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Green circuit board with black memory chips and gold edge connector

Computer Memory Solutions

Computer Memory Solutions CM1024642400SO 8GB DDR4 2400 CL17 2Rx8 260-pin SO-DIMM

SKU CH-MF1Z-N1HKM

8 GB DDR4 2400 CL17 SO-DIMM for HP ProBook 455 G6, 455R G6, 470 G3 and x360 440 G1 notebooks

  • Capacity8GB
  • Type260-Pin DDR4 SO-DIMM
  • SpeedDDR4 2400 (PC4 19200)
  • CAS LatencyCL17
  • Timing17-17-17
  • Voltage1.2V
  • 8GB capacity upgrades compatible HP ProBook systems
  • 2400 MHz DDR4 speed supports responsive multitasking
  • CL17 latency with 1.2V operation for efficient performance
  • 2Rx8 dual-rank unbuffered design fits 260-pin SO-DIMM slots
  • Tested compatibility with ProBook 455 G6, 455R G6, 470 G3, x360 440 G1

8GB DDR4 SO-DIMM for HP ProBook

This 8GB DDR4 2400 CL17 module is built for HP ProBook 455 G6, 455R G6, 470 G3 and x360 440 G1 laptops. It uses a 260-pin SO-DIMM form factor, runs at 1.2V and is unbuffered non-ECC. The single stick expands memory in compatible systems without requiring configuration changes.

Check slots and OS before ordering

Verify your laptop has a free SO-DIMM slot; the supported platforms offer two sockets with a 32GB maximum. A 64-bit operating system is needed to address more than 4GB of memory. All installed modules will run at the speed of the slowest stick or the processor limit.

Replaces slower or smaller DDR4 sticks

Swapping a 4GB module or a lower-frequency DDR4 SO-DIMM for this 8GB CL17 unit adds capacity and can raise the memory clock to 2400 MHz. The upgrade is worthwhile when the system currently runs at a lower speed or has only one populated slot.

Highlights

  • 8GB capacity upgrades compatible HP ProBook systems
  • 2400 MHz DDR4 speed supports responsive multitasking
  • CL17 latency with 1.2V operation for efficient performance
  • 2Rx8 dual-rank unbuffered design fits 260-pin SO-DIMM slots
  • Tested compatibility with ProBook 455 G6, 455R G6, 470 G3, x360 440 G1

Specifications

BrandComputer Memory Solutions
ModelCM1024642400SO
Capacity8GB
Type260-Pin DDR4 SO-DIMM
SpeedDDR4 2400 (PC4 19200)
CAS LatencyCL17
Timing17-17-17
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemHP/Compaq ProBook 455 G6, ProBook 455R G6, ProBook 470 G3ProBook x360 440 G1
Package Content1 Memory RAM Stick

Questions about this item

Does the package include anything besides the single 8 GB DDR4 SO-DIMM?

The box contains one 260-pin DDR4 2400 CL17 module rated at 1.2 V; no heat spreader, cables or tools are supplied.

My ProBook 455 G6 has two slots and supports up to 32 GB — should I add one stick or a matched pair?

Installing two identical 8 GB sticks in the two slots enables dual-channel operation and lets the system reach the full 32 GB limit; a single stick works but runs in single-channel mode.

Will the CL17 2400 MHz rating actually run at that speed in an HP ProBook x360 440 G1?

The module is rated DDR4-2400 CL17, but the laptop’s memory controller and any slower modules already installed will determine the final operating frequency and timings.

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