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Green circuit board with black memory chips, gold edge connector, thin rectangular SODIMM module

OWC

OWC 16GB DDR4 2400MHz CL17 1.2V 260pin SODIMM for HP ProBook 450 G6 470 G5 640 G4 640 G5 645 G4 memory upgrade

SKU CH-XXRY-E1VAT

16 GB DDR4 2400 MHz CL17 SODIMM upgrades compatible HP ProBook 450 G6, 470 G5, 640 G4, 640 G5 and 645 G4 laptops

  • Capacity16GB
  • Type260-Pin DDR4 Non-ECC SODIMM
  • SpeedDDR4 2400 (PC4 19200)
  • CAS LatencyCL17
  • Voltage1.2V
  • ECCNo
  • 16 GB capacity lets you run more apps simultaneously
  • 2400 MHz DDR4 speed keeps data moving quickly
  • CL17 latency reduces access delays for snappier response
  • 2 V operation lowers power draw and heat
  • 260-pin SODIMM fits HP ProBook 450 G6, 470 G5, 640 G4, 640 G5 and 645 G4

Targeted 16 GB DDR4 SODIMM for select HP ProBooks

This 16 GB DDR4 2400 MHz CL17 SODIMM is built for HP ProBook 450 G6, 470 G5, 640 G4, 640 G5 and 645 G4 laptops. It delivers a straightforward capacity increase for professionals who need more headroom for multitasking and larger datasets.

Verify slot count and maximum supported memory

Confirm your ProBook has a free 260-pin DDR4 SODIMM slot and check the service manual for the maximum memory per slot and total system limit. The module is non-ECC, unbuffered, 1.2 V and backward compatible with 2133 MHz operation, but it cannot be used in systems that require ECC or registered memory.

Steady JEDEC-rated throughput under continuous

Rated at PC4-19200 with CL17 timings, the module maintains its specified bandwidth during extended compile, render or virtualisation sessions. Without a heat spreader it relies on the laptop’s internal airflow, so sustained performance depends on the chassis thermal design rather than a short burst.

Points forts

  • 16 GB capacity lets you run more apps simultaneously
  • 2400 MHz DDR4 speed keeps data moving quickly
  • CL17 latency reduces access delays for snappier response
  • 2 V operation lowers power draw and heat
  • 260-pin SODIMM fits HP ProBook 450 G6, 470 G5, 640 G4, 640 G5 and 645 G4

Caractéristiques

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 SystemHP ProBook 450 G6
HP ProBook 470 G5
HP ProBook 640 G4
HP ProBook 640 G5
HP ProBook 645 G4

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Questions sur cet article

What comes with the OWC 16GB DDR4 2400MHz SODIMM and do I need anything else to install it?

The module itself is the only item included; no tools or extra parts are required for installation in a compatible HP ProBook.

How do I choose between the listed HP ProBook models such as the 450 G6, 470 G5, 640 G4, 640 G5 and 645 G4?

Select the module that matches your exact ProBook model number; the 260-pin DDR4 2400MHz CL17 1.2V specification is validated for each of those five series.

What does the 2400MHz PC4-19200 CL17 rating mean for real-world performance in my laptop?

It delivers 2400MHz throughput with CAS latency 17 at 1.2V, and is backwards compatible with 2133MHz systems, boosting multitasking and large-file handling.

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