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Green rectangular DDR4 memory module with gold edge contacts and black chips on both sides, no heat spreader

OWC

OWC 16GB DDR4 2400 CL17 ECC Registered RDIMM 2Rx8 1.2V 288-pin memory upgrade

SKU CH-SB9R-38X2W

16 GB DDR4 ECC registered RDIMM at 2400 MHz CL17 for QNAP TES-1885U, TES-3085U and TS-1685

  • Capacity16GB
  • Type288-Pin DDR4 ECC RDIMM
  • SpeedDDR4 2400 (PC4 19200)
  • CAS LatencyCL17
  • Voltage1.2V
  • ECCYes
  • 16 GB DDR4 2400 ECC registered memory protects data integrity
  • CL17 latency at 1.2 V keeps server response snappy
  • 2Rx8 288-pin RDIMM fits QNAP TES-1885U, TES-3085U, TS-1685
  • Replaces QNAP RAM-16GDR4ECT0-RD-2400 and RAM-16GDR4-RD-2400 modules
  • JEDEC and RoHS compliant for reliable long-term operation

ECC Registered DDR4 for QNAP NAS

This 16 GB DDR4 module runs at 2400 MT/s with CL17 latency and operates at 1.2 V. It uses a 288-pin RDIMM form factor with 2Rx8 organisation and includes on-board ECC. The registered design targets server and workstation platforms rather than standard desktops.

Registered buffer prevents desktop use

The single decisive specification is the registered ECC buffer. Standard desktop motherboards and consumer laptops cannot address registered DIMMs, so the module will not post in those systems. Compatibility is limited to the listed QNAP TES-1885U, TES-3085U and TS-1685 units.

Suits QNAP NAS upgrades only

Buyers expanding memory in the named QNAP models can install this module with confidence. Builders needing unbuffered DDR4 for consumer boards, or systems requiring a different speed, voltage or rank configuration, should look elsewhere.

Points forts

  • 16 GB DDR4 2400 ECC registered memory protects data integrity
  • CL17 latency at 1.2 V keeps server response snappy
  • 2Rx8 288-pin RDIMM fits QNAP TES-1885U, TES-3085U, TS-1685
  • Replaces QNAP RAM-16GDR4ECT0-RD-2400 and RAM-16GDR4-RD-2400 modules
  • JEDEC and RoHS compliant for reliable long-term operation

Caractéristiques

BrandOWC
Part Number2R4D42R816GB
Capacity16GB
Type288-Pin DDR4 ECC RDIMM
SpeedDDR4 2400 (PC4 19200)
CAS LatencyCL17
Voltage1.2V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx8
Heat SpreaderNo
Compatible SystemQNAP TES-1885U
QNAP TES-3085U
QNAP TS-1685

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Questions sur cet article

Will the 2400 speed and CL17 latency run at full rate in my QNAP TS-1685?

The module is rated DDR4 2400 PC4-19200 CL17; the NAS will operate it at its supported memory speed, which may be 2400 or a lower JEDEC bin.

Does the 288-pin registered ECC design require a specific motherboard slot type?

Yes, it needs a DDR4 RDIMM slot that supports registered ECC; standard desktop UDIMM slots will not accept it.

What physical clearance does the 16GB stick need inside the chassis?

It is a standard-height 288-pin RDIMM without a heat spreader, so it fits normal DIMM sockets with no extra vertical space.

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