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Green rectangular DDR3 DIMM with gold contacts and black chips, no heat spreader

A-Tech

A-Tech 4GB DDR3 1333MHz CL9 1.5V desktop RAM

SKU CH-YP0W-NBJN2

4GB DDR3 1333MHz CL9 1.5V desktop DIMM module compatible with G.Skill F3-10666CL7D-8GBRH and related kits

  • Total capacity4 GB
  • Rated speedDDR3 1333 (PC3 10600)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL9
  • Tested speed1333
  • Rated voltage1.5 V
  • Adds 4 GB of system memory for smoother multitasking
  • Runs at DDR3 1333 MHz with CL9 latency for responsive operation
  • Standard 1.5 V DDR3 voltage ensures broad desktop compatibility
  • 240-pin unbuffered DIMM fits typical desktop memory slots
  • Tested replacement for G.Skill F3-10666 series modules for drop-in upgrades

4GB DDR3 1333MHz Desktop Module

This 4GB DDR3 module runs at 1333MHz with CL9 latency and 1.5V operation. It is an unbuffered, non-ECC DIMM built for standard desktop systems. The stick uses major-brand chips and carries no heat spreader. It serves as a direct replacement for several G.Skill part numbers.

Thermals and Power at Standard Load

Operating at the standard 1.5V DDR3 voltage keeps power draw low and heat output minimal. Without a heat spreader the module relies on normal case airflow, which is sufficient at this frequency. The CL9 timing at 1333MHz does not push voltage or temperature beyond typical desktop limits.

Upgrade Path from Slower DDR3 Kits

This module replaces G.Skill kits such as F3-10666CL7D-8GBRH, F3-10666CL7D-8GBXH, F3-10666CL7Q-16GBXH, F3-10666CL9D-8GBRL and F3-10666CL9D-8GBSR. The jump is worthwhile when a system needs a single 4GB stick to fill a free slot or to match existing 1333MHz CL9 memory.

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 nameF3-10666CL7D-8GBRH, F3-10666CL7D-8GBXH, F3-10666CL7Q-16GBXH, F3-10666CL9D-8GBRL, F3-10666CL9D-8GBSR
Total capacity4 GB
Performance
Rated speedDDR3 1333 (PC3 10600)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL9
Tested speed1333
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Recommended forCompatible Replacement for G.Skill F3-10666CL7D-8GBRH, F3-10666CL7D-8GBXH, F3-10666CL7Q-16GBXH, F3-10666CL9D-8GBRL, F3-10666CL9D-8GBSR

Questions about this item

How do I install the 240-pin DDR3 DIMM and what step is often missed?

Align the notch on the module with the key in the motherboard slot, press down firmly until both side clips snap shut, then verify the system detects the full 4GB at 1333MHz in BIOS.

What maintenance or replacement will this unbuffered 1.5V module need later?

No scheduled maintenance is required; if errors appear, reseat the DIMM or test with a memory diagnostic tool, and replace the stick only if faults persist.

What limit appears first when the CL9 1333MHz kit runs sustained workloads?

The DDR3 1333MHz bandwidth ceiling and CL9 latency become the bottleneck before the 1.5V unbuffered chips hit thermal limits.

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