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Green 168-pin DIMM memory module with black chips

Computer Memory Solutions

Computer Memory Solutions 512MB PC133 168-pin DIMM memory upgrade

SKU CH-3MNT-W24TS

512 MB PC133 SDRAM DIMM with 168 pins and CL3 timing, validated for the Roland MC-909 Sampling Groovebox Keyboard

  • Capacity512MB
  • SpeedPC 133
  • CAS LatencyCL3
  • Timing3-3-3
  • Voltage3.3V
  • ECCNo
  • 512 MB capacity expands sampler memory
  • PC133 133 MHz speed matches system bus
  • 168-pin DIMM fits Roland MC-909 slot
  • Unbuffered non-ECC design ensures stable operation
  • 3 V low-voltage operation reduces heat

PC133 DIMM for Roland MC-909

This 512MB SDRAM module uses a 168-pin DIMM form factor and runs at 133 MHz with CL3 timing. It is unbuffered, non-ECC memory built with major-brand chips and operates at 3.3V. The stick is designed specifically for the Roland MC-909 Sampling Groovebox keyboard.

Replaces the factory 256MB limit

The MC-909 ships with a single socket supporting one module, so this 512MB stick doubles the original capacity in one step. The upgrade is worth it when projects exceed the stock memory and the sampler begins to truncate samples or refuse new loads.

Single-slot installation, no spreader

The module fits the sole DIMM slot inside the groovebox and requires no additional cooling or power changes. It frees the internal memory ceiling for larger sample sets while leaving all other expansion bays untouched.

Highlights

  • 512 MB capacity expands sampler memory
  • PC133 133 MHz speed matches system bus
  • 168-pin DIMM fits Roland MC-909 slot
  • Unbuffered non-ECC design ensures stable operation
  • 3 V low-voltage operation reduces heat

Specifications

BrandComputer Memory Solutions
ModelCM3264133DIMM16C
Capacity512MB
SpeedPC 133
CAS LatencyCL3
Timing3-3-3
Voltage3.3V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemRoland Mc-909 Sampling Groovebox Keyboard
Package Content1 Memory RAM Stick

Questions about this item

Will the 168-pin DIMM fit the single memory socket in the Roland MC-909?

Yes, the module is a 168-pin DIMM and the MC-909 has one compatible socket, so it fits directly.

What is the correct way to seat the 168-pin DIMM in the MC-909, and what step do people often miss?

Align the notches on the module with the socket keys, press firmly until both retaining clips click shut; the step often missed is verifying both clips are fully engaged.

How long will this PC133 SDRAM last before it needs replacement in the MC-909?

SDRAM has no moving parts and typically runs for the life of the instrument; replacement is only needed if a fault develops.

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