3L voltage and CL11 timing define the electrical envelope; the server's memory-controller thermal throttling will activate before the module exceeds its JEDEC-rated operating range.

How much extra heat or fan noise does a single 8GB 240-pin RDIMM add when the PowerVault NX400 operates 24/7?

The unbuffered 1Rx4 stick draws minimal power at 1.35V and has no heat spreader, so it adds negligible thermal load and does not increase fan speed in the NX400 chassis.

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