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Two green DDR1 DIMM sticks with black chips, no heat spreader

Computer Memory Solutions

Computer Memory Solutions 2GB (2×1GB) DDR1 400MHz CL3 184-Pin DIMM for Dell OptiPlex GX260

SKU CH-4P63-R6NDD

A 2 GB dual-channel DDR1 kit rated at 400 MHz with CL3 timing for Dell OptiPlex GX260 desktops

  • Total capacity2 GB (2 × 1 GB)
  • Rated speedDDR 400 (PC 3200)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL3
  • Memory timings3-3-3
  • Rated voltage2.6 V
  • 2GB kit doubles capacity for OptiPlex GX260
  • 400 MHz DDR400 speed matches system bus
  • CL3 latency supports stable operation
  • 184-pin unbuffered DIMM fits desktop slots
  • CMS lifetime warranty backs long-term reliability

Dell OptiPlex GX260 memory kit

This 2 GB kit contains two 1 GB unbuffered DIMMs built for Dell OptiPlex GX260 desktops. It uses 184-pin DDR1 modules running at DDR400 speed with CL3 timing. The kit is designed for systems that accept non-ECC memory in a two-slot configuration.

DDR400 CL3 2.6 V specification

Each module operates at 400 MHz (PC3200) with a CAS latency of 3-3-3 at 2.6 V. The 2Rx8 organisation and non-ECC design match the original Dell specification. This timing and voltage combination is the single factor that determines whether the kit will POST correctly in the target machine.

Simple two-slot installation

Power off the workstation, open the chassis and insert both sticks into the two available DIMM sockets until the retention clips click. The most common issue is mixing these modules with faster or lower-voltage DDR1 DIMMs, which prevents the system from booting. Using the matched pair avoids that mismatch.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $19.99
Cheaper than about 91% of the 21,161 comparable items (median $397.99).
Total capacity 2 GB (2 × 1 GB)
Lower than about 95% of the 20,941 comparable items (median 32 GB).
Price per GB $10.00 per GB
Typical for this category: the median of 20,941 items is $8.19 per GB.

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM128643200DIMM
Total capacity2 GB (2 × 1 GB)
Product type184-Pin DDR SDRAM
Performance
Rated speedDDR 400 (PC 3200)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL3
Memory timings3-3-3
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage2.6 V
Compatibility
Compatible systemsDell Optiplex Gx260 desktops
In the box
Included items2 Memory RAM Sticks

Questions about this item

What does the 400 MHz DDR400 rating actually deliver inside a Dell OptiPlex GX260?

The modules run at the system's native DDR400 speed, providing the full PC3200 bandwidth the GX260's memory controller supports.

How does the 184-pin DDR1 DIMM interface limit performance in this machine?

The 184-pin DDR1 slot caps throughput at PC3200 rates, so the memory cannot exceed the 3200 MB/s ceiling of the GX260's front-side bus.

Will these two 1 GB sticks fit the GX260's two DIMM sockets without clearance issues?

Yes, the standard-height 184-pin DIMMs match the GX260's two sockets exactly, filling the board's 2 GB maximum with no heat-spreader interference.

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