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Two green DDR4 ECC SODIMM sticks, black chips, no heat spreader

OWC

OWC 32GB (2×16GB) DDR4 2666MHz CL19 ECC SODIMM for Synology DS1522+

SKU CH-4GVG-PN32G

32 GB DDR4 2666 MHz CL19 ECC SODIMM kit validated for Synology DS1522+

  • Total capacity32 GB (2 × 16 GB)
  • Rated speedDDR4 2666 (PC4 21300)
  • CAS latencyCL19
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Memory rank2Rx8

Capacity 32GB (2 x 16GB)

  • 32 GB kit expands NAS capacity for heavier workloads
  • Dual 16 GB modules enable dual-channel bandwidth on DS1522+
  • DDR4 2666 CL19 ECC protects data integrity in 24/7 operation
  • JEDEC-standard 1.2 V unbuffered SODIMMs install without tools
  • Backward compatible with 2400 MHz and 2133 MHz systems

Compatible NAS upgrade kit

This 32 GB kit contains two 16 GB DDR4 ECC SODIMM modules rated at 2666 MHz CL19. It is built for the Synology DiskStation DS1522+ and runs at 1.2 V without a heat spreader.

Verify slot count and current population

The DS1522+ accepts 260-pin DDR4 SODIMMs and supports ECC unbuffered memory. Confirm how many slots your unit has free and whether existing modules match the 2Rx8 rank configuration before ordering.

Low-voltage operation keeps thermals modest

At 1.2 V the modules draw minimal power and generate little heat in a passively cooled NAS chassis. No moving parts are added, so acoustic output remains unchanged during normal workloads.

How it compares

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

Price $261.99
Cheaper than about 56% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB (2 × 16 GB)
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $8.19 per GB
Typical for this category: the median of 20,941 items is $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 number2C6D42R8032P
Total capacity32 GB (2 × 16 GB)
Product type260-Pin DDR4 ECC SODIMM
Performance
Rated speedDDR4 2666 (PC4 21300)
Memory
CAS latencyCL19
ECC supportYes
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsSynology DiskStationDS1522+

Other versions of this model

5 more in the same range

Questions about this item

Does the 32 GB kit include both 16 GB SODIMMs or must the second module be bought separately?

The kit contains two 16 GB modules, giving 32 GB total with no extra purchase required.

Should I pick the 2666 MHz CL19 version or a slower 2400 MHz alternative for the DS1522+?

The 2666 MHz CL19 modules are JEDEC-standard and backwards compatible with 2400 MHz and 2133 MHz, so they run at the highest speed the NAS supports.

What does the PC4-21300 rating mean once the memory is installed in the DS1522+?

It certifies a 2666 MT/s data rate at CL19 latency and 1.2 V, delivering the maximum bandwidth the DS1522+ memory controller can use.

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