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Green 288-pin DDR4 ECC UDIMM module, bare chips, no heat spreader

OWC

OWC 16GB DDR4 2666 ECC UDIMM CL19 1.2V 2Rx8 RS2821RP+ memory upgrade

SKU CH-74XX-9VT7N

A 16 GB DDR4 2666 ECC UDIMM module with CL19 latency and 1.2 V operation, designed for the Synology RackStation RS2821RP+ to add error-correcting memory capacity

  • Capacity16GB (1 x 16GB)
  • Type288-Pin DDR4 ECC UDIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Voltage1.2V
  • ECCYes
  • 16 GB DDR4 2666 boosts Synology RS2821RP+ capacity
  • ECC protection guards data integrity in NAS workloads
  • JEDEC PC4-21300 CL19 1.2 V ensures broad compatibility
  • 2Rx8 288-pin unbuffered installs in minutes without tools
  • Backward compatible with 2133 and 2400 MHz systems

OWC 16GB DDR4 ECC UDIMM for Synology RS2821RP+

This OWC module is a 16GB DDR4 2666 ECC unbuffered UDIMM designed as a direct upgrade for the Synology RackStation RS2821RP+. It operates at 1.2V with CL19 latency and a 2Rx8 rank configuration. The 288-pin DIMM adds error-correcting memory to compatible NAS, rackmount or DVA systems.

JEDEC DDR4 2666 standard limits

The DDR4 2666 JEDEC standard caps data rate at 2666 MT/s and voltage at 1.2V. This module meets those limits and will down-clock to 2400 or 2133 MT/s if the platform requires it. Systems that demand registered DIMMs or higher voltages cannot use this unbuffered 1.2V part.

16GB single-module capacity decides fit

The single 16GB density determines whether the RS2821RP+ reaches its maximum supported memory. If the chassis has vacant slots, this module expands capacity; if all slots are filled, a higher-density stick would be required instead.

商品特色

  • 16 GB DDR4 2666 boosts Synology RS2821RP+ capacity
  • ECC protection guards data integrity in NAS workloads
  • JEDEC PC4-21300 CL19 1.2 V ensures broad compatibility
  • 2Rx8 288-pin unbuffered installs in minutes without tools
  • Backward compatible with 2133 and 2400 MHz systems

商品規格

BrandOWC
Part Number2E6D42R816GB
Capacity16GB (1 x 16GB)
Type288-Pin DDR4 ECC UDIMM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Voltage1.2V
ECCYes
Buffered/RegisteredUnbuffered
Rank2Rx8
Heat SpreaderNo
Compatible SystemSynology RackstationRS2821RP+

商品問答

Should I pick the single 16 GB stick or add multiple modules to reach the RS2821RP+ maximum?

The module is sold as one 16 GB DDR4 2666 ECC UDIMM; the RS2821RP+ has four slots, so you can install one now and add matching sticks later to scale capacity.

Will the 2666 MHz rating actually run at that speed inside the RS2821RP+?

The NAS memory controller supports 2666 MHz, so the module operates at its rated 2666 MT/s with CL19 latency without down-clocking.

Does the 288-pin DDR4 ECC unbuffered interface limit total capacity or speed in the RS2821RP+?

The 288-pin DDR4 ECC UDIMM interface is the native standard for the RS2821RP+; it imposes no extra cap beyond the four-slot, 2666 MHz design of the system.

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