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Green 168-pin DIMM stick, black memory chips, gold contacts

Computer Memory Solutions

Computer Memory Solutions 256MB PC133 DIMM memory upgrade

SKU CH-DFSC-FE6SW

Adds 256 MB of PC133 SDRAM to compatible HP LaserJet 4600 printers using a 168-pin unbuffered DIMM

  • Capacity256MB
  • SpeedPC 133
  • CAS LatencyCL3
  • Timing3-3-3
  • Voltage3.3V
  • ECCNo
  • 256 MB capacity expands printer memory for larger print jobs
  • PC133 133 MHz speed matches HP LaserJet 4600 series requirements
  • 168-pin DIMM form factor fits the designated memory slot
  • Non-ECC unbuffered design ensures correct operation in compatible printers
  • Major-brand chipset with lifetime warranty from CMS provides long-term reliability

256MB PC133 DIMM for HP LaserJet 4600

This 256MB PC133 SDRAM DIMM upgrades HP LaserJet 4600 series printers including the 4600, 4600Dn, 4600Dtn, 4600Hdn and 4600N. It uses a 168-pin unbuffered design with CL3 timing at 3.3V. The module is built with major-brand chips and carries a limited lifetime warranty from Computer Memory Solutions.

PC133 SDRAM speed and timing limits

The memory runs at 133 MHz with a 3-3-3 CAS latency cycle. PC133 bandwidth caps data throughput for these printers, so complex graphics or heavy print queues will not move faster than the bus allows. Non-ECC operation means single-bit errors are not corrected automatically during long print jobs.

168-pin DIMM build and daily handling

The stick has no heat spreader, so it relies on the printer’s internal airflow. Gold-edge contacts on the 168-pin connector resist oxidation in office environments. Installation is a single-module drop-in; the unbuffered layout keeps the signal path direct for the printer’s memory controller.

Highlights

  • 256 MB capacity expands printer memory for larger print jobs
  • PC133 133 MHz speed matches HP LaserJet 4600 series requirements
  • 168-pin DIMM form factor fits the designated memory slot
  • Non-ECC unbuffered design ensures correct operation in compatible printers
  • Major-brand chipset with lifetime warranty from CMS provides long-term reliability

Specifications

BrandComputer Memory Solutions
Modelcm3264133dimm
Capacity256MB
SpeedPC 133
CAS LatencyCL3
Timing3-3-3
Voltage3.3V
ECCNo
Buffered/RegisteredUnbuffered
Rank2Rx8
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemHp Laserjet 4600, 4600Dn, 4600Dtn, 4600Hdn, 4600N
Package Content1 Memory RAM Stick

Questions about this item

Should I pick the 256MB stick or a larger kit for my HP LaserJet 4600?

This single 256MB DIMM matches the printer's supported module size; add one stick per available slot up to the machine's maximum.

Will PC133 133MHz memory actually run at that speed in the LaserJet 4600?

The module is rated 133MHz CL3; the printer's memory controller will operate it at its supported bus speed, which cannot exceed the rated 133MHz.

Does the 168-pin DIMM interface limit bandwidth compared to newer standards?

The 168-pin SDRAM DIMM provides a 64-bit data path at up to 133MHz, delivering the peak throughput the LaserJet 4600 architecture can use.

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