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Four green DDR2 FB-DIMM sticks with gold contacts

Computer Memory Solutions

Computer Memory Solutions 8GB (4×2GB) DDR2 667MHz ECC Fully Buffered DIMM memory upgrade

SKU CH-1GW8-EJ6CS

Four 2 GB DDR2 fully-buffered ECC DIMMs at 667 MHz for PC2-5300 servers

  • Total capacity8 GB (4 × 2 GB)
  • Rated speedDDR2 667 (PC2 5300)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL5
  • Memory timings5-5-5
  • Rated voltage1.8 V
  • ECC protection guards server data integrity
  • Fully buffered design supports heavy multi-module loads
  • 667 MHz DDR2 speed matches PC2-5300 spec
  • 8 GB kit delivered as four 2 GB modules
  • 8 V operation suits DDR2 server platforms

Server DDR2 ECC Memory Kit

This 8 GB kit consists of four 2 GB DDR2 fully buffered DIMMs rated at 667 MHz with CL5 timings. It is built for servers and workstations that require registered ECC memory in a 240-pin form factor. The modules operate at 1.8 V and use a 2Rx4 organisation. Buyers needing unbuffered desktop DDR2 or higher capacities per module should look elsewhere.

Thermals and Power in Normal Use

Each module runs at the standard 1.8 V DDR2 voltage, keeping power draw modest for fully buffered designs. No heat spreaders are included unless current inventory specifies them, so airflow across the sticks is the primary cooling method. Fan noise will depend entirely on the server chassis and its fan curves. Systems without adequate front-to-back airflow may see higher temperatures under sustained load.

Build Quality and Daily Implications

The 240-pin fully buffered DIMM keying prevents accidental installation in standard desktop slots, ensuring the kit only fits compatible server boards. Four modules must populate the correct channels for full capacity and error-correcting function. The kit is covered by the manufacturer's limited lifetime warranty when purchased directly, and the genuine major-brand chipset supports long-term reliability in 24/7 environments.

How it compares

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

Price $37.99
Cheaper than about 81% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB (4 × 2 GB)
Lower than about 80% 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 nameCM256725300FBDIMM2R4
Total capacity8 GB (4 × 2 GB)
Product type240-Pin DDR2 SDRAM
Performance
Rated speedDDR2 667 (PC2 5300)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL5
Memory timings5-5-5
ECC supportYes
Buffer typeFully Buffered
Memory rank2Rx4
Heat spreaderBased on Current Inventory (If Required Please Contact)
Power
Rated voltage1.8 V
Compatibility
Compatible systemsPc5300 Server
In the box
Included items2 Memory RAM Sticks

Questions about this item

How do I install these 240-pin FB-DIMM modules in a PC5300 server, and which step is most often missed?

Power down the server, open the chassis, align each module's notch with the slot key, press firmly until both ejector clips click, then populate all four channels in the order the service manual specifies — skipping the channel sequence is the step most often missed.

What maintenance or replacement will this 8GB DDR2 ECC kit need later?

DDR2 FB-DIMM modules have no moving parts or batteries; the only later action is replacement if a module fails or if the server is upgraded to a platform that no longer supports DDR2 technology.

What limit appears first when these CL5 1.8V modules run under sustained load?

The DDR2-667 bus speed and CL5 latency set the throughput ceiling; under sustained use the memory controller reaches its maximum bandwidth before thermal or voltage limits become a factor.

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