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

Computer Memory Solutions

Computer Memory Solutions CM20486417000SO 16GB DDR4 2133MHz SODIMM for HP Elitebook 840 G3 memory upgrade

SKU CH-FX5G-3P1JV

16 GB DDR4 SODIMM running at 2133 MHz CL15, validated for HP EliteBook 840 G3 upgrades

  • Capacity16GB
  • Type260-Pin DDR4 SO-DIMM
  • SpeedDDR4 2133 (PC4 17000)
  • CAS LatencyCL15
  • Timing15-15-15
  • Voltage1.2V
  • 16 GB capacity doubles EliteBook 840 G3 memory headroom
  • DDR4 2133 MHz speed matches factory specification exactly
  • CL15 15-15-15 timing keeps latency low for responsive multitasking
  • 2 V operation reduces power draw and heat inside the chassis
  • 260-pin SODIMM form factor fits both factory memory slots directly

Target System

This 16 GB DDR4 SODIMM is built for the HP EliteBook 840 G3. It fits the laptop’s two 260-pin slots and raises total memory toward the 32 GB maximum. The module is unbuffered, non-ECC and runs at 1.2 V, matching the platform’s standard voltage.

DDR4-2133 Ceiling

The EliteBook 840 G3 memory controller tops out at DDR4-2133, so faster modules will down-clock to this speed. CAS latency is fixed at CL15 with 15-15-15 timings. Only two SODIMM sockets exist, limiting upgrades to a pair of modules.

Single-Module Capacity

Each stick provides 16 GB in a 2Rx8 organisation. Installing one module leaves the second slot free for a matching kit later. Buyers who need the full 32 GB must purchase a second identical unit.

Highlights

  • 16 GB capacity doubles EliteBook 840 G3 memory headroom
  • DDR4 2133 MHz speed matches factory specification exactly
  • CL15 15-15-15 timing keeps latency low for responsive multitasking
  • 2 V operation reduces power draw and heat inside the chassis
  • 260-pin SODIMM form factor fits both factory memory slots directly

Specifications

BrandComputer Memory Solutions
ModelCM20486417000SO
Capacity16GB
Type260-Pin DDR4 SO-DIMM
SpeedDDR4 2133 (PC4 17000)
CAS LatencyCL15
Timing15-15-15
Voltage1.2V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemHp/Compaq Elitebook 840 G3
Package Content1 Memory RAM Stick

Questions about this item

Is the single 16GB module the right choice if my EliteBook 840 G3 has two slots and I want 32GB total?

Yes, the laptop supports a maximum of 32GB across two sockets, so adding a second identical 16GB stick will reach that limit.

Will the PC4-17000 rating actually run at 2133MHz in my EliteBook 840 G3?

The module is rated for DDR4 2133MHz and the EliteBook 840 G3 memory controller supports that speed, so it will operate at the full 2133MHz.

Does the 260-pin SODIMM interface limit the bandwidth compared to a full-size DIMM?

The 260-pin SODIMM form factor carries the same DDR4 2133MHz signal as a desktop DIMM, so bandwidth is not reduced by the smaller connector.

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