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

OWC

OWC 2R4D42R816GB 16GB DDR4 2400 ECC RDIMM 2Rx8 CL17 1.2V Supermicro X11SDW

SKU CH-GS2F-80T9B

16 GB DDR4-2400 ECC registered RDIMM, CL17 1.2 V, validated for Supermicro X11SDW server boards

  • Total capacity16 GB
  • Rated speedDDR4 2400 (PC4 19200)
  • CAS latencyCL17
  • Rated voltage1.2 V
  • Buffer typeRegistered
  • Memory rank2Rx8
  • ECC registered design protects data integrity in server workloads
  • DDR4 2400MHz speed with CL17 latency delivers responsive performance
  • 2V operation reduces power draw for efficient operation
  • 288-pin RDIMM form factor fits Supermicro X11SDW motherboards
  • 16GB capacity expands memory for virtualisation and databases

Targeted Server Upgrade

This OWC module is a 16 GB DDR4 2400 ECC registered DIMM built for specific Supermicro X11SDW motherboards. It targets administrators maintaining or expanding compatible server and workstation platforms.

DDR4 2400 Registered Limits

The DDR4 2400 interface caps bandwidth at PC4 19200 with CL17 latency and 1.2 V operation. Registered signalling adds a clock cycle, so this memory cannot be mixed with unbuffered modules or used in standard desktop boards.

16 GB Capacity Headroom

A single 16 GB 2Rx8 DIMM suits moderate virtualisation, NAS workloads and multi-threaded services. Systems needing larger memory pools or higher frequencies will exceed what this module provides.

How it compares

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

Price $95.99
Cheaper than about 68% of the 21,161 comparable items (median $397.99).
Total capacity 16 GB
Lower than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $6.00 per GB
Cheaper than about 65% of the 20,941 comparable items (median $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 number2R4D42R816 GB
Total capacity16 GB
Product type288-Pin DDR4 ECC RDIMM
Performance
Rated speedDDR4 2400 (PC4 19200)
Memory
CAS latencyCL17
ECC supportYes
Buffer typeRegistered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.2 V

Other versions of this model

5 more in the same range

Questions about this item

Is this 16GB DDR4 2400 module sold as a single stick or in a kit?

The part number 2R4D42R816GB identifies one 16GB DDR4 2400 ECC RDIMM; order the quantity you need to fill your X11SDW slots.

Will the CL17 latency at 2400MHz deliver the rated speed on my Supermicro X11SDW-14CN-TP13F+?

Yes — the module is specified at DDR4 2400 (PC4-19200) with CL17 timing and 1.2V, matching the board's supported memory profile.

Does the 288-pin ECC registered RDIMM interface limit the maximum memory speed on this platform?

The registered DDR4 2400 interface runs at the rated 2400MHz on compatible X11SDW motherboards; the registered design does not reduce the bus speed.

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