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Two green DDR3 SODIMM modules with black chips, no heat spreader

Computer Memory Solutions

Computer Memory Solutions 8GB (2x4GB) DDR3 1333MHz CL7 SODIMM memory upgrade - A29

SKU CH-HXNM-5M15Z

8GB DDR3 1333MHz CL7 SODIMM kit for HP ProBook 4411S, 4420S, 4421S, 4430S, 4431S

  • Capacity8GB (2 x 4GB)
  • Type204-Pin DDR3 SO-DIMM
  • SpeedDDR3 1333 (PC3 10600)
  • CAS LatencyCL7
  • Timing7-7-7
  • Voltage1.5V
  • 8 GB kit expands multitasking headroom for compatible HP ProBook models
  • CL7 latency at 1333 MHz delivers responsive DDR3 performance
  • 204-pin SO-DIMM form factor fits factory memory slots directly
  • 5 V unbuffered modules install without configuration changes
  • Two 4 GB sticks enable dual-channel operation on supported platforms

Compatible ProBook DDR3 SO-DIMM kit

This 8 GB kit contains two 4 GB DDR3 1333 MHz SO-DIMM modules rated at CL7 7-7-7 timing and 1.5 V. The 204-pin unbuffered non-ECC sticks use major-brand chips and are validated for HP/Compaq ProBook 4411S, 4420S, 4421S, 4430S and 4431S notebooks.

Who should buy this and who should not

Owners of the listed ProBook models wanting a matched pair to fill both memory sockets will gain the full 8 GB capacity under a 64-bit operating system. Buyers with DDR2-only ProBook variants, systems limited to a single SO-DIMM slot, or laptops requiring registered or ECC memory cannot use this kit.

Deciding specification — DDR3 1333 CL7 204-pin

The modules run at DDR3 1333 (PC3-10600) with CAS latency 7 and 204-pin SO-DIMM form factor; this exact combination of speed, latency, voltage and pin count determines whether the laptop will recognise and stabilise the upgrade.

Punti di forza

  • 8 GB kit expands multitasking headroom for compatible HP ProBook models
  • CL7 latency at 1333 MHz delivers responsive DDR3 performance
  • 204-pin SO-DIMM form factor fits factory memory slots directly
  • 5 V unbuffered modules install without configuration changes
  • Two 4 GB sticks enable dual-channel operation on supported platforms

Caratteristiche tecniche

BrandComputer Memory Solutions
ModelCM5126410600SODRH
Capacity8GB (2 x 4GB)
Type204-Pin DDR3 SO-DIMM
SpeedDDR3 1333 (PC3 10600)
CAS LatencyCL7
Timing7-7-7
Voltage1.5V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemHp/Compaq Probook 4411S, 4420S, 4421S, 4430S, 4431S
Package Content2 Memory RAM Sticks

Domande su questo articolo

Will the 204-pin SODIMM modules fit the memory slots on my HP ProBook 4430s?

Yes, the 204-pin DDR3 SODIMM form factor matches the slots used in the compatible ProBook models listed.

What is the correct way to seat both 4GB sticks so the system recognises the full 8GB?

Insert each module at a 30-degree angle until the gold contacts disappear, then press down firmly until both side clips click into place.

Will I need to replace these modules if I move to a 64-bit operating system later?

No, the 8GB kit already supports the maximum 8GB addressable by a 64-bit OS on these two-slot ProBook models.

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