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Green circuit board with black memory chips, 260 gold edge contacts, no heat spreader

Crucial

Crucial CT16G4SFS8266 16GB DDR4 2666 laptop RAM

SKU CH-65Z8-B3G29 MPN CT16G4SFS8266

16 GB DDR4 SO-DIMM running at 2666 MHz with CL19 latency and 1.20 V operation

  • Capacity16GB
  • Type260-Pin DDR4 SO-DIMM
  • SpeedDDR4 2666 (PC4 21300)
  • CAS LatencyCL19
  • Timing19-19-19
  • Voltage1.20V
  • 16 GB capacity for demanding multitasking
  • DDR4 2666 speed for responsive performance
  • CL19 latency for quick data access
  • 20 V operation reduces power draw
  • 260-pin SO-DIMM fits standard laptop slots

16 GB DDR4 SO-DIMM for laptop upgrades

This 260-pin module delivers 16 GB of DDR4 memory at 2666 MT/s with CL19 timing. It operates at the standard 1.20 V and uses an unbuffered, non-ECC design. The single-ranked, x8-based organisation suits mainstream notebooks that accept PC4-21300 SO-DIMMs.

DDR4 2666 speed ceiling and voltage constraint

The DDR4 2666 interface caps transfer rates at 2666 MT/s, so systems that support faster DDR4 will run this module at its rated speed. The fixed 1.20 V operating voltage matches the DDR4 specification and cannot be raised for overclocking. Laptops limited to lower DDR4 speeds will down-clock the module automatically.

Tool-free slot installation with BIOS recognition

Installation requires opening the laptop’s memory compartment and pressing the SO-DIMM into the 260-pin slot until the retention clips engage. No heat spreader is present, so clearance is minimal. The most common issue is a BIOS that does not recognise the full 16 GB capacity until a firmware update is applied.

商品特色

  • 16 GB capacity for demanding multitasking
  • DDR4 2666 speed for responsive performance
  • CL19 latency for quick data access
  • 20 V operation reduces power draw
  • 260-pin SO-DIMM fits standard laptop slots

商品規格

BrandCrucial
ModelCT16G4SFS8266
Capacity16GB
Type260-Pin DDR4 SO-DIMM
SpeedDDR4 2666 (PC4 21300)
CAS LatencyCL19
Timing19-19-19
Voltage1.20V
ECCNo
Buffered/RegisteredUnbuffered
Heat SpreaderNo
FeaturesSingle Ranked • x8 based • 2048Meg x 64
出貨重量0.45 kg
包裝尺寸152 × 102 × 51 mm

商品問答

Should I choose the 16GB module or an 8GB version for my laptop?

This is a single 16GB DDR4 SO-DIMM; an 8GB version would provide half the capacity and may limit multitasking headroom.

What does the 2666 speed rating mean once the module is installed?

The module runs at DDR4 2666 (PC4 21300) with CL19 timings at 1.20V; actual throughput depends on the laptop's memory controller and any BIOS limits.

How does the 260-pin DDR4 SO-DIMM interface affect compatibility?

It fits laptops that accept 260-pin DDR4 SO-DIMMs; the interface caps operation to DDR4 signalling and the module's rated 2666 MT/s.

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