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Two green DDR2 DIMM sticks with black chips

Computer Memory Solutions

Computer Memory Solutions 4GB (2x2GB) DDR2 800MHz CL6 Dell OptiPlex 760 A90

SKU CH-QSPP-F7JZ6

A 4 GB dual-channel DDR2 kit (2 × 2 GB, 800 MHz, CL6) validated for Dell OptiPlex 760 systems

  • Total capacity4 GB (2 × 2 GB)
  • Rated speedDDR2 800 (PC2 6400)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL6
  • Memory timings6-6-6
  • Rated voltage1.8 V
  • 4GB kit upgrades Dell OptiPlex 760 systems
  • DDR2 800MHz CL6 timing matches factory specs
  • 2x2GB unbuffered DIMMs install in 240-pin slots
  • Non-ECC 1.8V modules run at standard voltage
  • Major-brand chips backed by CMS lifetime warranty

Dell OptiPlex 760 System Memory

This 4GB kit contains two 2GB DDR2 800MHz modules built for Dell OptiPlex 760 DT, MT and SFF desktops. The unbuffered, non-ECC DIMMs run at 1.8V with CL6 timing. They are designed as a direct memory upgrade for those specific systems.

Two-Module Kit for Dual-Channel Use

The pair of sticks allows dual-channel operation when installed in matched slots on the OptiPlex 760 motherboard. Using both modules together provides the full 4GB capacity and can improve memory bandwidth compared to a single stick. The kit simplifies the upgrade by supplying matched parts.

Check Slot Count and Maximum Capacity

Before ordering, verify whether your OptiPlex 760 chassis has two or four memory sockets and confirm the system maximum of either 4GB or 8GB. The DT, MT and SFF variants differ in slot count and supported total memory. Ensure the kit matches your specific configuration.

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 4 GB (2 × 2 GB)
Lower than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $4.75 per GB
Cheaper than about 80% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM256646400DIMMDR
Total capacity4 GB (2 × 2 GB)
Product type240-Pin DDR2 SDRAM
Performance
Rated speedDDR2 800 (PC2 6400)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL6
Memory timings6-6-6
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.8 V
Compatibility
Compatible systemsDell Optiplex 760 Dt / Mt / Sff
In the box
Included items2 Memory RAM Sticks

Questions about this item

Will the 2Rx8 DDR2 modules need any firmware updates or periodic reseating to maintain stability in the OptiPlex 760?

No firmware is required for these unbuffered DDR2 DIMMs; they are a simple plug-in upgrade. Reseating is only necessary if the system is moved or the chassis is opened for other service.

What is the first bottleneck you hit when all four 240-pin slots are populated with 800 MHz CL6 memory on this platform?

The Dell OptiPlex 760 chipset caps total memory at 8 GB. Once the four slots hold 2 GB modules, the capacity ceiling is reached before any bandwidth or latency limit appears.

How much heat and power do the 1.8 V DDR2 sticks add when the workstation runs all day under load?

Each 2 GB module draws modest power at 1.8 V and has no heat spreader, so the pair adds only a small thermal load that the OptiPlex 760 stock cooler handles without extra fan noise.

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