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Green circuit board with black memory chips and gold edge connector

Patriot Memory

Patriot Memory PSD21G5332 1GB DDR2 533 desktop RAM

SKU CH-FMZT-8YVP6 MPN PSD21G5332

Adds 1 GB of DDR2 533 memory at CL4 latency and 1.80 V for older desktop systems

  • Total capacity1 GB
  • Rated speedDDR2 533 (PC2 4200)
  • CAS latencyCL4
  • Rated voltage1.8 V
  • 1GB capacity for basic desktop tasks
  • DDR2 533 speed matches older system requirements
  • CL4 latency supports stable operation
  • 80V voltage aligns with DDR2 standard
  • Signature series built for reliable everyday use

1GB DDR2 533 desktop module

This Patriot Signature stick delivers 1GB of DDR2 533 memory rated at PC2 4200 with CL4 latency and 1.80V operation. It has no heat spreader and fits standard desktop DIMM slots. The module suits repairs or upgrades on legacy systems that require this exact specification.

Suits owners of older DDR2 platforms needing

It will not serve builders who need more than 1GB per slot, lower latency than CL4, or memory that runs at a different DDR2 speed. Systems that require ECC, registered modules, or a heat spreader should consider other options.

Capacity fixed at 1GB per module

The single specification that decides fit is the 1GB density combined with DDR2 533 (PC2 4200) timing. If the board or chipset calls for a different density, speed, or voltage, this stick will not work.

How it compares

Measured against everything we stock in Desktop RAM, at today’s prices. Recalculated every night.

Price $36.99
Cheaper than about 74% of the 3,647 comparable items (median $90.99).
Total capacity 1 GB
Lower than about 98% of the 3,251 comparable items (median 16 GB).
Price per GB $36.99 per GB
Pricier than about 90% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand namePatriot
Product lineSignature
Model namePSD21G5332
Total capacity1 GB
Performance
Rated speedDDR2 533 (PC2 4200)
Memory
CAS latencyCL4
Heat spreaderNo
Power
Rated voltage1.8 V
Size & build
Shipping weight0.13 kg
Package size152 × 76 × 25 mm

Questions about this item

Will this 1GB DDR2 533 module fit a motherboard that has an empty 184-pin DIMM slot?

Yes, the PSD21G5332 is a standard 184-pin DDR2 DIMM, so it installs in any desktop board with a free DDR2 slot.

If my board currently runs DDR2 533 at CL4, will this stick match those timings automatically?

The module is rated CL4 at 533 MT/s; most boards will apply those timings by default when it is the only stick or when paired with identical CL4 modules.

How can I confirm the RAM is running at 533 MT/s with CL4 latency after installation?

Check the memory tab in CPU-Z or the BIOS memory information screen; both will show the current data rate and active CAS latency.

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