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

Computer Memory Solutions

Computer Memory Solutions 2GB DDR3 1066MHz SODIMM Toshiba Nb505 B123

SKU CH-CAEJ-EKJ5K

A 2 GB DDR3 SODIMM running at 1066 MHz, built for the Toshiba Mini Nb505 series

  • Total capacity64 MB
  • Rated speedDDR3 1066 (PC3 8500)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL7
  • Memory timings7-7-7
  • Rated voltage1.5 V
  • Compatible upgrade for Toshiba Mini Nb505 models
  • DDR3 1066 MHz speed for responsive system performance
  • Single 2 GB module installs in one 204-pin slot
  • CL7 latency timing supports stable data access
  • Major-brand chipset components ensure reliable operation

System-Specific DDR3 SODIMM

This 2 GB DDR3 1066 MHz SODIMM module is built for Toshiba Mini NB505 series laptops. The 204-pin unbuffered stick runs at 1.5 V with CL7 timings and a single 1Rx8 rank. It installs directly into the factory memory slot without configuration changes.

Suited for NB505 owners needing a direct replacement

Users with other Toshiba models, different DDR generations, or systems requiring ECC or registered memory should look elsewhere. The module does not support higher voltages, other pin counts, or desktop DIMM slots.

Single-stick kit simplifies installation

The package contains one 2 GB module, so no matching pair is needed. Compatibility is validated for the NB505-N500BL and NB505-N508BL variants, removing guesswork during upgrades.

How it compares

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

Price $8.99
Cheaper than about 98% of the 21,161 comparable items (median $397.99).
Total capacity 64 MB
Lower than about 99% of the 20,941 comparable items (median 32 GB).
Price per GB $140.47 per GB
Pricier than about 90% 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 nameCM256648500SO
Total capacity64 MB
Product type204-Pin DDR3 SO-DIMM
Performance
Rated speedDDR3 1066 (PC3 8500)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL7
Memory timings7-7-7
ECC supportNo
Buffer typeUnbuffered
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsToshiba Mini Nb505-N500BlNb505-N508Bl
In the box
Included items1 Memory RAM Stick

Questions about this item

Will this 204-pin DDR3 SO-DIMM fit my Toshiba Mini Nb505-N500Bl or Nb505-N508Bl laptop?

Yes, this module is built for the Nb505-N500Bl and Nb505-N508Bl models. It uses the 204-pin DDR3 SO-DIMM form factor and runs at 1066 MHz with CL7 timing at 1.5 V.

Can I keep my existing memory and add this 2 GB stick alongside it?

The module is unbuffered, non-ECC and single-rank 1Rx8, so it will work in a second slot if your laptop has one free and the BIOS supports mixed capacities at PC3-8500 speed.

How can I verify the stick is running at the rated 1066 MHz after installation?

Open Task Manager or a tool like CPU-Z and check the memory tab; it should show 1066 MHz (PC3-8500) with 7-7-7 timings at 1.5 V.

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