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Green circuit board with black memory chips, 240-pin DIMM, no heat spreader

A-Tech

A-Tech 4GB DDR3 1066MHz PC3-8500 DIMM Desktop Memory

SKU CH-ZHD6-JR0W4

A 4GB DDR3 1066MHz desktop DIMM module operating at 1.5V with CL3 latency and 240-pin form factor

  • Total capacity4 GB
  • Rated speedDDR3 1066 (PC3 8500)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL3
  • Tested speed1066
  • Rated voltage1.5 V
  • 4GB DDR3 module expands desktop memory capacity
  • 1066 MHz tested frequency delivers responsive system performance
  • CL3 CAS latency reduces memory access delays
  • 5V standard voltage ensures broad motherboard compatibility
  • 240-pin DIMM form factor fits standard desktop slots

4GB DDR3 1066MHz Desktop Module

This A-Tech 4GB DDR3 1066MHz PC3-8500 DIMM is built as a direct replacement for the G.Skill F3-8500CL7Q-16GBRL kit. It uses a 240-pin unbuffered non-ECC design running at the standard 1.5V DDR3 voltage. The module is tested at 1066MHz with a CAS latency of CL3.

Suits older DDR3 desktops needing a single 4GB stick

It suits owners of legacy desktop boards that accept PC3-8500 unbuffered DIMMs and want a straightforward capacity increase. Builders needing ECC, registered buffers, lower voltage, or higher frequencies should look at other modules that match those specific requirements.

240-pin DDR3 DIMM form factor

The decisive specification is the 240-pin DDR3 DIMM form factor combined with 1.5V unbuffered non-ECC operation. Your motherboard must support this exact physical interface and electrical standard; otherwise the module will not fit or function correctly.

How it compares

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

Price $13.99
Cheaper than about 93% of the 3,647 comparable items (median $90.99).
Total capacity 4 GB
Lower than about 80% of the 3,251 comparable items (median 16 GB).
Price per GB $3.50 per GB
Cheaper than about 88% of the 3,251 comparable items (median $6.75 per GB).

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Specifications

Product
Brand nameA-Tech
Product lineCompatible Replacement for G.Skill
Model nameF3-8500CL7Q-16GBRL
Total capacity4 GB
Performance
Rated speedDDR3 1066 (PC3 8500)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL3
Tested speed1066
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Recommended forCompatible Replacement for G.Skill F3-8500CL7Q-16GBRL

Questions about this item

Will this 4 GB DDR3 module fit a standard desktop DIMM slot?

Yes — it is a 240-pin unbuffered DIMM built to the PC3-8500 (DDR3 1066) standard, so it installs in any desktop motherboard that accepts DDR3 memory.

Can I mix this stick with my existing DDR3 RAM running at a different speed?

The module is tested at 1066 MHz with CL3 latency at 1.50 V; the system will simply run all sticks at the speed of the slowest module, so mixing is possible but overall performance will drop to 1066 MHz.

Does this replacement require any BIOS changes or voltage adjustments?

No — it operates at the standard DDR3 voltage of 1.50 V and uses the common 1066 MHz JEDEC profile, so most desktop boards will recognise and configure it automatically.

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