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Two green DDR3 ECC UDIMM sticks without heat spreaders

OWC

OWC 16GB (2x8GB) DDR3 1600 PC3-12800 CL11 ECC UDIMM memory upgrade

SKU CH-5073-EBR56

16 GB DDR3-1600 ECC UDIMM kit (2 × 8 GB, CL11, 1.5 V) for ASUSTOR AS7009RDX and AS7012RDX

  • Total capacity16 GB (2 × 8 GB)
  • Rated speedDDR3 1600 (PC3 12800)
  • CAS latencyCL11
  • Rated voltage1.5 V
  • Buffer typeUnbuffered
  • Memory rank2Rx8

Capacity 16GB (2 x 8GB)

  • ECC protection prevents data errors in critical workloads
  • Dual 8 GB modules deliver 16 GB total capacity
  • DDR3 1600 speed matches PC3-12800 system requirements
  • JEDEC and RoHS compliant for warranty-safe upgrades
  • Unbuffered 240-pin UDIMM fits ASUSTOR AS7009RDX and AS7012RDX

OWC 16GB DDR3 ECC kit for ASUSTOR NAS

This 16GB kit contains two 8GB unbuffered ECC UDIMMs built to DDR3 1600 PC3-12800 CL11 specifications. It is validated for the ASUSTOR AS7009RDX and AS7012RDX network-attached storage units.

Suitable for owners of those ASUSTOR models

Builders whose systems require registered DIMMs, a different voltage, or a non-ECC configuration should look elsewhere. The modules are unbuffered and run at 1.5V, so they will not work in platforms that demand registered or lower-voltage memory.

The deciding spec is 240-pin DDR3 ECC unbuffered

Only systems that accept this exact combination of form factor, error correction, buffering type and voltage can use the kit. Check the motherboard or NAS documentation for that match before ordering.

How it compares

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

Price $62.99
Cheaper than about 74% of the 21,161 comparable items (median $397.99).
Total capacity 16 GB (2 × 8 GB)
Lower than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $3.94 per GB
Cheaper than about 85% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameOWC
Part number1E6D32R8016P
Total capacity16 GB (2 × 8 GB)
Product type240-Pin DDR3 ECC UDIMM
Performance
Rated speedDDR3 1600 (PC3 12800)
Memory
CAS latencyCL11
ECC supportYes
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsASUSTOR AS7009RDX
ASUSTOR AS7012RDX

Other versions of this model

5 more in the same range

Questions about this item

Should I pick the 16GB kit or add a single 8GB module?

The 16GB kit provides two matched 8GB modules for dual-channel operation on the ASUSTOR AS7009RDX and AS7012RDX.

What does the 1600MHz rating deliver in my ASUSTOR NAS?

The DDR3 1600 PC3-12800 modules run at CL11 latency, giving the rated bandwidth when installed in compatible bays.

How does the 240-pin ECC unbuffered interface limit the upgrade?

The 240-pin DDR3 ECC unbuffered DIMMs fit only systems that accept this exact form factor and ECC type.

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