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Two green circuit boards with gold edge connectors and black memory chips, no heat spreaders

OWC

OWC 32GB (2x16GB) DDR4 2666 ECC UDIMM for Synology FlashStation FS2500 memory upgrade

SKU CH-VQGV-4VH7T

32 GB kit of two 16 GB DDR4 2666 ECC UDIMM modules for Synology FlashStation FS2500

  • Capacity32GB (2 x 16GB)
  • Type288-Pin DDR4 ECC UDIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.2V
  • ECCYes

Capacity 32GB (2 x 16GB)

  • 32 GB dual-channel kit expands NAS memory capacity for heavier workloads
  • ECC protection detects and corrects single-bit errors to safeguard data integrity
  • 2666 MHz DDR4 speed with CL19 latency matches Synology FS2500 specifications
  • 2 V low-voltage modules reduce power draw and heat in rackmount chassis
  • JEDEC and RoHS compliant for warranty-safe upgrades across compatible 2133 MHz and 2400 MHz systems

Compatible upgrade for Synology FlashStation FS2500

This 32GB kit contains two 16GB DDR4 2666 ECC UDIMM modules built for the Synology FlashStation FS2500. The memory runs at PC4-21300 speed with CL19 latency and 1.2V operation. It targets administrators who need extra capacity for virtualisation, caching or multi-user workloads on that specific platform.

Tool-free DIMM installation with ECC verification

The 288-pin unbuffered sticks insert directly into the FS2500 slots without special tools. Because the modules are ECC unbuffered, the system must support ECC for error correction to function; a non-ECC board will ignore the parity bits. The kit is validated against OEM specifications, so firmware recognises the SPD data at 2666MHz without manual configuration.

DDR4 2666 ceiling and capacity boundary

The FS2500 memory controller tops out at 2666MHz, so faster DDR4 modules will downclock to this speed. The kit adds 32GB total; if the chassis has only two slots, no further expansion is possible without removing existing DIMMs. Backward compatibility covers 2133MHz and 2400MHz operation, but the platform cannot exceed the 2666MHz JEDEC limit.

Points forts

  • 32 GB dual-channel kit expands NAS memory capacity for heavier workloads
  • ECC protection detects and corrects single-bit errors to safeguard data integrity
  • 2666 MHz DDR4 speed with CL19 latency matches Synology FS2500 specifications
  • 2 V low-voltage modules reduce power draw and heat in rackmount chassis
  • JEDEC and RoHS compliant for warranty-safe upgrades across compatible 2133 MHz and 2400 MHz systems

Caractéristiques

BrandOWC
Part Number2E6D42R8032P
Capacity32GB (2 x 16GB)
Type288-Pin DDR4 ECC UDIMM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.2V
ECCYes
Buffered/RegisteredUnbuffered
Rank2Rx8
Heat SpreaderNo
Compatible SystemSynology FlashstationFS2500

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Questions sur cet article

How do I verify the 32GB kit is running at 2666MHz with ECC after installing it in my FS2500?

Check the Synology DSM Resource Monitor or run a memory diagnostic from the control panel; it will show 32GB total, DDR4 2666, CL19, 1.2V, and ECC active.

What comes in the box and is anything else required for installation?

The kit includes two 16GB 288-pin DDR4 ECC UDIMM modules; no extra parts or tools are needed for the FS2500 memory slots.

Should I choose this 32GB 2666MHz kit or a different speed for the FS2500?

The FS2500 is qualified for DDR4 2666 (PC4-21300) CL19 2Rx8 ECC UDIMM; this 32GB kit matches that exact specification.

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