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Green 240-pin DDR3L RDIMM with black memory chips, no heat spreader

OWC

OWC 16GB DDR3L 1333 CL9 2Rx4 240-pin 1.35V ECC Registered RDIMM server RAM

SKU CH-0JW5-2NAFZ

16 GB DDR3L 1333 ECC registered RDIMM for workstations, servers and NAS systems

  • Total capacity16 GB
  • Rated speedDDR3L 1333 (PC3L 10600)
  • CAS latencyCL9
  • Rated voltage1.35 V
  • Buffer typeRegistered
  • Memory rank2Rx4

Capacity 16GB

Rank 2Rx4

  • ECC registered design prevents data corruption in critical workloads
  • 16GB capacity extends memory headroom for virtualization and large datasets
  • DDR3L 1333 CL9 at 1.35V lowers power draw versus standard DDR3
  • 240-pin RDIMM form factor fits qualified workstation and server boards
  • JEDEC and RoHS compliant for warranty-safe upgrades

16GB DDR3L ECC RDIMM

This 16GB DDR3L 1333 ECC Registered DIMM targets administrators upgrading select workstations, servers, NAS units or routers. The single 2Rx4 module delivers 16GB of capacity at PC3L-10600 speed with CL9 latency. It requires a platform that supports registered ECC memory and will not function in standard desktop systems.

240-pin JEDEC build

The module follows the 240-pin DDR3L form factor and operates at 1.35V, matching JEDEC and RoHS standards. No heat spreader is fitted, so clearance inside dense server chassis remains uncomplicated. Registered buffering and ECC circuitry add data-integrity protection for mission-critical workloads, but the stick cannot be mixed with unbuffered memory.

Low-voltage thermals

Running at 1.35V reduces power draw compared with standard DDR3, helping keep system thermals manageable in multi-DIMM configurations. The absence of a heat spreader means airflow across the PCB handles cooling directly, so adequate case ventilation is expected. Power consumption scales with the number of installed modules.

How it compares

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

Price $49.99
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 $3.12 per GB
Cheaper than about 88% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameOWC
Part number1R3T32R416 GB
Total capacity16 GB
Product type240-Pin DDR3L ECC RDIMM
Performance
Rated speedDDR3L 1333 (PC3L 10600)
Memory
CAS latencyCL9
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.35 V

Other versions of this model

5 more in the same range

Questions about this item

What is the DDR3L 1333 speed rating and what bandwidth does PC3L-10600 provide?

This module runs at DDR3L 1333 MHz with a PC3L-10600 rating, delivering up to 10600 MB/s of theoretical bandwidth.

Does the 240-pin form factor fit standard server DIMM slots and what clearance does the lack of a heat spreader give?

Yes, the 240-pin DDR3L RDIMM fits standard server DIMM slots, and having no heat spreader keeps the module low-profile for tight chassis clearance.

How do I install this ECC registered RDIMM and what common mistake should I avoid?

Power down the system, open the chassis, align the notch on the 240-pin module with the slot key, press firmly until the latches click, then verify the BIOS recognises the full 16 GB; the frequent error is mixing this registered DIMM with unbuffered memory, which the platform will not support.

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