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Two green DDR4 SODIMM sticks, 260-pin, no heat spreader, 32GB kit

Computer Memory Solutions

Computer Memory Solutions CM2048642666SO 32GB DDR4 2666MHz SODIMM memory upgrade

SKU CH-FVRN-HMM0J

32GB dual-channel kit of 2666MHz DDR4 SODIMM modules validated for Dell Latitude 5491, Vostro 7580 and XPS 9570

  • Capacity32GB (2 x 16GB)
  • Type260-Pin DDR4 SO-DIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Timing19-19-19
  • Voltage1.2V
  • 32 GB dual-channel kit ready for demanding workloads
  • 2666 MHz DDR4 speed keeps data flowing smoothly
  • CL19 timing delivers responsive multitasking
  • 2 V operation reduces power draw and heat
  • Tested compatible with Dell Latitude 14 5491, Vostro 15 7580 and XPS 15 9570

Precision upgrade for Dell laptops

This 32 GB kit delivers two 16 GB DDR4 SO-DIMM modules rated at 2666 MHz with CL19 timing. It targets owners of the Latitude 14 (5491), Vostro 15 (7580) and XPS 15 (9570) who need the maximum supported memory in a single purchase. The unbuffered, non-ECC design matches the factory specification for these systems.

Replaces factory 8 GB or 16 GB configs

Most of the listed notebooks ship with one or two lower-capacity sticks that leave headroom for expansion. Swapping to this 2 x 16 GB set fills both SO-DIMM slots and reaches the 32 GB ceiling quoted by Dell, eliminating the mismatch that can limit dual-channel bandwidth. The jump is worthwhile when multitasking, virtual machines or large media projects exceed the original allocation.

Drops into two 260-pin slots at 1.2 V

Installation requires no tools beyond a screwdriver to access the memory bay; the modules seat in the existing slots and draw standard DDR4 voltage. No heat spreader means the sticks stay low-profile for tight chassis clearance. The kit frees the second slot on single-stock units and avoids the guesswork of mixing speeds or ranks.

Highlights

  • 32 GB dual-channel kit ready for demanding workloads
  • 2666 MHz DDR4 speed keeps data flowing smoothly
  • CL19 timing delivers responsive multitasking
  • 2 V operation reduces power draw and heat
  • Tested compatible with Dell Latitude 14 5491, Vostro 15 7580 and XPS 15 9570

Specifications

BrandComputer Memory Solutions
ModelCM2048642666SO
Capacity32GB (2 x 16GB)
Type260-Pin DDR4 SO-DIMM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Timing19-19-19
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemDell Latitude 14 (5491) Vostro 15 (7580), XPS 15 (9570)
Package Content2 Memory RAM Sticks

Questions about this item

Will these 260-pin DDR4 SO-DIMM sticks fit the two memory slots in a Dell XPS 15 (9570)?

Yes, the kit is validated for the XPS 15 (9570) which has two SODIMM slots; the 260-pin DDR4 form factor matches the socket exactly.

What is the correct way to seat the modules so the laptop recognises the full 32 GB?

Insert each stick at a 30-degree angle until the gold contacts disappear, then press down firmly until both side clips click — partial insertion is the most common reason the capacity is not detected.

When should the memory be reseated or replaced to keep the system stable?

Reseat the modules if the laptop fails POST or shows memory errors after a hardware change; otherwise the non-ECC unbuffered DDR4 requires no scheduled maintenance.

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