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Green rectangular DDR4 UDIMM module with black chips and gold contacts

RIMLANCE

RIMLANCE RUD21300S8C4 4GB DDR4 2666 CL19 1.2V UDIMM 1Rx8

SKU CH-VX4K-PNH6P

A 4 GB DDR4 UDIMM running at 2666 MHz with CL19 latency and 1.2 V operation

  • Total capacity4 GB
  • Rated speedDDR4 2666 (PC4 21300)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL19
  • Buffer typeUnbuffered
  • Product typeRUD21300S8C4
  • Boosts multitasking with 4GB DDR4 capacity
  • Runs at 2666MHz PC4-21300 data rate
  • Low 1.2V voltage cuts power draw
  • CL19 latency keeps response snappy
  • Unbuffered 1Rx8 UDIMM fits standard desktops

RIMLANCE 4GB DDR4 2666 UDIMM

This single 4GB unbuffered DDR4 module runs at 2666MHz with CL19 latency and 1.2V operation. The 1Rx8 organisation fits standard desktop DIMM slots and uses major-brand chips for baseline stability. It adds entry-level capacity for everyday office or home systems.

Upgrade from 2GB or empty slots

Replacing a 2GB stick or populating a free slot doubles usable memory for light multitasking. The jump is worthwhile when the current system stutters with several browser tabs or office applications open. It restores headroom without requiring a full platform change.

Handles web browsing and document editing

The 4GB capacity comfortably runs a modern OS with typical productivity apps and a handful of browser tabs. It runs out when editing large media files, running virtual machines or keeping many heavy applications open simultaneously. Additional modules would be needed for those workloads.

How it compares

Measured against everything we stock in Desktop RAM, at today’s prices. Recalculated every night.

Price $23.99
Cheaper than about 84% of the 3,647 comparable items (median $90.99).
Total capacity 4 GB
Lower than about 80% of the 3,251 comparable items (median 16 GB).
Price per GB $6.00 per GB
Cheaper than about 59% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameRIMLANCE
Model nameRUD21300S8C4
Total capacity4 GB
Product typeRUD21300S8C4
Performance
Rated speedDDR4 2666 (PC4 21300)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL19
ECC supportNo
Buffer typeUnbuffered

Questions about this item

Does the 1Rx8 UDIMM need a 288-pin DDR4 slot?

Yes, it is a standard DDR4 UDIMM that fits a 288-pin desktop DIMM socket.

What is the correct way to seat the module so the CL19 timing works?

Align the notch with the slot key, press down evenly until both side clips click, then verify 2666 MHz in BIOS.

When should the 1.2 V module be replaced?

Replace if memory diagnostics report errors or the system becomes unstable under load.

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