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Two green DDR2 DIMM sticks with black chips, no heat spreaders

Computer Memory Solutions

Computer Memory Solutions 1GB (2x512MB) DDR2 400MHz PC3200 CL2.5 184-Pin Non-ECC DIMM memory upgrade

SKU CH-4BET-J1RM3

A 1 GB dual-channel DDR400 kit with CL2.5 timing, validated for Dell OptiPlex GX260 desktops

  • Total capacity1 GB (2 × 512 MB)
  • Rated speedDDR 400 (PC 3200)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL2.5
  • Memory timings3-3-3
  • Rated voltage2.5 V
  • Guaranteed Dell OptiPlex GX260 compatibility
  • 1 GB total capacity in two 512 MB modules
  • DDR400 PC3200 speed with CL2.5 latency
  • 184-pin non-ECC unbuffered DIMM format
  • Lifetime warranty from Computer Memory Solutions

Compatible Dell OptiPlex GX260 upgrade

This 1GB kit contains two 512MB 184-Pin DDR2 400MHz DIMMs built to PC3200 CL2.5 timings. Computer Memory Solutions selects major-brand chips and tests every module for the OptiPlex GX260 platform. The non-ECC unbuffered design matches the factory specification for these desktops.

Ideal for restoring original capacity

The kit suits owners who need to replace failed sticks or reach the 2GB maximum supported by the two-slot GX260 motherboard. It is not suitable for systems that require ECC registered modules or later memory generations. Buyers with different Dell models should verify their exact part number before ordering.

184-Pin DDR2 400MHz PC3200 interface

The memory operates at 2.5V with 3-3-3 timing and fits only 184-Pin DDR2 slots running at 400MHz. Confirm that the target machine uses this exact interface and voltage before purchase.

How it compares

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

Price $18.99
Cheaper than about 91% of the 21,161 comparable items (median $397.99).
Total capacity 1 GB (2 × 512 MB)
Lower than about 98% of the 20,941 comparable items (median 32 GB).
Price per GB $18.99 per GB
Pricier than about 65% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM64643200DIMM
Total capacity1 GB (2 × 512 MB)
Product type184-Pin DDR SDRAM
Performance
Rated speedDDR 400 (PC 3200)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL2.5
Memory timings3-3-3
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Power
Rated voltage2.5 V
Compatibility
Compatible systemsDell Optiplex Gx260 Destktops
In the box
Included items2 Memory RAM Sticks

Questions about this item

Does my Dell OptiPlex GX260 need any specific BIOS setting to recognise these 184-Pin DDR400 modules?

The OptiPlex GX260 automatically detects PC3200 DDR2 memory at 2.5V; no manual BIOS configuration is required for the 2 x 512MB kit to be recognised.

Can I keep one existing 512MB stick and add just one of these new modules?

Yes, each 512MB DIMM is unbuffered non-ECC DDR2 400MHz, so it will run in dual-channel alongside an identical-spec stick already in the second socket.

How can I verify both sticks are running at CL2.5 3-3-3 timings after installation?

Open CPU-Z or the BIOS memory screen; it should show 400MHz DRAM frequency with CAS 2.5 and 3-3-3-8 timings for the 1GB kit.

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