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Green PCB desktop DIMM with black memory chips on both sides, 184 gold pins, no heat spreader

Patriot Memory

Patriot Memory PSD1G400 1GB DDR 400 desktop RAM

SKU CH-40B3-04CX2 MPN PSD1G400

1GB DDR 400 desktop module with CL3 timing and 2.60V operation for older PC3200 systems

  • Capacity1GB
  • SpeedDDR 400 (PC 3200)
  • CAS LatencyCL3
  • Timing3-3-3
  • Voltage2.60V
  • ECCNo
  • Faster system response from DDR 400 speed
  • Quicker data access with CL3 latency
  • Stable operation at 2.60V standard voltage
  • Reliable compatibility via 184-pin unbuffered design
  • Quality assured through 100% factory testing

1GB DDR 400 Desktop Module

This Patriot Memory module provides 1GB of unbuffered DDR 400 (PC 3200) memory for desktop systems. It runs at CL3 latency with 3-3-3 timings and a 2.60V operating voltage. The 184-pin DIMM uses a double-sided, two-rank design and includes Serial Presence-Detect for automatic configuration.

Suitable for legacy DDR platforms needing 1GB CL3

Builders repairing or upgrading older desktops that require DDR 400 memory with 3-3-3 timings will find this module a direct fit. Systems that demand ECC, registered buffering, lower voltage, or higher density than 1GB per slot should select a different part.

184-pin DDR 400 (PC 3200) interface

The module conforms to the 184-pin DDR SDRAM form factor and the JEDEC PC 3200 standard. Motherboards must accept 184-pin unbuffered DDR 400 DIMMs at 2.60V; modules with a different pin count, voltage, or speed grade will not function in the same slots.

Puntos fuertes

  • Faster system response from DDR 400 speed
  • Quicker data access with CL3 latency
  • Stable operation at 2.60V standard voltage
  • Reliable compatibility via 184-pin unbuffered design
  • Quality assured through 100% factory testing

Especificaciones

BrandPatriot
ModelPSD1G400
Capacity1GB
SpeedDDR 400 (PC 3200)
CAS LatencyCL3
Timing3-3-3
Voltage2.60V
ECCNo
Buffered/RegisteredUnbuffered
ColorN/A
Heat SpreaderNo
Features2 Rank Double-sided module
7.8US Refresh Interval (8192 CYCLES/64MS)
Auto and self refresh capability
PCB height: 1160 (mil)
Serial Presence-Detect (SPD)
100% Tested
Peso de envío0.02 kg
Dimensiones del paquete171 × 54 × 16 mm

Preguntas sobre este artículo

Will this module fit my older desktop motherboard?

It uses the standard 184-pin DIMM form factor and runs at 2.60V, matching the physical slot and voltage of DDR 400 (PC 3200) desktop boards.

What do the CL3 and 3-3-3 timing figures mean for daily use?

CAS Latency 3 and 3-3-3 timings indicate the delay cycles for data access; lower values reduce wait states, so applications and games load faster on compatible systems.

Is this a single-sided or double-sided stick, and does it matter?

The module is a 2-rank double-sided design with 8192 refresh cycles per 64 ms; most DDR 400 boards accept both ranks, but check your manual for maximum rank limits.

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