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Green circuit board with black memory chips and gold edge contacts

OWC

OWC 8GB DDR4 2400MHz CL17 1.2V 260pin SODIMM for HP ProBook 445R G6 455 G6 455R G6 640 G3 650 G3

SKU CH-KZN2-4H8J5

8 GB DDR4 SODIMM running at 2400 MHz CL17 for HP ProBook 445R G6, 455 G6, 455R G6, 640 G3 and 650 G3

  • Capacity8GB
  • Type260-Pin DDR4 Non-ECC SODIMM
  • SpeedDDR4 2400 (PC4 19200)
  • CAS LatencyCL17
  • Voltage1.2V
  • ECCNo
  • 8 GB capacity adds multitasking headroom for everyday workloads
  • DDR4 2400 MHz speed matches HP ProBook factory specifications
  • CL17 latency at 1.2 V keeps power draw low
  • 260-pin SODIMM form factor fits 445R G6 455 G6 455R G6 640 G3 650 G3
  • JEDEC compliant non-ECC unbuffered design ensures warranty-safe upgrade

System-Specific DDR4 Upgrade

This 8GB DDR4 2400MHz SODIMM is built for HP ProBook 445R G6, 455 G6, 455R G6, 640 G3 and 650 G3 laptops. It targets owners of those models who need more memory for everyday multitasking. The module is not suitable for systems requiring ECC, registered DIMMs or a different pin count.

Installation and Compatibility

The 260-pin unbuffered Non-ECC stick plugs directly into the laptop's SODIMM slot with no extra cables or brackets required. It runs at the standard 1.2V, leaving the original power budget untouched. Backward compatibility with 2133MHz systems allows it to work in older slots, but it cannot be used in desktops needing full-size DIMMs or in servers demanding ECC.

Sustained Operation

JEDEC-compliant DDR4 timing (CL17 at 2400MHz) delivers stable throughput during long work sessions without voltage spikes. The lack of a heat spreader is normal for this form factor; the module relies on the chassis airflow already present in the supported ProBooks. It is not designed for overclocking or extreme thermal environments beyond the laptop's stock cooling.

Highlights

  • 8 GB capacity adds multitasking headroom for everyday workloads
  • DDR4 2400 MHz speed matches HP ProBook factory specifications
  • CL17 latency at 1.2 V keeps power draw low
  • 260-pin SODIMM form factor fits 445R G6 455 G6 455R G6 640 G3 650 G3
  • JEDEC compliant non-ECC unbuffered design ensures warranty-safe upgrade

Specifications

BrandOWC
Part Number2S4D42R808GB
Capacity8GB
Type260-Pin DDR4 Non-ECC SODIMM
SpeedDDR4 2400 (PC4 19200)
CAS LatencyCL17
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
Heat SpreaderNo
Compatible SystemHP ProBook 445R G6
HP ProBook 455 G6
HP ProBook 455R G6
HP ProBook 640 G3
HP ProBook 650 G3

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Questions about this item

Will the CL17 latency limit throughput when the module runs at 2400MHz for long periods?

CL17 is the rated timing for DDR4 2400MHz operation; the module maintains this latency at its specified speed.

Does the 1.2V unbuffered design run cooler or draw less power than registered alternatives during all-day use?

At 1.2V the unbuffered SODIMM draws standard DDR4 power and generates typical heat for laptop memory without a heat spreader.

Must the HP ProBook 445R G6, 455 G6, 455R G6, 640 G3 or 650 G3 already have a free 260-pin DDR4 slot to install this 8GB module?

Yes, the notebook needs an available 260-pin DDR4 SODIMM slot that supports non-ECC unbuffered memory.

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