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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 1066 CL7 SODIMM 204-pin A48

SKU CH-T1WA-YZKBT

2GB DDR3 SODIMM running at 1066 MHz with CL7 timing, validated for Lenovo 3000 G550 series laptops

  • Total capacity2 GB
  • Rated speedDDR3 1066 (PC3 8500)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL7
  • Memory timings7-7-7
  • Rated voltage1.5 V
  • 2GB DDR3-1066 SO-DIMM upgrades Lenovo 3000 G550
  • CL7 7-7-7 timing delivers responsive 1066 MHz operation
  • 5V unbuffered non-ECC design matches original specification
  • 204-pin 2Rx8 module installs directly into factory slot
  • CMS lifetime warranty backs guaranteed Lenovo compatibility

CMS 2 GB DDR3 SODIMM for Lenovo 3000 G550

This 2 GB DDR3 SODIMM runs at 1066 MHz with CL7 timing and 1.5 V operation. It is built as an unbuffered 204-pin module using a 2Rx8 rank configuration. The part is validated for Lenovo 3000 G550 series laptops including part numbers 59-031837 and 59-034045.

Suits owners upgrading a compatible Lenovo 3000 G550

Buyers who need ECC or registered memory should look elsewhere. Systems limited to lower voltage modules cannot use this 1.5 V stick. Laptops with only one memory slot gain no further capacity from a second module.

Deciding spec: DDR3 1066 CL7 204-pin SODIMM

The module matches the PC3 8500 speed grade and CL7 latency required by the listed Lenovo models. A different speed, pin count, or voltage will not fit or will not post. Verify the laptop part number against the compatibility list before ordering.

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 2 GB
Lower than about 95% of the 20,941 comparable items (median 32 GB).
Price per GB $4.50 per GB
Cheaper than about 81% 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 nameCM256648500SODRH
Total capacity2 GB
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 rank2Rx8
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsLenovo 3000 G550 Series 2958-Xxx; 59-031837; 59-034045
In the box
Included items1 Memory RAM Stick

Questions about this item

Will the 204-pin DDR3 SO-DIMM fit the Lenovo 3000 G550 memory slots?

Yes, the 204-pin DDR3 SO-DIMM matches the two SODIMM sockets in the Lenovo 3000 G550 series and installs directly without adapters.

How do I install the module and what step do people often miss?

Power off the laptop, remove the battery, open the memory cover, insert the stick at a 30-degree angle until the gold contacts disappear, then press down firmly until both side clips click — the click is the step many forget.

When will this memory need replacement or maintenance?

The module has no heat spreader and no moving parts, so it requires no routine maintenance; replace it only if a memory test reports errors or you upgrade to the 4 GB 32-bit or 8 GB 64-bit system maximum.

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