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Green 240-pin DDR3L ECC RDIMM module with black chips

A-Tech

A-Tech 8GB DDR3L 1066MHz PC3L-8500 ECC RDIMM 4Rx8 1.35V 240-Pin Server RAM

SKU CH-QEBH-8FMDN

An 8 GB DDR3L registered ECC module running at 1066 MHz with 1.35 V low-voltage operation for compatible Dell servers

  • Total capacity8 GB
  • Rated speedDDR3L 1066 (PC3L 8500)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL7
  • Rated voltage1.35 V
  • Buffer typeRegistered
  • 8GB capacity supports larger server workloads
  • DDR3L 1066MHz speed matches PC3L-8500 spec
  • ECC registered design protects data integrity
  • 35V low voltage reduces power draw
  • 240-pin DIMM fits compatible Dell servers

Server ECC RDIMM

This A-Tech 8GB DDR3L 1066MHz PC3L-8500 ECC RDIMM 4Rx8 1.35V 240-Pin module is built for servers and workstations that require registered error-correcting memory. It replaces Dell part numbers A5323356, A5323368, A5686063 and SNPFDN6DC/8G in compatible systems. Buyers needing unbuffered UDIMM or non-ECC memory cannot use this module.

Low voltage thermals

Operating at 1.35V, the DDR3L design draws less power and generates less heat than standard 1.5V DDR3 at the same 1066MHz speed. Lower thermal output helps maintain stable temperatures in densely populated DIMM slots. The registered buffer reduces electrical load on the memory controller, contributing to quieter operation under sustained workloads. Systems without DDR3L support will not benefit from the reduced voltage.

240-pin registered build

The 240-pin DIMM form factor fits DDR3 RDIMM slots keyed for registered modules; it will not seat in UDIMM-only boards. Major-brand chips and 4Rx8 organisation provide the density needed for multi-socket configurations. ECC circuitry corrects single-bit errors to protect data integrity in critical applications. Verify your platform supports DDR3L 1066MHz registered ECC before purchase, as consumer desktop boards typically lack this capability.

How it compares

Measured against everything we stock in ECC Server RAM, at today’s prices. Recalculated every night.

Price $28.99
Cheaper than about 91% of the 6,523 comparable items (median $188.99).
Total capacity 8 GB
Lower than about 80% of the 6,064 comparable items (median 32 GB).
Price per GB $3.62 per GB
Cheaper than about 84% of the 6,064 comparable items (median $7.25 per GB).

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Specifications

Product
Brand nameA-Tech
Total capacity8 GB
Performance
Rated speedDDR3L 1066 (PC3L 8500)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL7
ECC supportYes
Buffer typeRegistered
Memory rank4Rx8
Power
Rated voltage1.35 V

Questions about this item

How do I install this 240-pin DDR3L RDIMM and which step is often missed?

Power down the server, open the chassis, align the notch on the 240-pin module with the slot key, press firmly until both retention clips click, then enter the BIOS to confirm the 1066 MHz speed and 1.35 V voltage are recognised.

What maintenance or replacement will this ECC registered module need over time?

No routine maintenance is required; the module either continues operating or develops correctable ECC errors that the system logs, at which point the 8 GB stick should be replaced.

What limit appears first when this 4Rx8 registered DIMM runs sustained workloads?

The four-rank organisation places a heavier electrical load on the memory controller, so the maximum supported DIMM count per channel is often reached before bandwidth or thermal limits become an issue.

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