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Green circuit board with black memory chips, 204-pin DDR3 SODIMM module

Computer Memory Solutions

Computer Memory Solutions CM5126412800SODRH 4GB DDR3 1600MHz CL11 1.5V 204-pin SODIMM memory upgrade

SKU CH-7A2V-BPMCE

4GB DDR3 1600MHz SODIMM module rated CL11 at 1.5V for Toshiba Portege R830-S8332 and R830-SP3173M systems

  • Total capacity4 GB
  • Rated speedDDR3 1600 (PC3 12800)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL11
  • Memory timings11-11-11
  • Rated voltage1.5 V
  • 4GB capacity adds responsive multitasking headroom
  • DDR3 1600MHz speed delivers quick data throughput
  • CL11 latency keeps access times low
  • 5V operation matches standard notebook power
  • Validated for Portege R830-S8332 R830-Sp3173M R830-Sp3174M

Targeted DDR3 SODIMM Upgrade

This 4 GB DDR3 1600 MHz module is built for Toshiba Portege R830 models including the 8332, 3173 and 3174 variants. It uses a 204-pin SO-DIMM form factor with CL11 timing and unbuffered, non-ECC operation. The single stick installs directly into one of the two available slots.

Cool Silent Low-Voltage Operation

Running at 1.5 V without a heat spreader, the module draws minimal power and produces no audible noise during normal workloads. Passive cooling is sufficient for typical office and web tasks. The major-brand chipset maintains stability at the rated 11-11-11 timings.

Step Up From Smaller Kits

The upgrade replaces a 2 GB stick or fills an empty slot to reach a higher total capacity. It is not for systems that require ECC, registered memory or a different DDR generation. Buyers needing more than 4 GB per slot should look elsewhere.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $9.99
Cheaper than about 97% of the 21,161 comparable items (median $397.99).
Total capacity 4 GB
Lower than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $2.50 per GB
Cheaper than about 92% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM5126412800SODRH
Total capacity4 GB
Product type204-Pin DDR3 SO-DIMM
Performance
Rated speedDDR3 1600 (PC3 12800)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL11
Memory timings11-11-11
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsToshiba Portege R830-S8332 R830-Sp3173M, R830-Sp3174M
In the box
Included items1 Memory RAM Stick

Questions about this item

How do I install this 204-pin DDR3 SODIMM in my Portege R830-S8332, and what step do people often miss?

Power off, unplug, remove the battery, open the memory door, insert the stick at the correct angle until it clicks into both latches, then reassemble; the step most often missed is removing the battery before opening the door.

What maintenance or replacement will this 4GB DDR3 1600MHz CL11 module need later?

No routine maintenance is required; if a memory error appears, the module is covered by a limited lifetime warranty for exchange or repair against manufacturing defects.

What limit shows up first when this unbuffered 1.5V 2Rx8 SODIMM runs under sustained load?

The thermal limit of the chips without a heat spreader is reached first, causing the memory controller to throttle bandwidth to protect the module.

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