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Green circuit board SODIMM memory module with black chips, 260 pins, no heat spreader

OWC

OWC 2S4D42R816GB 16GB DDR4 2400MHz CL17 1.2V 260-Pin SODIMM Dell Latitude 5490 5495 5580 5590 7290

SKU CH-RFFZ-M5CRH

A 16 GB DDR4 2400 MHz SODIMM module built for Dell Latitude 5490, 5495, 5580, 5590 and 7290 laptops

  • Capacity16GB
  • Type260-Pin DDR4 Non-ECC SODIMM
  • SpeedDDR4 2400 (PC4 19200)
  • CAS LatencyCL17
  • Voltage1.2V
  • ECCNo
  • 16 GB DDR4 2400 MHz boosts multitasking speed
  • CL17 latency at 1.2 V keeps power draw low
  • 260-pin SODIMM fits Dell Latitude 5490 5495 5580 5590 7290
  • JEDEC and RoHS compliant for warranty-safe upgrades
  • 2Rx8 unbuffered non-ECC design ensures stable operation

16 GB DDR4 SODIMM for Dell Latitude

This 16 GB DDR4 2400 MHz CL17 SODIMM is built for Dell Latitude 5490, 5495, 5580, 5590 and 7290 laptops. It uses a 260-pin unbuffered non-ECC design at 1.2 V. The module meets JEDEC and RoHS standards for a warranty-safe upgrade.

Replaces factory memory in listed Latitude models

Upgrading from the original 4 GB or 8 GB modules to this 16 GB stick adds headroom for multitasking and larger workloads. The jump is worthwhile when the system supports a single 16 GB module and the current memory limits open applications.

Verify slot count and maximum per slot

Check the service manual for your specific Latitude model to confirm the number of SODIMM slots and the maximum capacity each slot accepts. Ensure the BIOS is current and that the existing module matches the DDR4 2400 specification for best compatibility.

Highlights

  • 16 GB DDR4 2400 MHz boosts multitasking speed
  • CL17 latency at 1.2 V keeps power draw low
  • 260-pin SODIMM fits Dell Latitude 5490 5495 5580 5590 7290
  • JEDEC and RoHS compliant for warranty-safe upgrades
  • 2Rx8 unbuffered non-ECC design ensures stable operation

Specifications

BrandOWC
Part Number2S4D42R816GB
Capacity16GB
Type260-Pin DDR4 Non-ECC SODIMM
SpeedDDR4 2400 (PC4 19200)
CAS LatencyCL17
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
Heat SpreaderNo
Compatible SystemDell Latitude 5490
Dell Latitude 5495
Dell Latitude 5580
Dell Latitude 5590
Dell Latitude 7290

Questions about this item

Will the 260-pin SODIMM fit the memory slot in a Dell Latitude 5490?

Yes, the 260-pin DDR4 SODIMM form factor matches the slot used in the Latitude 5490, 5495, 5580, 5590 and 7290.

What is the correct way to seat this module, and where do people go wrong?

Align the notch on the module with the key in the slot, insert at an angle until the contacts are fully hidden, then press down evenly until both retention clips snap into place; the common error is pressing one side before the other, which leaves the module partially seated.

Does this 16GB DDR4 2400MHz CL17 module require any firmware updates or periodic replacement?

No firmware updates are needed for the memory itself; it is a passive component with no moving parts and no scheduled replacement interval.

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