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Green rectangular DDR4 memory module with gold contacts and black chips, no heat spreader

OWC

OWC 8GB DDR4 3200 PC4-25600 CL22 1Rx8 288-pin 1.2V ECC Registered RDIMM memory upgrade

SKU CH-NAVN-70V82

ECC registered DDR4 module adds 8 GB at 3200 MT/s for compatible QNAP servers

  • Total capacity8 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • CAS latencyCL22
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Memory rank1Rx8

Capacity 8GB

  • ECC protection prevents data corruption in server workloads
  • Registered design stabilises signals for QNAP ES1686dc and ES2486dc
  • 3200 MT/s DDR4 speed matches PC4-25600 system requirements
  • Low 1.2 V operation reduces power draw and heat
  • Single 8 GB module with CL22 latency for straightforward capacity expansion

Compatible QNAP NAS models

This 8GB DDR4 ECC Registered DIMM is built for QNAP ES1686dc and ES2486dc systems. It targets administrators upgrading memory in those specific rackmount NAS units. The module will not work in standard desktop computers or consumer motherboards. It also cannot be mixed with unbuffered memory modules.

Registered ECC DDR4 specification

The stick runs at DDR4 3200 with a PC4-25600 data rate and CL22 latency at 1.2V. It uses a 1Rx8 organisation across 288 pins and includes a register to buffer address and command signals. ECC capability detects and corrects single-bit errors for data integrity in server workloads.

Server memory installation notes

Each module is a single 8GB rank without a heat spreader, fitting standard 288-pin DDR4 slots in the supported QNAP models. OWC recommends populating all channels with identical capacity, speed and manufacturer modules for optimal performance. The registered design requires a platform that supports registered DIMMs.

How it compares

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

Price $83.99
Cheaper than about 70% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB
Lower than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $10.50 per GB
Pricier than about 54% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameOWC
Part number3R2D41R808 GB
Total capacity8 GB
Product type288-Pin DDR4 ECC RDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Memory
CAS latencyCL22
ECC supportYes
Buffer typeRegistered
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsQNAP ES1686dc
QNAP ES2486dc

Other versions of this model

3 more in the same range

Questions about this item

How does the 3200 MT/s speed translate once this module is installed in a QNAP ES1686dc or ES2486dc?

The module runs at its rated DDR4 3200 speed when the system memory controller supports that frequency; otherwise it will down-clock to the highest speed the platform allows.

What does the 288-pin registered DDR4 interface mean for compatibility with these NAS units?

The 288-pin RDIMM form factor and registered ECC design match the memory slots in the ES1686dc and ES2486dc, and it cannot be used in standard desktop boards that expect unbuffered DIMMs.

What physical clearance does the 1Rx8 module need inside the chassis?

It is a standard-height 288-pin DIMM without a heat spreader, so it fits the regular memory slots in the QNAP ES1686dc and ES2486dc without extra clearance.

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