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Two green 240-pin DDR3 DIMM sticks in anti-static bag

Computer Memory Solutions

Computer Memory Solutions CM2566410600DIMM 4GB (2x2GB) DDR3 1333MHz CL9 memory upgrade

SKU CH-RT8Q-W99AN

Dual-channel 4 GB DDR3 kit running at 1333 MHz CL9 for Acer Aspire X3 desktops

  • Total capacity4 GB (2 × 2 GB)
  • Rated speedDDR3 1333 (PC3 10600)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL9
  • Memory timings9-9-9
  • Rated voltage1.5 V
  • 4GB dual-channel kit upgrades compatible Acer Aspire X3 desktops
  • 1333 MHz DDR3 speed matches PC3-10600 system specification
  • CL9 9-9-9 timing delivers responsive memory performance
  • 240-pin unbuffered non-ECC DIMMs install in standard desktop slots
  • 5 V operation with major-brand chips ensures stable reliability

Acer Aspire X3 Compatible Kit

This 4 GB DDR3 kit contains two 2 GB unbuffered DIMMs built for Acer Aspire X3 AX3950-UR30P and AX3950-UR31P desktops. The modules run at 1333 MHz with CL9 timing and 1.5 V operation. Computer Memory Solutions validates compatibility for these specific systems.

Dual Channel Installation Flexibility

Two 240-pin sticks populate two of the four available sockets, leaving room for future expansion up to the 8 GB system maximum. Non-ECC 2Rx8 organisation works with the existing memory controller without requiring registered or buffered modules. No heat spreaders are fitted, so clearance inside compact chassis is unaffected.

Standard Voltage Low Profile Operation

Rated at 1.5 V, the kit draws typical DDR3 power without elevated voltage profiles. Absence of heat spreaders relies on case airflow for cooling, which is sufficient at stock JEDEC speeds. Unbuffered design adds negligible latency overhead for everyday desktop workloads.

How it compares

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

Price $19.99
Cheaper than about 91% of the 21,161 comparable items (median $397.99).
Total capacity 4 GB (2 × 2 GB)
Lower than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $5.00 per GB
Cheaper than about 77% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM2566410600DIMM
Total capacity4 GB (2 × 2 GB)
Product type240-Pin DDR3 SDRAM
Performance
Rated speedDDR3 1333 (PC3 10600)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL9
Memory timings9-9-9
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsAcer Aspire X3 Ax3950-Ur30P, Ax3950-Ur31P Desktops
In the box
Included items2 Memory RAM Sticks

Questions about this item

Will the 1.5 V DDR3 modules hit a thermal limit during sustained loads?

Standard DDR3 at 1.5 V runs within JEDEC thermal limits for desktop DIMMs; the kit has no heat spreader, so case airflow is the main cooling path.

How much noise or extra heat will the 2Rx8 unbuffered DIMMs add in an Acer Aspire X3 running all day?

Memory modules are silent and add only a few watts; the 1.5 V CL9 parts stay cool enough that the system fan profile does not change.

Does the Acer Aspire X3 AX3950-UR30P or AX3950-UR31P need a BIOS update before installing this 240-pin PC3-10600 kit?

The desktops ship with four DIMM slots supporting up to 8 GB; the 2 x 2 GB kit matches the standard 4 GB configuration and works without a BIOS change.

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