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Two green DDR2 DIMMs with gold contacts and silver heat spreaders

Kingston Technology Corp.

Kingston Technology Corp. KTM2759K2/8G 8GB (2 x 4GB) DDR2 667 ECC Registered memory upgrade

SKU CH-T28Y-78JEB MPN KTM2759K2/8G

ECC registered DDR2 667 memory kit adds 8 GB across two 4 GB modules for compatible IBM systems

  • Total capacity8 GB (2 × 4 GB)
  • Rated speedDDR2 667 (PC2 5300)
  • CAS latencyCL5
  • Rated voltage1.8 V
  • Buffer typeRegistered
  • Product type240-Pin DDR2 SDRAM
  • 8GB kit expands system memory capacity
  • DDR2 667 speed supports compatible IBM platforms
  • ECC registered design protects data integrity
  • CL5 latency at 1.80V enables stable operation
  • 240-pin DDR2 modules install in matched pairs

8 GB DDR2 667 ECC Registered kit

This 8 GB kit contains two 4 GB modules built to the DDR2 667 (PC2 5300) standard. It targets administrators maintaining IBM systems that require registered ECC memory. The modules operate at 1.80 V with a CAS latency of CL5.

Capacity and headroom for legacy workloads

Eight gigabytes provides sufficient space for typical server operating systems and moderate database tasks on supported platforms. Workloads that exceed this limit will encounter swapping or allocation failures because the kit cannot be expanded beyond the supplied modules.

Thermals noise and power draw in normal use

Registered DDR2 modules run at the standard 1.80 V, producing modest heat that is handled by ordinary server airflow. No active cooling is included, so the system chassis fans must maintain adequate circulation. Acoustic output is negligible compared with other server components.

How it compares

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

Price $227.99
Cheaper than about 57% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB (2 × 4 GB)
Lower than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $28.50 per GB
Pricier than about 80% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameKingston
Model nameKTM2759K2/8G
Total capacity8 GB (2 × 4 GB)
Product type240-Pin DDR2 SDRAM
Performance
Rated speedDDR2 667 (PC2 5300)
Memory
CAS latencyCL5
ECC supportYes
Buffer typeRegistered
Power
Rated voltage1.8 V
Size & build
Shipping weight0.07 kg
Package size171 × 95 × 14 mm
Compatibility
Compatible systemsIBM

Questions about this item

Will these DDR2 667 registered modules work in my older DDR2 system that currently uses unbuffered memory?

No. Registered modules require a motherboard designed for registered memory; they cannot be mixed with unbuffered modules and will not function in a standard desktop board.

How can I verify the kit is running at the correct 667 MHz speed and CL5 latency after installation?

Enter the system BIOS or use a utility such as CPU-Z; the memory tab should show DDR2 667 (PC2 5300) with a CAS latency of 5.

What exactly ships in the box and is anything else required to use the 8 GB kit?

The package contains two 4 GB 240-pin DDR2 SDRAM modules; no additional parts are needed if your IBM system supports registered ECC DDR2 667 memory.

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