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Green printed circuit board with black memory chips on both sides and gold edge connectors

Computer Memory Solutions

Computer Memory Solutions CM5126412800DIMM 4GB DDR3 1600MHz CL11 1.5V 240-pin memory upgrade

SKU CH-NWN8-S9A6P

4GB DDR3 1600MHz CL11 1.5V 240-pin DIMM for Gateway Sx2185-Ur39 and Sx2185-F12D desktops

  • Total capacity4 GB
  • Rated speedDDR3 1600 (PC3 12800)
  • ChipsetMajor Brand Chipset
  • CAS latencyCL11
  • Memory timings11-11-11
  • Rated voltage1.5 V
  • 4GB capacity adds responsive multitasking headroom
  • DDR3 1600MHz speed delivers PC3 12800 bandwidth
  • CL11 11-11-11 timing keeps latency low
  • 5V unbuffered DIMM fits standard desktop slots
  • Guaranteed compatible with Gateway SX2185 desktops

System-specific DDR3 upgrade

This 4 GB DDR3 DIMM runs at 1600 MHz with CL11 timing and 1.5 V operation. It is built for the Gateway Desktop Sx2185-Ur39 and Sx2185-F12D systems. The module uses a 240-pin unbuffered layout with a single-rank 1Rx8 configuration. Major-brand chips are used without a heat spreader.

Suits owners of the listed Gateway desktops

Buyers with these exact models can install this stick to reach the platform maximum of 8 GB across two slots. Systems that require ECC, registered modules, or a different pin count cannot use this part. Builders needing more than 4 GB per slot or a multi-stick kit should look elsewhere.

Deciding specification: 240-pin DDR3 at 1600 MHz

The 240-pin DDR3 interface at 1600 MHz (PC3-12800) determines whether the module fits and runs at rated speed. Verify the motherboard accepts non-ECC unbuffered DIMMs before purchase. The CL11 11-11-11 timing is fixed for this module.

How it compares

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

Price $10.99
Cheaper than about 96% of the 21,161 comparable items (median $397.99).
Total capacity 4 GB
Lower than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $2.75 per GB
Cheaper than about 91% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameComputer Memory Solutions
Model nameCM5126412800DIMM
Total capacity4 GB
Product type240-Pin DDR3 SDRAM
Performance
Rated speedDDR3 1600 (PC3 12800)
Processor
ChipsetMajor Brand Chipset
Memory
CAS latencyCL11
Memory timings11-11-11
ECC supportNo
Buffer typeUnbuffered
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.5 V
Compatibility
Compatible systemsGateway Desktop Sx2185-Ur39, Sx2185-F12D
In the box
Included items1 Memory RAM Stick

Questions about this item

How do I install the 240-pin DDR3 DIMM in the Gateway Sx2185-Ur39 and which step is often missed?

Power off the desktop, open the case, align the notch on the 240-pin module with the slot key, press down firmly until both side clips snap shut, then verify the new 4 GB appears in BIOS before closing the case.

What maintenance or replacement will the CM5126412800DIMM need later?

No scheduled maintenance is required; if a fault appears the module is covered by the manufacturer's limited lifetime exchange or repair against manufacturing defects.

What limit appears first when the 1600 MHz CL11 kit runs under sustained load?

The single 4 GB capacity and the system maximum of 8 GB across two sockets will be reached before any thermal or voltage limit on this 1.5 V unbuffered DDR3 module.

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