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Four green DDR3 UDIMM sticks in a row

OWC

OWC 16GB (4x4GB) DDR3 1600 PC3-12800 CL11 1Rx8 240-pin 1.5V Non-ECC UDIMM memory upgrade

SKU CH-BR5H-6VC71

A 16 GB DDR3 1600 kit of four 4 GB unbuffered DIMMs for ASUSTOR AS7009RD and AS7012RD NAS systems

  • Total capacity16 GB (4 × 4 GB)
  • Rated speedDDR3 1600 (PC3 12800)
  • CAS latencyCL11
  • Rated voltage1.5 V
  • Buffer typeUnbuffered
  • Memory rank1Rx8

Capacity 16GB (4 x 4GB)

  • 16 GB total capacity for smoother multitasking
  • DDR3 1600 speed with CL11 latency for responsive operation
  • 5 V standard voltage for broad desktop compatibility
  • Four 4 GB modules fill four slots in matched kit
  • JEDEC and RoHS compliant for warranty-safe upgrade

System-specific DDR3 kit

This OWC kit delivers 16 GB of DDR3 memory in four 4 GB modules for ASUSTOR AS7009RD and AS7012RD network-attached storage units. It is built for owners of those models who need the maximum supported capacity to run more concurrent services or larger caches.

240-pin DDR3 1600 CL11 unbuffered non-ECC

Each module is a 240-pin UDIMM rated at DDR3-1600 (PC3-12800) with CL11 latency and 1.5 V operation. The single-rank 1Rx8 organisation and lack of ECC or registered buffers match the exact electrical and mechanical requirements of the target NAS platforms.

Standard voltage low-profile operation

Running at the JEDEC-standard 1.5 V without heat spreaders, the modules rely on the chassis airflow of the ASUSTOR units. Power draw stays within normal DDR3 limits and acoustic impact is negligible because no active cooling is added.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $56.99
Cheaper than about 76% of the 21,161 comparable items (median $397.99).
Total capacity 16 GB (4 × 4 GB)
Lower than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $3.56 per GB
Cheaper than about 87% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number1U6D31R8016S
Total capacity16 GB (4 × 4 GB)
Product type240-Pin DDR3 Non-ECC UDIMM
Performance
Rated speedDDR3 1600 (PC3 12800)
Memory
CAS latencyCL11
ECC supportNo
Buffer typeUnbuffered
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsASUSTOR AS7009RD
ASUSTOR AS7012RD

Other versions of this model

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Questions about this item

What does the 1600 MHz rating mean once the kit is installed in an ASUSTOR AS7009RD or AS7012RD?

The four modules run at PC3-12800 DDR3 1600 with CL11 timing, giving the NAS a 16 GB total capacity at the standard JEDEC speed for those models.

Which memory standard and pin count does this upgrade use, and what does that limit?

It uses 240-pin DDR3 unbuffered non-ECC DIMMs, so only DDR3 modules with the same pin layout and voltage can be used in the four slots.

What physical space and voltage do the four sticks need to fit the compatible NAS units?

Each 4 GB stick is a standard-height 240-pin UDIMM that operates at 1.5 V, matching the DIMM sockets and power rails in the ASUSTOR AS7009RD and AS7012RD.

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