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Three green DDR3 DIMM sticks, no heat spreaders, gold contacts, black chips

Computer Memory Solutions

Computer Memory Solutions 12GB (3x4GB) DDR3 1333MHz ECC Registered DIMM for Dell Precision T7500

SKU CH-RMYR-YK9X5

A 12GB triple-channel DDR3 ECC registered kit validated for the Dell Precision T7500 workstation

  • Capacity12GB (3 x 4GB)
  • Type240-Pin DDR3 SDRAM
  • SpeedDDR3 1333 (PC3 10600)
  • CAS LatencyCL9
  • Timing9-9-9
  • Voltage1.5V
  • 12GB triple-channel kit for Dell Precision T7500
  • ECC registered DDR3-1333 with CL9 timing
  • 5V 2Rx4 modules using major-brand chipsets
  • Three matched 4GB DIMMs in 240-pin form factor
  • New CMS memory backed by manufacturer lifetime warranty

12GB DDR3 ECC Registered Kit

This 12GB kit contains three 4GB DDR3 1333MHz ECC registered DIMMs built for the Dell Precision T7500 workstation. It uses 240-pin modules with CL9 timing and 1.5V operation. The registered design adds a buffer for signal integrity in multi-module configurations. Buyers needing non-ECC or unbuffered memory for consumer platforms cannot use this kit.

Sustained Load Behaviour

The modules run at 1333MHz only when one DIMM occupies each channel with a Xeon X5550 or higher processor installed. Adding more modules per channel reduces the operating speed to 1066MHz or 800MHz depending on the processor model. Xeon E5520 or higher supports 1066MHz, while Xeon E5506 or lower limits the system to 800MHz. Mixed x4 and x8 DRAM versions must not share a memory bank.

Triple Channel Limits

Triple channel mode requires matched modules installed in the correct bank layout across the six sockets on the primary system board. An optional second processor riser card expands capacity to twelve sockets and a 192GB maximum. DDR3-1333 modules automatically clock down to 1066MHz or 800MHz when the configuration or processor does not support the higher speed.

Highlights

  • 12GB triple-channel kit for Dell Precision T7500
  • ECC registered DDR3-1333 with CL9 timing
  • 5V 2Rx4 modules using major-brand chipsets
  • Three matched 4GB DIMMs in 240-pin form factor
  • New CMS memory backed by manufacturer lifetime warranty

Specifications

BrandComputer Memory Solutions
ModelCM5127210600ECCR2R4H
Capacity12GB (3 x 4GB)
Type240-Pin DDR3 SDRAM
SpeedDDR3 1333 (PC3 10600)
CAS LatencyCL9
Timing9-9-9
Voltage1.5V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
ChipsetMajor Brand Chipset
Heat SpreaderNo
Compatible SystemDell Precision Workstation T7500
Package Content3 Memory RAM Sticks

Questions about this item

How much power does the 1.5V DDR3 1333MHz ECC registered kit draw when the Precision T7500 runs all day?

Each module operates at 1.5V. Total power depends on how many of the 6 to 12 sockets are populated and the Xeon model installed.

Which Xeon processor must already be installed for the 1333MHz speed to be active?

The system needs a Xeon X5550 or higher; X5520 or E5520 run at 1066MHz, and E5506 or lower drop to 800MHz.

Will these 2Rx4 CL9 modules work in triple-channel mode alongside existing 3138 x8 DIMMs in the same bank?

No — x4 and x8 versions must not share a bank; use matching modules per bank for dual- or triple-channel operation.

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